bids are invited for repair and overhauling service - sl no 1 overhauling and re-winding of 3ph, 50hz, 415v squirrel cage induction motor rating from zeropoint18kw to zeropoint75 kw for wall/roof mounted exhaust fans; sl no 1 overhauling and re-winding of 3ph, 50hz, 415.. , repair and overhauling service - sl no 2 overhauling of 3ph, 50hz, 415v squirrel cage induction motor rating from 1point1kw to 3point7kw for wall/roof mounted exhaust fans; sl no 2 overhauling of 3ph, 50hz, 415v squirrel cage induction motor ratin.. , repair and overhauling service - sl no 3 overhauling of 3ph, 50hz, 415v squirrel cage induction motor rating from 5point5 kw to 7point5kw for wall/roof mounted exhaust fans; sl no 3 overhauling of 3ph, 50hz, 415v squirrel cage induction motor rating .. , repair and overhauling service - sl no 4 re- winding of 3ph, 50hz, 415v squirrel cage induction motor rating from 1point1kw to 3point7kw for wall/roof mounted exhaust fans; sl no 4 re-winding of 3ph, 50hz, 415v squirrel cage induction motor rating f.. , repair and overhauling service - sl no 5 re-winding of 3ph, 50hz, 415v squirrel cage induction motor rating 5point5 to 7point5 kw for wall/roof mounted exhaust fans; sl no 5 re-winding of 3ph, 50hz, 415v squirrel cage induction motor rating 5point5 t.. , repair and overhauling service - sl no 6 removal of existing painting and rusting, cleaning, coating of primer - 1 coat of inorganic zinc silicate of thickness of 75 micron, corrosive resistant paint - 2 coats of thickness of 250 microns; sl no 6 rem.. , repair and overhauling service - sl no 7 providing and fixing double tubular scaffolding system using h-frames / aps system or (cup lock type) / conventional staging with 40mm diameter ms pipes; sl no 7 providing and fixing double tubular scaffolding..