Bengaluru Water Supply And Sewerage Board Tender

004a - Construction of RCC Machinehole chambers of 1:1.5:3 proportion or approved type Cast-insitu / Pre-cast RCC Machinehole chambers, constructed using form vibrators of standard type, with barricading, danger lighting and using of sight rails and boning rods wherever necessary, shoring and strutting wherever required using Ordinary Port Land Cement, using 1:1.5:3 proportion RCC with 20 mm and down graded jelly, well graded sand and steel of approved quality, 200 mm thick top concrete slab, having wall thickness and raft thickness as in approved drawings and with an offset in raft alround the chamber as in approved drawing, benching concrete with 1:6 slope towards the central drain finished smooth, including fixing and grouting of pipes, including conveying to work spot supply and fixing SFRC Machinehole cover and frame (Heavy duty) conforming to IS:12592 with latest amendments, on a bed of CC 1:2:4 supplying and fixing of minimum 3 mm thick encapsulated plastic footsteps (as per IS 10910) on 12 mm dia. Grade Fe-500 steel bar (as per IS 1786) staggered at 300 mm apart as detailed in Technical specifications, including stone grit beding wherever required, watering, curing, engraving Machinehole number with flow direction on the inner cylindrical surface etc., complete including cost of reinforcement steel and fabrication charges and also cost and conveyance of all materials, labour with all lead and lifts. The Pre-cast RCC Machinehole are for various diamters and depths as stated below and as per detailed drawings, specifications and direction of the Engineer. Constructing Pre-cast RCC Machinehole 1.5 m internal dia. , 4.0 M depth & SFRC cover & frame. Vol5 Code T330.4.0 mt depth manhole NMH 1 ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST

004b - for 4.3 mt depth manhole NMH 2 ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST

005 - Removal of unserviceable soil with disposal upto a suitable distance as directed by the engineer incharge of work. ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST

006 - Dewatering the sewage / storm water by using reqired 5 HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump (Commom SR Vol 5 2021-22, P No: 201 I No 55.1) 5hp ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST

007 - Providing and laying in Cement Concrete for all Basement & surface level works, return walls, retaining walls, sunken floors etc. The granite/trap/ basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers, laid in layers, well compacted using needle vibrators, providing weep holes wherever necessary, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications.M20 Design Mix Using 20 mm nominal size graded crushed coarse aggregates ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST

008 - 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.Foundations of Bridges. ---- Amount put to tender is excluding GST. Rates quoted shall be excluding GST