CNT/SEW/CRRT/104/2023-24

Amount

Bill No. 1 : Providing 250mm CI Pumping main for a length of 1320m from Vellala street to Shenoy Nagar SPS

Bill No 1a: Rerouting and Enlargement of Sewer main at various streets and Providing Lift Station & Pumping main at Depot 106, Area VIII

Supply Laying ,Jointing 250 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.

250 mm D/Soc CI 90 deg Bend

250 mm D/Soc CI 45 deg Bend

250 mm D/Soc CI 22.5 deg Bend

80mm Sluice valve

80mm Double Air valve

Specials for 80 mm Air valve

250 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

250 mm dia

Cutting Asphaltic Road

Non Bus Route

Bus Route -SH /NH

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.77/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 250mm 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.

250 mm D/Soc CI 90o Bend

250 mm D/Soc CI 45o Bend

250 mm D/Soc CI 22.5o Bend

Wet Mix with 100mm thick Cement Concrete M20 Grade

Supply Laying ,Jointing 250 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

Bill No 1b: 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

Specials for 100mm Electromagnetic Flow Meter

250 mm F/Spi Tail Piece

250 mm F/Soc Tail Piece

100 mm D/F Pipe -0.4mlong

100 mm D/F Pipe -1mlong

200mm x 100 mm D/Fl taper

250mm x 200 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.

Bill No 1C: RTK Survey for the Underground sewer system along the roads for the distance 50 to 100 km

Length of Pipeline for both collection system & Pumping Main

Bill No. 2 : Providing 150mm CI Pumping main for a length of 1230m from Nelson Manickam Road to East Arumbakkam SPS

Bill No. 2A : Laying Pumping Main of 150mm dia for a length of 1.23Km

Supply Laying ,Jointing 150 mm dia CI S/S pipes (LA 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.

150 mm D/Soc CI 90o Bend

150 mm D/Soc CI 45o Bend

150 mm D/Soc CI 22.5o Bend

80mm Sluice valve

80mm Double Air valve

Specials for 80 mm Air valve

150 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

150 mm dia

Cutting Asphaltic Road

Non Bus Route

Bus Route -GCC

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.77/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 150mm 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.

150 mm D/Soc CI 90 deg Bend

150 mm D/Soc CI 45 deg Bend

150 mm D/Soc CI 22.5 deg Bend

Wet Mix with 100mm thick Cement Concrete M20 Grade

Supply Laying ,Jointing 150 mm dia CI S/S pipes (LA 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

Bill No 2B: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

150 mm F/Spi Tail Piece

150 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.

Bill No 2C: RTK Survey for the Underground sewer system along the roads for the distance 50 to 100 km

Length of Pipeline for both collection system & Pumping Main

Bill No. 3 : Construction of pumping station at RS/LS-01 with suction well - 3m dia and allied works

Bill No. 3A :Construction of Screen cum Suction well (3m 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

6 m to 7 m above invert of well

6 m to 7 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.

3 m dia well

First depth of 2m

Second depth of 2m

Third 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 300mm dia penstock with extension rod of 6m 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

Supplying and fixing 150mm dia MS Ventilating columns 6.0m length with CI Base for Ventilating column, Wire Cowl, Supplying, Laying, Jointing and Testing of 160mm dia UPVC pipe to a length of 6m for each column including cost of joining materials such as cement, sand and spun yarn with necessary civil works for construction of Masonry Pillars, earthwork excavation, refilling etc., complete.

Bill No 3B: Construction of Valve Chamber - 2.5 m x 2.5 m x 2.1 m

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

From 2 m to 3 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 3C:PIPES AND SPECIALS FOR SUCTION WELL

100 mm dia CI d/f duckfoot bend

100 mm dia CI - 3.0m d/f pipe

100 mm dia CI - 2.5m d/f pipe

100 mm dia CI - 1.0m d/f pipe

100 mm dia CI - 0.5m 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

250x100mm CI A/F tee

250 mm dia CI - 0.5m d/f pipe

250 mm dia CI sluice valve

250 mm dia CI fl/spi TP

250 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,

250mm dia

100mm dia

100mm dia

Bill No 3D:RTK Survey for the Underground sewer system along the roads for the distance 50 to 100 km

Survey for the surface assets like SPS, LS, etc

Bill No. 4 : Construction of pumping station at LS with suction well - 2.5m dia including pump house and allied works

Bill No. 4A : Construction of SUCTION WELL (2.5 m dia)

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.

2.5m dia well

First depth of 2m

Second depth of 2m

Third 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 300mm dia penstock with extension rod of 5.5m 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.

Supply and installation of SS open mesh flooring with 25x6mm thick flats for outer frame and 25x3mm SS and 12x3mm SS flats spaced at 30mm and 60mm respectively and 50x10mm SS flats for mesh support and 50x50x6mm SS angle for opening forming a mesh over the surface of the well etc,complete

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

Bill No 4B: Construction of Valve Chamber 3.25 m x 2.5 m x 2.1 m

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

From 2 m to 3 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.

Bill No 4C:PIPES AND SPECIALS FOR SUCTION WELL

100 mm dia CI d/f duckfoot bend

100 mm dia CI - 2.0m d/f pipe

100 mm dia CI - 1.5m d/f pipe

100 mm dia CI - 1.0m d/f pipe

100 mm dia CI - 0.5m 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

150x100mm CI A/F tee

150 mm dia CI - 0.5m d/f pipe

150 mm dia CI sluice valve

150 mm dia CI fl/spi TP

150 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,

150mm dia

100mm dia

100mm dia

Bill No 4D:INTER CONNECTION WORK BETWEEN LAST MAINTANENCE HOLE & SCREEN CUM SUCTION WELL

Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online coupler and spigot type confirming to IS 16098 (Part-2) 2013 / EN: 13476-3 (latest revision) including elastomeric sealing ring gasket suitable for DWC PE or PP pipes conforming to IS: 5382 (latest revision), freight,insurance, loading into the truck and transporting to the stores / site.. etc including 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, depositing the earth on banks with initial lead of 10m and lowering into trenches, aligning and testing of DWC PE or PP pipes, watering and ramming to consolidation, etc., complete. (For Gravity Sewers)

300 mm dia at an ave.depth 4.5 m

Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly for plain cement concrete works (SRC) 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 4.0m high etc complete complying with standard specifications

Supplying and filling with stone dust for bedding for a thickness of 10cm and back fill envelope for a thickness of 150mm above the crown of the pipe for DWC PE pipes including ramming, consolidation etc., complete

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement.(for DWC PE or PP pipe length)

Disposal of surplus earth (for DWC PE or PP pipe length)

Bill No 4E:Construction of Columns and Erection of ISMB

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 etc. complete.

Upto 2.0 m below GL

From 2.0 m to 3.0 m below GL

Supplying and filling sand (M sand) for foundation 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

1.5 m to 4.5 m below GL

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

Upto 3.0 m height above and below GL

Providing and laying in position machine batched, machine mixed and machine vibrated design mix cement concrete of M25 grade (using SRC) for reinforced cement concrete using Crushed stone sand (M-sand) 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.

Upto 1.5 m below GL

From 1.5 m to 4.5 m below GL

Upto 1.5 m above GL

From 1.5 m to 4.5 m above 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 .

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

Colour washing two coats over one coat of white washing

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations & basement

Disposal of surplus earth

Supply and fixing ISMB 300mm of 42.2kg/m for 6.5m on column over suction well

Erecting pulley block of 1 Tonne capacity with a 3 m chain including additional chain length of 9 m facilitate for horizontal movement on the beam etc complete

Painting with superior quality ready mixed paint of chocolate, light green, grey or any other approved colour over ISMB (for new iron work two coats).

Bill No 4F: Construction of Compound wall

Clearing heavy jungle

Earthwork excavation and depositing on bank with initial lead of 10 metres and initial lift 2.00m (in all type of strata) in hard stiff clay stiff black cotton, hard red earth, shales, Muram, gravel, stoney earth and earth mixed with small size boulders S.S. 20-B. (excluding timbering and bailing out sub-soil water) as per P.W.D. standard schedule of rates for Chennai City.

Upto 2.0 m below GL

Supplying and filling M-sand for foundation 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

Upto 1.5 m below GL

From 1.5 m to 4.5 m below GL

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

Upto 3 m above and below GL

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 Crushed stone sand (M-sand) and 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.

Upto 1.5 m below GL

Upto 1.5 m above GL

From 1.5 m to 4.5 m above 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 as follows

Stock brick work with II class bricks in cement mortor 1:5 (Crushed stone sand (M-sand)) for 23 cm thick walls including curing etc. complete.

Upto 1.5 m above GL

From 1.5 m to 4.5 m above GL

Band course work flat 10mm to 12mm thick and 50mm deep with C.M. 1:3 (Crushed stone sand (M-sand) including curing, etc., complete as directed

20mm thick sand faced cement plaster on wall upto hight 10 meters above ground level consisting of 12mm thick backing coat of CM 1:3 ( 1 cement : 3 sand ) and 8mm thick finishing coat of CM 1:1 ( 1 cement : 1 sand ) etc complete

Colour washing two coats over one coat of white washing

Supplying and fixing barbed wire fencing over theproposed compound wall with ‘L’ angle iron 50 x 50 x 6mm & 1.45m posts bent to shape at 2.5m centres with 6 rows of barbed wire and also in a zig zag manner at 25cm c.c. connecting all the rows with barbed wire will be of 2 ply and 12 gauge or other approved size including drilling hole in ‘L’ iron posts and fixing the posts in cement concrete 1:2:4 of size 15x15x45cm etc as directed.

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

Disposal of surplus earth

Supplying and fabricating and erection of iron gate with of required size as per direction at site with G.I pipes of 50 mm and specials at all sides and 40x40x6mm angles as bracing on which 2 No.of m.s sheet of 16 gauge of size 2x2m each is welded as two halves fixing letter ''METROWATER' including one coat of primer with red lead etc.compete as directed.

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

Providing and fixing gardening items on site as directed.

Spider Lilly

Providing and fixing planting plants and shrubs on compound wall as directed

Bill No 4G: Construction of PANEL ROOM- 3m x 3m Size

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 etc. complete.

Upto 2.0 m below GL

2.0 to 3.0 m below GL

Supplying and filling sand for foundation and basement including watering, consolidating, ramming etc. complete.

Cement concrete 1:3:6 using 40mm gauge hard broken stone jelly including laying in layers of not more than 15cm thick including ramming curing etc complete

Upto 1.5 m below GL

1.5 m to 4.5 m below GL

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

Upto 3.0 m height above and below GL

Above 3.0 m upto 4.0m height above GL

Above 4.0 m upto 5.0m height above GL

Above 5.0 m upto 6.0m height above GL

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.

Below Ground level

Upto 1.5 m below GL

1.5 m to 4.5 m below GL

Above Ground Level

Upto Plinth above GL

Upto 4.5 m above Plinth

4.5 m to 9.0 m above Plinth

Sun shade laying C.C. 1:2:4 for RCC sunshade work using 20mm hard broken stone jelly 80mm thick at wall end and 50mm thick at free end projecting 600mm from wall face moulded along with RC lintels and tailed into the full thickness of wall where there are no lintels excluding cost of reinforcement but including centering, shuttering, compacting, curing and finishing, etc., complete

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)

Stock brick work in cement mortor 1:4 using second class bricks including curring etc. complete for 23 cm thick wall

From 1.5 m below GL & upto plinth level above GL

For Groud floor upto 4.5 m from Plinth

For 11 cm thick wall

Upto 4.5 m above First Floor level

Plastering with C.M 1:3 for 20mm thick including curing etc. complete

Plastering with C.M 1:3 for 12mm thick including curing etc. complete

Special celling plastering 10mm thick with C.M. 1:3 for RCC slabs and beams, columns, roof slabs and sun shade

Flooring 100mm thick base concrete in C.M. 1:4:10 using 40mm B.G. jelly etc. complete

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

Weathering course: Concrete with broken brick jelly 20mm guage in pure slacked lime over RCC roof slab in proportion of 32:12 (no sand to be used) well beaten with wooden beaters to be required depth of 80mm thick and giving rerquired slope and thickness to roof as required etc. complete.

Terrace flooring with two course of pressed tiles 15x15x12 cm using cement mortor 1:3 mixed with crude oil 10% by weight of cement and pointed with same oiled mortor

Supplying and erecting rolling shutters 76mm, 18 guage of galvanized steel sheet with push and pull type or self coiling type operated by pulling hook with top cover including locking arrangements and fixed in position inside or outside etc. complete and painting with priming coat of red oxide without lock (Payment will be made only for actual opening of shutters)

UPVC OPENABLE TYPE WINDOW SIZE 1.2M X 1.3M Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with G1/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work

ALUMINIUM DOOR SINGLE LEAF SIZE 2.1M X 1.0M Supplying, fabricating and fixing in position of Alumi. Anod. natural colour matt finish door half glazed and half PLB board using 12 mm thick PLB board and 5.5 mm thick glazed door using rectangular Alu.Box section of size (Frame : Section - 101.60 x 44.45 x 3.18 mm @ 2.399 Kg/m, Shutter : Top, Middle, Vertical style- 50 x 44.45 x 2.5mm @ 1.292 Kg/m, Bottom - 100 x 44.45 x2.5mm @ 1.974 Kg/m) with necessary accessories such as rubber beading, Al. Clips, Best double action floor springs, Aluminium Handles on both sides, floor stopper, Tower bolt, Locks and glass including all materials, Labour, power consemption charges required for fabrication if necessary chipping, dismantling making necessary holes in RCC Coloums, Beams or Masonry wherever necessary with power drill to the extent required and made good to the original conditions after fixing etc.,complete. The Alumi. surface must be anodised with matt finish under electrically controlled condition in accordance with IS specification 1868 / 1962 of Anodic filthickness of not less than 15 Microns (Fifteen) for all sections.All the materials should be got approved by the Site Engineer before fixing as directed.

Supplying and fixing M.S. grills for window and gate including one coat of primer with red lead etc. complete as directed.

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

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

White washing three coats (Ceiling)

Painting two coats with superior quality ready mixed paints of chocholate colour, light green, grey colour or any other approved colour over painting with primary coat (red lead) on new iron work: Rolling Shutter

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

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations & basement

Disposal of surplus earth

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)

PLUMBING WORKS

Supply and delivery and fixing of HDPE tank 500 litres capacity as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges as directed at site etc.,

Supply and delivery of domestic pumpset (centrifugal monobloc pumpset of capacity 100lpm and 20m head with ISI mark as per IS 9079/1989-1HP) including necessary electrical works etc., complete.

Supplying and fixing 25mm GI pipe

Supplying and fixing 25 mm GI Gate Valve

Supplying and fixing 20mm C.P Screw down Tap

Providing and fixing 160 mm dia PVC Rainwater downfall pipe from roof to the RWH chamber for collecting the water (2 m horizontal distance from RWH pit)

Providing and fixing 75mm dia Nahani trap (floor trap) with brass gratings

Providing 75 mm dia PVC pipe from Nahani floor trap to the RWH chamber for collecting the rain water and tap water.

Bill No 4H: RTK Survey

RTK Survey for the Underground sewer system along the roads for the distance 50 to 100 km

Survey for the surface assets like SPS, LS, etc

Bill No 5:SEWAGE LIFT STATION NEAR RS LS, FOR VELLALA STREET UGSS

Supply, delivery, erection, testing and commissioning of non-clog submersible sewage pumpset with following duty point, driven by 3 Ph, 415 V, AC, 50 Hz, Electrical Motor with suitable weather proof cable (Copper ) of total length of 25 m, control panel, Pedestal Coupling, required length of guide wire / guide pipe, M.S.(GLVD) lifting chain, 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 in trays and incidental civil works etc.complete.

Sew. Pump - 540 lpm against a total head of 13 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.

Sew. Pump - 1 kVAR

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

Capacity of M.V. Panel - 32 Amps

32 A FP(SN) MCCB 25 kA (for EB) - 1 No

16 A TP MCCB 25 kA for Sew. Pump - 2 Nos

16A TP MCCB 25kA (forSew. Pumpcap.)-2Nos

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 (UG)

size 4C, 6 Sqmm

From 16 A MCCB of MV Panel to Control Panel of Sew. Pump (UG)

size 4C, 6 Sqmm

From 16 A MCCB of MV Panel to Sew. Pump Capacitors (UG)

size 3C, 6 Sqmm

From control Panel of Pump to Local P.B. Station size 3 core 2.5 sq.mm copper (UG)

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 sq.mm (Sew. Pump)

size 3C, 6 Sqmm (Sew. Pump capacitor)

size 3 core 2.5 sq.mm copper (LPB)

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).

Run of 2 of 2.5 sq mm PVC unsheathed aluminium 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 aluminium 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

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.

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

25 x 6 mm GI Flat

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. 6 : SEWAGE PUMPING STATION AT LS, FOR NELSON MANICKAM ROAD UGSS

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 25 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 - 1200 lpm against a total head of 15 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 - 2 kVAR

Supplying and fixing of 63 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 63 Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

Capacity of M.V. Panel - 63 Amps

63 A FP(SN) MCCB 25 kA (for EB)

32 A FP(SN) MCCB 25 kA (for DG)

20 A TP MCCB 25 kA for Pump 1

20 A TP MCCB 25 kA for Grit Pump

16 A TP MCCB 25kA (for Pump 1 cap.)

16 A TP MCCB 25kA (for Grit Pump cap.)

63 A TP MCCB 35kA (for PLC Panel)

32 A TPN MCB 10kA (for LDB & PLC)

Capacity of D.G. Set - 20 kVA

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 63 Fuse Carriers to 63 Amps SFU & from there to 63 Amps MCCB Switch of MV panel (Wall) size 3.5C, 25 Sqmm

From Control Panel of DG to 32A MCCB of MV Panel (Under ground) size 4C, 6 Sqmm

From 20 A MCCB of MV Panel to Control Panel of Pump 1 (Wall) size 4C, 6 Sqmm

From 16 A MCCB of MV Panel to Pump 1 Capacitors (Wall) size 3C, 6 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 3.5C, 25 Sqmm (EB)

size 4C, 6 Sqmm (DG)

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

size 3C, 6 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 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

Wiring with 2.5 sq.mm PVC unsheathed single core copper cable on suitable rigid PVC pipe for 5A 3 pin CS plug non interlocking including supply and fixing of plug pin top in MS box with continuous earth connection by 14 SWG TC wire.

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

Tong Tester ( clamp on type- multiutility) AC voltage 0 - 750 V AC current 0 - 1000 A DC voltage 0 - 1000 V Resistance 0 - 40 mega ohms

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 suitable for maximum depth of suction 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.

Thirumalai Enterprises