Bengaluru Water Supply And Sewerage Board Tender

A04 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately. Asphalt Road. Bituminous course

A05 - Earth work excavation for pipeline trenches in all kinds of soils by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata. All kinds of soils. Depth upto 1.50 m

A06 - Earth work excavation for pipeline trenches by mechanical means as per drawing and technical specification, including setting out, construction of shoring, strutting, cost of blasting materials, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work and all other appurtenances to complete in the following strata.

A07 - Providing, filling and laying of sand bags filled with sand / clay for diversion of sewage during execution of work.

A08 - Dewatering the sewage / storm water by using reqired HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump. 20 hp pump For dewatering the seepage water in the valley 2 nos x 8 hr x 40 days

A09 - 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. Mix 1:2:4 Using 20 mm nominal size graded crushed coarse aggregates

A10 - Providing and laying in position Ready Mixed or Batch Mixed concrete as per IS 10262 mix design procedure for Cement Concrete works in all types of Structures other than Road works, using coarse aggregate and fine aggregate derived from natural sources, Ordinary Portland Cement (OPC) @ 75% & GGBS @ 25% proportion, admixtures to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the Engineer-in-charge. RMC M25 Grade

A11 - 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, Buildings

A12 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work.

A13 - 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 pipes: 200mm Dia (Class K-9) :

A14 - 100mm Dia (class K-9)

A15 - 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 For sluice Valve of PN 16.0For sluice Valve of PN 16.0 and 200mmFor sluice Valve of PN 16.0 and 200mm

A16 - For sluice Valve of PN 16.0 and 100mm

A17 - For branches, scour valve & Air valve

A18 - 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 and outside etc. complete For K Air Valves of 100mm dia.

A19 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Double Socket Duck Foot DI Bends : 200mm x 90 degree

A20 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Double Socket Duck Foot DI Bends: 200mm X 45 degree

A21 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Double Socket Duck Foot DI Bends: 200mm X 22.5 degree

A22 - Providing Ductile Iron Push on special confirming to IS 9523:2000 -All Double Socket Duck Foot DI Bends :100mmx90 degree

A23 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Double Socket Duck Foot DI Bends: 100mm X 45 degree

A24 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Double Socket Duck Foot DI Bends: 100mm X 22.5 degree

A25 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR, 300.00 mm

A26 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I.Flanged MJ COLLAR, 200.00 mm

A27 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR, 100.00 mm

A28 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Double Socketed with flanged Branch D.I. Un-Equal Tees, 300mm X 300mm X 100mm

A29 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Double Socketed with flanged Branch D.I. Un-Equal Tees: 300mm X 300mm X 200mm.

A30 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Socketed D.I. un-equal Tees: 200mm X 200mm X 100mm

A31 - 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.

A32 - 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.71,700/- per MT c) The pipe costs are FOR destination Pipe of 323.9mm dia -9.5mm thick

A33 - 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. complete Pipe bends,branches, tail pieces, reducers etc. for upto 500mm dia pipes

A34 - 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

A35 - Providing and fixing of GPRS + GSM based EMI flow meters battery operated with outdoor panel & accessories on the Bulk waters of various dia For Bulk Flow Meters, sensors, transmitter, panels etc. for 200mm dia.

A36 - For Bulk Flow Meters, sensors, transmitter, panels etc. for 100mm dia.

A37 - O&M of Pumps and Pumping Main Operator/Electrician/Fitter

A38 - Maintenance Cost of Pumping main pipe leakages, air valves & scour valves

A39 - Work of Supplying of MIW Bacillus Bacteria Consortium for use in Treated Sewage Water continuously using a suitable dosing unit and ancillary equipment at a rate of 01 Ltr/day over the water surface of the lake and control the BOD, COD, Nitrogen, Phosphate, Fecal Coliform and Foul odour by consuming ammonia and also avoid blue-green algae formation in lakes thereby maintaining the lake water to good condition as per KSPCB classification /NGT