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 rings conforming 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 - Providing lowering laying, jointing, testing andcommissioning offollowing diameters glazed stone ware pipes, conforming to IS 651:1992,(with 5th revision) in all respects jointing with EPDM rubber rings (sealsaccording to EN 681 & ASPM 425) The rubber seals joints pipe willhave groves in interior of socket and exterior of the spigot. The rubbergasket shall be prefixed at the factory by the manufacturer rigidly with approved glue to have leak proof joint including conveying of pipe towork site and rolling and lowering into trenches, laying true to line,level and perfect linking at joints testing and commissoning includingloading and unloading at both destinations and cuts of pipes wherevernecessary including jointing of GSW pipes and specials, with rubber gaskets conforming to EN 681 and ASTM C-425 including cleaningthe socket and spigot with soap solution and applying talcum powderfor detecting crack, then applying glue and before inserting of rubbergaskets, jacking and fixing in perfect condition including the cost of soapsolution, talcum powder and glue etc. and giving necessary hydraulic testto the required pressure of water head with all lead and lifts includingcosting of jointing materials and all necessary survey works for laying ofsewers etc., and disposal of debris as directed etc., complete. (Contractorwill make his own arrangements for procuring water for testing) withRubber ring gasket joints ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

006 - 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 pipesincluding conveying to work spot supply and fixing SFRC Machineholecover 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 Constructing Pre-cast RCC Machinehole 1.2 m internal dia. , 1.0 M depth & SFRC cover & frame ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST

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

008 - 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

009 - Supplying and providing stone dust in the station yard or wherever required includingwatering, ramming, consolidating and dressing. The rateincludes the cost of material, labour charges, required toolsand plants etc., complete. Work shall be carried out as perthe instructions of Engineer-in-charge of works as per thestandard procedure. ---- 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 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

011 - 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

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

013 - Providing and laying Bituminous Macadam with 120 tph capacity hot mix plant batch type using crushed aggregates of specified grading premixed with bituminous binder VG-30 @ 3.3% by weight of mix, transported to site, laid over apreviously 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

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 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 bratorsincluding 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 1:2:4 Using 40 mm nominal size graded crushed coarse aggregates ---- Amount put to tender is exclusive of GST and rates quoted shall be exclusive of GST