CNT/WSS/NCB/I and A/3505/2022-23

Amount

BILL NO A : Supplying, Laying, Jointing, Testing and Commissioning of Second row of 2000mm Nominal Diameter Mild Steel Spirally Welded Pipes for balance portions (Gap 5 to 7) at different locations between Chembarambakkam Water treatment plant and Poonamallee by-pass Road junction near Saveetha Dental College for a length of 744 m supply and 584 m laying

Earthwork excavation and depositing on bank with initial lead of 10 metres and initial lift 2.00m 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 including bailing out sub-soil water during excavation (excluding timbering )(Depth measured from GL) etc complete.

Depth from 0 to 2 m

Depth Greater than 2 m and upto 3 m

Depth Greater than 3 m and upto 4 m

Depth Greater than 4 m and upto 5 m

Providing shoring and strutting for excavated trenches to a depth of 5 m using wooden planks, sheet piles, strutts for protecting the trenches including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time.

Refilling the trenches with quarry rubbish including supplying, conveying of quarry rubbish, including necessary incidental, loading & unloading charges , watering consolidating to the desired compaction etc. complete at National Highways Portion

Refilling the trenches with excavated earth including watering and consolidating to the desired compaction etc. complete.

Filling the low lying areas found in the Board's lands acquired for laying the pipeline using the surplus excavated earth including loading and unloading and depositing in specified nearby areas as directed

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 at NHAI , TNRDC and Nazratpet Jn

MILD STEEL PIPES

Supplying SPIRALLY welded M.S. Pipes of nominal dia 2000mm, ID of shell 2025 mm x 14mm wall thickness with taper short sleeve joint including shop applied internal lining of 12.5 mm thick in cement mortar (the cement mortar shall have a minimum cement content of 1000kg/cum) as per specification and coating outside with fibre reinforced coal tar enamel coat as per IS 3589 (2001) specification and transporting the pipes from the place of manufacturing to the stock yard unloading, stacking etc complete (Note: Only the length of pipes that will be actually laid at the site will alone be eligible for payment, extra quantity of pipes arrived at the site that are not used for laying should be removed from the site and are not eligible for payment).

Lowering, laying, jointing, MS pipes of nominal dia 2000mm, ID of shell 2025mm x 14mm wall thickness stated above including field welding as per IS specification,etc complete including all jointing materials etc complete as per specification and as directed by Board officials.

CMWSSB land

NHAI, SH, SH Crossing , etc, Roads involving nightworks

Testing of M.S./C.I./P.V.C./D.I 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 occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete and commissioning MS pipes of nominal dia 2000mm, ID of shell 2025mm x 14mm wall preliminary air testing of joints and final hydraulic testing to the required pressure as per the specification etc complete including all jointing materials etc complete as per specification and as directed by Board officials.

Manufacturing, supplying, and delivery of mild steel specials / fixtures / cut lengths / short pipe fabricated from 14mm thick MS plates as per IS 7322 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, providing 12.5 mm thick cement mortar internal lining (the cement mortar shall have a minimum cement content of 1000kg/cum) and outer coating with fibre reinforced coal tar enamel coat as per specification including cost of all work labour, supply of materials, nominal reinforcement, and fixing in position, removing, stacking of rebounds, supply of rubber packing, bolts, nuts etc. wherever required and transporting to work site, unloading, jointing including jointing materials, field testing and commissioning etc. complete as per specification and as directed by Board 0fficials, unloading, stacking near the site etc complete.(Note: Only specials that will be actually laid at the site will alone be eligible for payment, extra quantity of specials arrived at the site that are not used for laying should be removed from the site and are not eligible for payment)

For 90 deg. bends of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness - 14 Nos - (4058 kg/no.)

For 45 deg. bends of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness - 8 Nos (2726 kg/no.)

For 22.5 deg. bends of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness - 3 Nos (1596 kg/no.)

Air Valve tee of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness (shell 2025x2025x200mm ) with flange only at 200 mm dia end - 3 Nos - (1144 kg/no.)

Manhole Tee of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness (shell 2025 x 2025 x 600mm ) with flange only at 600mm dia end - 6 Nos - (1479 kg/no.)

Manhole 600mm pipe insertion over existing line with flange on one side - 6 Nos - (70 kg/no.)

M.S. taper of nominal diameter 2000mm, ID of shell 2025mm/1500mm x 14mm wall thickness to insert s.v. - 2 Nos - (1619 Kg/no.)

For dismantling pieces of shell 1500 mm dia x 14mm wall thickness with both ends flanged and average length 0.45m as specified in the drawing (to be provided near sluice valve) - 1 Nos - (689 kg/no)

Spigot flanged tail piece of shell 1500mm x 14mm wall thickness, 1500 mm long (one with straight flange and other with inclined flange constituting a pair) to be provided on either side of s.v - 2 Nos - (1077 kg/no)

For MS collar of nominal diameter 2053mm x 14mm wall thickness - 8 Nos (236 kg/no.)

For MS collar of nominal diameter 1528mm x 14mm wall thickness - 4 Nos (176 kg/no.)

Providing, fabricating, lowering, fixing, and welding 600 mm dia M.S. Manholecover with flange rings including loading and unloading, transportartion charges, tack welding, drilling holes and supply of bolts and nuts etc., complete as directed 12 Nos - (83 kg/no)

Supplying, conveying to the site and fixing the CI double flanged sluice valves / Air valves with ISI mark for isolation / scouring, sluice / scour valves each non rising spindle type with DI hand wheel of following sizes including loading, unloading, transportation charges and stacking at the site, testing etc. complete as per specifications and as directed by Board officials.

200mm dia kinetic air valves with sluice valve arrangement

Supply and Delivery of 1500 mm dia DI D/F Butterfly Valves with GGG40 or equivalent grade as per IS 3896 (part 2) 1985, Electrically operated and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 PN16

conveying to the site and fixing the CI double flanged sluice valves / Air valves with ISI mark for isolation / scouring, sluice / scour valves each non rising spindle type with DI hand wheel of following sizes including loading, unloading, transportation charges and stacking at the site, testing etc. complete as per specifications and as directed by Board officials.

1500 mm dia size sluice valves

Construction of RCC Chambers in M25 concrete for housing varies valves with sizes all specifies as per drawings including the cost of excavation shoring,strutting if necessary, with inner plastering in C.M 1:3 for 20 mm thick and outer plastering in C.M 1:3 for 12 mm thick including reinforcement, formwork for RCC, dewatering, refilling, disposal etc. complete and providing and fixing L.S cover and frame of size 60x60 cm in the RCC roof slab etc., complete as per drawings and specifications and as directed for following chambers

Chambers for 200 mm dia air valve

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 as per SS 20B with initial lead of 10m and lift of 2.0m

Depth 0 to 2m

Depth 2m to 3m

Depth 3m to 4m

Depth 4m to 5m

Depth 5m to 6m

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

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

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, etc., as per standard specification and as directed by the Board officers complete.

upto 1.5m from G.L

above 1.5m and upto 4.50m below GL

above 4.5m and upto 9.00m below GL

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

Supplying, fabricating and laying in position MS rounds or RTS rods for RCC works including cost of reinforcement, binding wire, cutting bending, cranking and tying in position with binding wire assembly, etc

Supplying and fixing CI steps

Plastering with C.M.1:3 (M-sand) for 20 mm thick including curing etc., complete.

Plastering with C.M.1:3 (M-sand) for 12mm thick including curing etc., complete.

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

Filling the low lying areas found in the Board's lands acquired for laying the pipeline using the surplus excavated earth including loading and unloading and depositing in specified nearby areas as directed.

Providing and fixing L.S. cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete.

Cement Concrete 1:2:4 using 12 to 20mm gauge hard broken stone jelly for plain cement concrete works including laying compacting, curing etc. complete for Bed Block 2

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 shoring and strutting to a required depth using formwork with wooden planks and struts for protecting the excavation including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time for open excavation.

Chambers for 1500 mm dia Sluice valve

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 as per SS 20B with initial lead of 10m and lift of 2.0m

Depth 0 to 2m

Depth 2m to 3m

Depth 3m to 4m

Depth 4m to 5m

Depth 5m to 6m

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

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

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, etc., as per standard specification and as directed by the Board officers complete.

upto 1.5m from G.L

above 1.5m and upto 4.50m below GL

above 4.5m and upto 9.00m below GL

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

Supplying, fabricating and laying in position MS rounds or RTS rods for RCC works including cost of reinforcement, binding wire, cutting bending, cranking and tying in position with binding wire assembly, etc.

Supplying and fixing CI steps

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

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

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

Filling the low lying areas found in the Board's lands acquired for laying the pipeline using the surplus excavated earth including loading and unloading and depositing in specified areas as directed

Providing and fixing L.S. cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete.

Cement Concrete 1:2:4 using 12 to 20mm gauge hard broken stone jelly for plain cement concrete works including laying compacting, curing etc. complete for Bed Block

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 shoring and strutting to a required depth using formwork with wooden planks and struts for protecting the excavation including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time for open excavation.

Providing and laying RCC 1:2:4 with 20mm thick blue granite jelly concrete for thrust blocks and anchor blocks for specials with side shuttering, curing and necessary extra excavation but including reinforcement as per drawing and as directed complete.

For 90 deg. Bends of MS pipes of nominal dia 2000mm, of shell 2025 mm dia x 14mm wall thickness, 10m x 4m x 4m

For 45 deg. bends of MS pipes of nominal dia 2000mm, of shell 2025 mm dia x 14mm wall thickness, 6m x 4m x 4m

For 22.5 deg. bends of MS pipes of nominal dia 2000mm, of shell 2025 mm dia x 14mm wall thickness, 3m x 4m x 4m

Interconnection work with existing 2000mm dia near saveetha and kfc

Earthwork excavation and depositing on bank with initial lead of 10 metres and initial lift 2.00m 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) (Depth measured from GL) etc complete.

Depth 0 to 2m

Depth Greater than 2m and upto 3m

Depth Greater than 3m and upto 4m

Depth Greater than 4m and upto 5m

Refilling the trenches with excavated earth including watering and consolidating to the desired compaction etc. complete.

Refilling the trenches with quarry rubbish including supplying, conveying of quarry rubbish, including necessary incidental, loading & unloading charges, watering consolidating to the desired compaction etc. complete at Poonamalle High Road (NH4)

Providing shoring and strutting for excavated trenches to a depth of 4m using wooden planks, sheet piles, strutts for protecting the trenches including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time.as per data sheet (near Saveetha Dental College and Plant)

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 at Poonamallee High Road & Near Plant

MILD STEEL PIPES

Cutting MS pipes - 2000mm dia

Manufacturing, supplying, & delivery of mild steel specials / fixtures / cut lengths / short pipe fabricated from 14mm thick MS plates as per IS 7322 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, providing 12.5 mm thick cement mortar internal lining (the cement mortar shall have a minimum cement content of 1000 kg/cum) and outer coating with fibre reinforced coal tar enamel coat as per specification including cost of all work labour, supply of materials, nominal reinforcement, and fixing in position, removing, stacking of rebounds, supply of rubber packing bolts, nuts etc.wherever required and transporting to work site, unloading, jointing including jointing materials, field testing and commissioning etc. complete as per specification and as directed by Board 0fficials, unloading, stacking near the site etc complete. - for interconnection work.(Note: Only specials that will be actually laid at the site will alone be eligible for payment, extra quantity of specials arrived at the site that are not used for laying should be removed from the site and are not eligible for payment)

Tee of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness (shell 2025x2025x2025mm ) without flange - 1 Nos - (2320 kg/no.)

For MS collar of nominal diameter 2053mm x 14mm wall thickness - 3 Nos (236 kg/no.)

Manhole Tee of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness (shell 2025 x 2025 x 600mm ) with flange only at 600mm dia end - 2 Nos - (1479 kg/no.)

Providing and laying RCC 1:2:4 with 20mm thick blue granite jelly concrete for thrust blocks and anchor blocks for specials with side shuttering, curing and necessary extra excavation but including reinforcement as per drawing and as directed complete.

For Mild steel Tee of nominal dia 2000 mm, of shell 2025 mm dia x 14 mm wall thickness, 2025mm x 2025mm x 2025mm, 10m x 4m x 4m , 1 no.

Hire charges for diesal pumpset 7.5 HP with fuel and crew charges including transportation for bailing out water

Bill no. B Supplying & Laying M.S. spirally welded pipes of nominal diameter 1200 mm from 2nd line 2000 mm near Saveetha Dental college to 1200 mm Tambaram line

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth and earth mixed with small size boulders as per SS 20B with initial lead of 10m and lift of 2m etc complete.

Depth 0 to 2m

Depth greater than 2m and upto 3.0m for pipes - upto 2.5m

Depth greater than 3m and upto 4.0m

Providing shoring and strutting for excavated trenches to a depth of 5 m using wooden planks, sheet piles, strutts for protecting the trenches including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time.

Cutting asphaltic concrete road - Bus route

Refilling the trenches with excavated earth including watering, consolidating ramming etc. complete.

Refilling the trenches with quarry rubbish including watering, consolidating ramming etc. complete. (approx. 5% of refilling qty)

Disposal of surplus excavated earth including loading and unloading and depositing in specified areas upto 6 km distance as directed.

MILD STEEL PIPES

Supplying SPIRALLY welded M.S. Pipes of nominal dia 1200mm ID of shell 1225 mm x 12mm wall thickness with taper short sleeve joint including shop applied internal lining of 12.5 mm thick in cement mortar (the cement mortar shall have a minimum cement content of 1000kg/cum) as per specification and coating outside with shop applied fibre reinforced coal tar enamel coat as per specification inclusive of all taxes and duties and transporting the pipes from the place of manufacturing to the stock yard unloading, stacking etc complete. (Note: Only the length of pipes that will be actually laid at the site will alone be eligible for payment, extra quantity of pipes arrived at the site that are not used for laying should be removed from the site and are not eligible for payment).

Lowering, laying, jointing, testing and commissioning MS pipes of nominal dia 1200mm ID of shell 1225mm x 12mm wall thickness stated above including field welding as per specification, preliminary air testing of joints and final hydraulic testing to the required pressure as per the specification etc complete including all jointing materials etc complete as per specification and as directed by Board officials.

MILD STEEL SPECIALS

Manufacturing, supplying, delivery of mild steel specials/fixtures/ cut lengths/short pipe fabricated from 12mm thick MS plates as per IS 7322 with spigots/sockets, flanges including cutting the plates, bending drilling holes, welding, providing 12.5 mm thick cement mortar (the cement mortar shall have a minimum cement content of 1000kg/cum) internal lining and outer coating with shop applied fibre reinforced coal tar enamel coat as per specification including cost of all work labour, supply of materials, nominal reinforcement, and fixing in position, removing, stacking of rebounds, supply of rubber packing bolts, nuts etc.wherever required and transporting to work site, unloading, jointing including jointing materials, field testing and commissioning etc. complete as per specification and as directed by Board Officials, unloading, stacking near the site etc complete.(Note: Only specials that will be actually laid at the site will alone be eligible for payment, extra quantity of specials arrived at the site that are not used for laying should be removed from the site and are not eligible for payment)

For 90 deg. bends of nominal diameter 1200mm ID of shell 1225mm x 12mm wall thickness - 3 nos. - (1352 kg/no.)

For Sluice Valve and Main line

M.S. taper of shell 1225mm / 800 mm x 12mm wall thickness to insert s.v. - 2 nos. - (667kg/no.)

M.S. taper of shell 2025mm / 1200mm x 14 mm wall thickness to insert s.v. - 1 nos. - (2178kg/no.)

Tee of nominal diameter 2000mm, ID of shell 2025mm x 14mm wall thickness (shell 2025x2025x2025mm ) without flange - 1 nos. - (2320 kg/no.)

For dismantling pieces of shell 800 mm dia x 12mm wall thickness and length specified in the drawing (to be provided near sluice valve) - 1 nos. - (123kg/no)

Spigot flanged tail piece of shell 800mm x 12mm wall thickness, 1500 mm long (one with straight flange and other with inclined flange constituting a pair )to be provided on either side of s.v - 2 x 1 = 2 nos. - (401kg/no)

For 600mm dia M.S. Manholecover of shell 600 mm x 12mm wall thickness, 1 nos. - (83 kg/no)

For 824mm (ID) MS collar of nominal diameter 1024mm ID x 12mm wall thickness (for 800mm (ID) pipeline) - 2 nos. (82 kg/no.)

Supplying, conveying to the site and fixing the CI double flanged sluice valves / Air valves with ISI mark each non rising spindle type of following sizes including loading, unloading, transportation charges and stacking at the site, testing etc. complete as per specifications and as directed by Board officials.

800 mm CI sluice valves

Jointing the Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete and testing the pipes to the required pressure with water (including cost of jointing materials)

800 mm dia

Construction of RCC chambers in M25 concrete for housing various valves with sizes all specified as per the drawings including the cost of excavation shoring, strutting if necessary, with inner plastering in C.M 1:3 for 20 mm thick and outer plastering in C.M 1:3 for 12mm thick including reinforcement, formwork for RCC, dewatering, refilling, disposal etc.complete and providing and fixing L.S. cover and frame of size 60 x 60cm in the RCC roof slab etc., complete.as per drawings and specifications and as directed for following chambers.

Chamber for 800 mm dia CI Sluice valve

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 as per SS 20B with initial lead of 10m and lift of 2.0m

Depth 0 to 2m

Depth 2m to 3m

Depth 3m to 4m

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

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

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, etc., as per standard specification and as directed by the Board officers complete.

upto 1.5m from G.L

above 1.5m and upto 4.50m below GL

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

Supplying, fabricating and laying in position MS rounds or RTS rods for RCC works including cost of reinforcement, binding wire, cutting bending, cranking and tying in position with binding wire assembly, etc

Supplying and fixing CI steps

Plastering with C.M.1:3 (M-sand) for 20 mm thick including curing etc., complete.

Plastering with C.M.1:3 (M-sand) for 12mm thick including curing etc., complete.

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

Disposal of surplus earth

Providing and fixing L.S. cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete.

Cement Concrete 1:2:4 using 12 to 20mm gauge hard broken stone jelly for plain cement concrete works including laying compacting, curing etc. complete for Bed Block 2

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 shoring and strutting to a required depth using formwork with wooden planks and struts for protecting the excavation including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time for open excavation.

Providing and laying 1:3:6 with 40mm thick blue granite jelly concrete for thrust blocks and anchor blocks for specials with side shuttering, curing and necessary extra excavation as per drawing and as directed complete.

For 90 deg. bends of nominal diameter 1200mm

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 at Poonamallee High road

Interconnection work with existing 1200mm near Saveetha Dental college

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth and earth mixed with small size boulders as per SS 20B with initial lead of 10m and lift of 2m etc complete.

Depth 0 to 2m

Depth 2m to 3m

Depth 3m to 4m

Refilling the trenches with excavated earth including watering and consolidating to the desired compaction etc. complete.

Refilling the trenches with quarry rubbish including watering consolidating to the desired compaction etc. complete. (approx. 5% of refilling qty) (subject to requirement at the site) As per data sheet

Providing shoring and strutting for excavated trenches to a depth of 4m using wooden planks, sheet piles, strutts for protecting the trenches including cost and conveyance of all materials, labour charges and removal of all shoring and strutting at appropriate time.as per data sheet (near Saveetha and Plant)

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 at Poonamallee High road

MILD STEEL PIPES

Cutting MS pipes

1200mm dia near Plant and Saveetha

Manufacturing, supplying, & delivery of mild steel specials / fixtures / cut lengths / short pipe fabricated from 14mm thick MS plates as per IS 7322 with spigots/sockets, flanges including cutting the plates, bending, drilling holes, welding, providing 12.5 mm thick cement mortar internal lining (the cement mortar shall have a minimum cement content of 1000 kg/cum) and outer coating with fibre reinforced coal tar enamel coat as per specification including cost of all work labour, supply of materials, nominal reinforcement, and fixing in position, removing, stacking of rebounds, supply of rubber packing bolts, nuts etc.wherever required and transporting to work site, unloading, jointing including jointing materials, field testing and commissioning etc. complete as per specification and as directed by Board 0fficials, unloading, stacking near the site etc complete. - for interconnection work.

Tee of nominal diameter 1200mm, ID of shell 1225mm x 12mm wall thickness (shell 1225x1225x1225mm ) without flange - 1 nos. - (925 kg/no.)

For MS collar of nominal diameter 1249mm x 12mm wall thickness - 3 nos. (124 kg/no.)

Providing and laying 1:3:6 with 40mm thick blue granite jelly concrete for thrust blocks and anchor blocks for specials with side shuttering, curing and necessary extra excavation as per drawing and as directed complete.

For Mild steel Tee of nominal dia 1200mm, of shell 1225 mm dia x 12mm wall thickness, 1225mm x 1225mm x 1225mm,1 no.

Hire charges for diesal pumpset of 7.5HP with fuel and crew charges including transportation for bailing out water

Neer Technologies Pvt Ltd