Bengaluru Water Supply And Sewerage Board Tender

004 - Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amentments using ordinary portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc. complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work,the contractor shall carry out . 250 mm dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

005 - 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 Providing 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. For 1.2m dia Machinehole: 1.00 mtr depth ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

006 - do Units interms of 0.1 m depth between 1 m to 2 m ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

007 - do 2.0 m depth ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

008 - do Units interms of 0.1m depth between 2m and 3m ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

009 - Dismantling the damaged or collapsed Machinehole ,conical in shape, and reconstructing the same for the same dimensions, with machine made wire cut brick in CM 1:4 with ordinary portland cement etc. as per design and specifications. The existing ring, cover and CC beeding to be used. For 1.2M dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

010 - Providing, laying, spreading and compacting graded stoneaggregate to wet mix macadam specification including premixingthe Material with water at OMC in mechanical mix plant carriageof mixed Material by tipper to site, laying in uniform layers withpaver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

011 - Removal of Unserviceable Soil with Disposal upto a suitabledistance as directed by the Engineer incharge of work ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST