Bengaluru Water Supply And Sewerage Board Tender

code4 - Hard rock (blasting prohibited) Depth upto 1.50 m ---- From of tender mandatory

code5 - Providing and laying Ductile Iron pipes of class conforming to IS 8329:2000 with latest amendments, conveying to work site, rolling and lowering into trenches, laying true to line, level and perfect linking at joints, testing and commissioning, including loading and unloading at both destinations, cutting of pipes wherever necessary, jointing with DI specials (excluding cost of specials) and rubber gaskets, cleaning the socket and spigot end with soap solution, applying soft soap to the socket and spigot ends before insertion of rubber gaskets, jacking and fixing in perfect conditions etc. The cost to include soap solution, soft soap, waste etc. and giving necessary hydraulic test to the required pressure as per ISS with all lead and lifts and cost of all jointing materials. (The contractor will make his own arrangements for water for testing. Earth work excavation in trenches to be measured and paid for seperately) Note: In sewerage projects for internal cement mortal lining ( CML ) of DI pipes, if High Alumina Cement ( HAC ) as recommended in Annexure B clause 16.3 of IS8329:2000 is considered in place of Slag or Sulphate Resistance Cement ( SRC ), the cost of pipes may be increased by 5-6% from the prices listed For DI K9 Pipes: 100mm dia pipe ---- From of tender mandatory

code6 - For DI K9 Pipes: 150mm dia pipe ---- From of tender mandatory

code7 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of variouis dia. with body bonnet of Ductile Iron (DI) conforming ti IS-1865with the latest amendments and of grade GGG 40/50, shaft of stainless steel, wedge fully rubber lined with EDPM seals of NBR and the valves should be vacum tight and 100% leak proof with face to face dimensions as per IS 14846-2000 with the latest amendments only. The stem sealing should be with toroidal sealing rings (minimum 2 " O " rings). Body and bonnet should be coated with Electrostatically applied Epoxy Powder Coating with minimum coating thickness of 250 micron both inside and outside. The rate is inclusive of cost of valves, T.P set, galvanized bolts & nuts and rubber insertions etc. but excluding earth work. For PN-10: (Note: TP set should be considered only for DI pipes estimate. For MS pipes estimates, TP sets cost of corresponding dia shall be deducted from the SR rates of valves and provision for corresponding dia MS flanges should be made in the estimate.) etc. complete For sluice Valve of PN 16.0 and 100mm ---- From of tender mandatory

code8 - 150mm ---- From of tender mandatory

code9 - Providing and fixing kinetic AIR VALVE of PN 16.0 for automatic discharge of accumulate air during working condition, conforming to IS 14845 / EN 1074-4. Body and bonnet of DI conforming to IS-1865 of grade GGG-40/50, seals are made of approved EPDM, SS 304 float, guide and internals. Flange drilling according to IS-1538 with appurtenances. complete. Body and bonnet shall be coated with electrostatically applied epoxy powder coating with a coating thickness of 250 micron both inside and outside etc. complete For K Air Valves of 100mm dia. ---- From of tender mandatory

code10 - 150mm dia ---- From of tender mandatory

code11 - Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50 m, and lift upto 1.5 m. Including cost of all labour complete as per specifications ---- From of tender mandatory

code12 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work ---- From of tender mandatory

code13 - Spreading of stone dust: Supplying and providing stone dust in the station yard or whereever required including watering, ramming, conslidiating and dressing. the rates includes the cost of the material, labour charges, required tools and plants etc, complete. work shall be carried as per instruction of engineering in charge of works as per standard proceudre ---- From of tender mandatory

code14 - Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints, boring and tapping the main with brass ferrule with 13 providing and fixing of non-corrosiveEngineerin plastic nouild strap saddle with Stainless steel 304 threaded metal inserted with all necessary acessories fix the straddle, making bore in the drain, wall, floor dismatling and restoring the same, road surface retoration to its original surface type and condition etc., complete as per direction of Engineer in Charge. For maximum length of 3m 150mm/20mm connection ---- From of tender mandatory

code15 - For connection pipe length beyond 3.0 mtrs for every 1 mtr or part ---- From of tender mandatory

code16 - Providing, Laying and Fixing of GI pipes conforming to IS 1239:1990 with latest amendments complete with GI fittings (excluding the cost of fittings) with cuts and threads wherever necessary, including testing for water tightness, with all lead and commissioning. (contractor will make his own arrangements for procuring water for testing) For:Heavy Duty GI Pipe etc. complete. Medium Duty GI pipe of 40mm dia ---- From of tender mandatory

code17 - Providing and fixing Multijet class B inferential type, AMR compatible water meters with IP 68 protection totalizer confoming to IS 779 with its latest amendments of following size to service connections including conveying and fixing of necessary G.I. specials with appurtenances etc. complete, with all lead and lift. 15mm dia ---- From of tender mandatory

code18 - Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material to the appropriate disposal area as per direction of Engineer in-charge. In cement mortar ---- From of tender mandatory

code19 - Providing Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : ---- From of tender mandatory

code20 - Removing and refixing of BS slabs/RCC Slabs of drain and refixing after completion of the work with all tools and tackles. ---- From of tender mandatory

code21 - Wet Mix Macadam (Plant Mix Method) Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. ---- From of tender mandatory

code22 - Prime Coat over WMM/WBM(i) 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. ---- From of tender mandatory

code23 - Providing and laying Dense Graded Bituminous Macadam with 120 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-40, @ 4.0 per cent by weight of total mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 505 complete in all respects. ---- From of tender mandatory

code24 - Tack coat on Bituminous surface Providing and applying tack coat with VG-10 Bitumen using pressure distributor at the rate of 0.20 kg/m2 on the prepared bituminous surface cleaned with mechanical broom ---- From of tender mandatory

code25 - Providing and laying Bituminous Concrete with 120 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-40 @ 5.2 per cent of mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects ---- From of tender mandatory