Providing a Ring Main System in Chennai City (GCC limit) including Operation and Maintenance for 10 years

Bill No 1:-Supply and Laying of feeder main pipe with its allied works

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 813mm OD to 2032mm OD having 7.1mm to 16mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

813 mm x 7.1 mm thick MS pipe

1016 mm x8.80 mm thick MS Pipe

1829 mm x 14.20 mm thick MS Pipe

2032 mm x 16 mm thick MS Pipe

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or GGG 50 as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095 and with 5 years warranty

DI Disk Check Valve (Non Return Valve)- Manufacture, supply and delivery of DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or GGG-50, medium free (dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/ liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/ IS and with 5 years warranty

Supply and Delivery of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013

Specials along Feedermain Alignment

1800 mm x 22.50 Deg Bend

1800 mm x 90 Deg Bend

2000 mm x 45 Deg Bend

2000 mm x 90 Deg Bend

800 mm dia MS Dismantling joints

1000 mm dia MS Dismantling joints

1800 mm dia MS Dismantling joints

2000 mm dia MS Dismantling joints

Specials for fixing Butterfly Valve /NRV/Dismantling Joints

800 mm x 0.15 m MS Flanged Spigot Tail piece

1000 mm x 0.15 m MS Flanged Spigot Tail piece

1800 mm x 0.15 m MS Flanged Spigot Tail piece

2000 mm x 0.15 m MS Flanged Spigot Tail piece

Specials for fixing Air Valves

1200 mm x 200 mm Br flange MS Air Valve TEE

1800 mm x 200 mm Br flange MS Air Valve TEE

2000 mm x 200 mm Br flange MS Air Valve TEE

Unloading MS Pipes in to stock yard, Loading from stock yard, conveying and unloading at site (maximum of 8Km radius)

Labour for cutting asphalitc concrete road

Nom Bus Route

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

First Dpeth 2.0m

Second Depth 2.0 m to 3.0m

Third Depth 3.0 m to 4.0 m

Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting

First Depth 2.0m

Second Depth 2.0 m to 3.0m

Third Depth 3.0 m to 4.0 m

Cutting of MS Pipes true to axis

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

813 mm x 7.1 mm thick MS pipe

1016 mm x8.80 mm thick MS Pipe

1829 mm x 14.20 mm thick MS Pipe

2032 mm x 16 mm thick MS Pipe

Jointing of MS pipes and specials by welding including gas cutting (either square cut or V cut),pipes,plates,pre and post weld corrosion portection of all joints to be welded(both external and internal) 3 runs on either side etc., of required thickness,etc., complete and as directed by by the Departmental Engineer.

1829 mm x 14.20 mm thick MS Pipe

2032 mm x 16 mm thick MS Pipe

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

Testing the welded joints by carrying out Ultrosonic test @ 2.5 % of joints test for MS pipe welding including cost of test and necessary arrangements for testing at site and as directed by Departmental officers.

Testing of pipes for water supply with hydraulictesting equipment by filling with water (includingcost of water) and testing to recommendedpressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including otherincidential and operational charges etc.,complete for the following diametres of pipes.

813 mm x 7.1 mm thick MS pipe

1016 mm x8.80 mm thick MS Pipe

1829 mm x 14.20 mm thick MS Pipe

2032 mm x 16 mm thick MS Pipe

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.,(iii) 0-5mts., (iv) 0-6mts.,(v) 0-7mts. and (vi) 0-8mts.

0-3 Meter

0-4 Meter

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Granular Bedding Supplying and filling in layer Quarry rubbish not more than 15cm thick well rammed, watered and compacted etc., complete complying with standard specification.

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

Constructing RCC chamber of inside dimensions as mentioned below with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including refilling the sides of foundation, foundation ccomplete as per standard design and as shown in the drawings.

Chamber for 2000 mm Dia NRV Inner Size-4 m x 3.1 m x 3.30 m

Air Valve Chamber for 1200 mm Main Inner Size-2.40 m x 2.00 m x 2.40 m

Air Valve Chamber for 1800 mm Main Inner Size-3.00 m x 2.0 m x 3.00 m

Air Valve Chamber for 2000 mm Main Inner Size-3.00 m x 2.0 m x 3.20 m

Construction of Thrust block of standard size with PCC 1:3:6 using 40 mm HBJ including fixing of M.S rod for anchorage as directed during excution with necessary earth-work excavation, centering, curing etc complete for various bends,Tees as mentioned below

1800 mm x 22.50 Deg Bend

1800 mm x 90 Deg Bend

2000 mm x 45 Deg Bend

2000 mm x 90 Deg Bend

Dewatering using 15HP iesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Topographic Survey of Assets and Utilities Topographic Survey of assets and utilities of CMWSSB using the latest technology and DGPS/DGNSS Instruments, establishing Temporary Benchmarks (TBM) within the Area of Interest (AOI), furnishing “as built drawing with geo referenced Assets and Utilities" in (.shp) file format and the attribute data in FDGB/ PDGB format for incorporating into the GIS platform of CMWSSB

As built survey for every sewage and water pipeline and other assets must be done using DGPS based RTK method by transferring the coordinates from the nearest Static GCP of CMWSSB. Where there are signal interruptions for the RTK method, Total Station can be used. The coordinates from the static GCP shall be transferred to the Total Station by RTK method and the co- ordinates of the assets can then be captured by Total Station. All the features, attributes of all the assets, utilities captured shall be Geo referenced as per standard Coordinate reference system (WGS 84 UTM Zone 44N). The final base map with assets and utilities shall be furnished in (.shp) format. The geo referenced assets and utilities along with the attributes (as specified by the GIS Wing, CMWSSB) shall be converted into proper geo database (FGDB / PGDB) with the attributes. One set Hard and Soft Copy of all the CMWSSB assets and utility has to be prepared category wise network wise in A0 Print for verification in a print scale of 1:1000 in A0 plot, with standard legends in international and NUIS standards and should be legible and three sets of final Hard Copy in A0 print. (a) For the Underground / Surface Assets along the roads for the distance ranging from:

Inter connection of Existing Pipes with proposed pipes including Earth work excavation to the required length ,Cutting the Existing pipe true to axis,dewatering ,removing slushy soil ,safety arrangements of shoring and strutting,barrigadding traffic diversion notification to public and jointing with suitable specials etc. complete.

Temporary Road restoration

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Providing and laying Plain Cement Concrete CC 1:4:8using 40mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Engineer.

Providing and layi

ng Plain Cement Concrete CC1:2:4 using 20 mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Departmental Engineer.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 813mm OD to 2032mm OD having 7.1mm to 16mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

Bill No:- 1.1 Interconnection of Feeder Main with Ring main

Total MS Pipes and Specials

1200 mm MS Dismantling Joint

1600 mm MS Dismantling Joint

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or GGG 50 as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095 and with 5 years warranty

2000 mm MS Dismantling Joint

1200 mm Dia Butterfly Valve

1500 mm Dia Butterfly Valve

Supply and delivery of electrically operated actuator suitable for fixing on the existing butter fly valves of sizes from 800mm to 2000mm dia, at the pumping with required mechanical adaptor arrangements and mounting accessories etc., complete . with following specifications, 24v dc enclosure: water tight to IP 68, IP 68 to IEC 29, naturally/oil cooled type of mounting : face flange mounting including Installation, Testing and Commissioning of Electrically operated Actuator for the existing sluice valves of different ranges with all necessary labours, tools & tackles, Specials, Nuts, Bolts,Washers, Companion flanges, Gaskets including all materials etc.

DI Disk Check Valve (Non Return Valve)- Manufacture, supply and delivery of DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or GGG-50, medium free (dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/ liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/ IS and with 5 years warranty

2000 mm Dia Butterfly Valve

1200 mm Dia NRV

1500 mm Dia NRV

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

2000 mm Dia NRV

II Depth of 1 m Depth

III Depth of 1 m Depth

Cutting the Existing 1200 mm MS pipe at two places so as to remove the pipe from trench

Cutting the Existing 1500 mm MS pipe at two places so as to remove the pipe from trench

Cutting the Existing 2000 mm MS pipe at two places so as to remove the pipe from trench

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

1200 mm Dia pipes and specilas

1500 mm Dia pipes and specilas

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

2000 mm Dia pipes and specilas

1200 mm Bolts and nuts joints

1500 mm Bolts and nuts joints

Jointing of MS pipes and specials by welding including gas cutting (either square cut or V cut),pipes,plates,pre and post weld corrosion portection of all joints to be welded(both external and internal) 3 runs on either side etc., of required thickness,etc., complete and as directed by by the Departmental Engineer.

2000 mm Bolts and nuts joints

1200 mm Welding Joints

1500 mm Welding Joints

1600 mm Welding Joints

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

2000 mm Welding Joints

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

Dewatering using 15 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete

Constructing RCC chamber of inside dimensions as mentioned below and as shown in drawings with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including cost of all materials,labour refilling the sides of foundation etc., complete and as directed by Engineer incharge of works

Fotr 1200 mm SV/NRV 3.0 m x 2.3 x2.50 m

Fotr 1500 mm NRV 3.0 m x 2.3 x2.50 m

For 2000 mm NRV 4.0 m x 3.1 x3.10 m

For 1200mm Butterfly valve and Flow Meter Scada chamber -6.60 m x2.30 x 2.50 m

For 1500 mm Butterfly valve and Flow Meter Scada chamber -6.60 m x2.30 x 2.50 m

For 2000mm Butterfly valve and Flow Meter Scada chamber -11.50 m x3.10 x 3.30 m

Temporary Road restoration

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Providing and layi

Providing and laying Plain Cement Concrete CC 1:4:8 using 40mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Engineer.

Bill No:- 2 Manufacturing, Supply and laying of pipes for Ring main system and its ancillary works

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or GGG 50 as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095 and with 5 years warranty

1829 mm x 14.2 mm thick MS Pipe

For Isolation

1200 mm dia Butterfly Valve

1400 mm dia Butterfly Valve

1600 mm dia Butterfly Valve

1800 mm dia Butterfly Valve

Supply and delivery of electrically operated actuator suitable for fixing on the existing butter fly valves of sizes from 1200mm to 1800mm dia, at the pumping with required mechanical adaptor arrangements and mounting accessories etc., complete . with following specifications, 24v dc enclosure: water tight to IP 68, IP 68 to IEC 29, naturally/oil cooled type of mounting : face flange mounting including Installation, Testing and Commissioning of Electrically operated Actuator for the existing sluice valves of different ranges with all necessary labours, tools & tackles, Specials, Nuts, Bolts,Washers, Companion flanges, Gaskets including all materials etc.

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty.

For Scour

500 mm Scour Valve in1200 mm Main

500 mm Scour Valve in1400 mm Main

500 mm Scour Valve in1600 mm Main

500 mm Scour Valve in1800 mm Main

200 mm DI D/F gate valves for Fixing Kinetic air vlaves

Supply and Delivery of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty.

200 mm Kinetic Air valve for 1200 mm Main

200 mm Kinetic Air valve for 1400 mm Main

200 mm Kinetic Air valve for 1600 mm Main

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013

200 mm Kinetic Air valve for 1800 mm Main

Specials along Ring main Alignment (Bends)

1200 mm x 22.5 Deg MS Bend

1200 mm x 45 Deg MS Bend

1200 mm x 90 Deg MS Bend

1400 mm x 22.5 Deg MS Bend

1400 mm x 45 Deg MS Bend

1400 mm x 90 Deg MS Bend

1600 mm x 22.5 Deg MS Bend

1600 mm x 45 Deg MS Bend

1600 mm x 90 Deg MS Bend

1800 mm x 45 Deg MS Bend

1800 mm x 90 Deg MS Bend

2000 mm x 90 Deg MS bend

Specials along Ring main Alignment (MS Tees)

1200 mm x 1000 mm MS TEE

1200 mm x 150 mm MS TEE

1200 mm x 250 mm MS TEE

1200 mm x 300 mm MS TEE

1200 mm x 350 mm MS TEE

1200 mm x 400 mm MS TEE

1200 mm x 450 mm MS TEE

1200 mm x 500 mm MS TEE

1200 mm x 600 mm MS TEE

1200 mm x 700 mm MS TEE

1200 mm x 800 mm MS TEE

1300 mm x 750 mm MS TEE

1400 mm x 1200 mm MS TEE

1400 mm x 300 mm MS TEE

1400 mm x 400 mm MS TEE

1400 mm x 500 mm MS TEE

1400 mm x 600 mm MS TEE

1600 mm x 1200 mm MS TEE

1600 mm x 1300 mm MS TEE

1600 mm x 1400 mm MS TEE

1600 mm x 200 mm MS TEE

1600 mm x 250 mm MS TEE

1600 mm x 300 mm MS TEE

1600 mm x 350 mm MS TEE

1600 mm x 400 mm MS TEE

1600 mm x 450 mm MS TEE

1600 mm x 500 mm MS TEE

1600 mm x 600 mm MS TEE

1600 mm x 700 mm MS TEE

1600 mm x 900 mm MS TEE

1800 mm x 1000 mm MS TEE

1800 mm x 150 mm MS TEE

1800 mm x 1600 mm MS TEE

1800 mm x 2000 mm MS TEE

1800 mm x 400 mm MS TEE

1800 mm x 500 mm MS TEE

1800 mm x 900 mm MS TEE

2000 mm x 1900 mm MS TEE

Specials along Ring main Alignment (MS Tappers)

1800 mm x 1600 mm MS Tapper

1800 mm x 1200 mm MS Tapper

1600 mm x 1200 mm MS Tapper

1400 mm x 1200 mm MS Tapper

1600 mm x 1300 mm MS Tapper

2000 mm x 1900 mm MS Tapper

1600 mm x 1400 mm MS Tapper

Specials for fixing Butterfly Valve (MS Dismantling Joints)

1200 mm dia MS Dismantling joints

1400 mm dia MS Dismantling joints

1800 mm dia MS Dismantling joints

1600 mm dia MS Dismantling joints

Specials for fixing Butterfly Valve (MS Tail pieces)

1200 mm x 0.15 m MS Flanged Spigot Tail piece

1400 mm x 0.15 m MS Flanged Spigot Tail piece

1800 mm x 0.15 m MS Flanged Spigot Tail piece

1600 mm x 0.15 m MS Flanged Spigot Tail piece

Specials for fixing Scour Valves (MS Spi/Fl Tee)

1200 mm x 500 mm MS Spi/Fl

1400 mm x 500 mm MS Spi/Fl Tee

1600 mm x 500 mm MS Spi/Fl Tee

1800 mm x 500 mm MS Spi/Fl Tee

Specials for fixing Air Valves (MS Spi/Fl Tees)

1200 mm x 200 mm MS Spi/Fl Tee

1400 mm x 200 mm MS Spi/Fl Tee

1600 mm x 200 mm MS Spi/Fl Tee

1800 mm x 200 mm MS Spi/Fl Tee

Supply and delivery of DI D/F specials of conforming to IS 9523/2000 specifications at site of work including all taxes, duties and transportation complete and as directed by Engineer incharge.

500 mm DI D/Fl pipe-2 m length

500 mm DI D/Fl pipe-1 m length

500 mm DI D/Fl Duck Foot Bend

500 mm DI D/Fl 90 Deg Bend

500mm DI D/Fl Bell Mouth

Labour for cutting asphalitc concrete road

Unloading MS Pipes in to stock yard, loading from stock yard, conveying and unloading at site for maximum of 8Km radius.

MS pipes

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

Bus route

Second Depth 2.0 m to 3.0m

Third Depth 3.0 m to 4.0 m

Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting

Bus route

Second Depth 2.0 m to 3.0m

Labour for cutting open Concrete roads for laying water distribution lines etc complete as per standard specifications and as directed by the Departmental Engineer.

Bus route

First Depth 0m to 2.0m

Earthwork excavation for Blasting and removing Medium Rock & Dense Medium Rock Measured in solid including stacking.

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Second Depth 2.0 m to 3.0m

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Third Depth 3 m to 4 m

Jointing of MS pipe by welding including gas cutting(either square cut or V cut),pipes,plates,pre and post weld corrosion portection of all joints to be welded(both external and internal) 3 runs on either side etc., of required thickness,etc., complete and as directed by by the Departmental Engineer.

1932 mm x 17.5 mm thick MS Pipe

2032 mm x 17.5 mm thick MS Pipe

Jointing the D.I/MS Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

200 mm D/Fl Joints

500 mm D/Fl Joints

1200 mm D/Fl Joints

1400 mm D/Fl Joints

1600 mm D/Fl Joints

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

1800 mm D/Fl Joints

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Testing the welded joints by carrying out Ultrosonic test @ 2 % of joints test for MS pipe welding including cost of test and necessary arrangements for testing at site and as directed by Departmental Engineers.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Providing opening of 600 x 600 mm in the MS pipes for welding inside the pipe at every 2.50 km distance and closing the opening with MS plates of the same thickness of pipe including labour charges for cutting and welding etc., complete and as directed by the Departmental Engineers

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Cutting MS Pipes true to axis

0-3 Meter

0-4 Meter

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Testing of pipes for water supply with hydraulictesting equipment by filling with water (including cost of water) and testing to recommendedpressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including other incidential and operational charges etc.,complete for the following diametres of pipes.

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.

Granular Bedding Supplying and filling Quarry Dust in layers of not more than 15cm thick well rammed, watered and compacted etc., complete complying with standard specification.

Constructing RCC chamber of inside dimensions as mentioned below with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including refilling the sides of foundation, foundation concrete complete as per standard design and as shown in the drawings.

Sluice Valve Chambers

For 1200 mm dia Butterfly Valve (3.00 x 2.30 x 2.50 m)

For 1400 mm dia Butterfly Valve (3.50 x 2.70 x 2.90 m)

For 1600 mm dia Butterfly Valve (3.50 x 2.70 x 2.90 m)

For 1800 mm dia Butterfly Valve (4.00 x 3.10 x 3.30 m)

Scour Valve Chambers

500 mm Scour Valve in1200 mm Main of size 1.9m x 1.7m x 1.9m

500 mm Scour Valve in1400 mm Main of size 1.9m x 1.7m x 1.9m

500 mm Scour Valve in1600 mm Main of size 1.9m x 1.7m x 1.9m

500 mm Scour Valve in1800 mm Main of size 1.9m x 1.7m x 1.9m

Kinetic Air valve

For 200 mm Kinetic Air valve for 1200 mm Main (2.40 x 2.00 x 2.40 m)

For 200 mm Kinetic Air valve for 1400 mm Main (2.40 x 2.00 x 2.60 m)

Construction of Thrust block of standard size with PCC 1:3:6 using 40 mm HBJ including fixing of M.S rod for anchorage as directed during excution with necessary earth-work excavation, centering, curing etc complete for various bends,Tees as mentioned below

Specials along Ring main Alignment (Bends)

1200 mm x 22.5 Deg MS Bend

1200 mm x 45 Deg MS Bend

1200 mm x 90 Deg MS Bend

1400 mm x 22.5 Deg MS Bend

1400 mm x 45 Deg MS Bend

1400 mm x 90 Deg MS Bend

1600 mm x 22.5 Deg MS Bend

1600 mm x 45 Deg MS Bend

1600 mm x 90 Deg MS Bend

1800 mm x 45 Deg MS Bend

1800 mm x 90 Deg MS Bend

For 200 mm Kinetic Air valve for 1600 mm Main (3.00 x 2.00 x 2.80)

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Dewatering using 15HP iesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Topographic Survey of Assets and Utilities Topographic Survey of assets and utilities of CMWSSB using the latest technology and DGPS/DGNSS Instruments, establishing Temporary Benchmarks (TBM) within the Area of Interest (AOI), furnishing “as built drawing with geo referenced Assets and Utilities" in (.shp) file format and the attribute data in FDGB/ PDGB format for incorporating into the GIS platform of CMWSSB

200 mm Kinetic Air valve for 1800 mm Main (3.00 x 2.00 x 3.00 m)

Dewatering by using Filter point dewatering method by drilling of borewrells 6" to 8" dia in Sedimentary formation using hand boresets including insertion of casing pipes supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading,Supplying of 150mm nominal dia PVC Ribbed screen Casing pipe as per IS 12818/2010 for required depth including transporting charges.Loading from stack yard, unloading from stock yard to site and providing required pumpset including its accessories, etc. The rate is inclusive of Labour charges for erection, removal of submersible pump including cost of hire charges for both the Pumpset & DG set and its opration and as directed by Departmental officers.(Dewatering rate is for laying 1m of concern pipes) (Upto 3.50 m Depth)

As built survey for every sewage and water pipeline and other assets must be done using DGPS based RTK method by transferring the coordinates from the nearest Static GCP of CMWSSB. Where there are signal interruptions for the RTK method, Total Station can be used. The coordinates from the static GCP shall be transferred to the Total Station by RTK method and the co- ordinates of the assets can then be captured by Total Station. All the features, attributes of all the assets, utilities captured shall be Geo referenced as per standard Coordinate reference system (WGS 84 UTM Zone 44N). The final base map with assets and utilities shall be furnished in (.shp) format. The geo referenced assets and utilities along with the attributes (as specified by the GIS Wing, CMWSSB) shall be converted into proper geo database (FGDB / PGDB) with the attributes. One set Hard and Soft Copy of all the CMWSSB assets and utility has to be prepared category wise network wise in A0 Print for verification in a print scale of 1:1000 in A0 plot, with standard legends in international and NUIS standards and should be legible and three sets of final Hard Copy in A0 print. (a) For the Underground / Surface Assets along the roads

Design, supply ,installation,testing and commissioning of Sacrificial Anode CP System and permanent CP system for meter water pipeline which includes design and detailed Engineering of Sacrificial Anode CP System, including soil resistivity survey, site survey, supply and installation of Test Station/Monitoring box, supply and installation of prepacked Magnesium Anode with 6 sqmm unarmoured tail cable of 10m length, supply and installation of Thermit Welding, supply and laying cables of 1C X 6Sq.mm Copper armoured XLPE/PVC cable for Potential measurement, supply and laying cables of 1C X 10Sq.mm Copper armoured XLPE/PVC cable for anode connection, testing and commissioning of Sacrificial Anode CP system complete as directed by the Engineer in charge for the following diameter and length.

1200 mm MS pipe-50 km

1400 mm MS pipe-20 km

1600 mm MS pipe-20 km

1800 mm MS pipe-10 km

Construction of CP station room of size 3 m x 3 m x 3m for housing Transformer Rectifier ,Panels etc .Construction of CP station room includes Ea

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Construction of Anode bed - Earthing arrangements with GI Earth Plate including charcoal and salt with necessary excavation in all soils and to full depth as may be required and masonry work, re-filling the sides of foundation with excavated earth as per the standard specification and as directed by the Departmental Officers

Supply and filling with Stone Dust in layers complying with standard specification including consolidation and watering etc. complete

Providing and laying Plain Cement Concrete CC 1:2:4 using 20 mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Departmental Engineer.

Provision for anchor blockls for the following pipes using RCC M20 concrete including Eath work excavtion,form work and required steel as directed by the departmental officers

1200 mm MS pipe ( 1.50 x 0.30 x 1.65 m)

1400 mm MS pipe (1.70 x 0.30 x 1.85 m)

Making Trial pit of Size 1 m x 1 m x 2 m including cutting asphaltic / concrete road, earth work excavation, refilling barrication etc., complete (along Feeder main, Ring Main and Transmission main alignment)

GIS Mapping of Sub Surface Assets using Geo-Spatial Techniques GPR and DGPS Technologies for Water Supply Ring Main project at CMWSSB in Chennai.

DGPS Survey for fixing ground control points each km one point (for Feeder main, Ring Main and Transmission main alignment)

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1219 mm x 10 mm thick MS Pipe

1422 mm x 12.5 mm thick MS Pipe

1626 mm x 14.2 mm thick MS Pipe

Ring main (91214 m)

Supply and Pushing of MS pipe of specified thickness by trenchless method adopting micro-tunnelling or any suitable mechanical technology or technology below ground at all depth under running traffic condition as per railway standard including carrying out survey work at the job site for determining underground cable trenches like telephone, cable, water & sanitary lines and resistivity test for finding the soil strata using necessary equipment’s for completion of works, mobilizing of machineries and specialized crew at the job site complete in all respect, including excavation of driven pit and exit pit (upto 3 metre depth) with proper protection at three sites with shoring sheets and ISMBs'

Providing MS cutting edges for front shield and Constructing thrust bed at designated level. Necessary de-watering and providing concrete foundation at the base of the driven pit, PVC/Rubber saddle as per the requirement of Railway Authority, crane for handing of pipe and any other machinery, tools, and tackles required, construction of temporary works as per requirement and as per approved by railway authorities, specification and the direction of the Engineer. (Protective coating/ lining if done that will be paid extra) Note- 1. Manual Pipe jacking is not permitted for workmen safety reasons. MS pipes should be internally lined with 1 coat of a two component solvent- free food grade epoxy coating achieving a minimum dry film thickness of 500 microns internally to pipelines as per specification'The external coating by applying 3 layer fusion bonded polyethylene (3LPE) coating of 3000 microns and as per IS Specification..

Salvage value for existing old pipes in the alignment wherever necessary so as to enable to lay the new pipes as per site condition to be deducted from contractors bill.

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013

Bill No:- 2.1 Interconnection of proposed ring main with exsiting ring main

Interconnection work to the existing 1200 mm dia MS main with 1200 mm Dia Proposed Ring main including cutting the existing 1200 mm dia MS main, Supply, delivery, conveying MS Pipes and specials with dismantling piece conforming to IS 7323 including loading, unloading and stacking at the site etc as directed by the engineer at site, lowering, aligning in position, fixing and jointing with existing Feeder main and including earthwork excavation, refilling with excavated soil and ramming to consolidation and disposal of surplus earth etc complete.

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, with anti rust painting as per IS Specification.

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or GGG 50 as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095 and with 5 years warranty

1200 mm MS Dismantling Joints

1300 mm MS Dismantling Joints

1600 mm MS Dismantling Joints

Supply and delivery of electrically operated actuator suitable for fixing on the existing butter fly valves of sizes from 800mm to 2000mm dia, at the pumping with required mechanical adaptor arrangements and mounting accessories etc., complete . with following specifications, 24v dc enclosure: water tight to IP 68, IP 68 to IEC 29, naturally/oil cooled type of mounting : face flange mounting including Installation, Testing and Commissioning of Electrically operated Actuator for the existing sluice valves of different ranges with all necessary labours, tools & tackles, Specials, Nuts, Bolts,Washers, Companion flanges, Gaskets including all materials etc.

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

2000 mm Dia NRV

1200 mm Butterfly Valves

1300 mm Butterfly Valves

1600 mm Butterfly Valves

Cutting the Existing 1200 mm MS pipe so as to remove the pipe from trench

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

Cutting the Existing 1900 mm MS pipe so as to remove the pipe from trench

Removal of Existing pipe from trench by lifting and and stacking at site and Conveyance of removed MS pipe for a maximum of 8Km from site and handing over to Departmental stores or at the place specified by the engineer incharge of works.

1500 mm Dia pipes and specilas

Second Depth 2.0 m to 3.0m

2000 mm Bolts and nuts joints

1500 mm Welding Joints

1600 mm Welding Joints

1300 mm Dia pipes and specilas

1600 mm Dia pipes and specials

1300 mm Welding Joints

Jointing the MS Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Dewatering using 15HP iesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

For 2000mm Butterfly valve and Flow Meter Scada chamber -11.50 m x3.10 x 3.30 m

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.

1200 mm Bolt nut Joints

1300 mm Bolt nut Joints

1600 mm Bolt nut Joints

Temporary Road restoration

1200 mm BF valve Chamber of Size 3 m x 2.3 m x 2.5 m

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Providing and layi

1300 mm BF valve Chamber of Size 3.5 m x 2.7 m x 2.9 m

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

1600 mm BF valve Chamber of Size 3.5 m x 2.7 m x 2.9 m

Supply and filling with Stone dust in layers complying with standard specification including consolidation and watering etc. complete

Construction of various Pipe carraying bridge at Retteri lake bridge 1, Retteri lake bridge 2, Adyar River MIOT hospital, Buckingham canal Manali CPCL-2, Captain cotton TVK link Road, Coovum River Vangaram, Nalla South Boag road, Otteri nala near Kilpauk Shaft, Otteri Nalla basin Bridge, Buckingham canal TH road 1, Buckingham canal TH road 2, Buckingham canal Akkarai, Coovum River Nungambakkam bridge, Veerangal odai velachery, Buckingham canal Manali CPCL - 1, Otteri nala Otteri, Buckingham canal Thiruvanmiyur.

0 to 1m depth

Providing and installation bored cast-in-situreinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

500 mm dia pile

600 mm dia pile

750 mm dia pile

Supply and filling the foundation with clear M. sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by Officers incharge.

Providing and laying Plain Cement Concrete CC 1:3:6 using 40 mm HBG metal including consolidation, leveling and curing etc., as per standard specification

s and as directed by the Departmental Engineer.

upto 1.50 m Depth Below GL

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of M30 grade for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, fixing, fan clamps etc., as per standard specification and as directed by the Board officers complete.

Below GL Upto 1.50 m Depth

Below GL 1.50 m To 4.50 m Depth

Above GL upto 4.50 m

Above GL 4.50 m to 7.32 m Height

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including strutting upto 3m high

Plane Surface

4m to 5m ht

5m to 6m ht

6m to 7m ht

Above GL 4.50 m to 7.32 m Height

Circular Column Surface

3m to 4m ht

4m to 5m ht

Supplying and fabricating CRS/Thermo Mechanically Treated High Corrosion Resistance bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works using 10mm -32 mm dia rod (Fe-500 D Grade with CRS material)

Providing GI handrails on the sides of Deck slab including cost of welding,fixing etc.,complete

Providing, fabricating and fixing expansion joints for pipelines as per the drawing. The rate to include machiningthe strakes and steel ring as shown in the drawing and welding on either automatic welding machine or manually.Rate includes plates and flats required for expansion joint and all othger materials such as sytnthatic rubber,rubber ring etc., including packing as per specifications,grease bolts and nuts local handling excluding GST levied by GOI & GOM in all respect etc',

Expansion joint for MS Pipe 1200 mm

Expansion joint for MS Pipe 1600 mm

Expansion joint for MS Pipe 1800 mm

Supply and Delivery and fixing of of MS plates/MS Specials and MS pipes as Per IS specications

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, providing 12.5 mm thick cement mortar internal lining (the cement mortar shall have a minimum cement content of 1000kg/cum( and outer coating with fibre reinforced coal tar enamel coat as per specification including cost of all work labour, supply of materials, nominal reinforcement, and fixinghg in position, removing, stacking rebounds, supply of packing where ever transporting. complete as per specification

MS Bend 1200 x 90 Deg

1200 x 200 mm MS Tee for fixing Kinetic Air valve

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 813mm OD to 2032mm OD having 7.1mm to 16mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

1829 mm x 14.20 mm thick MS Pipe

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

1829 mm x 14.20 mm thick MS Pipe

1600 x 200 mm MS Tee for fixing Kinetic Air valve

MS Bend 1800 x 90 Deg

1626 mm x 14.20 mm thick MS Pipe

Lifting of M.S pipes and specials on the Pipe carrying Bridges and laying to proper grade and alignment and as directed by the Engineer in charge.

1200 MS Pipe

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

1829 mm x 14.20 mm thick MS Pipe

1600 MS Pipe

1800 MS Pipe

MS Bend 1800 x 90 Deg

1626 mm x 14.20 mm thick MS Pipe

1829 mm x 14.20 mm thick MS Pipe

Jointing of MS pipe by welding (Sleeve Joints) including gas cutting(either square cut or V cut),pipes,plates,pre and post weld corrosion portection of all joints to be welded(both external and internal) etc., of required thickness,carryingout radiography test for MS pipe welding including necessary arrangement including cost of radiography charges and all cost of materials and etc., complete and as directed by by the Departmental Engineer.

Jointing the MS/C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

200 mm dia bolts and nuts joints

Testing of pipes for water supply with hydraulictesting equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including other incidential and operational charges etc.,complete for the following diametres of pipes.

Supply and Delivery of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty

Construction of Thrust block of standard size with PCC 1:3:6 using 40 mm HBJ including fixing of M.S rod for anchorage as directed during excution with necessary earth-work excavation, centering, curing etc complete for various bends,Tees as mentioned below

200 mm DI D/F Gate Valve for fixing Kinetic Air Valve

Supply ,Delivery and fixing of PTFE Poly Tetra Fluoro Ethylene Sheet below the pipe in the pipe support pedestal

Dewatering charges for diesel pumpset upto 15HP with fuel and crew charges including tranportation for bailing out of sub-soil water

1200 x 90 Deg Bend

1600 x 90 Deg Bend

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 813mm OD to 2032mm OD having 7.1mm to 16mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Drilling 100 mm dia bore hole in soil using Rotary Calyx Mechanically Operated Drilling Equipment, to a depth of 20 m below the local ground level or upto the hard stratum with "N" value is above 100 (34 blows for a maximum penetration of 10 cm), whichever is encountered earlier including conducting field test (SPT), laboratory test on soil samples collected. Submitting three copies of soil test report with classification of soil, safe bearing capacity of soil, type and depth of foundation. Conduct standard penetration tests at the change of layer and at specified intervals of 1.50 m. Classifying the soils, preparing bore logs, noting down water table level and submitting three copies of the report with NABL Accredited Laboratory. Recommendations of a geotechnical expert should be furnished in the soil report, bearing capacity of the founding strata. The cost quoted should include all the expenses (transportation, water charges, drilling in various soil strata etc., complete.).

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

450 mm dia K9 Pipes

500 mm dia K9 Pipes

600 mm dia K9 Pipes

700 mm dia K9 Pipes

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warrantySupplying and Conveying to site, etc complete as per standard specifications and as directed by the Engineer In charge including cost of MS/DI specials required and

cost of joints both welding and MS bolts and nuts etc.c complete.

WDS & Tapping Points Sluice valves

150 mm Dia DI D/F Gate Sluice valve

200 mm Dia DI D/F Gate Sluice valve

300 mm Dia DI D/F Gate Sluice valve

350 mm Dia DI D/F Gate Sluice valve

400 mm Dia DI D/F Gate Sluice valve

For Scour Valves

150mm Dia Valve for 300 mm Dia main

200mm Dia Valve for 500 mm Dia main

200mm Dia Valve for 600 mm Dia main

300mm Dia Valve for 700 mm Dia main

300mm Dia Valve for 800 mm Dia main

300mm Dia Valve for 1000 mm Dia main

Supply and Delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS 3896 (part 2) 1985 and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc.c complete.

450 mm Dia DI D/F Butterfly valve

500 mm Dia DI D/F Butterfly valve

600 mm Dia DI D/F Butterfly valve

Supply and delivery of electrically operated actuator suitable for fixing on the existing butter fly valves of sizes from 800mm to 2000mm dia, at the pumping with required mechanical adaptor arrangements and mounting accessories etc., complete . with following specifications, 24v dc enclosure: water tight to IP 68, IP 68 to IEC 29, naturally/oil cooled type of mounting : face flange mounting including Installation, Testing and Commissioning of Electrically operated Actuator for the existing sluice valves of different ranges with all necessary labours, tools & tackles, Specials, Nuts, Bolts,Washers, Companion flanges, Gaskets including all materials etc.

700 mm Dia DI D/F Butterfly valve

800 mm Dia DI D/F Butterfly valve

1000 mm Dia DI D/F Butterfly valve

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

Supply and Delivery of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc.c complete

150 mm Kinetic Air Valve for 800mm main

200 mm Kinetic Air Valve for 900mm main

200 mm Kinetic Air Valve for 1000mm main

200 mm Kinetic Air Valve for 1600mm main

200 mm Kinetic Air Valve for 1200mm main

200 mm Kinetic Air Valve for 1880mm main

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc. complete.

80 mm DI Single Chamber Air Release valve in 300 mm Main

80 mm DI Single Chamber Air Release valve in 350 mm Main

100 mm DI Single Chamber Air Release valve in 400 mm Main

200 mm Kinetic Air Valve for 1600mm main

200 mm Kinetic Air Valve for 1200mm main

200 mm Kinetic Air Valve for 1880mm main

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc. complete.

100 mm DI Single Chamber Air Release valve in 450 mm Main

800 mm Dia DI D/F Butterfly valve

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

100 mm DI Single Chamber Air Release valve in 500 mm Main

100 mm DI Single Chamber Air Release valve in 600 mm Main

150 mm DI Single Chamber Air Release valve in 700 mm Main

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc. complete.

12.15.2 DI Pressure Reducing Valve (PN10/16) with the function to reduce downstream pressure to set point irrespective of upstream fluctuations. The downstream pressure set point can be changed as per the requirement. “Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Pressure Reducing valve with cast body of ductile iron grade GGG-40 or GGG-50 or as per IS 3896-Part2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. 2 pressure gauges for operator-friendly control to determine the actual inlet and outlet pressure connected directly to the valve. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270.(EP-P)/ WRAS & NSF.” Pilot valve system having Stainless Steel / Brass fittings with spring of SS 304 as per standard parts according to DIN EN 12 266-1 with all the external control tubing of SS 304 / Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self-cleaning filter to avoid possibility of dirt build up inside the control tubing including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc complete

Supply and delivery of the welded MS Specials suitable for Sleeve joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

Supply and delivery of DI D/F specials of conforming to IS 9523/2000 specifications at site of work including all taxes, duties, loading, transportation, unloading, insurance etc., complete and as directed by Engineer incharge.

mDI D/S TEE

400 x 200 mmDI D/S TEE

400 x 300 mmDI D/S TEE

400 x 350 mmDI D/S TEE

400 x 400 mmDI D/S TEE

500 x 350 mmDI D/S TEE

500 x 400 mmDI D/S TEE

600 x 300 mmDI D/S TEE

600 x 500 mmDI D/S TEE

700 x 600 mmDI D/S TEE

700 x 400 mmDI D/S TEE

700 x 600 mm DI D/S Tapper

400 x 300 mmDI D/S Tapper

400 x 200 mmDI D/S Tapper

500 x 350 mmDI D/S Tapper

600 x 300 mmDI D/S Tapper

600 x 400 mmDI D/S Tapper

600 x 500 mmDI D/S Tapper

Tees and Tappers

150 mm DI D/S Bend 45 Deg

150 mm DI D/S Bend 90 Deg

200 mm DI D/S Bend 90 Deg

250 mm DI D/S Bend 45 Deg

250 mm DI D/S Bend 90 Deg

300 mm DI D/S Bend 22.5 Deg

300 mm DI D/S Bend 45 Deg

300 mm DI D/S Bend 90 Deg

350 mm DI D/S Bend 90 Deg

400 mm DI D/S Bend 22.5 Deg

400 mm DI D/S Bend 45 Deg

400 mm DI D/S Bend 90 Deg

450 mm DI D/S Bend 22.5 Deg

450 mm DI D/S Bend 45 Deg

450 mm DI D/S Bend 90 Deg

500 mm DI D/S Bend 45 Deg

500 mm DI D/S Bend 90 Deg

600 mm DI D/S Bend 22.5 Deg

600 mm DI D/S Bend 45 Deg

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

600 mm DI D/S Bend 90 Deg

700 mm DI D/S Bend 22.5 Deg

700 mm DI D/S Bend 45 Deg

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

700 mm DI D/S Bend 90 Deg

First Dpeth 2.0m

Second Depth 2.0 m to 3.0m

Total bend weight

Unloading, stacking at stock yard and Cost of loading from Stockyardand unloading at site, Conveyance from stock yard to site (maximum of8Km radius) are extra.

First Dpeth 2.0m

Labour for cutting open BT,Maccadam roads & Concrete roads for laying water distribution lines etc complete as per standard specifications and as directed by the Departmental Engineer.

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

Bus Route Road - Bitumen Tar / WBM Road

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Concrete Road

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

1200 MS Pipe

Bus Route Road

Third Depth 3.0 m to 4.0m

Non Bus Route Road

Cutting MS/DI Pipe true to axis as per specification

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge (Night work Rate)

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

Testing the welded joints by carrying out Ultrosonic test @ 2.5 % of joints test for MS pipe welding including cost of test and necessary arrangements for testing at site and as directed by Departmental officers.

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Testing of pipes for water supply with hydraulictesting equipment by filling with water (includingcost of water) and testing to recommendedpressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including otherincidential and operational charges etc.,complete for the following diametres of pipes.

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

Bill No:- 3 Supply and laying of Transmission Main Pipe with its allied works

813 mm x 7.1 mm thick MS Pipe

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI Socket / Spigot pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm dia K9 Pipes

200 mm dia K9 Pipes

300 mm dia K9 Pipes

350 mm dia K9 Pipes

400 mm dia K9 Pipes

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.,(iii) 0-5mts., (iv) 0-6mts.,(v) 0-7mts. and (vi) 0-8mts.

Lowering the following DI K9 pipes and specials into trench and laying to proper grade and alignment complete as per standard specifications and as directed by the Departmental Engineer.

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Granular Bedding Supplying and filling in layer Quarry rubbish not more than 15cm thick well rammed, watered and compacted etc., complete complying with standard specification.

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

800 mm dia

1000 mm dia

1200 mm dia

1600 mm dia

Jointing the DI S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants, cost of jointing materials and testing to the required pressure with water etc., complete as per standard specifications and as directed by the Departmental Engineer.

0-3Meter

Constructing RCC chamber of inside dimensions as mentioned below with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:4:8 (1 cement : 4 coarse sand : 8 grade stone aggregate 20 mm Nos.minal size) complete as per standard design and as shown in the drawings.

Sluice/Butterfly & Scada contro valve chamber

at Tapping points

150mm to 400mm Dia main for Valve chamber Size (1.6 mX 1.5mX 1.7m)

450 mm to 600mm Dia main for Valve chamber Size (1.9m x 1.7m x 1.9m)

650 mm to 900mm Dia main for Valve chamber Size 1.95m x 2.0m x 2.2m)

950 mm to 1200mm Dia main for Valve chamber Size (3.0m x 2.3m x 2.5m)

1200 mm to 1600mm Dia main for Valve chamber Size (3.5m x 2.7m x 2.9m)

1600 mm dia

Jointing the DI S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants, cost of jointing materials and testing to the required pressure with water etc., complete as per standard specifications and as directed by the Departmental Engineer.

0-3Meter

Constructing RCC chamber of inside dimensions as mentioned below with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:4:8 (1 cement : 4 coarse sand : 8 grade stone aggregate 20 mm Nos.minal size) complete as per standard design and as shown in the drawings.

Sluice/Butterfly & Scada contro valve chamber

at Tapping points

150mm to 400mm Dia main for Valve chamber Size (1.6 mX 1.5mX 1.7m)

450 mm to 600mm Dia main for Valve chamber Size (1.9m x 1.7m x 1.9m)

650 mm to 900mm Dia main for Valve chamber Size 1.95m x 2.0m x 2.2m)

950 mm to 1200mm Dia main for Valve chamber Size (3.0m x 2.3m x 2.5m)

150mm to 400mm Dia main for Valve chamber Size (3.4 mX 1.5mX 1.7m)

1600 mm dia

Jointing the DI S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants, cost of jointing materials and testing to the required pressure with water etc., complete as per standard specifications and as directed by the Departmental Engineer.

0-3Meter

Constructing RCC chamber of inside dimensions as mentioned below with M25 grade concrete, top RCC Pre-cast slab M25 with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:4:8 (1 cement : 4 coarse sand : 8 grade stone aggregate 20 mm Nos.minal size) complete as per standard design and as shown in the drawings.

Sluice/Butterfly & Scada contro valve chamber

For 1600 mm dia Butterfly Valve (3.50 x 2.70 x 2.90 m)

450 mm to 600mm Dia main for Valve chamber Size (4.1m x 1.7m x 1.9m)

650 mm to 900mm Dia main for Valve chamber Size (5.4m x 2.0m x 2.2m)

950 mm to 1200mm Dia main for Valve chamber Size (6.0m x 2.3m x 2.5m)

1200 mm to 1600mm Dia main for Valve chamber Size (8.1m x 2.7m x 2.9m)

Inlet of the WDS

Butterfly / Sluice valve chamber inbetween Tapping To WDS 150 mm to 1880 mm

150mm Dia Valve for 300 mm Dia main Size (1.6 mX 1.5mX 1.7m)

200mm Dia Valve for 500 mm Dia main Size (1.6 mX 1.5mX 1.7m)

200mm Dia Valve for 600 mm Dia main Size (1.6 mX 1.5mX 1.7m)

300mm Dia Valve for 700 mm Dia main Size (1.6 mX 1.5mX 1.7m)

300mm Dia Valve for 800 mm Dia main Size (1.6 mX 1.5mX 1.7m)

300mm Dia Valve for 1000 mm Dia main Size (1.6 mX 1.5mX 1.7m)

Air Valve Chambers

150 mm Kinetic Air Valve for 800mm main Size (2m X 2m X 2m)

200 mm Kinetic Air Valve for 900mm main Size (2m X 2m X 2.1m)

200 mm Kinetic Air Valve for 1000mm main Size ( 2m X 2m X 2.2m)

200 mm Kinetic Air Valve for 1600mm main Size (3 mX 2mX 2.8m)

200 mm Kinetic Air Valve for 1200mm main Size (2.4m X 2m X 2.3m)

200 mm Kinetic Air Valve for 1880mm main Size (3m X 2m X 3m)

80 mm DI Single Chamber Air Release valve in 300 mm main Size ( 1.25m X 1.25m x1.25m)

80 mm DI Single Chamber Air Release valve in 350 mm main Size ( 1.25m X 1.25m x1.25m)

100 mm DI Single Chamber Air Release valve in 400 mm main Size ( 1.25m X 1.25m x1.25m)

100 mm DI Single Chamber Air Release valve in 450 mm main Size ( 1.25m X 1.25m x1.25m)

100 mm DI Single Chamber Air Release valve in 500 mm main Size ( 1.25m X 1.25m x1.25m)

100 mm DI Single Chamber Air Release valve in 600 mm main Size ( 1.25m X 1.25m x1.25m)

150 mm DI Single Chamber Air Release valve in 700 mm main Size (1.5m X 1.5m X 1.5m)

Pressure Reduce Valve

200mm Dia PRV Chamber size(1.6 mX 1.5 mX1.7m)

300mm Dia PRV Chamber size(1.6 mX 1.5 mX1.7m)

400mm Dia PRV Chamber size(1.6 mX 1.5 mX1.7m)

450mm Dia PRV Chamber size(1.9m X 1.7m X 1.9m)

600mm Dia PRV Chamber size(1.9m X 1.7mX 1.9m)

650mm Dia PRV Chamber size(2.3m X 2m X 2.4m)

1000mm Dia PRV Chamber size(3.0 mX 2.3m X2.7 m)

Construction of Thrust blocks using M25 grade Concrete using 20 mm Blue granite jelly for plain cement concrete, including necessary excavation,sand filling, M20 grade concrete and shuutering charges for all the sides and providing skin reinforcement for all sides using 12mm @200 mm c/c asperdrawing etc all complete ( The rate is inclusive of cost of reinforcement rods )

150 mm 45 deg Bend

150 mm 90 deg Bend

200 mm 90 deg Bend

250 mm 45 deg Bend

250 mm 90 deg Bend

300 mm 22.5 deg Bend

300 mm 45 deg Bend

300 mm 90 deg Bend

350 mm 90 deg Bend

400 mm 22.5 deg Bend

400 mm 45 deg Bend

400 mm 90 deg Bend

450 mm 22.5 deg Bend

450 mm 45 deg Bend

450 mm 90 deg Bend

500 mm 45 deg Bend

500 mm 90 deg Bend

600 mm 22.5 deg Bend

600 mm 45 deg Bend

600 mm 90 deg Bend

700 mm 22.5 deg Bend

700 mm 45 deg Bend

700 mm 90 deg Bend

800 mm x 22.5 Deg MS Bend

800 mm x 45 Deg MS Bend

800 mm x 90 Deg MS Bend

Specials along Ring main Alignment (Bends)

1200 mm x 22.5 Deg MS Bend

1200 mm x 45 Deg MS Bend

1400 mm x 90 Deg MS Bend

1600 mm x 22.5 Deg MS Bend

1600 mm x 45 Deg MS Bend

For 200 mm Kinetic Air valve for 1600 mm Main (3.00 x 2.00 x 2.80)

1800 x 90 Deg Bend

Construction of ring bund using sand bags around the Pile cap of Pipe carrying bridge for diverting the flow of water by rasing the bund above the water level so as to carryout the Piling work including earth work excavation,piling with casurina poles ,cost of sand , gunny bags labour charges for filling, striching charges stacking charges Dewatering by providing shallow wells and pumps etc. complete and as directed by Departmental officers.Volume of each bag = 0.036 cum

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

MS Bend 1600 x 90 Deg

900 mm x 22.5 Deg MS Bend

As built survey for every sewage and water pipeline and other assets must be done using DGPS based RTK method by transferring the coordinates from the nearest Static GCP of CMWSSB. Where there are signal interruptions for the RTK method, Total Station can be used. The coordinates from the static GCP shall be transferred to the Total Station by RTK method and the co- ordinates of the assets can then be captured by Total Station. All the features, attributes of all the assets, utilities captured shall be Geo referenced as per standard Coordinate reference system (WGS 84 UTM Zone 44N). The final base map with assets and utilities shall be furnished in (.shp) format. The geo referenced assets and utilities along with the attributes (as specified by the GIS Wing, CMWSSB) shall be converted into proper geo database (FGDB / PGDB) with the attributes. One set Hard and Soft Copy of all the CMWSSB assets and utility has to be prepared category wise network wise in A0 Print for verification in a print scale of 1:1000 in A0 plot, with standard legends in international and NUIS standards and should be legible and three sets of final Hard Copy in A0 print. (a) For the Underground / Surface Assets along the roads for the distance ranging from:

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

900 mm x 45 Deg MS Bend

900 mm x 90 Deg MS Bend

1000 mm x 22.5 Deg MS Bend

1000 mm x 45 Deg MS Bend

1000 mm x 90 Deg MS Bend

Dewatering using 15 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Providing and laying Plain Cement Concrete 1:4:8 using 40mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Engineer.

Providing and laying Plain Cement Concrete 1:2:4 using 20 mm HBG metal including consolidation, leveling and curing etc., as per standard specifications and as directed by the Departmental Engineer.

Supply Delivery and laying of Precast Box culvert of size 3.5 m width x 3.00 m Height using M30 cocrete,Fe 500 steel ,including Shuttering charges,Earth work Excavation ,Laying complete along NH for laying of Pipes

Bill No:- 3.1 Transmission main interconnection with ring main

Interconnection work to the existing main to WDS with Ring main at tapping point including cutting the existing DI mains,Supply, delivery, conveying DI pipes and specials with dismantling piece including loading, unloading and stacking at the site etc as directed by the engineer at site, lowering, aligning in position, fixing and jointing with existing Feeder main and including earthwork excavation, refilling with excavated soil and ramming to consolidation and disposal of surplus earth etc complete.

Supply and delivery the following sizes of DI Socket / Spigot pipes of class PN10 Flanged pipes conforming to IS:8329/2000 and D/F specials of conforming to IS 9523/2000 as specified in Technical s

pecifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

150 mm DI Flanged Socket TP

150 mm DI D/F Pipe-1 m Length

150 mm DI D/F Pipe-2 m Length

150 mm DI D/F Pipe-1.5 m Length

150 mm MS Dismantling Joint

150mm MS Cut piece 1m length

150mm Single Flanged Socket TP

200 mm DI Flanged Socket TP

200 mm DI D/F Pipe-1 m Length

200 mm MS Dismantling Joint

200 mm MS cut piece

250 mm DI Flanged Socket TP

250 mm DI D/F Pipe-1 m Length

250 mm DI D/F Pipe-2 m Length

250 mm DI D/F Pipe-1.5 m Length

250 mm MS Dismantling Joint

250mm MS Cut piece 1m length

250mm Single Flanged Socket TP

300 mm DI Flanged Socket TP

300 mm DI D/F Pipe-1 m Length

300 mm DI D/F Pipe-2 m Length

300 mm DI D/F Pipe-1.5 m Length

300 mm MS Dismantling Joint

300mm MS Cut piece 1m length

300mm Single Flanged Socket TP

300mm dia barrel pipe

350mm dia barrel pipe

350 mm DI Flanged Socket TP

350 mm DI D/F Pipe-1 m Length

350 mm DI D/F Pipe-2 m Length

350 mm DI D/F Pipe-1.5 m Length

350 mm MS Dismantling Joint

350mm MS Cut piece 1m length

350mm Single Flanged Socket TP

400mm dia barrel pipe

400 mm DI Flanged Socket TP

400 mm DI D/F Pipe-1 m Length

400 mm DI D/F Pipe-2 m Length

400 mm DI D/F Pipe-1.5 m Length

400 mm MS Dismantling Joint

400mm MS Cut piece 1m length

400mm Single Flanged Socket TP

450 mm DI Flanged Socket TP

450 mm DI D/F Pipe-1 m Length

450 mm DI D/F Pipe-2 m Length

450 mm DI D/F Pipe-1.5 m Length

450 mm MS Dismantling Joint

450mm MS Cut piece 1m length

450mm Single Flanged DI Socket TP

500 mm DI Flanged Socket TP

500 mm DI D/F Pipe-1 m Length

500 mm DI D/F Pipe-2 m Length

500 mm DI D/F Pipe-1.5 m Length

500 mm MS Dismantling Joint

500mm MS Cut piece 1m length

500mm Single Flanged Socket TP

50mm dia barrel pipe

600 mm DI Flanged Socket TP

600 mm DI D/F Pipe-1 m Length

600 mm DI D/F Pipe-2 m Length

600 mm DI D/F Pipe-1.5 m Length

600 mm MS Dismantling Joint

600mm MS Cut piece 1m length

600mm Single Flanged Socket TP

600mm dia barrel pipe

700 mm DI Flanged Socket TP

700 mm DI D/F Pipe-2 m Length

450 mm dia K9 Pipes

600 mm dia K9 Pipes

700 mm dia K9 Pipes

700 mm MS Dismantling Joint

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warrantySupplying and Conveying to site, etc complete as per standard specifications and as directed by the Engineer In charge including cost of MS/DI specials required and

cost of joints both welding and MS bolts and nuts etc.c complete.

WDS & Tapping Points Sluice valves

700mm MS Cut piece 1m length

700mm Single Flanged Socket TP

Supply and delivery of the welded MS pipes and Specials suitable for joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

800 mm Dia DI D/F Butterfly valve

1000 mm Dia DI D/F Butterfly valve

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

Sluice Gate Valve

250 mm Dia DI D/F Gate Sluice valve

Actuator

1600 mm Dia DI D/F Butterfly valve

Sluice Gate Valve

Supply and delivery of electrically operated actuator suitable for fixing on the existing butter fly valves at the pumping with required mechanical adaptor arrangements and mounting accessories etc., complete . with following specifications, 24v dc enclosure: water tight to IP 68, IP 68 to IEC 29, naturally/oil cooled type of mounting : face flange mounting Installation, Testing and Commissioning of Electrically operated Actuator for the existing sluice valves of different ranges with all necessary labours, tools & tackles, Specials, Nuts, Bolts,Washers, Companion flanges, Gaskets including all materials etc.

Butterfly Valves

Supplying and Conveying to site the following DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS 3896 (part 2) 1985 and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 including cost of MS specials required and cost of joints both welding and MS bolts and nuts etc.c complete

Pressure Reducing Valve

12.15.2 DI Pressure Reducing Valve (PN10/16) with the function to reduce downstream pressure to set point irrespective of upstream fluctuations. The downstream pressure set point can be changed as per the requirement. “Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Pressure Reducing valve with cast body of ductile iron grade GGG-40 or GGG-50 or as per IS 3896-Part2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. 2 pressure gauges for operator-friendly control to determine the actual inlet and outlet pressure connected directly to the valve. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270.(EP-P)/ WRAS & NSF.” Pilot valve system having Stainless Steel / Brass fittings with spring of SS 304 as per standard parts according to DIN EN 12 266-1 with all the external control tubing of SS 304 / Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self-cleaning filter to avoid possibility of dirt build up inside the control tubing including cost of MS/DI specials required and cost of joints both welding and MS bolts and nuts etc.c complete.

150mm Dia PRV

250mm Dia PRV

300mm Dia PRV

400mm Dia PRV

450 mm Dia PRV

500 mm Dia PRV

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

600 mm Dia PRV

800 mm Dia PRV

900 mm Dia PRV

1000 mm Dia PRV

1200 mm Dia PRV

1900 mm Dia PRV

0-2m deep

2-3m deep

Cutting of DI pipes

Sluice Gate Valve

1200 mm Dia PRV

1900 mm Dia PRV

0-2m deep

2-3m deep

Cutting of DI pipes

Monitoring Measures

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.,(iii) 0-5mts., (iv) 0-6mts.,(v) 0-7mts. and (vi) 0-8mts.

Cutting of MS pipes

Removal of Existing pipe from trench by lifting and stacking at site and Conveyance of removed MS pipe from site and handing over to Departmental stores or at the place specified by the engineer incharge of works.(minimum of 8 km)

ting the DI Double flanged pipes and specials with rubber insertion to the required specifications with MS Bolts & nuts ,complete . The rate is including cost of jointing materials etc complete and as directed by the Departmental Engineers

150 mm DI Pipe

200 mm DI Pipe

250 mm DI Pipe

300 mm DI Pipe

350 mm DI Pipe

400 mm DI Pipe

450 mm DI Pipe

500 mm DI Pipe

600 mm DI Pipe

700 mm DI Pipe

Jointing the CI/DI S/S pipes and specials with neat cement or cement mortar and spun yarn including caulking the joints curing .The rate is including cost of jointing materials etc complete and as directed by the Departmental Engineers

150 mm Joints

200 mm Joints

250 mm Joints

300 mm Joints

350 mm Joints

400 mm Joints

2000 mm Dia pipes and specilas

450 mm Joints

Second Depth 2.0 m to 3.0m

500 mm Joints

600 mm Joints

700 mm Joints

2000 mm Bolts and nuts joints

Jointing the MSI/DI Double flanged pipes and specials with rubber insertion to the required specifications with MS Bolts & nuts ,complete . The rate is including cost of jointing materials etc complete and as directed by the Departmental Engineers

800 mm Bolts and nuts joints

900 mm Bolts and nuts joints

1000 mm Bolts and nuts joints

800 mm Welding Joints

900 mm Welding Joints

1000 mm Welding Joints

1900 mm Welding Joints

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

900 mm x 22.5 Deg MS Bend

800 mm dia

Supply and delivery of the welded MS Specials suitable for Sleeve joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer.

MS specials

600x300 tapper

600mm dia 90 bend

600mm dia 45 deg bend

350mm dia 45 deg bend

350mm dia 90 deg bend

150 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.7 m

200 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.70 m

250 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.7 m

300 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.7 m

350 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.7 m

400 mm Sluice Valve Chamber 1.60 m x 1.50 m x 1.7 m

450 mm Sluice Valve Chamber 1.90 m x 1.70 m x 1.9 m

500 mm Sluice Valve Chamber 1.90 m x 1.70 m x 1.9 m

600 mm Sluice Valve Chamber 1.90 m x 1.70 m x 1.9 m

700 mm Sluice Valve Chamber 2.4 m x 2 m x 2.2 m

800 mm Sluice Valve Chamber-2.4 x 2 x2.2 m

900 mm Sluice Valve Chamber-2.4 x 2 x2.2 m

1000 mm Sluice Valve Chamber-3 x 2.3 x 2.5 m

1200 mm Sluice Valve Chamber-3 x 2.3 x 2.5 m

1900 mm Sluice Valve Chamber-4 x 3.1 x 3.3 m

150 mm Scada chamber 3.4 m x 1.50 m x 1.70 m

200 mm Scada Valve Chamber 3.4 m x 1.50 m x 1.70 m

250 mm Scada chamber 3.4 m x 1.50 m x 1.70 m

300 mm Scada chamber 3.4 m x 1.50 m x 1.70 m

350 mm Scada chamber 3.4 m x 1.50 m x 1.70 m

400 mm Scada chamber 3.4 m x 1.50 m x 1.70 m

450 mm Scada chamber 4.1 m x 1.70 m x 1.90 m

500 mm Scada chamber 4.1 m x 1.70 m x 1.90 m

600 mm Scada chamber 4.1 m x 1.70 m x 1.90 m

700 mm Scada chamber 5 m x 2 m x 2.2 m

800 mm Scada Chamber-5 x 2 x 2.2 m

900 mm Scada Chamber-5 x 2 x 2.2 m

1000 mm Scada Chamber-6.4 x 2.3 x 2.5 m

1200 mm Scada Chamber-6.4 x 2.3 x 2.5 m

1900 mm Scada Chamber-11.8 x 3.10 x 3.3 m

150 mm PRV Chamber 1.60 m x 1.50 m x 1.7 m

250 mm PRV chamber 3.4 m x 1.50 m x 1.70 m

300 mm PRV Chamber 1.60 m x 1.50 m x 1.7 m

400 mm PRV Chamber 1.60 m x 1.50 m x 1.7 m

450 mm Pressure Reduce Valve Chamber 1.90 m x 1.70 m x 1.9 m

500 mm Pressure Reduce Valve Chamber 1.90 m x 1.70 m x 1.9 m

600 mm Pressure Reduce Valve Chamber 1.90 m x 1.70 m x 1.9 m

700 mm Pressure Reduce Valve Chamber 2.4 m x 2 m x 2.2 m

Cutting of MS pipes

Removal of Existing pipe from trench by lifting and stacking at site and Conveyance of removed MS pipe from site and handing over to Departmental stores or at the place specified by the engineer incharge of works.(minimum of 8 km)

ting the DI Double flanged pipes and specials with rubber insertion to the required specifications with MS Bolts & nuts ,complete . The rate is including cost of jointing materials etc complete and as directed by the Departmental Engineers

150 mm DI Pipe

200 mm DI Pipe

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

800 mm Dia PRV chamber-2.4 x 2 x2.2 m

900 mm Dia PRV chamber-2.4 x 2 x2.2 m

1000 mm Dia PRV chamber - 3 x 2.3 x 2.5 m

1200 mm Dia PRV chamber - 3 x 2.3 x 2.5 m

1900 mm Dia PRV Chamber-4 x 3.1 x 3.3 m

300mm Dia PRV Chamber size(1.6 mX 1.5 mX1.7m)

1000 mm Welding Joints

1900 mm Welding Joints

900 mm Welding Joints

800 mm Welding Joints

500 mm butterfly Valve Chamber 1.60 m x 1.50 m x 1.7 m

800 mm butterfly Valve Chamber 1.60 m x 1.50 m x 1.7 m

Lowering of DI pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

800 mm dia MS Pipe

900 mm dia MS Pipe

600 mm dia K9 Pipes

700 mm dia K9 Pipes

700 mm MS Dismantling Joint

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warrantySupplying and Conveying to site, etc complete as per standard specifications and as directed by the Engineer In charge including cost of MS/DI specials required and

cost of joints both welding and MS bolts and nuts etc.c complete.

WDS & Tapping Points Sluice valves

1200 mm dia MS Pipe

1900 mm dia MS Pipe

1200mm dia 22.5 deg bend

1200mm dia 90 deg bend

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

For 2000mm Butterfly valve and Flow Meter Scada chamber -11.50 m x3.10 x 3.30 m

1900mm dia 45deg bend

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Providing and layi

1900mm dia 90deg bend

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

1600 mm BF valve Chamber of Size 3.5 m x 2.7 m x 2.9 m

Supply and filling with Stone dust in layers complying with standard specification including consolidation and watering etc. complete

Construction of various Pipe carraying bridge at Retteri lake bridge 1, Retteri lake bridge 2, Adyar River MIOT hospital, Buckingham canal Manali CPCL-2, Captain cotton TVK link Road, Coovum River Vangaram, Nalla South Boag road, Otteri nala near Kilpauk Shaft, Otteri Nalla basin Bridge, Buckingham canal TH road 1, Buckingham canal TH road 2, Buckingham canal Akkarai, Coovum River Nungambakkam bridge, Veerangal odai velachery, Buckingham canal Manali CPCL - 1, Otteri nala Otteri, Buckingham canal Thiruvanmiyur.

Providing and installation bored cast-in-situreinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

500 mm dia pile

600 mm dia pile

750 mm dia pile

Supply and filling the foundation with clear M. sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by Officers incharge.

upto 1.50 m Depth Below GL

Conveying and fixing sluice valves with tail pieces including fixing the surface boxes/valves, covers.

Below GL 1.50 m To 4.50 m Depth

Above GL upto 4.50 m

Above GL 4.50 m to 7.32 m Height

450 mm DI Butterfly Valve

500 mm DI Butterfly Valve

600 mm DI Butterfly Valve

6m to 7m ht

Above GL 4.50 m to 7.32 m Height

700 mm DI Butterfly Valve

Circular Column Surface

3m to 4m ht

Supply and filling with stone dust in layers complying with standard specification including consolidation and watering etc. complete

Bill No:- 3.2 Construction of pipe carrying bridge for Transmission Main at various locations Buckingham canal to anna park WDS 60m length, Buckingham canal at thoraipakkam, kosasthalaiyar river, kosasthalaiyar river at sadayankuppam bridge, Buckingham canal at sadayankuppam bridge, buckingham canal at pandian salai, Adyar river (Tholkapiyar park)

4m to 5m ht

Providing, fabricating and fixing expansion joints for pipelines as per the drawing. The rate to include machiningthe strakes and steel ring as shown in the drawing and welding on either automatic welding machine or manually.Rate includes plates and flats required for expansion joint and all othger materials such as sytnthatic rubber,rubber ring etc., including packing as per specifications,grease bolts and nuts local handling excluding GST levied by GOI & GOM in all respect etc',

Expansion joint for MS Pipe 1200 mm

4.50 to 7.32 m ht

3 to 4m ht

Expansion joint for MS Pipe 1600 mm

Expansion joint for MS Pipe 1800 mm

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 813mm OD to 2032mm OD having 7.1mm to 16mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

Expansion joint for MS Pipe 600 mm

Expansion joint for MS Pipe 1000 mm

MS Bend 600 x 90 Deg

600 x 200 mm MS Tee for fixing Kinetic Air valve

MS Bend 1000 x 90 Deg

1000 x 200 mm MS Tee for fixing Kinetic Air valve

1016 mm x 8.80 mm thick MS Pipe

Supply and delivery the following sizes of DI pipes of K9/class PN10 Flanged pipes conforming to IS:8329/2000 and D/F specials of conforming to IS 9523/2000 as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

600 mm DI K9 pipes

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

700 mm Pressure Reduce Valve Chamber 2.4 m x 2 m x 2.2 m

Expansion joint for MS Pipe 600 mm

1600 x 200 mm MS Tee for fixing Kinetic Air valve

600 mm DI D/F pipes-5 m

MS Bend 1800 x 90 Deg

600 mm DI D/F pipes-1.5 m

600 mm DI D/F pipes-1.0 m

1200 MS Pipe

Supply and delivery of SPIRALLY welded MS pipes with tapper short sleeve joint of preferred dimensions ranging from 1219mm OD to 1829mm OD having 10mm to 14.2mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes with Pipes internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 and transporting the pipes from the place of manufacturing to the stock yard etc complete.

Expansion joint for MS Pipe 600 mm

1600 MS Pipe

250 mm DI Pipe

600 mm DI D/F pipes-2.0 m

1800 MS Pipe

600 mm DI D/F pipes-5 m

MS Bend 1800 x 90 Deg

Expansion joint for MS Pipe 600 mm

600 mm DI D/F 90° Duck Foot Bend

600 mm D/S 90° Bend

600 mm D/F 90° Bend

80 mm DI Single Chamber Air Release valve in 300 mm Main

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

200 mm dia bolts and nuts joints

Testing of pipes for water supply with hydraulictesting equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test,excluding the cost of pipes but including other incidential and operational charges etc.,complete for the following diametres of pipes.

Supply and Delivery of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty

Construction of Thrust block of standard size with PCC 1:3:6 using 40 mm HBJ including fixing of M.S rod for anchorage as directed during excution with necessary earth-work excavation, centering, curing etc complete for various bends,Tees as mentioned below

600 mm DI Flanged Spigot Tail Piece

1000 MS Pipe

200 mm DI D/F Gate Valve for fixing Kinetic Air Valve

1200 x 90 Deg Bend

Lifting of DI pipes and specials on the Pipe carrying Bridges and laying to proper grade and alignment and as directed by the Engineer in charge.

600 mm D/F pipe

600 mm pipes and Spls

Supply,Delivery and fixing of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty

200 mm Dia Kinetic Air Valve

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete

600 x 90 Deg Bend

1000 x 90 Deg Bend

Bill No:- 4 Trenchless Crossing at Various Locations (NHAI, State Highway/TNRDC, Railways and CMRL

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), depth upto 5m in all soil including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 10 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe

. Lowering the following size of MS encasing pipe by using Contractor’s crane and machineries and jointing MS pipes by welding, across the National Highways/State Highways/ Railways/Canal crossing etc and driving 326 the horizontal bore by pushing / jacking method (trenchless technology method) using contractor’s machineries such as cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc. without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances to the railway/road/canal formation etc. including bailing / pumping of water where ever necessary without affecting any installation like water supply pipeline/telephone cable, electric cables etc. passing nearby area and scooping the earth inside the pipes and pit and depositing the surplus earth in a convenient place and leveling the site after completion of entire work as directed by Engineers in charge of work. The rate includes the cost of driving pit, thrust bed/wall and receiving pit to the depth of om to 5m excluding the cost of MS Pipe.

National Highways crossing by tunnelling

Tunneling for 1000 mm dia Bore

Supply & Delivery of 1000 mm dia x 14 mm thick MS Encasing Pipe- 60 m Length

Tunneling for 1400 mm dia Bore

Supply & Delivery of 1400 mm dia x 20 mm thick MS Encasing Pipe- 50 m Length

Tunneling for 1600 mm dia Bore

Supply & Delivery of 1600 mm dia x 22 mm thick MS Encasing Pipe- 50 m Length

Tunneling for 2000 mm dia Bore

Supply & Delivery of 2000 mm dia x 24 mm thick MS Encasing Pipe- 40 m Length

Tunneling for 2200 mm dia Bore

Supply & Delivery of 2200 mm dia x 24 mm thick MS Encasing Pipe- 60 m Length

1000 x 90 Deg Bend

State Highways crossing by tunnelling

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), depth upto 5m in all soil including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 10 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe

Tunneling for 700 mm dia Bore

National Highways crossing by tunnelling

Supply & Delivery of 700 mm dia x 10 mm thick MS Encasing Pipe- 50 m Length

Tunneling for 800 mm dia Bore

Supply & Delivery of 800 mm dia x 12 mm thick MS Encasing Pipe- 30 m Length

Tunneling for 900 mm dia Bore

Tunneling for 1400 mm dia Bore

Supply & Delivery of 900 mm dia x 13 mm thick MS Encasing Pipe- 30 m Length

Supply,Delivery and fixing of Kinetic air valves for handling more volumes of air in pumping main, double orifice kinetic air valve confirming to is 14845 tamper proof design (pn-1) and with 5 years warranty

Tunneling for 1100 mm dia Bore

Tunneling for 2200 mm dia Bore

Supply & Delivery of 1100 mm dia x 18 mm thick MS Encasing Pipe- 30 m Length

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete

Supply & Delivery of 1600 mm dia x 22 mm thick MS Encasing Pipe- 40 m Length

1000 x 90 Deg Bend

Supply & Delivery of 2000 mm dia x 24 mm thick MS Encasing Pipe- 30 m Length

Supply & Delivery of 2200 mm dia x 24 mm thick MS Encasing Pipe- 45 m Length

Tunneling for 2400 mm dia Bore

1200 x 90 Deg Bend

Railway crossing by tunnelling

Supply & Delivery of 700 mm dia x 10 mm thick MS Encasing Pipe- 10 m Length

Tunneling for 2200 mm dia Bore

Supply & Delivery of 1000 mm dia x 14 mm thick MS Encasing Pipe- 30 m Length

Manufacture, Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete

Supply & Delivery of 1100 mm dia x 16 mm thick MS Encasing Pipe- 30 m Length

1000 x 90 Deg Bend

State Highways crossing by tunnelling

Supply & Delivery of 1400 mm dia x 20 mm thick MS Encasing Pipe- 20 m Length

Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) etc all complete as per standard specifications and as directed by the Departmental Engineer Refilling trenches with excavated soil in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Engineer in charge.

Supply & Delivery of 1600 mm dia x 22 mm thick MS Encasing Pipe- 30 m Length

Railway crossing by Box Culvert

Supply Delivery and laying of Precast Box culvert of size 3.5 m width x 3.00 m Height using M30 concrete,Fe 500 steel ,including Shuttering charges,Earth work Excavation ,Laying complete for laying of Pipes

Total for railway

Metro rail crossing by tunnelling

600 mm dia pile

Supply & Delivery of 1100 mm dia x 16 mm thick MS Encasing Pipe- 40 m Length

Supply and filling the foundation with clear M. sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by Officers incharge.

Supply & Delivery of 1400 mm dia x 20 mm thick MS Encasing Pipe- 40 m Length

Bill No:- 5 Construction of under ground storage tanks (UGT) at various location of Thiruvotriyur WDS (0.5ML), Puzhal WDS (1 ML), Okkiyam Thoraipakkam WDS (1 ML), High rise building WDS (1 ML), Sholinganallur Neduncheziyan Street WDS (1 ML), Semmenchery WDS (1 ML) and Puzhuthivakkam WDS (1 ML)

0m to 2m depth

2m to 3m depth

Supply & Delivery of 1400 mm dia x 20 mm thick MS Encasing Pipe- 40 m Length

Bill No:- 5 Construction of under ground storage tanks (UGT) at various location of Thiruvotriyur WDS (0.5ML), Puzhal WDS (1 ML), Okkiyam Thoraipakkam WDS (1 ML), High rise building WDS (1 ML), Sholinganallur Neduncheziyan Street WDS (1 ML), Semmenchery WDS (1 ML) and Puzhuthivakkam WDS (1 ML)

0m to 2m depth

Below GL 1.50 m To 4.50 m Depth

3m to 4m depth

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths.,for 0-4mts

0-4 Meter (3.2m Depth)

Supplying and filling Crushed stone sand (M-sand) for foundations and basement including watering consolidating ramming, etc., complete

UGT/OHT (inside) waterproofing with Antimicrobial Coating Waterproofing: Providing and Applying CFTRI approved two component flexible polymer modified acrylic cementitious waterproofing coating with a mix ratio of (5 Liquid :7 Powder) to the RCC surface of the UGT/ OHT tank applied @ 2.2kg/m2 in 2 coats to achieve 1.2mm DFT, having Elongation at break >120% as per ASTM D 412, Tensile strength >1N/mm2 as per ASTM D 412, Adhesion strength: 0.80N/ mm2 as per ASTM D 4541, crack bridging upto 2mm as per ASTM C 836. The finished cost to include surface preparation, making coving of 50 mm X 50mm at all right angles of wall Junction with Polymer Repair Mortar and lay 45 gsm glass fibre mesh over the angle fillet when the first coat in still wet, treatment of cracks completely as per specification. Followed by applying 15 mm thick dimensionally stable fibrous reinforced cementitious structural grade dual shrinkage Polymer Mortar on as protective plastering @ 29kg/m2. The material having Compressive strength of 38 MPa at 28 days as per EN 12190, Adhesive Bond Test, >1.5 Mpa as per EN 1542, followed by Water curing by sprinkl

ing water for 3 times a day for 5- 7 days. Followed by applying two component, water-based food grade epoxy resin coating on inside surface of Potable water tank having antialgae, antifungal, Non-toxic, hygiene cum damp-proof coating Certified by CFTRI as per 21 CFR 175 – 300 of US – FDA, having mixing Ratio (Base: Hardener: Water) – 1:1:1 to be applied @ 0.35 Kg/m2 in 2 coats. Ensure that this coating is applied over the protective plaster. The Waterproofing material shall have Specific Gravity: 1.2, Water vapor permeance: 244.48 g/m2/24 hrs, as per IS 7809/Pt 2/1977, Adhesion strength: 2 N/mm2 as per ASTM D 4541: 02. The finished cost to include surface preparation completely as per specification

Below G.L upto 1.5m depth

0m to 2m depth

Below G.L 1.5m to 4.5m depth

Above G.L upto 4.50m height

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of M30 grade (using SRC) for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, fixing, fan clamps etc., as per standard specification and as directed by the Board officers complete.

Below & Above G.L 0m to 3m Height

Plain surface

Square Column

Supplying and fabricating CRS/Thermo Mechanically Treated High Corrosion Resistance bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works as follows

8 mm dia rod (Fe-500 D Grade with CRS material)

10mm -32 mm dia rod (Fe-500 D Grade with CRS material)

Stock brick work with II class bricks in cement mortar 1:3 (Crushed stone sand (M-sand)) for 23 cm thick wall including curing etc. complete (including extra labour for 11cm thick wall)

Granolithic flooring 50 mm thick with cement concrete 1:2:4 using 3 to 10 mm chips and top surface rendered smooth with cement including thread lining 25mm dia G.I.pipe of necessary length for water outlet curing etc. complete.

Plastering with cement mortar 1:3 (Crushed stone sand (M-sand)) for 12mm thick including curing, etc., complete.

White washing Two coats for Inner and outer surface including cost of materials labour etc complete,.as per standard specifications and as directed by Engineer

Painting with two coats of ready mixed plastic emulsion paint first class quality and of approved colour over a priming coat including thorough scrapping clean removal of dirt, etc., complete and including necessaary plaster of paris, putty, etc., wherever required.

Standard Tar Painting one coat of approved quality in all floors etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of stainless steel ladder consisting of side support and foot rest made up of 18 SWG ,304 Grade stainless steel with stainless steel welded joints.The width of the ladder is 45cms.

Providing and fixing FRC cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete

Supplying and fixing of GI Sheets 30cm wide and 1.6mm thick for construction joint

Concrete with broken brick jelly 20mm gauge in pure slacked lime over R.C.C. roof slab in the proportion of 32:12 ½ (No sand to be used )well beaten with wooden beaters to the required depth of 80mm thick and giving required slope and thickness to roof as required, etc., complete For Weathering Course

Terrace flooring with two course of flat tiles of 15cmx15cmx12mm using CM 1:3 mixed with crude oil 10% by weight of cement and pointed with same oiled mortar.(Over to the Weathering course on the tank)

Dewatering using 3HP Diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Testing of the UGT by retaining water for 48 hours inside the UGT including cost of water pumping water into the UGT and bailing out of water (after testing ) with necessary pumping equipments including attending the crack if any occurred during the test and other incidental and accidental operational charges etc. complete (Details enclosed)

Refilling with excavated earth (other than sand) complying with standard specification for filling in foundation and basement.

Disposal of surplus earth to a distance not exceeding 5km including loading, transportation, unloading etc. complete as directed by the Engineer.

Dewatering using 3HP Diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Testing of the UGT by retaining water for 48 hours inside the UGT including cost of water pumping water into the UGT and bailing out of water (after testing ) with necessary pumping equipments including attending the crack if any occurred during the test and other incidental and accidental operational charges etc. complete (Details enclosed)

Refilling with excavated earth (other than sand) complying with standard specification for filling in foundation and basement.

Supplying and fixing of 100mm dia CI ventilating pipe of 2 m length with cowl.

Provision for Inlet and Over flow connection to the Under Ground Tank

Supply and delivery of DI class 10 Double Flanged Pipes

Supply and delivery of DI class 10 Double Flanged Pipes

Inlet

400 mm DI D/F Pipe-1 m Length

450 mm DI D/F Pipe-1 m Length

500 mm DI D/F Pipe-1 m Length

600 mm DI D/F Pipe-1 m Length

600 mm DI D/F Pipe-1 m Length

700 mm DI D/F Pipe-1 m Length

Overflow

Supply and Delivery of DI Specials required for Inlet and Overflow connections

400 mm 90 Deg Duck Foot Bend

450 mm 90 Deg Duck Foot Bend

450 mm 90 Deg Duck Foot Bend

500 mm 90 Deg Duck Foot Bend

600 mm 90 Deg Duck Foot Bend

700 mm 90 Deg Duck Foot Bend

400 mm 90 deg D/F Bend

450 mm 90 deg D/F Bend

500 mm 90 deg D/F Bend

600 mm 90 deg D/F Bend

700 mm 90 deg D/F Bend

400 mm DI Flanged Socket Tail piece

450 mm DI Flanged Socket Tail piece

500 mm DI Flanged Socket Tail piece

600 mm DI Flanged Socket Tail piece

700 mm DI Flanged Socket Tail piece

Laying of D/F Pipes

400 mm DI D/F Pipe

450 mm DI D/F Pipe

500 mm DI D/F Pipe

600 mm DI D/F Pipe

700 mm DI D/F Pipe

Jointing the CI/DI Double flanged pipes and specials with rubber insertion to the required specifications with MS Bolts & nuts ,complete . The rate is including cost of jointing materials etc complete and as directed by the Departmental Engineers

1200 x 90 Deg Bend

400 mm Dia D/F Joints

Supply and filling with Stone dust in layers complying with standard specification including consolidation and watering etc. complete

450 mm Dia D/F Joints

500 mm Dia D/F Joints

600 mm Dia D/F Joints

700 mm Dia D/F Joints

400 mm Dia Cement yarn joint

500 mm Dia Cement yarn joint

600 mm Dia Cement yarn joint

500 mm dia pile

700 mm Dia Cement yarn joint

Bill No:- 6 Construction of RCC surge Tanks at Various RCC Surge tank at CHMB Dia-10 m Height-27.8 m, RCC Surge tank at PUZHAL Dia-9 m Height-22.38 m, RCC Surge tank at KILPAUK Dia-7 m Height-17.3 m, RCC Surge tank at AKKARAI Dia-6 m Height-25 m, RCC Surge tank at PORUR Dia-5 m Height-27 m.

Supply and filling the foundation with clear M. sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by Officers incharge.

750mm dia pile

900mm dia pile

1000mm dia pile

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m in Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil -SS20B

0 to 2 m Depth

2 to 3 m Depth

3 to 4 m Depth

Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hardbroken stone jelly for plain cement concrete works including laying in layers of not more than 15cm thick including ramming, curing, etc., complete

Below GL 1.50 m to 4.50 m Depth

2m to 3m depth

Below GL 1.50 m to 4.50 m Depth

Below GL upto 1.50 m Depth

Above GL up to 4.50 m Height

4.50 m to 7.32 m Height

7.32 to 10.98 m Height

10.98 m T0 14.64 m Height

14.64 m to 18.3 Height

18.3 to 21.96 Height

21.96 to 25.62 Height

25.62 to 29.28 Height

low GL 1.5 to 4.5

Below GL upto 1.5

Above GL Upto 4.50 m Ht

7.32 m to 10.98 m ht

Supplying and fabricating CRS/Thermo Mechanically Treated High Corrosion Resistance bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works using 10mm -32 mm dia rod (Fe-500 D Grade with CRS material)

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including strutting with lift

Curved Centering

Below GL & above GL upto 3 m Ht

3 m to 4 m Ht

4 m to 5 m Ht

5 m to 6 m Ht

6 m to 7 m Ht

7 m to 8 m Ht

8 m to 9 m Ht

9 m to 10 m Ht

10 m to 11 m Ht

11 m to 12 m Ht

12 m to 13 m Ht

13 m to 14 m Ht

14 m to 15 m Ht

15 m to 16 m Ht

16 m to 17 m Ht

17 m to 18 m Ht

18 m to 19 m Ht

19 m to 20 m Ht

20 m to 21 m Ht

21 m to 22 m Ht

22 m to 23 m Ht

23 m to 24 m Ht

24 m to 25 m Ht

25 m to 26 m Ht

26 to 27 m ht

Plane Centering

0 m to 3 m Ht

7 to 8m ht

11 to 12m ht

21 m to 22 m Ht

25 m to 26 m Ht

26 to 27 m ht

Plane Centering

8 mm dia rod (Fe-500 D Grade with CRS material)

15 to 16m ht

Circular Column Surface

16 to 17m ht

17 to 18m ht

20 to 21m ht

23 to 24m ht

24 to 25m ht

25 to 26m ht

26 to 27m ht

28 m to 29 m Ht

Circular Column

Providing and fixing FRC cover and frame of size 60 x 60cm for inspection hole including necessary masonry work and plastering, etc., complete

32 mm GI Pipe Medium class Vertical

32 mm GI Pipe Medium class Horizontal-top

25 mm GI Pipe Medium class Horizontal-Middle

100 mm x100 mm 8 mm thick MS Insert plate

Lugs-12 mm dia MS rod

Labour charges for welding GI Pipes

32 mm GI Pipe

25 mm GI Pipe

Above G.L upto 4.50m height

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Puzhal

Below & Above G.L 0m to 3m Height

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Kilpauk

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Akkarai

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Porur

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-CHMB

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Puzhal

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Kilpauk

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Akkarai

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm..-Porur

Providing and applying one coat of Zinc oxide primer and two coats of Anti Corrosive paint of Colour as directed by engineer in charge complete as per technical specification in accordance with IRC 24-2010 and other relevant MoRT&H Specifications CI:1906 for structural steel

Painting primary coat on new plaster surface

Providing and applying epoxy paintof approved make (Shalimar, Ciba or Mahindra & Mahindra) to concrete surface for RCC ESR or GSR or any other structure including cleaning the surface by scrapping and air blowers to the satisfaction of Engineer-in-charge, necessary scaffolding, etc. complete with all leads and lifts and giving satisfactory hydraulic test for water tightness as per I.S. codes.

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/ 2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2032 mm OD as per Table -8 of IS 3589:2001. Pipes shall be externally coated with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 Supply and delivery of the welded MS Specials suitable for Sleeve joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

2032 mm MS pipe -16 mm thick

1800 mm MS pipe -16 mm thick

1000 mm MS pipe -16 mm thick

2032 mm x 16 mm thick MS Double flange pipe-2 m length

1800 mm x 14.20 mm thick MS Double flange pipe-2 m length

1000 mm x 16 mm thick MS Double flange pipe-2 m length

2000 mm MS TEE

Unloading MS Pipes in to stock yard, Loading from stock yard, conveying and unloading at site (maximum of 8Km radius)

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment and as directed by the Engineer in charge.

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Porur

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-CHMB

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Puzhal

Jointing of MS pipes and specials by welding including gas cutting (either square cut or V cut),pipes,plates,pre and post weld corrosion portection of all joints to be welded(both external and internal) 3 runs on either side etc., of required thickness,etc., complete and as directed by by the Departmental Engineer.

Supply and fixing of stainless steel ladder Inside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of 18SWG, 304 Grade stainless steet with stainless steel welded joimts. The width of ladder is 600mm.-Porur

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-CHMB

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Puzhal

Providing and applying one coat of Zinc oxide primer and two coats of Anti Corrosive paint of Colour as directed by engineer in charge complete as per technical specification in accordance with IRC 24-2010 and other relevant MoRT&H Specifications CI:1906 for structural steel

Painting primary coat on new plaster surface

Providing and applying epoxy paintof approved make (Shalimar, Ciba or Mahindra & Mahindra) to concrete surface for RCC ESR or GSR or any other structure including cleaning the surface by scrapping and air blowers to the satisfaction of Engineer-in-charge, necessary scaffolding, etc. complete with all leads and lifts and giving satisfactory hydraulic test for water tightness as per I.S. codes.

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/ 2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2032 mm OD as per Table -8 of IS 3589:2001. Pipes shall be externally coated with Coal Tar Enamel Wrapping Tape as per IS 15337:2013 Supply and delivery of the welded MS Specials suitable for Sleeve joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

2032 mm MS pipe -16 mm thick

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Kilpauk

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm.-Akkarai

Supply and fixing of MS ladder Outside the Surge tank consisting of cage supported by 100 x50 x5 mm Channel on both sides of steps and foot rest at every 300 mm.All member of ladder made up of Mild steel steet with stainless steel welded joimts. The width of ladder is 600mm..-Porur

1800 mm x 14.20 mm thick MS Double flange pipe-2 m length

1000 mm x 16 mm thick MS Double flange pipe-2 m length

2000 mm MS TEE

1800 mm MS TEE

1000 mm MS TEE

2000 mm MS Bend-90 Deg

1800 mm MS Bend-90 Deg

1000 mm MS Bend-90 Deg

2000 mm Flange adopter

1800 mm Flange adopter

1000 mm Flange adopter

2000 mm MS Flange Dummy Plate

1800 mm MS Flange Dummy Plate

1000 mm MS Flange Dummy Plate

Supply and Delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS 3896 (part 2) 1985 and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 including cost of MS specials required and cost of joints both welding and MS bolts and nuts etc complete

2000mm Butterfly valve

1800 mm Butterfly Valve

1000 mm Butterfly Valve

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the va

lves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warrantySupplying and Conveying to site, etc complete as per standard specifications and as directed by the Engineer In charge.

300 mm DI Gate valve

Supply and delivery the following sizes of DI pipes of class K9 conforming to IS:8329/2000, as specified in Technical specifications in standard lengths including labour charges for loading, unloading and stacking at site etc. complete as per standard specifications and as directed by the Departmental Engineer.

Additional feede pipe for Ultimate Stage

150 mm DI D/F Pipe -2 m length

150 mm DI D/F Pipe -1 m length

150 mm DI Duck Foot Bend 90 Deg

150 mm DI Gate valve

Over flow Pipe

400 mm DI D/F Pipe -2 m length

500 mm DI D/F Pipe -2 m length

600 mm DI D/F Pipe -2 m length

400 mm DI D/F Pipe -1 m length

500 mm DI D/F Pipe -1 m length

600 mm DI D/F Pipe -1 m length

400 mm DI D/F Duck Foot Bend 90 Deg

500 mm DI D/F Duck Foot Bend 90 Deg

1800 mm MS Bend-90 Deg

2000 mm MS Bend-90 Deg

1000 mm MS TEE

2000 mm Flange adopter

Granolithic flooring 50 mm thick with cement concrete 1:2:4 using 3 to 10 mm chips and top surface rendered smooth with cement including thread lining 25mm dia G.I.pipe of necessary length for water outlet curing etc. complete.

Refilling with excavated soils (other than sand) complying with standard specifications for filling in Water Supply pipe works.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

600 mm DI D/F Duck Foot Bend 90 Deg

400 mm D/F Bend 90 Deg

500 mm D/F Bend 90 Deg

600 mm D/F Bend 90 Deg

1000 mm MS Double flage pipe-1 m length

1800 mm MS Double flage pipe-1 m length

2032 mm x 16 mm thick MS Double flage pipe-1 m length

1200 x 90 Deg Bend

Drain pipe

300 mm DI D/F 2 m Length Pipe

300 mm DI D/F 1 m Length Pipe

Provision for Laying of Vertical Pipes and Specials

Constructing RCC chamber of inside dimensions as mentioned below with M20 grade concrete, top RCC Pre-cast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm Nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 grade stone aggregate 20 mm Nos.minal size) complete as per standard design and as shown in the drawings.

Providing and fixing in position copperlightening conductor including copper rod of 20mm dia as per upper terminal 1.5 M long with aknob at end and with conical spike at top, coppertape conductor 20 x 3 mm size, copper earth plateof 3 mm thick and 0.81 sqm. in area, clamps at 1M centre to centre including, necessaryexcavation, laying and fixing the conductor,providing and fixing 40 mm G.I. pipe upto 3 Mheight from ground and 0.5 M below groundincluding making all connections, filling earthingpit with charcoal, salt, etc. & refilling & watering,etc. complete as per specifications laid down inrelevant I.S. codes.

Chembarambakam

Puzhal

Kilpauk

700 mm Dia D/F Joints

Akkarai

Porur

500 mm dia pile

600 mm dia pile

Bill No:- 6 Construction of RCC surge Tanks at Various RCC Surge tank at CHMB Dia-10 m Height-27.8 m, RCC Surge tank at PUZHAL Dia-9 m Height-22.38 m, RCC Surge tank at KILPAUK Dia-7 m Height-17.3 m, RCC Surge tank at AKKARAI Dia-6 m Height-25 m, RCC Surge tank at PORUR Dia-5 m Height-27 m.

Supply and filling the foundation with clear M. sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by Officers incharge.

Bill No:- 6 Construction of RCC surge Tanks at Various RCC Surge tank at CHMB Dia-10 m Height-27.8 m, RCC Surge tank at PUZHAL Dia-9 m Height-22.38 m, RCC Surge tank at KILPAUK Dia-7 m Height-17.3 m, RCC Surge tank at AKKARAI Dia-6 m Height-25 m, RCC Surge tank at PORUR Dia-5 m Height-27 m.

Supplying and filling Crushed stone sand (M-sand) for foundations and basement including watering consolidating ramming, etc., complete

Below GL 1.50 m To 4.50 m Depth

Providing and fixing LED aviation obstruction lamp of Altos - model no.AOL-Q2-R-240A/N, or equivalent make of approved quality with light dependent resistance sensor (day and night automatic timer) with necessary MS brackets, clamps , Supplying & laying of 2 core x 1.5 Sqmm armoured copper conductor Cable "Armoured ISI PVC Insulated & sheathed cable" of make polycab or equivalent of approved quality and brand including copper terminations/ Lugs etc. all complete as per directions of Engineer- in-charge. Sheath earthing for the armoured cable shall be done at minimum of two points on the tower as per the standards specified.

Bill No:- 7 Fabricating Various Steel Surge tank at Two Way Steel Surge Tank- 2 .00 m Dia at TNHB Height-22 m, Steel Surge Shaft- 2 .50 m Dia at SURAPET-Height-26.60 m, Steel Surge Shaft- 1 .50 m Dia at MADHAVARAM-Height 25.58 m

Standard Tar Painting one coat of approved quality in all floors etc., complete complying with standard specification and as directed by the departmental officers.

Disposal of surplus excavated earth in pipe laying etc.,transporting to the sites specified by Engineer within 5 Km lead, including loading, spreading etc., complete and as directed by the Departmental Engineer.

600 mm DI D/F Duck Foot Bend 90 Deg

Supply, delivery and erection of of Mild Steel Surge tank using Grade E250 quality A Steel paltes as per IS 2062 for Base plates,Shell,cover Dome and stiffner plate.Welding should be Fillet type .Anchor Bolts as per IS 13677 .The work is including cost of materials transportation , scaffolding charges at site for erection,lifting charges,welding charges etc complete and as directed by the Engineer incharge of work.

Total MS plates 1.5 m x 25.6 m Height

MS tank 2.00 m x 22.00 m Height

2032 mm x 16 mm thick MS Double flage pipe-1 m length

Manufacturing, supplying, and delivery of mild steel specials fixtures/ cut lengths / short pipe fabricated from the required thick MS plates for the following specials as per IS 7322/1985 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, internally lined with plant applied cement mortar lining 1:2, with Lining thicknessof 12 mm as per IS 3589:2001 (the cement mortar shall have a minimum cement content of 1000kg/cum) and coating outside with Coal Tar Enamel Wrapping Tape as per IS 15337:2013

MS Surge Tank 2.50 m x 26.60 m Height

Providing and applying (internal Lining) two part food grade polyamide cured solvent less epoxy (food grade Epoxy) meeting BIS 16676 on the internal surface of MS tank after blast cleaning. The minimum dry film thickness(DFT) of internal lining shall be 400 micron(SSPC PA2). The epoxy coating should offer highest resistance to cathodic disbondment and provide excellent adhesion to steel. The rates are including cost of materials and labour etc as directed by the Engineer incharge of works

Painting new iron works with two coat of best approved first quality and colour of synthetic enamel paint over the priming coat including cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Engineer incharge of works)

Providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or GGG 50 as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C 504 or BS 5155 or IS 13095 and with 5 years warranty

1200mm dia 22.5 deg bend

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

750mm dia Pile

Providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

I Depth of 2 m 0 to 2 m

II depth 2 to 3 m

Plane centering

Providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc.,complete as directed by the Departmental Engineers

II depth 2 to 3 m

Plane centering

Providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-30 of specified diameter and length below the pilecap,excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap,.etc.

1200 x 90 Deg Bend

0 to 3.0 m ht

TNHB Sozhinganallur

Madhavaram booster

Surapet

MS Pipes and Spls

100 mm DI D/F Pipe 1 m Length

100 mm DI Gate Valve

600 mm DI D/F pipe-1 m length for inlet

100 mm DI D/f Pipe 1 m Length-for drain

Bill No:- 8 Electo Mechancial

Kilpauk pumps GCC-RMS -Treated Water Pumping Station - Mechanical part

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

The AC three Phase vertical Hollow/Solid shaft Squirrel cage induction motor conforming to IS 325, suitable for the above pump, continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), 6.6 kV Voltage as specified in the specification, (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be overloaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor should be energy efficient for maximum efficiency at a high power factor. Separate thrust bearing assembly could also be supplied to take up the download. The pump head is based on LWL and hydraulic

level at the injection point of the Ring Main System.

2813 m3/h X 37mwc

Providing 700mm MS pipe with suitable taper for connecting Pump delivery of size and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

Providing DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemispherical disc with 59-degree inclination for fast opening and closing. Corrosion-proof and wear-resistant (triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or equivalent grade, medium free(dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge if required at a later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with a minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P it is a resi-coat powder approved for drinking water application, applied through the fusion bonding technology process by dipping the shot-blasted casted components heated up to 200 C). Face-to-face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years warranty, PN 16 rating

Supply and delivery of DI the following diameter D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay microfinished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class. (525922+384564.00)

Providing the following diameter Common delivery MS pipe with flanged branch connections to each pump delivery pipe of size 700 mm as per GA of pumping plant and as per Technical specification

Dismantling the existing equipments including all mechanical items without damage as per particular specification and erection and commissioning of new pumping system as per particular specification and rehabilitation works of minor civil works

Kilpauk pumps GCC-RMS -Treated Water Pumping Station - Electrical part

Providing 11kV High Voltage out-door Chain link fencing with gate including 2 pole structure and metering unit to receive EB supply, including Spreading of materials as per CEIG requirements and specification

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Indoor Four Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 3 nos

Transformer: Supply and commissioning of 11 KV/6600 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/6600 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 2000KVA

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 200KVA

HT MCC Panel: Providing 6.6 KV, 630A HT motor control centre as per SLD and Technical specification, Incomer - 3 nos Buscoupler - 1 nos Outgoing - 6 nos

FCMA Soft Starter Panel: Supply and delivery of suitable KW for 2813 m3/h X 37mwc, indoor automatic air cooled dust and vermin proof FCMA Soft Starter for the operation in suitable KV three Phase 50 HZ, AC supply termination with phase segregated neutral terminal box of the motor , housed in 14 SWG sheet steel enclosure, painted with epoxy or polyurethene , 230V AC 10 Amps control supply , Class B insulation, 300 mm height fabricated pedastal (to prevent water ingress for starter panel) and condensation heater with switch and thermostat, interlocking with running motor with built in facility for run mode/by pass etc. complete. The starter may be provided with contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6 Nos, LED ON/OFF type and Start /Stop push button. for each pump-set, complete in all respect as per the scope of work & specifications.

Capacitor Panel: Providing, installation, testing and commissioning of 200 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc for all 6 pumps in complete as per specification

Providing 11 kV grade, 3C HT cable, XLPE, including laying, indoor terminations, etc complete

1Rx3Cx240 Sqmm, 11 kV grade

1R x 3C x 300 sqmm 6.6 kV grade

1Rx 3C x70 sqmm 6.6 kV grade

1R x3Cx 35 sqmm 6.6 kv grade

1R x 3C x 25 sqmm 6.6 kV grade

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

1R x3.5C x 300 sqmm

1R x3 C x 6 sqmm

Madhavaram booster

3.5 C x4 sqmm

Providing cable Termination, jointing and laying thr cables

100 mm DI Gate Valve

1200 mm Dia DI D/F Butterfly valve

Providing Twin Earthing system for plant in all respect as per specification

1200 mm Dia DI D/F Butterfly valve

Providing Lightning Protection as per specification

Building Services as per specification in complete

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

Providing maintenance Tool as per specification

Providing safety Appliances as per specification

Dismanting the existing equipments including all electrical items without damage as per site Engineer & erection and commissioning of electrical system

Akkarai Booster pumps GCC-RMS -Treated Water Pumping Station - Mechanical plant

The AC three Phase vertical Hollow/Solid shaft Squirrel cage induction motor conforming to IS 325, suitable for the above pump, continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), 420 Voltage specified in the specification, (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be overloaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor offered should be energy efficient to have maximum efficiency at a high power factor. Separate thrust bearing assembly could also be supplied to take up the download. The Pump head is based on LWL and Hydraulic level at the injection point at Ring Main System.

1042 m3/hr x 45 m

Providing suitable taper for connecting Pump delivery of size 400mm and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

Supply and delivery of DI the following diameter D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay microfinished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class. and dismantling joint.(189123+296547.00)

Providing the following diameter Common delivery MS pipe of diameter with flanged branch connections to each pump delivery pipe of diameter 400 mm as per GA of pumping plant and as per Technical specification

Dismanting the existing equipments including all mechanical items without damage as per specification & erection and commissioning of mechanical equipment

Akkarai GCC RMS -Treated Water Pumping Station - Electrical Plant

Supply using LTCT metering box for HT supply asper IE rules and TANGEDCO norms

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Indoor Three Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 2 nos

Providing 11 kV grade, 3C HT cable, XLPE, including laying, indoor terminations, etc complete

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 1200KVA

Construction of Transformer Plinths

Supply and delivery of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V (+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button. Suitable for 1042 m3/hr x 45 m

Capacitor Panel: Providing, installation, testing and commissioning of 70 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

Providing 11 kV grade, 3C x 185 sqmm HT, Al cable, XLPE, including laying, indoor terminations, etc complete

Providing 1.1 kV grade, LT, Al cable, XLPE including laying, indoor termination etc complete

6Rx3.5 C x 400 sqmm

2Rx3Cx300 sqmm for motors

1Rx3C x300 sqmm

4 C x 6 sqmm

3.5 C x 4 sqmm

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

3Rx3.5Cx300 sqmm

Preparation of C

EIG drawings, obtaining Approval and safety certificate including submission of Completion report and rectification report.

Transformer yard earthing using copper flat and TWIN earthing asper IS for Entire Plant

Providing Lightning Protection system for the plant as per specification

Building Services for the following as per specification

Building services distribution boards

Internal lighting including wiring in steel conduits, fittings, and lamps, as detailed in the technical specification complete in all respect/as per norms

External lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

Small power services including industrial/office socket outlets

External socket outlets and associated plant

Ventilation systems including roof fans/wall mounted fans/etc for the pump room and panel room

Air conditioning - 1.5 T (5 Star)

Chembarambakkam GCC-RMS - Treated Water Pumping Station - Mechanical plant

Providing D/F MS pipe of the nominal diameter of 1000 mm for pump suction inlet, fabricated from MS sheet strips of relevant IS specification of approved thickness for PN 10, by welding, laying, aligning, fixing in position as per GA pump room drawing, including bend, bell mouth, jointing materials etc complete and as per Technical specification.

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

Providing, laying, aligning, fixing in position in the pipeline, Resilient Seated D/F DI Sluice valves of approved make, electrically operated and SCADA compatible, class PN 10 & design standard of following dia complete (including jointing & jointing material ) including all material, labour, testing, and commissioning along with pipeline as per Technical Specification & as per direction of Engineer.

The AC three Phase vertical Hollow/Solid shaft Squirrel cage induction motor conforming to IS 325, suitable for the above pump, continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), 6.6 kV Voltage as specified in the specification, (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be overloaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor should be energy efficient for maximum efficiency at a high power factor. Separate thrust bearing assembly could also be supplied to take up the download. The pump head is based on LWL and hydraulic

Providing, aligning, fixing in position and jointing DF MS Expansion joint/dismantling joint (suitable for sluice valves ) as per IS specifications complete of the following sizes including all jointing material, cost of all labour, testing and commissioning as per Technical Specifications and as per direction of Engineer, PN10 rating

2813 m3/h X 37mwc

Providing top horizontal D/F MS taper of size 1000mm x 800 mm (size suitable for the suction side of the pump) along with jointing materials complete.

Supply, delivery, erection and commissioning of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation with AC three phase, 6600 V, 50 Hz, 960/720 RPM motor . The Pump shall be supplied with 150mm dia suction and delivery pressure gauges with isolationing valves.

The drive motor shall be of AC three Phase, 960/720 rpm Horizontal squirrel cage Induction motor conforming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of the pump and suitable for operation with continous S1 rated, 6600 V +/- 10 %, 50 HZ +/- 5%, TEFC, SPDP. The motor offered should be of energy-efficient motor.

3667m3/h X31mwc

Supply and delivery of DI the following diameter D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay microfinished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class. (525922+384564.00)

Providing D/F MS taper of size 800 mm x 600 mm (size suitable for the delivery side of the pump) along with jointing materials complete.

Providing pump delivery system with 800 mm dia D/F MS pipe manifold (PN 16), with branch connections to common delivery pipe and valved washout connection as shown in the GA drawing of pumping system.

Providing DI D/F Slanted seat Tilting Disc Swing Check Valve,PN 16 rating, in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or equivalent grade, medium free(dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years warranty

Providing, aligning, fixing in position, and jointing DF MS expansion/dismantling joint, 16 bar rating, as per IS specifications complete of the following sizes including all jointing material, cost of all labour, testing and commissioning as per Technical Specifications and as per direction of Engineer

Providing DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class, including dismantling joints. (600591+445143.00)

Providing Common delivery MS pipe (2000 mm) and specials as per particular specification with flanged Tee connections to each pump delivery as shown in the GA drawing of pumping station.

Dismantling the existing equipments including all mechanical items without damage as per particular specification and erection and commissioning of new pumping system as per particular specification

Chembarambakkam GCC RMS -Treated Water Pumping Station - Electrical Plant

supply using LTCT metering box for HT supply asper IE rules and TANGEDCO norms

Transformer: Supply and commissioning of 11 KV/6600 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for vo

ltage ratio 11 KV/6600 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 2500KVA

HT MCC Panel: Providing 6.6 KV, 630A HT motor control centre as per SLD and Technical specification, 630A Incomer - 3 nos 1000A Buscoupler - 1 nos 300A Outgoing - 6 nos

FCMA Soft Starter Panel: Supply and delivery of suitable KW for 3667m3/h X31mwc, indoor automatic air cooled dust and vermin proof FCMA Soft Starter for the operation in suitable KV three Phase 50 HZ, AC supply termination with phase segregated neutral terminal box of the motor , housed in 14 SWG sheet steel enclosure, painted with epoxy or polyurethene , 230V AC 10 Amps control supply , Class B insulation, 300 mm height fabricated pedastal (to prevent water ingress for starter panel) and condensation heater with switch and thermostat, interlocking with running motor with built in facility for run mode/by pass etc. complete. The starter may be provided with contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6 Nos, LED ON/OFF type and Start /Stop push button. for each pump-set, complete in all respect as per the scope of work & specifications.

Capacitor Panel: Providing, installation, testing and commissioning of 250 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

1Rx3Cx240 sqmm, 11 kV grade XLPE

1Rx3Cx185 sqmm,11kV grade, XLPE

1Rx3Cx240Sqmm 6.6 kV grade XLPE

1R x3.5 C x120 sqmm 6.6 kVgrade XLPE

1Rx3Cx240 Sqmm, 11 kV grade

1Rx3Cx 35 Sqmm,6.6 kV grade,XLPE

Providing and Laying the following LT XLPE cable, including laying, indoor terminations, etc complete

1Rx3.5C x400 sqmm 1.1 kV grade,XLPE

1Rx3.5C x300 sqmm , 1.1 lVgrade, XLPE

1R x3C x 16 sqmm, 1.1 kV grade, XLPE

1R x4C x6 sqmm 1.1 kVgrade XLPE

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc, in complete for 6 pumps

HT Cable jointing

1R x3Cx 35 sqmm 6.6 kv grade

1R x 3C x 25 sqmm 6.6 kV grade

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

1R x3.5C x 300 sqmm

1200 mm Dia DI D/F Butterfly valve

Providing Lightning Protection system for the plant as per specification

1200 mm Dia DI D/F Butterfly valve

LT Cable jointing

400 sqmm, 3.5 C

300 sqmm, 3.5C

16 sqmm, 3 C

6 sqmm, 3.5 C

a.Building services distribution boards

1000 mm Dia DI D/F Butterfly valve

b.Internal lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

c.External lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

d.Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

e.Small power services including industrial/office socket outlets

f. External socket outlets and associated plant

g. Ventilation systems including roof fans/wall mounted fans/etc for the pump room and panel room

1000 mm Dia DI D/F Butterfly valve

Chembarambakkam GCC-RMS - Treated Water Pumping Station - Mechanical plant

Air conditioning SCADA section - 1.5T(5 star)

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

Madhavaram GCC-RMS - Treated Water Pumping Station - Mechanical plant

Providing D/F MS pipe of the nominal diameter of 400 mm for pump suction inlet, fabricated from MS sheet strips of relevant IS specification of approved thickness for PN 10, by welding, laying, aligning, fixing in position as per GA pump room drawing, including bend, bell mouth, jointing materials etc complete and as per Technical specification.

Providing, laying, aligning, fixing in position in the pipeline, Resilient Seated D/F DI Sluice valves of approved make, electrically operated and SCADA compatible, class PN 1.0 & design standard of following dia complete including all jointing materials, labour, testing and commissioning along with pipeline as per Technical Specification & as per direction of Engineer.

Providing top horizontal D/F MS taper of size 400mm x 300 mm (size suitable for the suction side of the pump) along with jointing materials complete.

Supply, delivery, erection and commissioning of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 420 V, 50 Hz, 1440 RPM. The Pump shall be supplied with 150mm dia suction and delivery pressure gauges with isolationing valves.

1042 m3/hr x 45 m

The drive motor shall be of AC three Phase, 1440 rpm Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated,420 V +/- 10 %, 50 HZ +/- 5%, TEFC, SPDP . The motor offered should be of energy efficient motors

729 m3/h X 38.0mwc

Providing D/F MS taper of size 350 mm x 300 mm (size suitable for the delivery side of the pump) along with jointing materials complete.

Providing pump delivery system with 350 MS pipe manifold (PN 16), with branch connections to the common delivery pipe of diameter 700 mm and valved washout connection as shown in the GA drawing of the pumping system.

Providing DI D/F slanted seat disc swing check valve in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or equivalent grade, medium free(dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and

flange connections as per EN 1092-2/IS and with 5 years warranty, PN 16 rating

350 (Pump delivery system)

700 mm (common delivery pipe)

Transformer: Supply and commissioning of 11 KV/6600 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for vo

Providing, aligning, fixing in position and jointing DI/MS dismantling joint (suitable for sluice valves ) as per IS specifications complete of the following sizes including all jointing material, cost of all labour, testing and commissioning as per Technical Specifications and as per direction of Engineer

Providing DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class, including dismantling joints.

Madhavaram GCC RMS -Treated Water Pumping Station - Electrical Plant

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 750KVA

Supply and delivery of floor mounted type FCMA/electronic type Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button. - Suitable for 729 m3/h X 38.0mwc

Capacitor Panel: Providing, installation, testing and commissioning of 60 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

Providing 1.1 kV grade, LT cable, XLPE including laying, indoor termination etc complete

5Rx3.5Cx400 sqmm

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

2Rx3.5Cx240 sqmm

1Rx3Cx185sqmm

Madhavaram booster

1Rx3 C x120 sqmm

1R x3.5 Cx95 sqmm

100 mm DI Gate Valve

1R x 3Cx 6sqmm

1Rx3C x 4 sqmm

Providing Twin Earthing system for Entire plant in all respect

a.Building Services for the following as per specification

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

b.Building services distribution boards

c. Internal lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

Providing, laying, aligning, fixing in position in the pipeline, Resilient Seated D/F DI Sluice valves of approved make, electrically operated and SCADA compatible, class PN 1.0 & design standard of following dia complete including all jointing materials, labour, testing and commissioning along with pipeline as per Technical Specification & as per direction of Engineer.

d. External lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

e.Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

f.Small power services including industrial/office socket outlets

g. External socket outlets and associated plant

h.Ventilation systems including roof fans/wall mounted fans/etc

Providing suitable taper for connecting Pump delivery of size 400mm and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

i. Air conditioning SCADA section - 1.5T (5 Star)

Dismanting the existing equipments including all electrical items without damage and erection & commissioning of electrical system

Akkarai GCC RMS -Treated Water Pumping Station - Electrical Plant

Supply using LTCT metering box for HT supply asper IE rules and TANGEDCO norms

Providing 11 kV grade, 3C HT cable, XLPE, including laying, indoor terminations, etc complete

Porur GCC-RMS -Treated Water Pumping Station - Mechanical plant

1667 m3/h X 33 mwc

Providing suitable taper for connecting Pump delivery of size and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

Supply and delivery of DI the following diameter D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay microfinished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class. and dismantling joint.(280624+252800)

Providing the following diameter Common delivery MS pipe with flanged branch connections to each pump delivery as per GA of pumping plant and as per Technical specification

Madhavaram GCC RMS -Treated Water Pumping Station - Electrical Plant

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 750KVA

Dismanting the existing equipments including all mechanical items without damage as per specification

Porur GCC RMS -Treated Water Pumpi

Supply and delivery of floor mounted type FCMA/electronic type Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button. - Suitable for 729 m3/h X 38.0mwc

ng Station - Electrical Plant

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 1500KVA

3.5 C x 4 sqmm

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

3Rx3.5Cx300 sqmm

Supply and delivery of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V (+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button. Suitable for 1667 m3/h X 32 mwc

Transformer yard earthing using copper flat and TWIN earthing asper IS for Entire Plant

Providing Lightning Protection system for the plant as per specification

Capacitor Panel: Providing, installation, testing and commissioning of 122 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

Providing 11 kV grade, HT, Al cable, XLPE, including laying, indoor terminations, etc complete

1Rx3C x185 sqmm

1Rx3C x95sqmm

Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

Small power services including industrial/office socket outlets

2Rx3.5C x240 sqmm

e.Small power services including industrial/office socket outlets

2Rx3C x 300 sqmm for motors

1Rx3Cx240 sqmm for capacitor panel

Chembarambakkam GCC-RMS - Treated Water Pumping Station - Mechanical plant

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc in complete for 6 pumps

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

preparation of CEIG drawings, obtaining Approval and safety certificate including submission of Completion report and rectification report.

The AC three Phase vertical Hollow/Solid shaft Squirrel cage induction motor conforming to IS 325, suitable for the above pump, continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), 6.6 kV Voltage as specified in the specification, (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be overloaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor should be energy efficient for maximum efficiency at a high power factor. Separate thrust bearing assembly could also be supplied to take up the download. The pump head is based on LWL and hydraulic

level at the injection point of the Ring Main System.

2813 m3/h X 37mwc

Transformer yard earthing using copper flat and TWIN earthing asper IS to entire plant

Providing 700mm MS pipe with suitable taper for connecting Pump delivery of size and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

Providing 11 kV grade, HT, Al cable, XLPE, including laying, indoor terminations, etc complete

Providing DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemispherical disc with 59-degree inclination for fast opening and closing. Corrosion-proof and wear-resistant (triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or equivalent grade, medium free(dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge if required at a later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with a minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P it is a resi-coat powder approved for drinking water application, applied through the fusion bonding technology process by dipping the shot-blasted casted components heated up to 200 C). Face-to-face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years warranty, PN 16 rating

a. Building Services for the following as per specification

b. Building services distribution boards

e. Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

f. Small power services including industrial/office socket outlets

h. Ventilation systems including roof fans/wall mounted fans/etc for the pump room and panel room

b. Building services distribution boards

i. Air conditioning SCADA section with 1.5 t (5 Star)

Puzhal GCC-RMS - Treated Water Pumping Station - Mechanical plant

The drive motor shall be of AC three Phase, 1440 rpm Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated,420 V +/- 10 %, 50 HZ +/- 5%, TEFC, SPDP . The motor offered should be of energy efficient motors

Providing D/F MS pipe of the nominal diameter of 900 mm for pump suction inlet, fabricated from MS sheet strips of relevant IS specification of approved thickness for PN 10, by welding, laying, aligning, fixing in position as per GA pump room drawing, including bend, bell mouth, jointing materials etc complete and as per Technical specification.

Providing top horizontal D/F MS taper of size 900 mm x 800 mm (size suitable for the suction side of the pump) along with jointing materials complete.

FCMA Soft Starter Panel: Supply and delivery of suitable KW for 3125 m3/h X 31 mwc, indoor automatic air cooled dust and vermin proof FCMA Soft Starter for the operation in suitable KV three Phase 50 HZ, AC supply termination with phase segregated neutral terminal box of the motor , housed in 14 SWG sheet steel enclosure, painted with epoxy or polyurethene , 230V AC 10 Amps control supply , Class B insulation, 300 mm height fabricated pedastal (to prevent water ingress for starter panel) and condensation heater with switch and thermostat, interlocking with running motor with built in facility for run mode/by pass etc. complete. The starter may be provided with contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6 Nos, LED ON/OFF type and Start /Stop push button. for each pump-set, complete in all respect as per the scope of work & specifications.

The drive motor shall be of AC three Phase, 960 rpm Horizontal squirrel cage Induction motor conforming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of the pump and suitable for operation with continous S1 rated, 3300 V +/- 10 %, 50 HZ +/- 5%, TEFC, SPDP. The motor offered should be of energy-efficient motors

3125 m3/h X 31 mwc

Providing DI D/F slanted seat tilting disc swing Check Valve in single piece body and closed eye disc construction. Hemispherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40 or equivalent grade, medium free(dry) shafts of stainless steel and bearings of Zinc-free Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it is a resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/IS and with 5 years warranty, PN 16 rating

Providing DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class, including dismantling joints.(600591+445143.00)

Providing Common delivery MS pipe (2000 mm) and specials as per particular specification with Tee connections to each pump delivery size of 800 mm as shown in the GA drawing of the pumping station.

Puzhal GCC RMS -Treated Water Pumping Station - Electrical Plant

Supply of metering box for HT supply as per IE rules and TANGEDCO norms

Providing Transformer Earthing using copper flat and Twin earthing as per IE rules

1R x4C x6 sqmm 1.1 kVgrade XLPE

Providing 11 kV grade, 3C x 185 sqmm HT cable, XLPE, including laying, indoor terminations, etc complete

1Rx3Cx240 sqmm

1R x3Cx 35 sqmm 6.6 kv grade

1R x 3C x 25 sqmm 6.6 kV grade

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

3Rx3.5Cx300 sqmm

3Rx3Cx185 sqmm

Madhavaram booster

Provid

ing 6.6 kV grade, 3C HT cable, XLPE, including laying, indoor terminations, etc complete

1R x3.5 Cx95 sqmm

1200 mm Dia DI D/F Butterfly valve

100 mm DI Gate Valve

1200 mm Dia DI D/F Butterfly valve

3Rx3Cx400 sqmm

1200 mm Dia DI D/F Butterfly valve

1Rx3C x 4 sqmm

1Rx3Cx70 sqmm

1Rx3.5Cx300Sqmm

Providing Vertical type water lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes, and line shaft indicated in the specification, are based on site conditions prevailing during the investigation. The pump should be supplied with a nonreversible ratchet pin housing a safety clutch, suction strainer, etc. The Pump Bowl assembly shall be with a bronze impeller running at suitable rpm. The pump includes a suitable head shaft, a suitable 1.5 metre long SS line shaft required Nos. to suit the well depth shown in the GA drawing. Rubber line shaft bearing of required Nos., C. I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set, etc complete as specified in the Technical speification. The pump should be coupled with an AC induction motor of following specification. The Pump shall be supplied with 150mm dia delivery pressure gauges with isolationing valves.

1Rx3Cx16 sqmm

4Cx6 sqmm

3.5C x4 sqmm

Providing Cable supports/cable tray/ cable ladder(300mm)/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc, in complete for 6 pumps

Providing Twin Earthing system for plant in all respect

a. Building services distribution boards

1042 m3/hr x 45 m

Providing suitable taper for connecting Pump delivery of size 400mm and the D/F MS delivery manifold, as per specification and as shown in the GA drawing of the pumping system with jointing accessories

b. Internal lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

c. External lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

d. Roadway lighting including wiring in steel conduits, fittings, lamps, as detailed in the technical specification complete in all respect

e. Small power services including industrial/office socket outlets

Supply using LTCT metering box for HT supply asper IE rules and TANGEDCO norms

Providing 11 kV grade, 3C HT cable, XLPE, including laying, indoor terminations, etc complete

g. Ventilation systems including roof fans/wall mounted fans/etc

1667 m3/h X 33 mwc

h. Air conditioning SCADA section - 1.5T (5 Star)

1Rx3Cx 35 Sqmm,6.6 kV grade,XLPE

Providing Common delivery MS pipe (2000 mm) and specials as per particular specification with Tee connections to each pump delivery size of 800 mm as shown in the GA drawing of the pumping station.

1Rx3.5C x400 sqmm 1.1 kV grade,XLPE

Supply of metering box for HT supply as per IE rules and TANGEDCO norms

Providing Transformer Earthing using copper flat and Twin earthing as per IE rules

1R x4C x6 sqmm 1.1 kVgrade XLPE

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc, in complete for 6 pumps

Surapet pumps GCC-RMS -Treated Water Pumping Station - Mechanical plant

5Rx3.5Cx400 sqmm

1R x3.5C x120 sqmm 6.6 kV grade

1R x3.5 C x300 sqmm

3Rx3.5Cx300 sqmm

The AC three Phase vertical Hollow/Solid shaft Squirrel cage induction motor conforming to IS 325, suitable for the above pump, continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), Voltage specified in the specification, (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be overloaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor offered should be energy efficient to have maximum efficiency at a high power factor. Separate thrust bearing assembly could also be supplied to take up the download. The Pump head is based on LWL and Hydraulic level at the injection point at Ring Main System.

833 m3/h X 31 mwc

Supply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay microfinished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrantSupply and delivery of DI D/F Butterfly Valves with GGG 40 or equivalent grade as per IS3896 (Part 2) 1985 and subsequent revisions Double eccentrically disc with renewable soft seal on the disc and body seat face of Stainless Steel / nickel weld overlay micro finished with powder or liquid Epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside Face to Face dimensions as per AWWA C504 or BS 5155 or IS 13095 and with 5 years warrant & the valve shall be electrically operated Actuator and SCADA compatible, PN 16 Class. and dismantling joint. (189123+296547)

Dismanting the existing equipments including all mechanical items without damage as per specification and erection and commissioning of all mechanical equipment and rehabilitation of minor civil works

Surapet GCC RMS -Treated Water Pumping Station - Electrical Plant

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Outdoor Three Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 2 nos

Transformer: Supply, installation and commissioning of 11 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter including construction of plinth - 400KVA

Supply and delivery of floor mounted type FCMA/electronic type Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button. - Suitable for 833 m3/h X 31 mwc

Capacitor Panel: Providing, installation, testing and commissioning of 56 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

5Rx3.5 C x 400 sqmm

1Rx3Cx400 sqmm for motors

3C x240 sqmm

3.5 C x 6 sqmm

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc, in complte for 3 Pumps

Dismanting the existing equipments including all mechanical items without damage as per specification and erection and commissioning of all mechanical equipment and rehabilitation of minor civil works

Surapet GCC RMS -Treated Water Pumping Station - Electrical Plant

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Outdoor Three Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 2 nos

Transformer yard earthing using copper flat and TWIN earthing asper IS

h. Air conditioning SCADA section-1.5 t capacity(5 Start)

Bill No:- 9 Scada

Master Control Centre at CMWSSB

Master SCADA Room with Servers, Work stations, Control desk, UPS panel, LED Video Walls, Chairs and misc. items at CMWSSB office a) Server Cum Work stations - 4 nos b) SCADA Software package (Unlimited tag version) & Historian Software c) UPS panel d) Multifunction Colour Printer cum Scanner e) Managed Ethernet Switches f) Industrial Router (Redundant GPRS Wireless Gateway) g) 60" LED Screen - 2 nos h) BroadBand Connection with static IP. i) GateWay Router for Cloud Storage. Including, installation, testing and commissiong in etc complete as per specification and desired by Engineer Incharge

Capacitor Panel: Providing, installation, testing and commissioning of 56 kVAr capacitor control panels, housing power factor control system panel/capacitors, other accessaries including all internal cabling and cable/bus-bar from switchyard, up to panels, etc, complete in all respect as per the scope of work & specifications.

1Rx3Cx400 sqmm for motors

3C x240 sqmm

3.5 C x 6 sqmm

Earthing(Copper Plate) as per ISI specifications with necessary masonary work.

Supply and connection of Copper earthing conductor including two coats of approved painting and laying between earth pit and equipment.

Source ( Pumping Stations)

PC Based SCADA Server with Software and Control Desk (Processor - I5, RAM-8G, HDD-1TB, Integral graphics card, Licenced software, etc ) along with UPS(3KVA), Multi-Jet Printer and Communication device with required hardware, software e

tc complete as per specification and desired by Engineer Incharge

Flow Meter: Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow with required specials to maintain 3D/5D. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished with 5 years Warranty. as per instrument list

Providing, Installation, Testing and Commissioning of Pressure Transmitter : Range: 0-10 Bar / Power Supply: 24 V DC / Output: 4-20 mA with HART / Diaphragm: SS316L / Process Connection: 1/2 "NPT (M) / Accuracy: 0.15% Protection: IP68, etc complete as per specification

Providing, Installation, Testing and Commissioning of TURBIDITY ANALYSER for Water Application : Turbidity Measuring range: 0 to 100 NTU ; Accuracy:+/-2% of reading or +/-0.02NTU; Compliance to US EPA180.1, With inbuilt transmitter with 4-20 mA output ,Relay contacts & Modbus communication, etc complete as per specification.

Dismanting the existing equipments including all mechanical items without damage as per specification and erection and commissioning of all mechanical equipment and rehabilitation of minor civil works

Surapet GCC RMS -Treated Water Pumping Station - Electrical Plant

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Outdoor Three Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 2 nos

Providing, Installation, Testing and Commissioning of CONDUCTIVITY ANALYSER for Water Application : Accuracy:+/-2% of reading or +/-0.02NTU; Compliance to US EPA180.1, With inbuilt transmitter with 4-20 mA output ,Relay contacts & Modbus communication, etc complete as per specification.

Providing, Installation, Testing and Commissioning of ULTRASONIC LEVEL TRANSMITTER for Water Application : Principle : Time of Flight / Sensor MOC PP / Power Supply: 24 V DC / Output: 4- 20mA / Display: Integral display for programming and Display Reading with IP 65, etc complete as per specification.

Cabling with required support and cable trays(FOC, Ethernet, Power and Signal cables) for all locations

Injection Point into Ring Main

Supply and delivery of the welded MS pipes and Specials suitable for joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

800 mm Dia DI D/F Butterfly valve

1000 mm Dia DI D/F Butterfly valve

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

RTU Panel(IP68): Modular RTU complete with DI, DO, AI and modbus communication ports and power supply 24 VDC or for variable power supply using batteries, rechargeable batteries, solar or 10.8 V DC to 28.8 V DC with integrated modem; connection to control center via Tele Control Basic, DNP3, IEC60870-5-104 and Communication pro

tocols, onboard I/Os min. (8 DI, 6 DQ, 8 AI), configuration and diagnostics per web interface, RJ45 port, mobile communications antenna (GSM/UMTS), Mini SIM card, with adapter Micro SIM card also, data storage, GPRS (Multi-slot Class 10), 35 mm DIN rail mounting, TCP/IP, DNP 3, Open VPN-Client. Panel Enclosure for Compact RTU Location, wall/floor mounted along with wiring and related accessories and arrangement of mounting of RTU, Modem having IP-5X Protection. Panels shall be self-fabricate type only with Canopy., etc complete as per specification and desired by Engineer Incharge

Providing, Installation, Testing and Commissioning of Pressure Transmitter : Range: 0-10 Bar / Power Supply: 24 V DC / Output: 4-20 mA with HART / Diaphragm: SS316L / Process Connection: 1/2 "NPT (M) / Accuracy: 0.15% Protection: IP67, etc complete as per specification.

Flow Meter: Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow with required specials to maintain 3D/5D. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished with 5 Years Warranty. as per instrument list

Supply and delivery of the welded MS pipes and Specials suitable for joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

800 mm Dia DI D/F Butterfly valve

f. External socket outlets and associated plant

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

EB Power Supply

Supplying and fixing of following capacity Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete as per TANGEDCO which includes LT meter panel board

Capacity of M.V. Panel - 63 Amps

1Rx3Cx400 sqmm for motors

3C x240 sqmm

3.5 C x 6 sqmm

Providing Cable supports/cable tray(300mm)/ cable ladder/LCU/junction boxes/emergency stop push-buttons/isolators/all necessary supports/etc, in complte for 3 Pumps

Transformer yard earthing using copper flat and TWIN earthing asper IS

63 A FP MCCB 25 kA (Incomer for EB and Solar) - 2 nos

Injection Point into Ring Main

Supply and delivery of the welded MS pipes and Specials suitable for joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

800 mm Dia DI D/F Butterfly valve

f. External socket outlets and associated plant

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

EB Power Supply

RTU Panel(IP68): Modular RTU complete with DI, DO, AI and modbus communication ports and power supply 24 VDC or for variable power supply using batteries, rechargeable batteries, solar or 10.8 V DC to 28.8 V DC with integrated modem; connection to control center via Tele Control Basic, DNP3, IEC60870-5-104 and Communication pro

Supplying and fixing of following capacity Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete as per TANGEDCO which includes LT meter panel board

32 A TPN MCCB 10 kA - 5 nos

Solar Panel with Invertor: Designing, Supplying, installing commissioning & testing of photovoltaic solar panel with its charger, MS Stand for mounting solar panel so as to have maximum exposure of sunlight for desired location and maintenance free battery with 7 days battery backup. - 1KVA

Supplying and laying following LTUG cables in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed or in trench using cable trays with necessary support.

DO - 4 core 6 sq.mm. for Aux.supply

Supplying and fixing of cable gland and termination with Aluminium cable lugs for following PVC UG cable and with earth connection

DO - 4 core 6 sq.mm

Flow Meter: Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow with required specials to maintain 3D/5D. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished with 5 Years Warranty. as per instrument list

Supply and delivery of the welded MS pipes and Specials suitable for joints (such as bends,Tees & tapers etc., with inside CM lining /epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322- 1985 etc. complete and as directed by Departmental Engineer

800 mm Dia DI D/F Butterfly valve

f. External socket outlets and associated plant

1200 mm Dia DI D/F Butterfly valve

1600 mm Dia DI D/F Butterfly valve

EB Power Supply

RTU Panel(IP68): Modular RTU complete with DI, DO, AI and modbus communication ports and power supply 24 VDC or for variable power supply using batteries, rechargeable batteries, solar or 10.8 V DC to 28.8 V DC with integrated modem; connection to control center via Tele Control Basic, DNP3, IEC60870-5-104 and Communication pro

Supplying and fixing of following capacity Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete as per TANGEDCO which includes LT meter panel board

32 A TPN MCCB 10 kA - 5 nos

Solar Panel with Invertor: Designing, Supplying, installing commissioning & testing of photovoltaic solar panel with its charger, MS Stand for mounting solar panel so as to have maximum exposure of sunlight for desired location and maintenance free battery with 7 days battery backup. - 1KVA

1Rx3Cx400 sqmm for motors

3C x240 sqmm

3.5 C x 6 sqmm

Earthing(Copper Plate) as per ISI specifications with necessary masonary work.

Supply and connection of Copper earthing conductor including two coats of approved painting and laying between earth pit and equipment.

Instruments Cabling Works

Source ( Pumping Stations)

PC Based SCADA Server with Software and Control Desk (Processor - I5, RAM-8G, HDD-1TB, Integral graphics card, Licenced software, etc ) along with UPS(3KVA), Multi-Jet Printer and Communication device with required hardware, software e

tc complete as per specification and desired by Engineer Incharge

Flow Meter: Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow with required specials to maintain 3D/5D. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished with 5 years Warranty. as per instrument list

WDS(Water Distribution System)

Providing, Installation, Testing and Commissioning of Pressure Transmitter : Range: 0-10 Bar / Power Supply: 24 V DC / Output: 4-20 mA with HART / Diaphragm: SS316L / Process Connection: 1/2 "NPT (M) / Accuracy: 0.15% Protection: IP68, etc complete as per specification

Providing, Installation, Testing and Commissioning of TURBIDITY ANALYSER for Water Application : Turbidity Measuring range: 0 to 100 NTU ; Accuracy:+/-2% of reading or +/-0.02NTU; Compliance to US EPA180.1, With inbuilt transmitter with 4-20 mA output ,Relay contacts & Modbus communication, etc complete as per specification.

Design, Manufacture, Supply, Installation, Testing and Commissioning of Indoor type PLC Panel,Fabricated out of min. 2 mm thick CRCA sheet complete with latest configuration, necessary programming software for PLC & SCADA with 20% spare and com

Surapet GCC RMS -Treated Water Pumping Station - Electrical Plant

HT Panel: Providing 11 KV, 25 KA, 630 A, HT Outdoor Three Panel Vacuum Circuit Breaker complete as per specification Incomer - 1 no Outgoing - 2 nos

Flow Meter: Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow with required specials to maintain 3D/5D. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished with 5 years warranty. as per instrument list

"Manufacturing, supply and delivery of DI D/F Flow Control valve(SCADA compatible - i.e solenoid valve operated) with one piece body of ductile cast iron of grade GGG-40, all internal parts of stainless steel. Piston guides of bronze welded overlay & micro-finished and bearing bush of zinc free Bronze. Valve/profile sealing seat shall be in the no-flow zone. Double sealing effect between the body and the plunger shall be by Quadring Seal (twist free operation). The valve shall be designed to operate smoothly throughout the specified flow range without cavitation. Corrosion protected medium free bearing in the body by way of double O-ring seal and encapsulated shaft seal. There shall be no obstacles in the main flow passage except the plunger and the attached control cylinders. Plunger shall be by means of stainless steel crank drive mechanism. Faceto-face dimensions EN558-1 basic series 15 and 1.5X DN from DN500 and flange connections as per EN1092-2/ISO 7005[DIN]" and with 5 years warranty as per specification

Providing, Installation, Testing and Commissioning of Pressure Transmitter : Range: 0-10 Bar / Power Supply: 24 V DC / Output: 4-20 mA with HART / Diaphragm: SS316L / Process Connection: 1/2 "NPT (M) / Accuracy: 0.15% Protection: IP68 , etc complete as per specification.

RTU Panel(IP68): Modular RTU complete with DI, DO, AI and modbus communication ports and power supply 24 VDC or for variable power supply using batteries, rechargeable batteries, solar or 10.8 V DC to 28.8 V DC with integrated modem; connection to control center via Tele Control Basic, DNP3, IEC60870-5-104 and Communication protocols, onboard I/Os min. (8 DI, 6 DQ, 8 AI), configuration and diagnostics per web interface, RJ45 port, mobile communications antenna (GSM/UMTS), Mini SIM card, with adapter Micro SIM card also, data storage, GPRS (Multi-slot Class 10), 35 mm DIN rail mounting, TCP/IP, DNP 3, Open VPN-Client. Panel Enclosure for Compact RTU Location, wall/floor mounted along with wiring and related accessories and arrangement of mounting of RTU, Modem having IP-5X Protection. Panels shall be self-fabricate type only with Canopy., etc complete as per specification and as desired by Engineer Incharge

DO - 4 core 6 sq.mm. for Aux.supply

Earthing (Copper Plate) as per ISI specifications with necessary masonary work.

Cabling Works

Supply, Installation, Testing and Commissioning of 5MP IP Bullet / Dome Camera with inbuild Sim Card and SD card Support(15 days onboard storage)

WDS - 4 nos at each locations

Supply, installation, testing and commissioning of Monitoring software video surveillance all channels real-time live monitoring simultaneously The VMS shall support client applications including System client, Web client, Video wall management client and mobile client, The VMS shall support login by user name and password. It shall also manage all user information, permissions, license, operation information and system information, The VMS shall support unified time synchronization among all devices in the system and daily user and maintenance information management,

Supply, Installation, Testing and commsissiong of 6 Metre Length Single Bracket Pole with Base Plate (250 x 250 x 6mm) 76.10mm OD x 3.65mm Thick to install the camera with accessories.

Bill No:- 10 Initial Enviromental Examination (IEE)

EHS Engineer

per month

Subtotal (A)

Mitigation Measures

Tree Plantation with 3 years of maintenance, including FRP tree guards 0.5 m Dia x 1.5m

Safety: Providing iron barricading of size 2.5m width and 1.75 m height including danger flags, danger lights, reflectors, fixing stickers etc as per standard specifications

314552 RM @ Rs 97/m

CRZ area pipe carrying bridges: Creation of Vettiver (Chrusopogon zizanniodes) for soil stabilization to strengthen the bunds.

Lump sum

Subtotal (B)

Monitoring Measures

Air quality monitoring: Three seasons in a year for 4 years

per sample

Noise levels monitoring

Sub Total