Details: bill 1: bill of quantity for dual stage odour control system (ocs) bio trickling filter (btf) and activated carbon filter (acf) in the existing 14 sewage pumping stations of cmwssb name of of 14 sewage pumping stations : (1) neithal nagar (2) subramaniya pond (sps) (3) kamalambal nagar (nbc near) (4) katappa road (5) bank colony (6) mugappair(e) sps (7) kodambakkam- a (8) ice house (9) virugambakkam sps (10)saidapet -b sps (11) senthil nagar sps (12)srm sps(ramapuram) (13) nilamangai nagar sps (14) adyar sps-1 civil works design and construction of a common rcc civil foundation with a height of 1.5 m from the ground including a necessary staircase for installation of mist eliminator, gas extraction centrifugal fan/ blower, activated carbon filter, regeneration water tank and regeneration pump. the foundation will use m20 grade concrete (src cement) with reinforcement of 12 mm rods (crs steel) and pcc plastering on the top layer, including the complete cost of materials delivery at si
Sector: Water supply and Sewerage