supply of chemicals for water treatment including connected items for nsb, air force stn and ins shivaji lonavla ( 8970 ) - 1 supply of liquid chlorine in empty cylinder of capacity 100 kg each. nnote:- empty cylinders will be provided by department for filling. 2 supply of liquid sodium hypocholorite solution in drum of capacity 40 to 50 kg each 3 supply of alum, crystal type, suitable for portable water ( 1st quality ) . 4 supply of ammonia in 450 ml in bottles. 5 supply only chlorine testing kit complete with capacity upto 3 ppm. 6 supply only orthotoulidine solution in bottles of 450 ml for chlorine testing 7 supply only chemical canister gas mask having 2 sets of canisters gas masks ( chlorine / hypochlorite gas ) n 8 supply only empty 100 kgs capacity chlorine cylinder fitted with valves and valve guard complete all as specified and as directed 9 m & l for complete removal of existing treatment on steel surfaces of 100 kg chlorine gas cylinder and applying two coats of yellow synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed. 10 s&f in replacement unserviceable plug with new dead end plug of mild steel suitable for 100 kg chlorine gas cylinder complete all as specified and as directed. 11 s&f in replacement unserviceable cylinder cap with new cylinder cap of mild steel suitable for 100 kg chlorine gas cylinder complete all as specified and as directed. 12 s&f in replacement unserviceable chlorine filter with new chlorine filter suitable for chlorine plant of capacity 200 to 400 gm / hr complete all as specified and as directed. 13 s&f in replacement unserviceable pressure reducing valve of brass with new pressure reducing valve suitable for chlorine plant of capacity 200 to 400 gm / hr complete all as specified and as directed. 14 s&f in replacement unserviceable copper pipe with new copper pipe of 10 mm dia with coupling at both ends of length 1.5 mtr complete all as specified and as directed. 15 s&f in replacement mono meter with new mono meter suitable for chlorine plant of capacity 200 to 400 gm / hr complete all as specified and as directed. 16 s&f in replacement unserviceable valve seat of mild steel suitable for chlorine plant of cap 200 to 400 gm / hr complete all as specified and as directed. 17 s&f in replacement unserviceable valve spring of mild steel suitable for chlorine plant of cap 200 to 400 gm / hr complete all as specified and as directed. 18 s&f in replacement unserviceable valve cover of brass suitable for chlorine plant of cap 200 to 400 gm / hr complete all as specified and as directed. 19 s&f in replacement unserviceable chlorine gas cylinder spindle of mild steel suitable for chlorine plant of cap 200 to 400 gm / hr complete all as specified and as directed. nnote for boq item nos 23 to 32 :- nthe spares / items are required for the chlorine plant manufactured by m / s candy filters or existing filter available at site. 20 checking, servicing and repairing of three nos chloronome plants at dam pump house, swimming pool & af stn and two sodium hypochlorite plant at dam pump house and nsb weekly once for satisfactory functioning of all plants including replacement of minor unserviceable parts i.e. nut bolts, washers, teflon tape and cleaning of filter assembly complete all as specified and as directed.