Providing water supply facilities along OMR from Taramani Link Road Jn Holiday Inn to Nookampalayam Road Jn , along MGR Main Road, part of Taramani Link Road and 200 ft Radial Road in Area XIV and XV of Chennai City

Amount

BILL NO 1. Providing Water Main, Pipes & Specials, Interconnection and allied works including Trenchless Technology

Supply, delivery , laying and jointing DI pipes of the following sizes of socket @ spigot end, push - on - joint DI pipes of classification K9 conforming to IS: 8329/2000 in standard lengths with cement mortar lining inside and outside Zinc coating, including making rubber joints and cost of rubber gasket, Labour charges for loading,unloading and stacking at the site etc as directed by the engineer at site ,including earthwork excavation for trenches in hard stiff clay, blackcotton, 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.conveying to the site of work, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth and necessary lighting arrangements etc . complete for the pipes of following diametres at the following depths in Bus route roads during night hours.

150mm dia at 1.25 m depth

200mm dia at 1.25 m depth

250mm dia at 1.25 m depth

350mm dia at 1.25 m depth

500mm dia at 2 m depth

Supply, delivery, conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and including earthwork excavation, refilling with excavated soil, watering and ramming to consolidation and disposal of surplus earth etc complete.

DI A/S Tee:

250x250 mm DI A/S Tee

350x350 mm DI A/S Tee

350x300 mm DI A/S Tee

350x150 mm DI A/S Tee

500x500 mm DI A/S Tee

500x350 mm DI A/S Tee

500x200 mm DI A/S Tee

DI D/S Taper

200x150 mm DI D/S Taper

300x250 mm DI D/S Taper

350x250 mm DI D/S Taper

500x350 mm DI D/S Taper

End Cap

150 mm DI end cap

200 mm DI end cap

250 mm DI end cap

350 mm DI end cap

500 mm DI end cap

DI D/S 90 deg Bend

200 mm DI D/S 90 deg bend

250 mm DI D/S 90 deg bend

350 mm DI D/S 90 deg bend

500 mm DI D/S 90 deg bend

DI D/S 45 deg Bend

200 mm DI D/S 45 deg bend

250 mm DI D/S 45 deg bend

350 mm DI D/S 45 deg bend

500 mm DI D/S 45 deg bend

DI D/S 22.5 deg Bend

150 mm DI D/S 22.5 deg bend

200 mm DI D/S 22.5 deg bend

250 mm DI D/S 22.5 deg bend

350 mm DI D/S 22.5 deg bend

500 mm DI D/S 22.5 deg bend

DI Soc/Fl Tail Piece

250 mm DI Soc/Fl Tail Piece

350 mm DI Soc/Fl Tail Piece

500 mm DI Soc/Fl Tail Piece

DI Fl/Spi Tail Piece

250 mm DI Fl/Spi Tail Piece

350 mm DI Fl/Spi Tail Piece

500 mm DI Fl/Spi Tail Piece

DI D/S Taper for Sluice Valve

350x250 mm DI D/S Taper for SV

500x350 mm DI D/S Taper for SV

MJ Collar

150 mm MJ Collar

200 mm MJ Collar

250 mm MJ Collar

350 mm MJ Collar

500 mm MJ Collar

DI D Soc/Fl Tee

150x80 mm DI S/S/F tee

200x80 mm DI S/S/F tee

250x80 mm DI S/S/F tee

250x250 mm DI S/S/F tee

350x80 mm DI S/S/F tee

350x250 mm DI S/S/F tee

500x100 mm DI S/S/F tee

500x350 mm DI S/S/F tee

DI D/F pipe

250 mm DI D/F pipe - 1 m length

250 mm DI D/F pipe - 2.5 m length

350 mm DI D/F pipe - 1.4 m length

350 mm DI D/F pipe - 3.5 m length

500 mm DI D/F pipe - 2 m length

500 mm DI D/F pipe - 5 m length

DI D/F pipe for Scour Valve

250 mm DI D/F pipe - 0.5 m length

250 mm DI D/F pipe - 2.5 m length

350 mm DI D/F pipe - 0.5 m length

350 mm DI D/F pipe - 2.5 m length

DI D/F 90 deg Duckfoot Bend

250 mm DI D/F 90 deg Duckfoot Bend

350 mm DI D/F 90 deg Duckfoot Bend

500 mm DI D/F 90 deg Duckfoot Bend

DI D/F 90 deg Bend

250 mm DI D/F 90 deg Bend

350 mm DI D/F 90 deg Bend

500 mm DI D/F 90 deg Bend

Supply, delivery, conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and excluding earthwork excavation, etc., complete.

250 mm dia DI D/F pipe - 3 m length

250 mm dia DI D/F pipe - 2.5 m length

250 mm dia DI D/F pipe - 1 m length

250 mm dia DI D/F pipe - 5.5 m length

350 mm dia DI D/F pipe - 3 m length

350 mm dia DI D/F pipe - 2.5 m length

350 mm dia DI D/F pipe - 1 m length

350 mm dia DI D/F pipe - 5.5 m length

500 mm dia DI D/F pipe - 3 m length

500 mm dia DI D/F pipe - 2.5 m length

500 mm dia DI D/F pipe - 1 m length

500 mm dia DI D/F pipe - 5.5 m length

Supply, delivery , conveying and fixing the CI sluice valves (PN 1.0) of following sizes confirming to IS: 14846/2000 including Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc complete as per specifications.

150 mm Sluice Valve (with Tail Piece)

200 mm Sluice Valve (with Tail Piece)

250 mm Sluice Valve (with Tail Piece)

350 mm Sluice Valve (with Tail Piece)

Supply, delivery , conveying and fixing of CI double air valves and specials including loading, unloading and stacking at site etc as directed by the engineer at site etc complete as per specifications.

80 mm Double Air Valve

100 mm Double Air Valve

Supply, delivery , conveying and fixing the CI sluice valves (PN 1.0) of following sizes confirming to IS: 14846/2000 excluding Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc complete as per specifications.

Sluice Valve for fixing Air Valve

80 mm Sluice Valve (w/o Tail Piece)

100 mm Sluice Valve (w/o Tail Piece)

Scour Valve

250 mm Scour Valve (w/o Tail Piece)

350 mm Scour Valve (w/o Tail Piece)

Supply, delivery, lowering and fixing the following CI Non return valves conforming to IS 5312/PART-1 and loading,unloading and stacking at site etc as directed for the following size.

250 mm Non Return Valve

350 mm Non Return Valve

Supply, delivery, lowering and fixing the following DI D/F Diaphragm type own medium controlled Pressure Reducing Valve with cast body of ductile iron grade GGG-40 or equivalent grade or as per IS 3896-Part-2-1985 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 3304 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 cleansing filter to avoid possibility of dirt build up inside the control tubing and with 5 years warranty. The cost shall include loading, unloading & stacking at site etc as directed for the following size

350 mm Pressure Reducing Valve

400 mm Pressure Reducing Valve

Cutting of DI Pipes true to axis and finishing the ends complete .

Jointing the DI Socket/spicot pipes and specials with rubber gasket (Tyton joint) including cost of jointing materials etc. complete.

For specials

Jointing the DI double flanged pipes and specials with rubber insertion to the required specification with M.S bolt and nuts and testing the pipes to the required pressure with water including the cost of jointing materials etc. complete.

Testing of DI pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stetches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges etc. complete for following diameters of pipes.

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.

Cutting of Road surface

Asphaltic Road

Bus route

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

DI A/S Tee

250x250 mm DI A/S Tee

350x350 mm DI A/S Tee

350x300 mm DI A/S Tee

350x150 mm DI A/S Tee

500x500 mm DI A/S Tee

500x350 mm DI A/S Tee

500x200 mm DI A/S Tee

DI D/S 90 deg Bend

200 mm DI D/S 90 deg bend

250 mm DI D/S 90 deg bend

350 mm DI D/S 90 deg bend

500 mm DI D/S 90 deg bend

DI D/S 45 deg Bend

200 mm DI D/S 45 deg bend

250 mm DI D/S 45 deg bend

350 mm DI D/S 45 deg bend

500 mm DI D/S 45 deg bend

DI D/S 22.5 deg Bend

150 mm DI D/S 22.5 deg bend

200 mm DI D/S 22.5 deg bend

250 mm DI D/S 22.5 deg bend

350 mm DI D/S 22.5 deg bend

500 mm DI D/S 22.5 deg bend

DI D Soc/Fl Tee

150x80 mm DI S/S/F tee

200x80 mm DI S/S/F tee

250x80 mm DI S/S/F tee

250x250 mm DI S/S/F tee

350x80 mm DI S/S/F tee

350x250 mm DI S/S/F tee

500x100 mm DI S/S/F tee

500x350 mm DI S/S/F tee

DI D/F 90 deg Duckfoot Bend

250 mm DI D/F 90 deg Duckfoot Bend

350 mm DI D/F 90 deg Duckfoot Bend

Construction of Sluice Valve Chamber of following sizes in second class brick work in CM 1:4 proportion with 12 mm 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, CI steps, including providing and fixing L.S cover and frame of size 60x60cm including necessary masonry work and plastering work etc.complete.

1.35 x 1.2 x 1.55 m (for 100 to 250 mm dia SV)

1.35 x 1.35 x 1.95 m (for 300 to 400 mm dia SV)

Construction of Air valve 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 per specification and as per drawing.

1.2 x 0.9 x 1.80 m (for 80 mm dia AV)

1.5 x 1.2 x 2.3 m (for 100 mm dia AV)

Construction of Flushing Chamber of following sizes in second class brick work in CM 1:4 proportion with 12 mm 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, CI steps, including providing and fixing L.S cover and frame of size 60x60cm including necessary masonry work and plastering work etc.complete.

1.35 x 1.2 x 1.55 m (for 100 to 250 mm dia)

1.35 x 1.35 x 1.95 m (for 300 to 400 mm)

2 x 2.5 x 3 m (for 450 to 600 mm)

1.7 x 1.6 x 2.3 m (for 250 & above)

Providing 100mm thick cement concrete 1:2:4 for temporary restoration of roads for the works carried out during Night works wherever necessary

Interconnection work of existing 1200mm dia MS Transmission Main (150MLD Desal) with proposed 350 mm dia DI main in 200 ft Radial Road

Earth work 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 mts.

Supply and delivery at site 1m length 350mm dia, 5mm thickness MS cut pipe with flange conforming to IS 7322 including inside lining/ epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20 mm thick as per IS 1916-1989 and IS 7322-1985, cutting of 1200 MS transmission main and welding the cut pipe with the existing Transmission main

Lowering of M.S pipes and specials into the trenches and laying to proper grade and alignment including loading, unloading and stacking at the site as directed by the officers etc complete.

Supply, delivery at site , conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and including labour charges for earthwork excavation for trenches in hard stiff clay, blackcotton, 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 lift of 2m conveying to the site of work, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth as directed by the Engineer at site. etc . complete

350mm Fl/Spi tail piece

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 Tee as mentioned below

1200x350 mm Tee

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

Disposal of surplus earth

Hire charges for diesel pumpset upto 5HP with fuel and crew charges including tranportation for bailing out of sub-soil water

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 Board Engineers.

500mm 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

600mm 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

800mm 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

Internal and External tarring of coal tar over MS pipe- Two coats

Supply and Delivery of MS pipes of preferred dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges

500mm dia MS pipe with 11 mm thickness

600mm dia MS pipe with 12.5 mm thickness

800mm dia MS pipe with 18 mm thickness

Supply of DI Soc/Spi pipes as per IS 8329/2000 and DI SS/DF specials as per IS 9523/2000 excluding earthwork excavation , disposal and refilling of trenches.

For water main

250 mm dia DI Soc/Spi pipes K9 grade

350 mm dia DI Soc/Spi pipes K9 grade

500 mm dia DI Soc/Spi pipes K9 grade

Jointing the socket spigot specials with rubber gasket to the required specifications, complete.

Laying of 1:2:4 mix concrete bed with the profile of 250mm & DI pipe inside the 500mm M.S encasing pipe for entire length for smooth insertion and safety of the DI pipe

Provision of suitable M.S clamp to hold the DI pipe with the encasing pipe to avoid the lifting of pipe during pumping

Inserting DI service pipe of following sizes in 500mm dia MS encasing pipe etc complete as directed by engineer incharge ( All labours tools and materials,plants and equipments for inserting pipes are to be supplied by the tenders/contractors at his own cost)except the cost of DI D/S pipes

Topographic Survey of assets and utilities of CMWSSB using the latest technology to furnish “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. 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 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.

Length of Pipeline for Water Main, Valve chambers, House Service Connections, Trenchless Crossings, etc. complete along the alignment

BILL NO 2. Construction of RCC Pipe Carrying Bridge and allied works

Providing and installing Bored cast- in-situ reinforced cement concrete pile of 450mm diameter and length below the pile cap to carry a safe working load not less than the specified, excluding the cost of concrete and steel reinforcement but including Betonite solution, machinery charges and Labour charges etc all complete

Chipping of piles from pile cap bottom upto GL which includes chipping and disposal of debris, etc

Dewatering using 20Hp diesel engine pumpset including Hirecharges,cost of Diesel, Engineoil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales, muram, gravel stoney earth and earth mixed with small size boulders as per SS 20B with initial lead of 10m and lift of 2.0m

Cement concrete 1:3:6 using Crushed stone sand (M-sand) 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

1.5m - 4.5m below GL

Supply and laying of soling stones 15cm cube (un blasted)

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

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

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of 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, fixing,fan clamps etc., as per standard specification and as directed by the Board officers complete.

Below GL

Upto 1.50 m below GL

From 1.5m to 4.5m below GL

From 4.50m to 9.0m below GL

From 9.0m to 13.50m below GL

From 13.50m to 18.00m below GL

From 18.00m to 22.50m below GL

From 22.50m to 27.00m below GL

Above GL

Upto 1.50m above GL

From 1.50m to 4.5m above GL

From 4.50m to 9.00m above GL

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

Below GL

Upto 3.0m below G.L. - curved

3.0m - 4.0m - curved

4.0m - 5.0 m - curved

Above GL

Upto 3.0m above G.L. - curved

3.0m - 4.0m - curved

4.0m - 5.0 m - curved

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

Disposal of surplus earth

Hire and running charges of crane 20 tonne capacity

Supplying abd Fixing suitable M.S clamp to hold the CI pipe with the Anchor block to avoid the lifting of pipe during pumping

Construction of coffer dam

Supplying and laying in position RCC pipes of diameter 500 mm at 20 m c/c, reused 2 times

Supplying and filling gravel in gunny bags and placing in position over RCC pipes

Conducting Geographical soil investigation, Pile load testing as per standard specification and as directed by the Board officers complete.

BILL NO:3 Providing House Service Connection to High Rise Buildings

Laying of common DI water main in adjoining roads:

Supply, delivery ,laying and jointing DI pipes of the following sizes of socket @ spigot end, push - on - joint DI pipes of classification K9 conforming to IS: 8329/2000 in standard lengths with cement mortar lining inside and outside Zinc coating, including making rubber joints and cost of rubber gasket, Labour charges for loading,unloading and stacking at the site etc as directed by the engineer at site ,including earthwork excavation for trenches in hard stiff clay, blackcotton, 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 lift of 2m conveying to the site of work, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth etc . complete for the pipes of following diametres at the following depths.

100mm at 1.25m depth

Specials for interconnection with DI water main:

Supply, delivery, conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and including earthwork excavation, refilling with excavated soil, watering and ramming to consolidation and disposal of surplus earth etc complete.

DI A/S Tee

100x100 mm DI A/S Tee

150x150 mm DI A/S Tee

200x100 mm DI A/S Tee

200x150 mm DI A/S Tee

250x100 mm DI A/S Tee

350x100 mm DI A/S Tee

350x150 mm DI A/S Tee

500x100 mm DI A/S Tee

500x150 mm DI A/S Tee

DI D/S Taper

100x80 mm Taper

End Cap

100 mm DI end cap

DI D/S 90 deg Bend

100 mm DI D/S 90 deg bend

DI D/S 45 deg Bend

100 mm DI D/S 45 deg bend

DI D/S 22.5 deg Bend

100 mm DI D/S 22.5 deg bend

Cutting of Road surface

Asphaltic Road

Non-Bus Route

Bus Route - TNRDC

Bus Route - GCC

Concrete pavement within premises

Jointing the DI Socket/spicot pipes and specials with rubber gasket(Tyton joint) including cost of jointing materials etc. complete.

Testing of DI pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stetches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges etc. complete for following diameters of pipes.

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.

Providing DI House Service Connections

Supplying and laying DI pipes for House Service Connections of the following sizes of socket and spigot end, push - on - joint DI pipes of classification K9 conforming to IS: 8329/2000 in standard lengths with cement mortar lining inside and outside Zinc coating, with necessary specials including earth work excavation, laying, jointing , testing house service connections including cost of water, refilling the trenches and disposal of surplus earth etc.complete.

Supplying and fixing of specials for DI House Service Connections consisting of DI Soc/Flange Tail Piece, DI D/F 90 deg bend, DI D/F pipes of appropriate lengths for vertical lift, MJ collar and suitable enclosure (HDPE) with top side openable for housing CI Sluice Valve etc complete for following sizes.

Providing HDPE House Service Connections

Supplying and laying of HDPE pipe manufactured from virgin resin PE 100 food grsde compounded raw material with quality assurance certificate from quality agencies agencies like WRC/CIPET (India)/DVGM/KIWA/SPGN, etc., with pressure rating PN 8 conforming to IS 4984, for House Service Connections with necessary specials including earth work excavation, providing & laying of blue plastic sheet of 150mm wide, 700 microns thick, laying, jointing , testing house service connections including cost of water, refilling the trenches and disposal of surplus earth etc.complete.

80mm dia ID / 90mm dia OD

Supplying and fixing of fittings (electrofusion/butt fusion) using compounded PE 100 virgin polymer and compatible with PE 100 pipes with pressure rating PN 10 for HDPE House Service Connections consisting of DI Soc/Flange Tail Piece, Stub & Flange, 90 deg HDPE bend, HDPE pipe for vertical lift and suitable enclosure (HDPE) with top side openable for housing CI Sluice Valve etc complete for following sizes.

80mm dia ID / 90mm dia OD

Providing MDPE House Service Connections

Supplying and laying of MDPE (PE80) Blue pipe (IS:4427) for House Service Connections with necessary specials including earth work excavation laying, jointing, and testing house service connections including cost of water, refilling the trenches and disposal of surplus earth etc.complete.

Making bore and tapping in the DI pipe line, supplying and fixing of specials for MDPE House Service Connections consisting of plastic moulded clamp saddle with (SS304) female threaded metal insert, sealing rubber and plastic wide strap including suitable bolts and nuts, Polypropylene compression fitting adopter with metal insert (SS 304-male threaded), Polyproplene compression fitting 90 deg elbow, Polypropylene compression fitting adopter with metal insert (SS 304-female threaded), MDPE pipe for vertical lift, suitable enclosure (HDPE) with top side openable for housing UPVC Ball Valve(stop cock) etc complete for following sizes.

15mm dia O.D

20mm dia O.D

25mm dia O.D

40mm dia O.D

50mm dia O.D

Providing Isolation Valves for House Service Connections

Supply,delivery , conveying and fixing the CI sluice valves (PN 1.0) of following sizes confirming to IS: 14846/2000 excluding Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc complete as per specifications.

80 mm Sluice Valve

100 mm Sluice Valve

150 mm Sluice Valve

Supplying and fixing Poly propylene ball valve (with PVC ball) with compression joint at one end and female threaded at other end of the following sizes including loading, unloading, Transportation charges and stacking etc complete as per specifications.

15 mm Ball Valve

20 mm Ball Valve

25 mm Ball Valve

40 mm Ball Valve

50 mm Ball Valve

Miscellaneous items

Cutting of HDPE / MDPE Pipes true to axis and finishing the ends complete .

Cutting of DI Pipes true to axis and finishing the ends complete .

Supply, delivery and fixing of water meter protection box of size 20cm x 30cm for fixing of Water Meter. The box should be rectangular base in construction and material of construction should be weather resistant polyethylene (PE) blue /black .Reinforcement rips should be provided at the walls of the box. Box should be at two components comprising body and lid. Lid should be press fitted to the body. No hinges should be used for opened /closed. Operation meter box should be provided with built in lock. The body as inlet and outlet windows to pass the pipe through suitable for use with pipes of sizes up to 1" .Base of the box should be designed in such a way .That the box can be installed to the floor/wall using anchor Bolts / screws without grouting the entire base of the meter Box .Provision for fixing Name plate showing the name of the Department etc., complete and as directed by the CMWSS Board Officers.

BILL NO:4 IoT based Demand Driven - Water Supply Distribution Management System including supply,erection,testing and commissioning of Ultrasonic flow meter, Fullbore electromagneic flow meter, Motorized valves, TDS Senor,IoT device and allied electrical works including Operation & Maintenance of the /management system for 5 years.

Supply, delivery, erection, testing and commissioning of Ultrasonic water Flow meters with MODBUS (RS485) support for data transfer confirming to ISO 4064:2014 standard with latest ammendments with ISI Certification mark and valid life cycle test certificates from FCRI (Fluid Control Research Institute)/NABL. Material: The water meter body shall be made of Brass/Bronze Pressure Rating: Pressure rating shall be ≥ PN16 Protection Class: Must comply to IP68 Standard for indoor and outdoor operation, including fully submerged installations. Accuracy: +/-1% typical operating range and temperatures. Power supply: battery operated with minimum 5 years.Erection of meters at site including the neccesary dewatering, lifting and lighting arrangements, etc.complete as per specification.

Supply, delivery, erection, testing and commissioning of full bore Electromagnetic flow meter IP68 and RS 485 MODBUS output shall be a velocity sensing electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 0.5 to 2.0 Mpa working pressure. The meter shall be manufactured to highest standard available for mag-meters. The meter shall be equipped with minimum six digit digital totalizers, reading in units of kiloliters and shall be accurate within 0.5% of Measured value. The accuracy should be inclusive of linearity, hysterisis, repeatability, temperature and pressure effects. The meter assembly 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 SS316 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, hysterises, repeatability, temperature, and pressure effects.Coil Housing shall be fabricated from stainless steel (SS316) /DiecastAluminium/Carbonsteel 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 IP 68 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 programming should be user friendly, self-prompting menu driven.Flow test lab of the manufacturer must be certified by National accredited agency such as NABL or FCRI.Supplier should have in-house calibration facility and should give calibration certificate for all the flow meters. The flow meter should have grounding rings only. Calibration of each Meter shall be tested at in house facility of manufacturer for the sizes for which manufacturer has this facility. The calibration of flowmeter can be offered to CMWSSB inspection at the manufacturing facilit Supplier should have the facility to manufacture a calibrate in-house in India for all meter sizes. 80mm to 500mm. Erection of EMF meters at site including the neccesary dewatering, lifting and lighting arrangements, etc.complete as per specification.

Supply, delivery, erection, testing and commissioning of Class 2 Motorised Ball Valve, 230V AC operated,PN16 standard to control the flow rate from 0 to 100%(modulating control) for the existing pipe line size etc complete as per the specification.

Supply, delivery, erection, testing and commissioning of Class 2 Motorised Butterfly Valve, 230V AC operated, IP 67 standard,PN16 standard to control the flow rate from 0 to 100%(modulating control) for the existing pipe line size etc complete as per the specification.

Supply, delivery, erection, testing and commissioning of TDS sensor with MODBUS (RS485) support for data transfer confirming latest ISO standard,0-10000 ppm, 230 V AC operated,Sensor probe IP68 along with flow meters at tapping point etc complete as per site condition as directed by the Board engineer.

Supply, delivery and erection of of T type dirt box / strainer in position of vertical line at tapping points etc complete as directed by the Board engineers

At 250mm tapping point

At 350mm tapping point

At 500mm tapping point

Supply,delivery and installation of UPS/Invertor allied works

Supply,delivery,installtion of 230V, 80AH maintenance free battery with 48 hours backup UPS for ultrasonic water flow water meters size upto 50mm including all accessories etc complete.

Supply,delivery,installtion of 230V, 150AH maintenance free battery with 48 hours backup UPS for full bore electromagnetic flow water meters size from 80mm to 500mm including all accessories etc complete.

Supply,dlivery and installation MS Enclosure Panel at HSC's and Valve acutuator protection box.

Supply, Delivery, erection, testing and commissioning of outdoor weather and vermin proof,single door, IP 66 powder coated MS Enclosure panel , thickness 1.6mm CRCA sheet for accomadating the UPS, Battery, IOT & MCB etc complete suitable to fix on above maximum flood level and providing with lock and key provision, providing with canopy like arrangements it the top, in order to protect from rain, including earthing with incidental civil works etc., complete for water meters size upto 50 mm as per specification.

Supply, Delivery, erection, testing and commissioning of outdoor weather and vermin proof,single door, IP 66 powder coated MS Enclosure panel , thickness 1.6mm CRCA sheet for accomadating the UPS, Battery, IOT & MCB etc complete suitable to fix on above maximum flood level and providing with lock and key provision, providing with canopy like arrangements it the top, in order to protect from rain, including earthing with incidental civil works etc., complete for water meters size from 80mm to 150mm as per specification.

Supply, Delivery, erection, testing and commissioning of outdoor weather and vermin proof,single door, IP 66 powder coated MS Enclosure panel , thickness 1.6mm CRCA sheet for accomadating the UPS, Battery, IOT & MCB etc complete and providing with lock and key provision and providing with canopy like arrangements it the top, in order to protect from rain, including earthing, pedestal to place the panel at roadside with incidental civil works etc., complete for water meters at tapping point as per specification.

Supply, Delivery, erection, testing and commissioning of outdoor weather and vermin proof,single door, IP 66 powder coated MS Enclosure IP 66 single door powder coated MS Enclosure panel to protect the valve actuator (Ball/Butterfly) and provided with tampering sensor protection etc complete as per specification.

Supply and laying of Field Communication/Signal Cable from Flow meter to IOT device,TDS sensor to IOT devices wherever applicable, suitable Cable HDPE Conduit including earth work excavation, clamping with suitable lug, ferrule, and termination, etc. complete as per the site conditions as directed by the Board Engineer.

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.

3 core 2.5 sq.mm Cu

3 core 2.5 sq.mm (UG) Cu

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.

3 core 2.5 sq.mm

IOT GATEWAY

Providing and supply,Installation, Commissioning & Testing of IOT device for monitoring & control valve based on Ultrasonic and full bore EMF meter and Modulation of the valve position based on distribution feed and control settings from Board engineers and capable to push data to the cloud via 2G/3G/4G & upgradable to Nb-IoT and it will control the flow & throtling based on the demand set by the Board engineer & distribution line feed. Connectivity for remote data transmission has a built-in 8 GB internal storage to store records in case of network failure and to retrieve data once the network is enabled. Installation, Commissioning & Testing of IOT device with Gateway Supply of manpower,Power Socket and Electrical Work including transportation charges etc complete as per site condition. IoT devices need to be protected with an enclosure that has adequate strength and durability and is IP 67 rated. Battery : 3.7 V Rechargeable Battery Battery Life: 5 years Battery Backup : 48 hrs

Providing and supply of IOT for monitoring bulk flow meter on main distribution line Providing and the supply of IOT device capable to push data to the cloud via 2G/3G/4G & upgradable to Nb-IoT. Connectivity for remote data transmission has a built-in 8 GB internal storage to store records in case of network failure and to retrieve data once the network is enabled. Installation, Commissioning & Testing of IOT device with Gateway Supply of manpower,Power Socket and Electrical Work including transportation charges etc complete as per site condition. IoT devices need to be protected with an enclosure that has adequate strength and durability and is IP 67 rated.

Supply of Subscriber interface module card from the network service providers with M2M enabled and valid for one year period including the data cost for transmitting and receiving the data from the remote site to the Cloud server.

SOFTWARE AND DASHBOARD

1.Design, development, commissioning and maintaining of application for Internet of Things (IoT) solution with a customized dashboard, Android & IOS mobile apps for a period of 5years and accessible to end users and handing over to CMWSSB with source code at the end of O&M period. Software should provide holistic dashboard,database & associated communication for proactive alert mechanisms if there are any failures on the sensors or any issues with data communication and proactive alert mechanisms. Capable of capturing daily consumption of water flow meter in real-time. 2. Installing and maintaining the application in 'Tamil Megam' cloud of TNSDC cloud server for web application Back end, control panel dashboard with necessary SSL Certificate, CDN, Firewall & Security Subscriptions as per specification. 3. Provide 5 years data backup scalable in future meters. 4. API to share the consumer billing information to CMWSSB HO billing system and should incoporate the related requirements of CMWSSB for HSC's. 5.Unlimited Login access with restricted permission for controlling options.

Operation & Maintenance

Software upgradation development & server maintenance, security and storage including all accessories etc complete.

2nd Year

3rd Year

4th Year

5th Year

Sim card charges

2nd Year

3rd Year

4th Year

5th Year

Man Power

1st year

2nd Year

3rd Year

4th Year

5th Year

Maintenance and supply of spares(from original equipment manufacturer) for replacement of Full bore EMF meters, Ultrasonic meters Smart meters, IOt device, UPS & Battery, TDS sensor, Dirt box/Strainer, Motorised Ball/Butterfly valves, Cables,Consumables specials etc including all accessories in BOQ for 5years to be claimed at actuals as directed by the Board engineers.

2nd Year

3rd Year

4th Year

5th Year

Sub Total (excluding GST)

KEYEM INFRA PROJECT PRIVATE LIMITED

VR WATER INFRA COMPANY