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 amentmentsusing ordinary portland cement, for sanitary works and conveyingto work site, rolling and lowering into trenches, laying true to lineand level including loading and unloading at both destinations andjointing of pipes and specials, perfect linking of joints with jack tocorrect position including cost of jointing materials, i.e, rubber ringsconforming to IS: 5382 for S&S RCC pipes, with all leads and lifts asdirected and giving necessary hydraulic test as per ISS to the requiredpressure and commissioning etc. complete. (Contractor will make hisown arrangements for procuring water for testing). Before the executionof the work, the contractor shall carry out the survey. RCC NP3 Class pipe of 300 mm dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

005 - Same as above : RCC NP3 Class pipe of 250 mm dia ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

006 - Refilling available earth around trenches/pipelines, cables in layersnot exceeding 20 cms in depth, compacting each deposited layer byramming after watering with a lead upto 50 m , and lift upto 1.5 m.Including cost of all labour complete as per specifications ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

007 - Construction of RCC Machinehole chambers of 1:1.5:3 proportionor 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 wherevernecessary, shoring and strutting wherever required using OrdinaryPort Land Cement, using 1:1.5:3 proportion RCC with 20 mm and downgraded jelly, well graded sand and steel of approved quality, 200 mmthick top concrete slab, having wall thickness and raft thickness as inapproved drawings and with an offset in raft alround the chamber asin approved drawing, benching concrete with 1:6 slope towards thecentral 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 latestamendments, on a bed of CC 1:2:4 Providing and fixing of minimum 3mm 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 asdetailed in Technical specifications, including stone grit beding whereverrequired, watering, curing, engraving Machinehole number with flowdirection on the inner cylindrical surface etc., complete includingcost of reinforcement steel and fabrication charges and also cost andconveyance of all materials, labour with all lead and lifts. The Pre-castRCC Machinehole are for various diamters and depths as stated belowand as per detailed drawings, specifications and direction of the Engineer.For 1.2m dia Machinehole: ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

008 - above 1.00 mtr to below 2.00 mtr depth interms of 0.1 mtr ---- 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 machinemade wire cut brick in CM 1:4 with ordinary portland cement etc. asper design and specifications. The existing ring, cover and CC beedingto be used. For 1.2M dia: 1.00 mtr ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

010 - Providing and constructing "WIRE CUT BRICK MACHINEHOLECHAMBERS" using Portland/Pozzolana cement, conical in shape at top,with CC 1:3:6 foundation using 40mm and down size graded metal ofapproved quality and with an offset of 0.15M alround thechamber.Construct Brick masonry in CM 1:4, 340 mm thick, with wirecut bricks ofapproved quality, plaster inside and out side with CM 1:3, 12mm thick,except for the conical surface outside where the plaster thickness shall be20mm. Slope inside to be 1:6 in the concrete towards central drain andfinished smooth. Fixing of pipes in CC 1:2:4 with graded metal of 20mmand down size. Providing and fixing SFRC Machinehole frame and cover(Heavy Duty) conforming to IS:12592 with latest amendment, in CC 1:2:4.Providing and fixing footsteps made of 12mm dia. steel bars (Fe-500)with 3mm thick plastic encapsulation (IS-10910). The footsteps shall befixed 30cms apart and on CC block embeded to masonry wall. The wholeworks include watering, curing, barricading, danger lighting, pouringtar over MH frame and cover, cost of tar, shoring, strutting, de-watering,engraving Machinehole number with flow direction on the inner conicalsurface etc. as per the drawing etc. as per technical specifications andfor the following diameters and depth etc. for 1.2mm dia:Constructing Brick Masonry Circular Machinehole 1.2 m internal dia.& 1.0 M depth includ. SFRC F&C ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

011 - above 1.00 mtr to below 2.00 mtr depth interms of 0.1 mtr ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

012 - Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification includingpremixing the Material with water at OMC in mechanical mixplant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course onwell prepared surface and compacting with vibratory roller toachieve the desired density. ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

013 - Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base includingcleaning of road surface and spraying primer at the rate of 0.70kg/m2 using mechanical means. ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

014 - Providing and applying tack coat with RS1 Bituminous Emulsionusing emulsion pressure distributor at the rate of 0.20 kg/m2 onthe prepared bituminous surface cleaned with mechanical broom ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

015 - Providing and laying Bituminous Macadam with 120 tphcapacity hot mix plant batch type using crushed aggregatesof specified grading premixed with bituminous binderVG-40 @ 3.3% by weight of mix, transported to site, laid over a previously prepared surface with mechanical paver finisher tothe required grade, level and alignment and rolled as per clauses501.6 and 501.7 to achieve the desired compaction ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

016 - Providing and laying Bituminous Concrete with 120 TPHcapacity hot mix plant batch type using crushed aggregates ofspecified grading, premixed with bituminous binder VG-30 @5.2 per cent of mix and filler, transporting the hot mix to worksite, laying with mechanical paver finisher to the required grade,level and alignment, rolling with smooth wheeled, vibratory andtandem rollers to achieve the desired compaction as per MORTHspecification clause No. 507 complete in all respects ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

017 - Dewatering the sewage / storm water by using reqired HP submersiblepump for the diversion of storm / sewage during the execution of workConsidering for one Pump.10 hp pump ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

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