roof repair of injection house , roof repair of injection house. , fixing of gci sheet with cost of j- huks nut bolts etc but excluding cost of sheets, and old sheet provided by mill , dismantling of worn out gci/ac sheets including cost of labour t&p etc. and including stacking of materials as directed by engineer i/c. , structural steel work riveted, bolted or welded in built up section ,trusses and framed work including cutting hoisting fixing in position and applying a priming coat of approved steel primer all complete , dismentlling steel work built up section in angles tees, flats and channels including all gusset plates bolt nuts cutting revets welding etc.including dismembering and stacking with in 50 mtr lead.