Bengaluru Water Supply And Sewerage Board Tender

code01 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and un-serviceable materials separately, Bituminous Course

code02 - Earthwork excavation for pipeline trenches in all kinds of soils by Mechanical means above 600mm trench width as per drawing and technical specifications, including setting out, Construction of shoring, strutting barricading, caution lights, bracing using sight rails & bonding rods at every 100mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required, utilizing the available excavated earth locally for the wor etc., and all other appurtenances complete in the following strata.

code03 - Providing and laying Ductile Iron pipes of K9 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, 150mm dia Pipes