Bengaluru Water Supply And Sewerage Board Tender

A04 - Supplying and fixing DI Resilient seated soft sealing SLUICE VALVE of variouis dia. with body bonnet of ductile iron (DI) conforming to IS 1865 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 only. The stem sealing should be with toroidal sealing rings (minimum 2 “ O “ rings). Body and bonut 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. (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.)For sluice Valve of PN - 16.0 and 300mm

A05 - Do-For sluice Valve of PN - 16.0 and 200mm

A06 - Do-For sluice Valve of PN - 16.0 and 100mm

A07 - Providing, fabrication, supply & fixing at site of various diameter MS MJ Ends to suit CI/DI pipes as per sketch. The cost is inclusive of all materials rubber 'O' ring, flanges, bolt & nuts,labour, consumables, hire charges for tools & tackles, welding equipment complete as per instructions of the Engineer in charge 100 mm dia

A08 - do-200 mm dia

A09 - do-300 mm dia

A10 - Providing, fabricaing and fixing at site various diameters of MS Flanges as per IS standards to fix sluice valves as per sketch. The rate to include cost of all materials, labour, consumables, hire charges for tools and tackles, weldiing equipments etc. complete as per instructions of the Engineer in charge for 300mm dia MS Flange 20mm thick

A11 - DO-200mm dia MS Line 20mm thick

A12 - 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

A13 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work

A14 - Manufacturing, providing, transporting, rolling, lowering, laying,jointing and commissioning of ERW (Electric Resistance Welded)SAW (Submerged Arc Welded) MS pipes (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 with inside with CM 1:1.5 lining of minimum 10 mm thick for pipes upto 610 mm OD and with minimum 12 mm thick beyond 610 mm OD and out side with minimum 25 mm thick coating in CM 1:3 over 50 x 50 mm 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. The rates are inclusive of all taxes and duties. (Contractor will make his own arrangements for procuring water for testing) 219 mm dia7.9 mm thick

A15 - do-Pipe of 323.9 mm dia 7.9 mm Thick

A16 - 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)

A17 - 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:100mm dia Collar

A18 - DO-DI MJ specials - Bend 100 x 90 degre

A19 - Providing house connection with excavation in all types of soils cutting with machine cutter without damaging the other utilities and supplying 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 aking 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 thedistribution 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 color pipie of PN 16 /SDR 11 or Higher grade conforming to standards with brass cutter,flow regurator,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 for 15 mm dia

A20 - Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications.

A21 - Percentage Additionalities for Formwork, Centering & Scaffolding RCC Roof Slabs (PCC, Bottom Slab,Wall & Top Slab)

A22 - Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tying with binding wire / soft annealed steel wire and other ancilary operations complete as per drawing and technical specification

A23 - Providing and fixing kinetic AIR VALVE of PN 16.0 for automatic discharge of accumulate air during working condition, conforming to IS 14845 / EN 1074-4. Body and bonnet of DI conforming to IS-1865 of grade GGG-40/50, seals are made of approved EPDM, SS 304 float, guide and internals. Flange drilling according to IS-1538 with appurtenances. complete. Body and bonnet shall be coated with electrostatically applied epoxy powder coating with a coating thickness of 250 micron both inside For K Air Valves of 200mm dia

A24 - Do-K Air Valves of 100mm dia