Bengaluru Water Supply And Sewerage Board Tender

A04 - DO For 150 mm dia pipe line trenches

A05 - Supplying 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 150.00 mm dia collars

A06 - DO For 100.00 mm dia collars

A07 - DO DI MJ specials - Branch 150 x 150mm

A08 - Supplying 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 100X90 degree bend

A09 - DO 100X45 degree bend

A10 - DO 150X90 degree bend

A11 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Double Socketed with flanged Branch D.I. Equal Tees 100mm X 100mm X 100mm

A12 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Double Socketed with flanged Branch D.I. Un-Equal Tees 150mm X 150mm X 100mm

A13 - 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 100mm

A14 - DO For sluice Valve of PN - 16.0 and 150mm

A15 - Providing, fabricating and fixing at site various diameter MS MJ ends with dummy plates (END CAPS) 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 charge. 100 mm dia END CAP

A16 - DO 150mm dia END CAP

A17 - 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

A18 - 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)

A19 - 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 in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

A20 - 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 25 mm dia

A21 - 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.

A22 - Percentage Additionalities for Formwork, Centering & Scaffolding RCC Roof Slabs (PCC, Bottom Slab,Wall & Top Slab)

A23 - 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 All other type of Strucuture

A24 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work