bids are invited for materails only for 80 mm bore gi tubing medium grade laid in trenches , materails only for 50 mm bore gi tubing medium grade , materails only for 40 mm bore gi tubing medium grade , materails only for 25 mm bore gi tubing medium grade , materails only for 20 mm bore gi tubing medium grade , materails only for 50 mm bore gate valve gun metal , materails onlyfor 40 mm bore gate valve gun metal , materails only for 25 mm bore gate valve gun metal , materails only for 20 mm bore gate valve gun metal , materails only for 25 mm diaball valves high pressure of ptmt , materails only for 20 mm diaball valves high pressure of ptmt , ganti pickaxe with handle not less than 2kg with smooth handle 3mtr , manning and operation at various pump houses, installations of zone 02 under eic etc. , heavy duty pipe wrench as per is 4003 , ratchet pipe threader for taper pipe threads as per is 16176 total quantity : 67