Bengaluru Water Supply And Sewerage Board Tender

CODE4 - 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. K9 100mm dia ---- from of tender is mandatory

CODE5 - 150mm dia DI pipe ---- from of tender is mandatory

CODE6 - 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 PowderCoating 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 100mm dia ---- from of tender is mandatory

CODE7 - 150mm dia DI pipe ---- from of tender is mandatory

CODE8 - Providing house connection with excavation in all types of soils cutting with machine cutter without damaging the other utilities and Providing and laying of MDPE pipe (PE80)-PN 12.5 manufactured in accordance with ISO 4427-1996 with minimum required strength of 8 Mpa, hydraulic design stress of 6.3 Mpa and with minimum wall thickness of 2.3mm/ GI pipe by making the bore of 15mm dia. size on the distribution mains using drilling bits or machines only and laying the pipe line at a depth not less than 0.45 mtrs. from the road surface, including providing 40mm dia. "A" class GI pipe as casing over the MDPE pipe from the bore point and upto the entrance of the premises and removing the stone slab covering of the drain and dismantling the size stone masonry wherever necessary and making bore in the wall of the premises. On entering the premises, connection should be continued with 20mm GI pipe by making "U" shape for the meter point below the ground level by making pit with sufficient space for the easy installation and removal of the water meter and providing vertical stand pipes on both sides of the meter. The connection should be secured firmly on the distribution main pipe with SS / Brass ferrule of size 1/2" x 3/4" and fixing the union joint and gate valve / stop cock before the meter point and a reflex valve / non-return valve should be fixed on the connection after the meter point. (All these fixtures should be of standard quality conforming to IS). The compression fittings for MDPE pipes conforming to ISO 14236 and its latest versions. If the connection is of HDPE pipe the work include electric fusion tapping T or saddles, PE 100 black colour pipe of PN 16 /SDR 11 or Higher grade conforming to standards with brass cutter cum flow regulator, water tight cap with O'ring, long spigot for making bore/tapping suitable to HDPE pipe by Electro fusion welding as per BS EN 12201-3 & EN 1555-3 standards. The Product should be tested to comply with BS 6920 for drinking water service in WRC - NSF, UK and DVGW certificate, Germany. The Saddle should be manufactured Virgin Compounded PE 100 material. Tapping Tee or Saddles with coupler and compression fittings with cost of GI pipes, as per diagram, all specials such as GI tee, GI elbow, GI coupler, stopper with appurtenances, and brass or SS tap The excavated trench should be refilled with soft selected earth and the dismantled masonry of the drain should be re-constructed with available size stones in CM 1:8 and providing coping in CC 1:3:6 wherever required and the stone slab covering should be refixed in position with pointing in CM 1:3 and also the bored wall of the premises should be re-done to the original position and the rates are inclusive of the cost of all the materials, cement, sand water etc., required for these works. The road suface should be compacted well and brought to the original condition and the excess earth or debris should be disposed off to a distance with an initial lead of 10 Kms. etc. complete for the following diameters: (for minimum length of 2m) etc. complete ---- from of tender is mandatory

CODE9 - Providing Ductile Iron Push on special confirming to IS 9523:2000 100mm diameter 11.25 bend ---- from of tender is mandatory

CODE10 - 100mm diameter 22.50 bend ---- from of tender is mandatory

CODE11 - 100mm diameter 90 bend ---- from of tender is mandatory

CODE12 - 150mm diameter 11.25 bend ---- from of tender is mandatory

CODE13 - 150mm diameter 11.25 bend ---- from of tender is mandatory

CODE14 - 150mm diameter 22.50 bend ---- from of tender is mandatory

CODE15 - 150mm diameter 45 bend ---- from of tender is mandatory

CODE16 - 150mm diameter 90 bend ---- from of tender is mandatory

CODE17 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - Socketed D.I. Equal Tees 100mm X 100mm X100mm ---- from of tender is mandatory

CODE18 - 150mm X 150mm X 150mm ---- from of tender is mandatory

CODE19 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Un-Equal Tees 150mm X 100mm ---- from of tender is mandatory

CODE20 - 450mm X 150mm ---- from of tender is mandatory

CODE21 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All Socketed D.I. Reducers / Tapers 150 X 100 mm ---- from of tender is mandatory

CODE22 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged Socketed, D.I. Flanged Spigot, MS End Plates MS End Plates 150mm ---- from of tender is mandatory

CODE23 - Providing Ductile Iron Push on special confirming to IS 9523:2000 - All D.I. Flanged MJ COLLAR 100 mm ---- from of tender is mandatory

CODE24 - 150 mm ---- from of tender is mandatory

CODE25 - 450mm ---- from of tender is mandatory

CODE26 - 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 is mandatory

CODE27 - Dismantling of Structures 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 Prestressed / RCC grade M-20 and above ---- from of tender is mandatory

CODE28 - 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 is mandatory

CODE29 - 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 is mandatory

CODE30 - Tack coat on Bituminous surfaceProviding and applying tack coat with RS1 bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 kg/m2 on the prepared bituminous surface cleaned with mechanical broom ---- from of tender is mandatory

CODE31 - Bituminous Macadam Grading - I for traffic 20 MSAA Providing and laying bituminous Macadam with 120 tphcapacity hot mix plant batch type using crushed aggregates of specified grading premixed with bituminous binder VG-40 @ 3.3% by weight of mix, transported to site, laid over a previously prepared surface with mechanical paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction ---- from of tender is mandatory

CODE32 - Bituminous Concrete Grading I for traffic 20 MSAA 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-30 @ 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 is mandatory

CODE33 - Dewatering the sewage / storm water by using reqired HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump. 10 hp pump ---- from of tender is mandatory

CODE34 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work ---- from of tender is mandatory