Bengaluru Water Supply And Sewerage Board Tender

Code-4 - Providing and laying Ductile Iron pipes of class conforming to IS 8329:2000 with latest amendments, conveying to work site, rolling and lowering into trenches, laying true to line, level and perfect linking at joints, testing and commissioning, including loading and unloading at both destinations, cutting of pipes wherever necessary, jointing with DI specials (excluding cost of specials) and rubber gaskets, cleaning the socket and spigot end with soap solution, applying soft soap to the socket and spigot ends before insertion of rubber gaskets, jacking and fixing in perfect conditions etc. The cost to include soap solution, soft soap, waste etc. and giving necessary hydraulic test to the required pressure as per ISS with all lead and lifts and cost of all jointing materials. (The contractor will make his own arrangements for water for testing. Earth work excavation in trenches to be measured and paid for seperately) Note: In sewerage projects for internal cement mortal lining ( CML ) of DI pipes, if High Alumina Cement ( HAC ) as recommended in Annexure B clause 16.3 of IS8329:2000 is considered in place of Slag or Sulphate Resistance Cement ( SRC ), the cost of pipes may be increased by 5-6% from the prices listed. For DI K9 pipe 100MM

Code-5 - 150 mm

Code-6 - 250 mm

Code-7 - 300 mm

Code-8 - Providing and fixing DI MJ specials such as branches and bends suitable for DI K7 and K9 pipes and CI LA class pipes, as per IS 13382 with latest amendments with complete accessories and fixing at site excluding earth work but including loading, unloading, freight charges etc. complete for:DI MJ specials - Branch 150 x 100mm

Code-9 - DI MJ specials - Branch 150 x 150mm

Code-10 - DI MJ specials - collar 150mm dia.

Code-11 - DI MJ specials - Branch 100 x 100mm

Code-12 - DI MJ specials - Branch 150 x 100mm

Code-13 - DI MJ specials - Bend 100 x 45 degree mm

Code-14 - DI MJ specials - Bend 100 x 90 degree mm

Code-15 - DI MJ specials - collar 100mm dia.

Code-16 - DI MJ specials - collar 150mm dia.

Code-17 - Manufacturing, providing, transporting, rolling, lowering, jointing and commissioning of MS specials of minimum 8 mm thick confirming to IS 7322:1985 with latest amendments, perfect linking and welding of joints to correct position including cost and conveyance of materials with all lead and lifts, cost of all labour and giving satisfactory hydraulic test as per IS 3589:2001 with latest amendments for test pressure and working pressure both at factory and site etc., complete as per detailed specifications with inside lining two coats of food grade epoxy painting of approved make with each coat of 250 micron, thick (after dry) over one coat of food grade epoxy primer of approved make with minimum of 50 micron, thick (after dry) and outside 25mm thick coating in CM 1:3 by providing 50 x 50mm weld mesh including loading and unloading of pipes for the following category to suit PSC/MS/CI/AC/DI/PVC pipes. The rates are inclusive of all taxes and duties. The weight of the MS shell only be considered before lining and coating for arriving at the rate. The thickness of plate will be specified by the engineer (Contractor will make his own arrangements for procuring water for testing Upto 500 mm dia pipes

Code-18 - Providing Ductile Iron Push on special confirming to IS 9523:200 150mm diameter 22.50 degree

Code-19 - 250mm diameter 22.50 degree

Code-20 - 300mm diameter 22.50 degree

Code-21 - 100mm diameter 22.50 degree

Code-22 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All socketed D.I. Un-Equal Tees DI MJ specials - Bend 150 x 45 degree mm

Code-23 - DI MJ specials - unequal tees 250 x 150 mm

Code-24 - DI MJ specials - Bend 150 x 90 degree mm

Code-25 - DI MJ specials - unequal tees 300 x 150mm

Code-26 - DI MJ specials - Bend 250 x 90 degree mm

Code-27 - DI MJ specials - collar 250mm dia.

Code-28 - DI MJ specials - collar 300mm dia.

Code-29 - DI MJ specials - equal tees 300 x 300 x 300 mm dia

Code-30 - DI MJ specials -unequal tees 300 x300x 100mm

Code-31 - DI MJ specials - unequal tees 300 x 150mm

Code-32 - 100mm dia MJ collar

Code-33 - 100 x 100mm dia DI MJ Special Branch

Code-34 - 150 x 100mm dia DI MJ Special Branch

Code-35 - 150mm dia MJ collar

Code-36 - Providing, fabricating and fixing at site various diameter MS MJ ends with dummy plates (end plates0) to suit CI/DI spigots end as per the sketch. The cost is inclusive of all materials, i.e, rubber 'O' rings, flanges, bolts and nuts, dummy plates, consumables, hire charges, tools and welding equipments, lead and lifts, etc. complete as per the instructions of Engineer in charge100 MM Dia

Code-37 - 150 MM Dia

Code-38 - 250 MM Dia

Code-39 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of variouis dia. with body bonnet of Ductile Iron (DI) conforming ti IS-1865 with the latest amendments and of grade GGG 40/50, shaft of stainless steel, wedge fully rubber lined with EDPM seals of NBR and the valves should be vacum tight and 100% leak proof with face to face dimensions as per IS 14846-2000 with the latest amendments only. The stem sealing should be with toroidal sealing rings (minimum 2 " O " rings). Body and bonnet should be coated with Electrostatically applied Epoxy Powder Coating with minimum coating thickness of 250 micron both inside and outside. The rate is inclusive of cost of valves, T.P set, galvanized bolts & nuts and rubber insertions etc. but excluding earth work. For PN-16: (Note: TP set should be considered only for DI pipes estimate. For MS pipes estimates, TP sets cost of corresponding dia shall be deducted from the SR rates of valves and provision for corresponding dia MS flanges should be made in the estimate.) etc. complete 100 mm dia sluice Valve of PN 16.0

Code-40 - 150 mm dia sluice Valve of PN 16.0

Code-41 - 250 mm dia sluice Valve of PN 16.0

Code-42 - 300 mm dia sluice Valve of PN 16.0

Code-43 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Reducers / Tapers300 X 150 mm

Code-44 - 150 X 100 mm

Code-45 - Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50 m , and lift upto 1.5 m. Including cost of all labour complete as per specifications

Code-46 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work. for:

Code-47 - Providing house connection with excavation in all types of soils cutting with machine cutter without damaging the other utilities and Providing and laying of MDPE pipe (PE80)-PN 12.5 manufactured in accordance with ISO 4427-1996 with minimum required strength of 8 Mpa, hydraulic design stress of 6.3 Mpa and with minimum wall thickness of 2.3mm/GI pipe by making the bore of 15mm dia. size on the distribution mains using drilling bits or machines only and laying the pipe line at a depth not less than 0.45 mtrs. from the road surface, including providing 40mm dia. "A" class GI pipe as casing over the MDPE pipe from the bore point and upto the entrance of the premises and removing the stone slab covering of the drain and dismantling the size stone masonry wherever necessary and making bore in the wall of the premises. On entering the premises, connection should be continued with 20mm GI pipe by making "U" shape for the meter point below the ground level by making pit with sufficient space for the easy installation and removal of the water meter and providing vertical stand pipes on both sides of the meter. The connection should be secured firmly on the distribution main pipe with SS / Brass ferrule of size 1/2" x 3/4" and fixing the union joint and gate valve / stop cock before the meter point and a reflex valve / non-return valve should be fixed on the connection after the meter point. (All these fixtures should be of standard quality conforming to IS). The compression fittings for MDPE pipes conforming to ISO 14236 and its latest versions. If the connection is of HDPE pipe the work include electric fusion tapping T or saddles, PE 100 black colour pipe of PN 16 /SDR 11 or Higher grade conforming to standards with brass cutter cum flow regulator, water tight cap with O'ring, long spigot for making bore/tapping suitable to HDPE pipe by Electro fusion welding as per BS EN 12201-3 & EN 1555-3 standards. The Product should be tested to comply with BS 6920 for drinking water service in WRC - NSF, UK and DVGW certificate, Germany. The Saddle should be manufactured Virgin Compounded PE 100 material. Tapping Tee or Saddles with coupler and compression fittings with cost of GI pipes, as per diagram, all specials such as GI tee, GI elbow, GI coupler, stopper with appurtenances, and brass or SS tap The excavated trench should be refilled with soft selected earth and the dismantled masonry of the drain should be re-constructed with available size stones in CM 1:8 and providing coping in CC 1:3:6 wherever required and the stone slab covering should be refixed in position with pointing in CM 1:3 and also the bored wall of the premises should be re-done to the original position and the rates are inclusive of the cost of all the materials, cement, sand water etc., required for these works. The road suface should be compacted well and brought to the original condition and the excess earth or debris should be disposed off to a distance with an initial lead of 10 Kms. etc. complete for the following diameters: (for minimum length of 2m) etc. complete

Code-48 - Providing and fixing of non-corrosive Engineering Plastic moulded composite strap saddle with Stainless steel 304 threaded metal inserted for trapping outlet suiting for different sizes of clear bore conforming to IS 554 wide strap with elestrometic insulation for proper grip around the DI pipe with SS 304 bolts and nuts. Saddle to have rubber SBR grade 30 'O' ring around the tapping hole. All metal parts shall be made of SS 304 and saddle seal shall be of virgin rubber SBR grade 30/NBR (NSF61 approved). Fastners shall be of stainless steel 202 NC rolled threaded. M12 with tightening torque 14-15 Kg-m. For 100mm dia. pipes: etc. complete

Code-49 - Spreading of stone dust: Supplying and providing stone dust in the station yard or whereever required including watering, ramming, conslidiating and dressing. the rates includes the cost of the material, labour charges, required tools and plants etc, complete. work shall be carried as per instruction of engineering in charge of works as per standard proceudre.

Code-50 - Supply, laying, jointing, Testing and commissioning of service connections making bore holes for fix house service connections including road cutting, excavation, backfilling, disposal and road restoration with Male thread Metal Insert Elbow as per ISO 14236 with one end Compression joint and other end Male thread and Tested as per BS 6920 for Drinking water in any designated Laboratory, on mains not exceeding 200mm nominal diameter CPVC B68 service pipe of minimum 20 mm diameter, length not exceeding 3.0m, including strap Saddle and UPVC Ball Valve with one end Compression joint and other end Female joint as per ISO 4422-4 as per specification and as directed by Engineer. All terms and conditions as per the Bid Docuement

Code-51 - Supply, Laying , jointing of additional length (exeeding 3.0 m) of CPVC (as per IS 4985:2000) service pipe including road cutting , excavation , backfilling, disposal and road restortaion as per specifiactiom and as directed by Engineer . Maximum length for a house connection should not exeed 3 mts -All terms and conditions as per the Bid Docuement

Code-52 - Supply, laying and jointing of GI pipe of class B for encasement of CPVC service pipe as per specification and as directed by engineer.40mm dia GI Pipe (All terms and conditions as per the Bid Docuement )

Code-53 - Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.