Bengaluru Water Supply And Sewerage Board Tender

code21 - Providing, laying, spreading and compacting 200 mm graded stone aggregate to Wet Mix Macadam (WMM) 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 in sub base/ base course on well prepared surface and compacting with vibratory roller/ tamper/plate vibrator to achive the desired density complete as per Specifications.

code02 - Earth work excavation for pipelines/cables by Manual means upto 600 mm trench width, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, removal of stumps and other deleterious matter, including dressing of excavated surfaces, disposing off or leveling the excavated earth or sorting & stacking the selected earth for reuse in a radius of 50 m. Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering and lift upto 1.5 m including cost of labour, tools, usage& other appurtenances required to complete the work. All kinds of soils. Depth upto 1.50 m.

code03 - Manufacturing, providing, trasporting, rolling, lowering, laying, jointing and commissioning of ERW (Electric Resistance Welded)/SAW (Submerged Arc Welded) MS pipes of Outer dia (Fe-410 grade) conforming to IS 3589-2001 with latest amendments, including perfect linking and welding of joints to correct position, cost of the pipes, conveyance, lead, lift charges, 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 inside with CM 1:1.5 lining of minimum 10mm thick for pipes upto 610mm OD and with minimum 12mm thick beyond 610mm OD and out side with minimum 25mm thick coating in CM 1:3 over 50 x 50mm weld mesh of 13 gauge, including loading and unloading of pipes for the following diameters and specified thickness of plate as noted below, including bailing out of water wherever necessary. (Contractor will make his own arrangements for procuring water for testing). For MS Pipes of 219mm dia Note: a) No Negative tolerance in respect of thickness is pemissible. b) Basic Cost of MS Plate is considered as Rs.68,200/- per MT c) The pipe costs are FOR destination anywhere in Karnataka. for MS pipe of 273.1mm dia 6.4mm thick

code19 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work

code01 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately Granular course

code13 - 150mm dia End Caps

code07 - 150mm dia collar

code08 - Providing Ductile Iron Push on special confirming to IS 9523:2000 100mm dia 90 deg Bend

code15 - 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 reconstructed with available size stones in CM 1:8 and providing coping in CC 1:3:6 wherever required and the stone slabcovering 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 For minimum length of 2.0 mtrs.

code10 - Providing Ductile Iron Push on special confirming to IS 9523:2000 Socketed DI Equal Tees 100x100x100 Tee

code17 - 150mm dia valve

code18 - 250mm dia valve

code06 - Providing Ductile Iron Push on special confirming to IS 9523:2000 All DI flanged MJ Collar 100mm dia collar

code16 - 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-10: (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 100mmdia valve

code22 - Providing and constructing un-reinforced plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M20 (Grade), coarse and fine ggregates conforming to IS:383:2016, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in ontinuous operation including construction joints, , primer, sealant , curing of concrete slabs for 14-days, and water finishing to lines and grade as per drawing and technical specification clause 1501 with all lead, lifts, loading & unloading charges, cost and conveyance of all materials, labour, equipments etc., complete. as per the directions of the Engineer-in-charge of the work

code05 - For 150 mmdia DI pipe line

code14 - Manufacturing, providing, trasporting, rolling, lowering, laying, jointing & testing and commissioning of MS specials of minimum 8mm thick such as bends, tail pieces, reduces etc. conforming to IS-7322:1985 with latest amendments and including perfect linking and welding of joints to correct position includng cost and conveyance of materials with all lead and lifts, cost 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 coat 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 minium of 50 micron thick (after dry) and outside 25mm thick coating in CM 1:3 by providing 50x50mm weld mesh including loading and unloading of the pipes for the following category to suit PSC / MS / CI / AC / DI / PVC pipes. The weight of MS shell only by 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 for: Note: 1) For small works where the C.M. lining is not practicable for inside surface of the pipe, food grade expoxy painting of two coat over one coat of epoxy primer may be proposed and got approved. 2) The above rates are applicable only for pipe works etc. Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes

code04 - Providing and laying Ductile Iron pipes of class conforming to IS8329:2000 with latest amendments, conveying to work site, rolling andlowering into trenches, laying true to line, level and perfect linking atjoints, testing and commissioning, including loading and unloading atboth destinations, cutting of pipes wherever necessary, jointing with DIspecials (excluding cost of specials) and rubber gaskets, cleaning thesocket and spigot end with soap solution, applying soft soap to the socketand spigot ends before insertion of rubber gaskets, jacking and fixingin perfect conditions etc. The cost to include soap solution, soft soap,waste etc. and giving necessary hydraulic test to the required pressureas per ISS with all lead and lifts and cost of all jointing materials. (Thecontractor will make his own arrangements for water for testing. Earthwork excavation in trenches to be measured and paid for seperately)Note: In sewerage projects for internal cement mortal lining ( CML ) ofDI pipes, if High Alumina Cement ( HAC ) as recommended in AnnexureB clause 16.3 of IS8329:2000 is considered in place of Slag or SulphateResistance Cement ( SRC ), the cost of pipes may be increased by 5-6%from the prices listed For K9 100 mmdia DI pipe line

code20 - 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 etc. with: