bids are invited for custom bid for services - annual rate contract of maintenance of various equipment under ofms1 mtps maintenance of various equipment of (a) water treatment plants (u#1-6) , (b) barrage intake pump house(u#1-6), (c) dm plants(u#1-6), (d) miscellaneous equipment at reservoir pump house, (e) leakages in different pipe lines and replacement/ modification of pipe lines of different sizes including fire-fighting lines & accessories (u#1-6 ) and (f) removal of sludge & mud from the sludge pit of water treatment plant of u#1-6 , under ofms#1-6, dvc, mtps (unit 1 to 4: 4x210mw & unit 5&6: 2x250mw ) for 02(two) years. total quantity :