tender for removal of rc valve in cwp 2a,2b & 2c of size 200 mm along with r.c. pipe and manhole door and fitting the same after completion of work. , charges for checking and renewal of nitrile rubber seal in 1600 mm butterfly valve in cooling water pump 2a, 2b & 2c, and if necessary renewal of seal clamping pad, rethreading of worn-out threads in the seal mounting disc and clamping the seal with the disc. checking the open / close operation of 1600 mm butterfly valves of cooling water pump 2a,2b & 2c. , overhauling of gear box assembly of 1600 mm b.f.v, including removal of actuator, dismantling the gear box assembly, inspection, if necessary renewal of spare and reassembling the same in 2b pump. , overhauling of b.f.v of size 1600 mm provided at cwp 2b pump discharge line including dismantling the bearing assembly at both ends inspection, if necessary renewal of spares and reassembling in 2b butterfly valve size 1600mm. , charges for lifting the screen, positioning, cleaning the debris and algae and placing the screens in its position after completion of painting works. (1 set consist of 3 nos.) , charges for cleaning and painting with one coat of epoxy red oxide primer and one coat of epoxy coal thar one over the other with proper interval over the intake screen frames structure of cooling water pumps 2a,2b & 2c. , charges for overhauling of 600 mm size 150 class gate valves in clarifier inlet & outlet valves of cws including dismantling the valve, cleaning all the parts checking the seating surface and lapping the gate/seat/flap and reassembling the valve with bonnet gasket and gland packing.(gasket under contractor scope) , cost of m 14 x 70 mm length ht bolt and nut with washer for sl.no.2 , cost of epoxy red oxide primer for sl.no.6 , cost of coal thar black paint for sl.no.6 , cost of epoxy thinner for sl.no.6 , cost of consumable and t&p for sl.no.1 to 7