Supply, Delivery and Laying of 200 mm dia DI and 100 mm dia DI Water Distribution main to Koyambedu wholesale market complex CMDA in Depot 127, Area X

Amount

Supply, Delivery and Laying of 200 mm dia DI & 100 mm dia DI Water Distribution main to Koyambedu wholesale market complex (CMDA) in Depot 127, Area-X

Hire charges for power driller for cutting asphaltic / Cement concrete road surface

Bus Route Roads

Market (inside)

Hire charges for cutting cement concrte road using JCB mounted compressor machine

Making trial pit

Supplying, Delivery and Laying D.I. pipes (Class K7) 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, refilling the trenches with excavated soil, watering and ramming to consolidation, etc., complete for the pipes of following diametres.

At 1.50m depth

200mm Dia

100mm Dia

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.

Tees, Bends, collars

100mm d/soc 90 deg bend

100mm d/soc 45 deg bend

100mm d/soc 22.5 deg bend

200mm d/soc 90 deg bend

200mm d/soc 45 deg bend

200mm d/soc 22.5 deg bend

200 mm MJ collar

100 mm MJ collar

300mm x 300mm x 200mm S/S/F Tee

200mm x 200mm x 200mm S/S/F Tee

200mm x 200mm x 100mm S/S/F Tee

200mm x 100mm D/S taper

100 mm dia CI Non-Return Valve

200 mm dia CI Fl/Spi Tail Piece

200 mm dia CI Fl/Soc Tail Piece

100 mm dia CI Fl/Spi Tail Piece

100 mm dia CI Fl/Soc Tail Piece

Construction of thrust blocks using Cement Concrete 1:3:6 ,40mm B.G.jelly for Plain Cement Concrete

100mm d/soc 90 deg bend

100mm d/soc 45 deg bend

100mm d/soc 22.5 deg bend

200mm d/soc 90 deg bend

200mm d/soc 45 deg bend

200mm d/soc 22.5 deg bend

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

For 100mm dia C.I/D.I pipes

For 200mm dia C.I/D.I pipes

Supply of EDPM Rubber Gasket

For 100mm dia C.I pipes

For 200mm dia C.I pipes

Making Rubber joints for C.I./D.I pipes – Labour only

At 1.50m depth

100mm Dia

200mm Dia

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

100mm Dia

200mm 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

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.73/KL) and testing to recommended pressure inconvenient 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 the following diametres of pipes.

200 mm dia pipes

100mm Dia

200mm dia sluice valve

100mm dia sluice valve

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.

1.2mx0.9mx1.80m size chamber for 80 mm dia Air valve

Supply of CI D/F sluice valve with cap/ wheel as per IS 14846/2000 PN 1 with ISI marking

200mm dia sluice valve

100mm dia sluice valve

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

200mm dia sluice valve

100mm dia sluice valve

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

200x200x80 S/S/F Tee

80 mm sluice valve for fixing air valve

80 mm air valve

Storm water crossing including dewatering, core cutting, sand bags and repacking of cutting portions

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.

200mm dia

100mm dia

1.5mX1.5mX2.3m

Supply, delivery , conveying and fixing DI D/F pipes as per IS:8329/2000 and DI SS/DF specials like Tee, Bends ,Tapers and Tailpieces as per IS:9523/2000 including loading,unloading and stacking at the site excluding earthwork excavation as directed by the Engineer at site etc complete.

Specials for Electromagnetic FlowMeter

200 mm D/F pipe 0.3 m long

200 mm D/F pipe 0.8 m long

100 mm D/F pipe 0.3 m long

100 mm D/F pipe 0.8 m long

Providing Wet mix macadam including premixing the material with water at OMC in mechanical mix plant carriage and laying in uniform layers and compacting etc.Complete as per clause 406 of MORT&H specifications

Bus Route Roads

Market (inside)

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of M25 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.

Bus Route Roads

Market (inside)

Disposal of surplus earth

Earthwork excavation,Concrete Demolition/ Paverblock removal, providing and fixing of copper cable 4 core 2.5 sq.mm with PVC enclosure, cable gland and termination, refilling of soil, providing and laying of concrete work etc. complete (For Flow meter power supply work)

Providing box for fixing of Flow meter display unit with suitable angle, frame and related works including safety arrangements etc. all costs complete.

Topographic Survey of assets and utilities

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 for <2 km

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

5HP submersible pump

Sub Total ( excluding GST )

S.CHANDRASEKARAN & CO (BID ID -1072716)

SS FOUNDATION (BID ID -1074386)

Thirumalai Enterprises (BID ID -1074505)

K.Mahendran (BID ID -1073364)

SRI MEENAKSHI AND CO (BID ID -1073689)

V.Chinnadurai&Co (BID ID -1072424)