Bengaluru Water Supply And Sewerage Board Tender

code04 - Providing and installation of Class SN8 Double Wall Corrugated HDPE Specials outer wall corrugated and inner wall smooth piping systemin accordance with IS 16098 part 2 and conveying to work site and lowering into trenches, laying true to line and level and perfect linking at joints with the help of two "O" rings and a coupler of suitable size, including loading and unloading at both destination and cutting of pipes where ever necessary including jointing with all labour, all lead and lift including encasing the Specials around to a depth of not less than 15cm with screened soft soil available from the excavated soil. The testingcommissioning including necessary hydraulic test to the required pressure as per ISS shall be done the contractor shall have to make hisown arrangement for procuring water for testing etc. complete.

code05 - Supplying lowering laying, jointing, testing and commissioning of following diameters glazed stone ware pipes, conforming to IS 651:1992, (with 5th revision) in all respects jointing with EPDM rubber rings (seals according to EN 681 & ASPM 425) The rubber seals joints pipe will have groves in interior of socket and exterior of the spigot. The rubber gasket shall be prefixed at the factory by the manufacturer rigidly with approved glue to have leak proof joint including conveying of pipe to work site and rolling and lowering into trenches, laying true to line, level and perfect linking at joints testing and commissoning including loading and unloading at both destinations and cuts of pipes wherever necessary including jointing of GSW pipes and specials, with rubber gaskets conforming to EN 681 and ASTM C-425 including cleaning the socket and spigot with soap solution and applying talcum powder for detecting crack, then applying glue and before inserting of rubber gaskets, jacking and fixing in perfect condition including the cost of soap solution, talcum powder and glue etc. and giving necessary hydraulic test to the required pressure of water head with all lead and lifts including costing of jointing materials and all necessary survey works for laying of sewers etc., and disposal of debris as directed etc., complete. (Contractor will make his own arrangements for procuring water for testing) with Rubber ring gasket joints For lateral Linking 230mm dia

code06 - Providing PVC ringtite pipes conforming to IS 4985:2000 with latestamendments and conveying to worksite, rolling and lowering intotrenches, laying true to line and level and perfect linking at joints, testingand commissioning, including loading unloading at both destinationsand cuts of pipes wherever necessary including jointing of PVC pipesand specials (excluding cost of specials) with jointing of approvedtype, with all labour with all lead & lift including encasing the pipealround to a depth of not less than 15 cms. with soft gravel or selectedearth available from the excavation etc. complete and giving necessaryhydraulic test to the required pressure as per ISS (Contractor will makehis own arrangements for procuring water for testing) etc. complete For 110mm dia

code07 - 110MM DIA PVC couplers

code08 - 110MM DIA PVC Elbows

code09 - 110MM DIA PVC Tee

code10 - 110MM DIA PVC Bend

code11 - 110MM DIA PVC Service saddles

code12 - 110MM DIA PVC Reducer

code13 - Constructing brick masonry chamber of internal dimension 600x450mm and depth of 600mm (inner dimensions) with modular bricks of CD 75 in cement mortar 1:6, bed concrete 150mm thick with 1:3:6, plastering 12 mm thick with cement mortar 1:4, CC 1:2:4 coping 75mm thk for fixing CI cover & frame etc. excluding the cost of CI frame and cover.

code14 - Constructing brick masonry chamber of internal dimension 600x600mm and depth of 600mm (inner dimensions) with modular bricks of CD 75 in cement mortar 1:6, bed concrete 150mm thick with 1:3:6, plastering,12 mm thick with cement mortar 1:4, CC 1:2:4 coping 75mm thk for fixing CI cover & frame etc. excluding the cost of CI frame and cover.

code15 - Providing & fixing RCC Pre-cast Cover Slab of size 0.8 m x 0.8 m x 0.2m of M25-Design mix concrete with 12 mm steel @ 120 mm c/c both ways, over Gate valve extension spindle with central opening along with lid for smooth operation with appurtenances., complete with all lead and lifts etc. complete

code16 - Cutting transverse contraction joints 3 to 4 mm wide and depth 60mm in concrete slab using concrete cutting machine withdiamond studded saw within 4-8 hours of casting of bay / slabetc. complete including subsequent widening of the groove 8to 10 mm. wide at top having depth of 15 mm. as directed byEngineer incharge

code17 - Providing and laying in position Cement Concrete for levelling course forall works in foundation. The granite/trap/basalt crushed graded coarseaggregates and fine aggregates as per relevant IS Codes machine mixed, laid inlayers not exceeding 150 mm thickness, well compacted using plate vibrators,including all lead & lifts, cost of all materials of quality, labour, Usage charges ofmachinery, curing, and all the other appurtenances required to complete thework as per technical specifications.Mix 1:3:6 Using 20 mm nominal size graded crushed coarse aggregates

code18 - 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 ofStructures other than Road works, using coarse aggregate and fine aggregatederived from natural sources, Ordinary Portland Cement (OPC) at 75% & GGBS at 25% proportion, admixtures to accelerate / retard setting of concrete, toimprove durability and workability without impairing strength; includingpumping of concrete to site of laying, curing, carriage for all leads; but excludingthe cost of centering, shuttering, finishing and reinforcement as per direction ofthe Engineer-in-charge.RMC M30 Grade (Addendum 1-Percentage Additionalities for Formwork,Centering & Scaffolding Canal lining (only verticle sections) 10 Percentage on finished rateof concrete per m3.

code19 - 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.Canal & Allied Works

code20 - Desilting of sewerlines by mechanical (Jetting,Sucking,Grabber,Scrap per etc.,) means ,setting up the over pumping arrangements,rodding and dislodging of accumulative silt from the pipeline ,removal of silt by mechanical means to the ground including barricading, cleaning of sewers and machinhole, disposal of removed silt upto a distance of Above 300 up to 600mm dia

code21 - Dewatering the sewage / storm water by using reqired HP submersiblepump for the diversion of storm / sewage during the execution of work.Considering for one Pump. 10HP PUMP (CSR 2023-24, S No.16.55.2, VOL-V, Page - 206) (1nos pump* 40days*8Hour)

code22 - Providing, filling and laying of sand bags filled with sand / clay for diversion of sewage during execution of work.

code23 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work

code24 - Extra for cutting reinforcement bars manually/ by mechanical means inR.C.C. or R.B. work (Payment shall be made on the cross sectional area ofR.C.C. or R.B. work) as per direction of Engineer-in-charge.