Providing sewerage facility by constructing collection cum pumping well with pumping main arrangements at Varalakshmi Nagar in depot 144, Area XI.

Amount

Providing sewerage facility by constructing collection cum pumping well with pumping main arrangements at Varalakshmi Nagar in depot 144, Area XI.

Bill No.I:Construction of Collection cum Pumping well with valve chamber and pannel room at Varalakshmi Nagar, Depot 144

Bill No.I: 1).Construction of Screen cum Suction well (2.5m dia)

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.

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth or earth mixed with small size boulders and hard gravely soil as per SS20B with initial lead of 10m and lift of 2m etc. complete.

For 0 to 2 m depth

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including shuttering for RCC well curb and well steining.

From 1 m above ground level to 3.0 m below ground level

5 m to 6 m above invert of well

5 m to 6 m below GL

Providing and laying in position machine batched machine mixed and machine vibrated design mix. Sulphate resistance cement concrete M30 grade (M sand) 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, Mixer, vibrator, etc. as per standard specification and as directed at site

From 1.5 m above ground level to 1.5 m below ground level

From 1.5m to 4.5m below ground level

From 4.5m to 9.0m below ground level

Cement concrete 1:2:4 using Crushed stone sand (M-sand) and 20mm gauge hard broken stone jelly & SRC for plain concrete works including laying ramming curing, etc., complete..

4.5m to 9m depth

Providing point edge to well curb using ISA 200x150x16 mm of weight 42.20 kg/m

Sinking of well below water level including all incidental charges using special tools and plants such as air compressior, helmet etc., complete and including baling out water.

2.5 m dia well

First depth of 2m

Second depth of 2m

Plugging the bottom of the well using C.C 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly with 10% excess cement for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing etc complete

4.5m to 9m depth

Supplying, fabricating CRS bars manufactured by Primary steel including cost of steel, binding wire, cutting, cranking and tying, in position with binding wire assembly etc complete.

Plastering with cement mortar 1:3 (SRC) using Crushed stone sand (M-sand) for 20mm thick including curing, etc., complete

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

Refilling with excavated earth complying with standard specifications for filling in foundations & basement other than sand including watering & consolidating etc.,

Disposal of surplus earth

Supply and erection of Cast Iron single faced manually operated non rising type 250mm dia penstock with extension rod of 5m length conforming to relevant IS with IS markings on it, having cast iron door and frame with Gunmetal seating, spindle made of Stainless steel, CI head stock with gear arrangment and hand wheel fitted in well.

Supplying and fixing SS screen of grade 316. The screen shall be fabricated out of stainless steel flats of 50 x 10mm. The outer frame also shall be of 50 x 10mm fixed inside the well for seating the screen. The screen shall be so fabricated that the inclined portion of the screen is fixed and the horizontal portion of the screen is a removable one for lifting the pump for maintenance purpose. Outer frame and 50x10mm SS flats spaced at 35mm centre to centre to serve bar screens inside the screen well

Supplying and fixing C.I.steps.

Supplying and fixing FRC cover and frame of size 60x60cm including necessary masonry work and plastering etc complete.

Precast slab 200mm thk in Cement Concrete using M30(SRC) for reinforced cement concrete works including cost of steel, centering, shuttering and cost of steel reinforcement and including laying in position, compacting, curing, finishing,as per drawings,or as directed etc., complete.

Supplying and fixing PVC water bar, 150 mm wide for construction joint

Road cut

Cutting Asphaltic Road

Non Bus route

Odour control unit

Bill No.I: 2).Construction of Valve Chamber

Earth work excavation in all kinds of soils except hard rock requiring blasting inclusing of shoring strutting and bailing out water whereever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated depositing surplus earth within in compound in places as shown by the departmental officers clearing and levelling the site with initial lead of 10mts. and lift of 2m etc. complete.

Upto 2 m below GL

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

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

From 1.5 m to 4.5 m below GL

Providing formwork with centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3.0m high etc complete complying with standard specifications.

Upto 3 m below GL

Providing and laying in position machine batched machine mixed and machine vibrated design mix. Sulphate resistance cement concrete M25 grade (M-sand) 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, Mixer, vibrator, etc. as per standard specification and as directed at site

Upto 1.5 m below GL

From 1.5 m to 4.5 m below GL

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

Cement concrete 1:2:4 using Crushed stone sand (M-sand) and 20mm gauge hard broken stone jelly for plain concrete works including laying ramming curing, etc complete

From 1.5 m to 4.5 m below GL

Precast slab in Cement Concrete 1:2:4 using 12-20mm BG jelly for reinforced cement concrete works including cost of steel, centering, shuttering and cost of steel reinforcement and including laying in position, compacting, curing, finishing, etc., complete. (100 mm thk)

Plastering with cement mortar 1:3 using Crushed stone sand (M-sand) & SRC for 20mm thick including curing, etc., complete

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

Refilling with excavated soil (other than sand) compling with standard specification for filling in foundation and basement etc. complete

Disposal of surplus earth

Supplying and fixing C.I.steps.

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.

Road cut

Cutting Asphaltic Road

Non Bus route

Bill No.I: 3).PIPES AND SPECIALS FOR SUCTION WELL

80 mm dia CI d/f duckfoot bend

100 x 80 mm CI D/F taper

100 mm dia CI - 2.5m d/f pipe

100 mm dia CI - 2.0m d/f pipe

100 mm dia CI - 1.0m d/f pipe

100 mm dia CI d/f 90 deg bend

100 mm dia CI - 2.0m d/f pipe

100 mm dia CI - 0.5m d/f pipe

100 mm dia CI sluice valve

100 mm dia CI - 0.5m d/f pipe

100 mm dia CI non-return valve

200x100mm CI A/F tee

200 mm dia CI - 0.5m d/f pipe

200 mm dia CI sluice valve

200 mm dia CI fl/spi TP

200 mm dia Blank flange

Jointing the C.I.Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete and testing the pipies to the required pressure with water (including cost of jointing materials) For depth upto 2m,

200mm dia

100mm dia

80mm dia

Bill No.I: 4).INTER CONNECTION WORK BETWEEN SCREEN / GRIT WELL & SUCTION WELL

Supply, delivery of CI socket spigot pipes of LA class including rubber gaskets as per the latest revision of IS 1536, laying, jointing and testing CI pipes (LA class) including earth work excavation for trenches in hard stiff clay, black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and initial lift of 2m, lowering the pipes in to the trenches, aligning, making rubber joints, testing CI pipes, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth including timbering the trenches for the depths of 2.5m and above, pumping out sub soil water etc., complete. (For Gravity Sewers) at average 3.5 m

Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly & SRC for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing, etc., complete for End concrete. 1.5m to 4.5m below GL

Providing formwork with centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3.0m high etc complete complying with standard specifications

Bill No.I: 5).CONSTRUCTION OF KIOSK

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales muram, gravel stoney earth and earth mixed with small size boulders and hard gravelly soil as per SS 20B with initial lead of 10 mts and lift of 2.00 mts.

Supplying and filling sand for foundation and basement including watering consolidating ramming etc. complete ( M sand )

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

Stock brick work with second class bricks in C.M 1:4 for 23cm thick wall including curing etc. complete. ( M sand )

a) 1.5m above GL and 1.5m below GL

b) ground floor

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

Plastering with cement mortar 1:4 for 12mm thick including curing etc. complete (M sand )

Supplying and providing chain link fence with RCC post. The RCC posts will be of 2.5m c/c and of 2.75m height. The post will be 100mm square at top and 150 sq.mm at bottom, 2.15m height above ground level and 0.60m below ground level fixed in CC foundation in 1:4:8 of 40mm size stone jelly used. The foundations is of size 45x45x90cm including sand and filling of 15cm height. The fencing will be of chain link 75mm size 10 gauge. The height of fence is 2m after leaving 75mm gap from ground level including fixing the fence with the post using GI binding wire etc. complete.

Supply and delivery of M.S.Kiosk with door arrangements of size 3m x 3m x 3m as per drawing, made up of MS angles alround and roof covered with MS sheet 2mm thick including cutting, welding, grinding, painting with one coat priming coat and two coats of ready mixed paint of superior quality of grey or any other colour, locking arrangements and labour charges etc. complete.

Supply and delivery of gate of size 2m x 2m as per drawing, made up of GI pipes alround and door made up of MS sheet 2mm thick and MS flats 25mmx10mm including cutting, welding, grinding, locking arrangements and labour charges etc. complete.

Bill No.I: 6) RTK SURVEY ABSTRACT

SCENARIO- 2: TBM Available Where the Site has already been surveyed and maps available in UTM Zone44 coordinate system with TBM available on ground or coordinates of other assets available on Ground.

The Contractor must obtain the existing Static GCP points from CMWSSB which should be considered as the control point with known coordinates X, Y and Z. Survey consultant to ensure the closing error is within permissible limits (SoI Standards) while transferring the levels from the existing Static GCP points and the same to be presented as a report. The same process shall be adopted for random verification of positional accuracy of points established using the PBMs as base. 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 utilities1 The Contractor must obtain the existing Static GCP points from CMWSSB which should be considered as the control point with known coordinates X, Y and Z. Survey consultant to ensure the closing error is within permissible limits (SoI Standards) while transferring the levels from the existing Static GCP points and the same to be presented as a report. The same process shall be adopted for random verification of positional accuracy of points established using the PBMs as base.

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 utilitiesshall 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:

(a) For the Underground / Surface Assets along the roads for the distance ranging from:

RTK Survey for the Underground sewer system along the roads for the distance <15Km

Survey for the surface assets like SPS, LS, etc

Bill No.II:Supplying and Fixing of submersible pumpsets and all electrical equipments in pumping well at Varalakshmi Nagar in depot 144

Supply, delivery, erection, testing and commissioning of non-clog submersible sewage pumpset with following duty point, including required capacity 3 Ph, 415 V, AC, 50 Hz, Electrical Motor with suitable weather proof cable (Copper ) of total length of 35 m, control panel, Pedestal Coupling, guide wire / guide pipe (GI-50 mm dia) of length 10m, M.S.(GLVD) lifting chain of length 10m, necessary level controlling probes with sufficient length of armoured copper LTUG cable to connect the probe from the junction box to the control panel, fasteners including laying of pump cable under ground with suitable conduit and clamping on walls / trays and incidental civil works etc.complete.

Pump 1 - 1560 lpm against a total head of 16 m

Supply, delivery, erection, testing and commissioning of following sizes of power shunt capacitor for power factor improvement, suitable to operate on 415V, 3Ph,50Hz A/C supply, on suitable angle iron frame-works (37.5 mm x 37.5 mm x 6.24mm ) at a height of 0.25m from the ground, including earthing and incidental civil works etc., complete.

Pump 1 - 4 kVAR

Supplying and fixing of 32 Amps Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete.

Supplying and fixing of 32 Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

Supplying and clamping of variuos sizes of PVC insulated PVC sheathed armoured aluminium LT UG cable by MS clamps on wall or 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.

From 32 Fuse Carriers to 32 Amps SFU & from there to 32 Amps MCCB Switch of MV panel (Wall)

size 4C, 6 Sqmm

From Control Panel of DG to 32A MCCB of MV Panel (Under ground)

size 4C, 6 Sqmm

From 32 A MCCB of MV Panel to Control Panel of Pump 1 (Wall)

size 4C, 6 Sqmm

From 32 A MCCB of MV Panel to Pump 1 Capacitors (Wall)

size 3C, 10 Sqmm

From 32A MCB of MV Panel to LDB and PLC Panel (Wall) size 4 core 10 sq.mm

From control Panel of Pump to Local P.B. Station and for PLC signal cables size 3 core 2.5 sq.mm copper (Under ground)

Supplying and fixing of cable gland and termination with Al. cable lugsfor the following sizes of PVC insulated PVC sheathed armoured alumunium LT UG cable and with earth connection.

size 4C, 6 Sqmm (EB)

size 4C, 6 Sqmm (DG)

Size 4C, 6 sq.mm (Pump 1)

size 3C, 10 Sqmm (Pump 1 capacitor)

Size 4 core 10 sq.mm (LDB & PLC)

size 3 core 2.5 sq.mm copper

Supply delivery and fixing of out door weather proof junction box fabricated in MS sheet steel (12 SWG for front 14 SWG for other sides) near the suction well for terminating the Pump power cable and control cable on an angle iron frame at convenient height for working and above the local MFL with provision for terminal block & earthing as per IS including incidental civil works etc.,complete.

For Pump 1

Supply, delivery and fixing of out door wheather proof Local Push Button station in the compartment provided in the Junction Box with 1 No"ON" and 1 No "OFF" push buttons (the "OFF" push button shall be locable in "OFF" position).

Supply, delivery and erection of Single Phase 6 way 16 Amps, 10kA LDB with the following: 1 No. of 16A DP Isolator 1 No. of 16A, DP RCCB 4 Nos of 6A, SP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

Run of 2 of 2.5 sq mm PVC unsheathed copper single core cable in PVC pipe for mains with continuous earth connection by 14 SWG wire From the MCB DB to the Switch boards in office, store,and 16A power socket.

Wiring with 2.5 sq mm PVC insulated single core copper cables of 650 V Grade on suitable rigid PVC pipe on wall and ceiling with PVC accessories, with MS switch box covered with 3 mm thick hylam sheet with continous earth wire connection of 14 SWG TC wire.

Light points

Fan Points

Lighting Fixtures

Supplying and fixing of box type 4’ 20W single LED fitting complete with TW round block and tube on ceiling or wall with connection.

Supplying and fixing of 18 Watt LED lamp with round type LED Troffer recessed mounted fitting complete.

Supplying and fixing of 12" sweep AC exhaust fan complete including providing necessary opening in the wall.

Supply and fixing of 48" sweep AC ceiling fan complete with regulator with lm down rod (stem pipe) including supplying and fixing of fan clamp with side plates and cross arms.

a) Supply and erection of 1 No 3" dia 2 m long tubular Wall Mounted post with complete 120W LED lamp with necessary fitting and other accessories etc.

Supplying and clamping of PVC , LTUG cable by M.S.clamps on wall for 2 core 4 sq.mm

Suppling and fixing of cable gland and termination with earth connection for 2 core 4 sq.mm

Supplying and fixing of 15 amps, single phase, DP SFU switch with F&N on suitable TW Board with earth connection only

a) Supply and erection of 1 No 3" dia 5 m long tubular Pole Mounted post with complete 250W sodium vapour lampwith necessary fitting and other accessories etc.

Supplying and laying of PVC , LTUG cable under ground 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 for 2 core 4 sq.mm

Supplying and clamping of PVC , LTUG cable by M.S.clamps on wall for 2 core 4 sq.mm

Suppling and fixing of cable gland and termination with earth connection for 2 core 4 sq.mm

Supplying and fixing of 15 amps, single phase, DP SFU switch with F&N on suitable TW Board with earth connection only

Supply and delivery of the following safety equipment a) 5 kg capacity ISI marked dry chemical powder type fire extinguisher

First Aid box ( medium)

Fire bucket - 3 Nos with MS stand

Rubber mat 6mmthick of 1.1 kv grade of size 2m x 1m

Fire safety rules chart

Shock treatment chart

Caution / Danger Board

Supply and delivery of the following tools:

Double ended open jaw spanner set of size in mm 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22, 20x23 24x27, 25x28 & 30x32

Ring spanner set of size in mm 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22 20x23 24x27, 25x28 & 30x32.

Screw driver of size 12 inches

Cutting plier of size 8 inches

Electrical tester

Diesel Filling Pump (Hand operated )

Measuring Dip Rod (MS) (for measuring 200 ltr. standard Barrel )

Hack Saw frame with blade

Lever type Grease gun

Supply and delivery of Rechargeable emergency lamp with 600mm Fluorocuent lamp, dry type rechargable battery etc.,complete.

Earthing as per ISI specifications with necessary masonary work

Supply and connection of earthing conductor including two coats of approved painting and laying between earth pit and equipments

25 x 6 mm GI Flat

40 x 6 mm GI Flat

Supply, Delivery, erection, testing and commissioning of PLC Control Panel including the Remote Terminal Unit/ Programmable Logic Controller (RTU/PLC), Human Machine Interface (HMI), GPRS modem, 1 kVA UPS and accessories along with mounting assembly & cables including installing the PLC programming package and interconnecting with the existing SCADA System at Centralized Monitoring Location (the software will be provided by CMWSSB) as directed by Engineer and interconnecting with the ultrasonic level transmitters, electromagnetic flow meters and with existing MV panels, Capacitor panels at each sewage Pumping Station to switch ON/OFF the pumps based on level feedback, Switch ON/OFF the existing capacitor bank to maintain Powerfactor as per EB norms, and to monitor EB/ DG supply including incidental civil works etc., complete.

Supply, Delivery, erection, testing and commissioning of Ultrasonic Level Transmitter of range 0 - 15 meters in the collection well with necessary mounting arrangements including incidental civil works etc complete.

Operation and maintenance of the installation: Operation and maintenanceof the plant with all auxiliary equipment for a period of 120 days after satisfactory supply, erection , commissioning and operating the entire plant for 30 days, free of cost by the contractor before handing over the plant to the Board.

Bill No.III:Providing 250mm dia CI pumping main from pumping station (Varalakshmi Nagar) to Viswasa Nagar

Bill No.III: 1).Supplying and Laying 200 mm dia CI pumping main from Varalakshmi Nagar Roadside SPS to CMBA SPS

Supply Laying ,Jointing 200 mm dia CI S/S pipes (A class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m, carting the pipes to the site of work lowering in to the trenches, aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 1.5m

Supply, conveying and fixing CI specials like Tee, Bends and Tapers as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

200 mm D/Soc CI 90o Bend

200 mm D/Soc CI 22.5o Bend

80mm Sluice valve

80mm Double Air valve

Specials for 80 mm Air valve

200 mm x 80 mm D/Soc/Fl Tee

Construction of Air valve chamber of size 2.0m x 1.2m x 2.5m including providing and fixing L.S. cover and frame of size 60 x 60cm

80 mm Dia Double Air valve

Jointing the CI specials with molten lead and yarn including caulking the joints and testing to the required pressure with water. (Including cost of Jointing materials)

Cutting C.I Pipes

200 mm dia

Cutting Asphaltic Road

Non Bus Route

Jointing the double flanged specials with rubber insertion to the required specifications with M.S bolts and nuts, complete.

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 M.S./C.I./P.V.C./D.I pipes with hydraulic testing equipment by filling with water(including cost of water@ Rs.84/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete for 200mm dia pipe

Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for PCC works excluding centering, shuttering, compacting, curing, finishing etc complete.

For Bed Block

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the CI pumping main including the cost of shuttering, compaction, curing etc. complete.

200 mm D/Soc CI 90o Bend

200 mm D/Soc CI 22.5o Bend

Wet Mix with 100mm thick Cement Concrete M20 Grade

Bill No.III: 2).TRENCHLESS TECHNOLOGY FOR PIPE LAYING WORK

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), depth upto 5m in all soil strata including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 15 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 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 TWAD Engineers.

400mm dia MS encasing pipe for various thickness including cost of driving pit, thrust bed/wall and receiving pit to the depth of 0m to 2m excluding the cost of MS pipes

400mm dia MS pipe with 8.8 mm thickness

Supply, conveying and fixing CI D/F pipes as per IS:1537 and CI SS/DF specials as per IS 1538

200 mm dia D/F pipes

200 mm F/Spi Tail Piece

200 mm F/Socket Tail Piece

Construction of RCC Riving Pit/ Receiving Pit for on both side for inspection and maintance purpose as directed engineer in charge

Construction of RCC Driving Pit (2.0 mx 3.0 m x 3.0 m)

Construction of RCC Receiving Pit (2.0 mx 3.0 m x 3.0 m)

Hire and running charges of Mechanical Winch machine complete with power unit and accessories for pull in carrier pipe etc.complete with required labour.

Bill No.III: 3).ELECTROMAGNETIC FLOW METER

Supply, delivery, erection, testing and commissioning of 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 preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects. Coil Housing shall be fabricated from stainless steel (SS304) 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, Communication interface is RS485, HART 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 form 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.

Supply, conveying and fixing CI D/F pipes as per IS:1537 and CI SS/DF specials like Tee, Bends ,Tapers and Tailpieces as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

Specials for 80mm Electromagnetic Flow Meter

200 mm F/Spi Tail Piece

200 mm F/Soc Tail Piece

80 mm D/F Pipe -0.32mlong

80 mm D/F Pipe -0.8mlong

150mm x 80 mm D/Fl taper

Construction of water meter Chamber in second class brick work in CM 1:4 proportion with 12mm thick outside plastering and 20 mm thick inside plastering in CM 1:3 proportion, RCC cover slab in CC 1:2:4 proportion using 20 mm jelly, chamber foundation and bed block in PCC 1:3:6 proportion using 40 mm jelly including cost of reinforcement and labour charges,earth work excavation,sand filling,refilling and disposal of surplus earth ,fixing CI steps, etc. complete and including providing and fixing L.S cover and frame of size 60cmx60cm including necessary masonry work and plastering etc complete as directed by the Engineer at site as per specification of sizeas mentioned below

Jointing the CI specials with molten lead and yarn including caulking the joints and testing to the required pressure with water. (Including cost of Jointing materials)

Jointing the double flanged specials with rubber insertion to the required specifications with M.S bolts and nuts, complete.

Total excluding GST

SRI MEENAKSHI AND CO (BID ID -1464397)

RAGHU ASSOCIATES (BID ID -1463993)