Bengaluru Water Supply And Sewerage Board Tender

No.4 - Depth exceeding 1.5 m, but not exceeding 3 m

No.5 - 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 recommend 100mm dia pipeed 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. DI K9 Pipes 100mm dia pipe

No.6 - 150mm dia pipe

No.7 - 200mm dia pipe

No.8 - 300mm dia pipe

No.9 - Providing and fixing DI Resilient seated soft sealing SLUICE VALVE of variouis dia. with body bonnet of Ductile Iron (DI) conforming ti IS-1865 with 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

No.10 - For sluice Valve of PN 16.0 and 200mm

No.11 - For sluice Valve of PN 16.0 and 300mm

No.12 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Un-Equal Tees 400mm X 300mm

No.13 - 300mm X 200mm

No.14 - 200mm X 100mm

No.15 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Socketed D.I. Equal Tees 100mm X 100mm X 100mm

No.16 - 200mm X 200mm X 200mm

No.17 - 300mm X 300mm X 300mm

No.18 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR 100.00 mm

No.19 - 200.00 mm

No.20 - 300.00 mm

No.21 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged Socketed, D.I. Flanged Spigot, MS End Plates D.I. Flanged Socketed 100.00 mm

No.22 - D.I. Flanged Socketed 200.00 mm

No.23 - D.I. Flanged Socketed 300.00 mm

No.24 - Providing and fixing of non-corrosive Engineering Plastic moulded composite strap saddle with Stainless steel 304 threaded metal inserted for trapping outlet suiting for different sizes of clear bore conforming to IS 554 wide strap with elestrometic insulation for proper grip around the DI pipe with SS 304 bolts and nuts. Saddle to have rubber SBR grade 30 'O' ring around the tapping hole. All metal parts shall be made of SS 304 and saddle seal shall be of virgin rubber SBR grade 30/NBR (NSF 61 approved). Fastners shall be of stainless steel 202 NC rolled threaded. M12 with tightening torque 14-15 Kg-m. For 100mm dia. pipes: etc. complete For 15mm connections

No.25 - For 20mm connections

No.26 - For 25mm connections

No.27 - Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in Charge. Concealed work, including cutting chases and making good the walls etc. (25 mm nominal dia pipes)

No.28 - Labour charges for attending to repairs to the PVC pipes by earth work excavation cutting the old pipe installation and jointing of new pipes to the existing old pipe to the depth and line, level and perfect linking at joints including encasing the pipes alround to a depth of not less than 15cms with earth available including cost of all labour,hire charge of equipment,refilling the excavated trenches compacting,finishing neatly by giving satisfactory hydraulic test etc.,complete For 63mm (0.075) to 315mm(0.787)

No.29 - Semi-Skilled labour (LABOUR RATES at ZONE I :: (Notified areas of Bruhat Bengaluru Mahanagara Palike & Agglomeration Areas.)

No.30 - 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

No.31 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work

No.32 - 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.

No.33 - Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead Dismantling Stone Masonry By Manual means Rubble stone masonry in cement mortar.

No.34 - Providing Size Stone masonry with hard stone in foundation & plinth with Cement mortar 1:6 (1 cement : 6 coarse sand)