item description/ heading , dismantling charges for all bolts nut opening and dismantling of pump motor set, suction & delivery side 8 dia pipes, bends etc. with bed plate lifting with carrying by manually from water bed to surface of mines , unserviceable pump with motor set, bed plate, bends etc. loading and unloading from kalimati quarry to e&m office at dbocp. , old and scrap girders, m.s.plate,angles etc. collected from dumping yard of dbocp with gas cutting and lifting and carrying by manually for making bed plate. , damaged bed plate dismantling for repairing and modification with iron materials cutting by gas. , bed plate making by girders m.s.angles, channels are cutting by gas and bend girders straightening by heating and hammering process.girders,channels, m.s.plate setting and welding on the bed plate. , cost of 4 nos bend and 3nos short piece making by 8 dia m.s.pipe cutting by gas and both side 8 dia m.s.flange fittings and welding in side out side double layer welding with grand finishing.(as per required size) , curve type bend making by 8 dia m.s.pipe cutting by gas with both side 8 dia m.s.flange setting with inside and out side double layer welding with grand finishing. (as per required size.) , all bolts, nut opening with dismantling with lifting and carrying 24 nos 8dia m.s.pipes from various place of mines. a)skilled-2 men, x 4 shift= 8 m/shift x 478/-p.m/shift = 3,824.00/- b)welder/gas cutter-1men x 4shift = 4m/shift x 478/-p.m/shift = 1,912.00/- c)semi skilled -3men,x 4shift = 12m/shift x 363/-p.m/shift = 4,356.00/- d)un skilled-6men x4 shift = 24 m/shift x 346/-p.m/shift = 8,304.00/- , handling and placing of 8diax20ft length m.s.pipe setting with welding. a) unskilled-8 men x1 shift , 8 dia x20 fts length-22 nos m.s.pipe both side 8 dia m.s.flange setting with inside and out side double layer welding. = 22nos x 2nos , cost of shifting 8 sluice valve, non return valve dismantling with lifting and carrying by manually with setting a