Chennai Metropolitan Water Supply And Sewerage Board Tender

Supplying DI pipe as per IS 8329/2000 (K9 Pipe)

100mm dia DI pipe

150mm dia DI pipe

300 MM dia DI pipe

Laying D.I pipes including earthwork excavation for trenches in hard stiff clay, blackcotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sixe boulders and hard gravelly soil depositing the earth on banks with initial lead of 10m and initial llift of 2m carting the pipes from any of the Board's Stores to the site of work lowering into the trenches, aligning, rerfilling the trenches with excavated soil, watering and ramming to consolidation, etc., complete for the pipes of following diameters (Night work)

At 2m deep to invert

100mm dia DI pipe

150mm dia DI pipe

300 MM dia DI pipe

Supplying and Fixing Following Specials

100 x 100 mm dia DI AS Tee

100mm dia Sluice Valve

150mm dia Sluice Valve

300 mm dia Sluice Valve

100mm dia Flange/Spigot tail piece

100mm dia Flange socket

100mm dia MJ Collar

150mm dia MJ Collar

300mm dia MJ Collar

150 X 100 AS TEE

300MM X 150MM AS TEE

300mm X150MM REDUCER

150MM 90 BEND

100MM 90 BEND

300mm X 300mm TEE

Cutting D.I Mains

100mm dia DI pipe

150mm dia DI pipe

300mm dia DI pipe

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 450mm to 300mm (18” to 12”) C.I. pipe and fixing 450mm to 50mm (18” to 2”)

Laying 110 mm dia P.V.C. straight pipes and specials including carting, jointing, excavation and refilling as per schedule 1.1. complete.

Hire charges for diesel pumpset for 7.5 HP with fuel and crew charges including transportation

Construction of chamber for 100 to 250mm dia sluice valve including providing and fixing L.S Cover and frame of size 60x60cm

Construction of chamber for 300to 450mm dia sluice valve including providing and fixing L.S Cover and frame of size 60x60cm

Testing of M.S/C.I/P.V.C/D.I pipes with hydraulic testing equipment by filling with water ( includeing cost of water @Rs.84/KL) and testing to recommended pressure in convenient streches and attending the bursts if any occurred during the test, excudling the cost of pipes, including other incidental and operational charges, etc., complete for the following diameters of pipes.

100mm dia DI pipe

150mm dia DI pipe

300mm dia DI pipe

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. 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.

100 mm

Topographic Survey of Assets and Utilities

For the Underground Assests along the roads for the distance ranging below 2 Km

For the Point Underground / Surface Assets along the roads

Providing Dedicated gravity sewer main at TNHUDB, S.M Nagar main Road Phase I & II in Depot 46, Area IV

Cutting Asphaltic / Cement concrete road - Hiring of Air Compressor Breaker for cutting the road for a thickness of 30cm

Hire charges for diesel pumpset above 7.5 HP including cost of fuel and operator etc, complete including pumping to sewer the manhole to manhole till to work complete

Supply and Delivery of 250mm DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annular corrugated and smooth internal surface (Double wall) (SN 8 Class) for non-pressure underground sewerage, drainage application generally as per IS-16098 (Part-2) type B.

Laying DWC pipes 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 10 m and initial lift of 2m carting the pipes from any of the Board’s Stores to the site of work lowering into the trenches, aligning, watering and ramming to consolidation, etc., complete for the pipes of following diametres. Rate of Night Work (Timbering included for Depths 2.50m,3.0m)

at the depth of 1.5 m

at the depth of 2 m

at the depth of 2.5 m

at the depth of 3.0 m

Construction of Machineholes using sulphate resistant cement at various depths to invert including earthwork excavation as per SS 20B, laying cement concrete in C.M. 1:3:6 using Crushed stone sand (M sand) and 40mm B.G.jelly for foundation, sinking well kerb below G.L. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above, stock brick work in C.M. 1:3, for 23cm thick wall and over 23cm thick wall, plastering interior with C.M. 1:3, 20mm thick and exterior with C.M. 1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12.0mm to 20mm B.G.jelly fixing the frame, providing C.I. steps, machinehole cover and frame, benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc. complete for the following sizes for each machinehole (As per the type design drawing for machinehole). (Including backfilling of trenches and disposal of surplus earth )

at the depth of 1.5 m

at the depth of 2 m

at the depth of 2.5 m

at the depth of 3.0 m

Cutting DWC rigid pipe and specials true to axis and finishing the ends completed ( Labour only)

Supply and fixing anchor block for DWC pipe 250mm

Supply and Delivery of 300mm CI pipe for covering strom water crossing the DWC gravity sewer main

Supply and filling stone dust( North Zone)

Cement concrete 1:3:6 using Crushed stone sand (Msand) and 40mm gauge hard broken stone jelly for plain concrete works including laying ramming curing, etc., 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

Topographic Survey of Assets and Utilities (Rate for RTK Survey)

For the Underground Assests along the roads for the distance ranging below 2 Km

For the Point Underground / Surface Assets along the roads

Supplying and fixing 150mm dia MS pipe ventilating column 6m length with C.I base for ventilating column etc.,

Sub total

GST @ 18%