repair and maintenance of existing stp 1&2 ( capacity -0.5 mld ) at gc crpf, gurugram ( haryana ) . ; 1 dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead. 2 steel work welded in built up sections / framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. 3 providing & fixing uv stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated j or l hooks, bolts & nuts 8mm dia. g.i plain / bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. the sheets shall be manufactured out of 2400 tex panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. they shall be of uniform pigmentation and thickness without air pockets and shall conform to is 10192 and is 12866.the sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified.2 mm thick flat ( stp-1, 2, tank cover of top with fiberglass reinforced plastic sheet 4 repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self-curing mortar, including disposal of rubbish, all complete as per the direction of engineer-in-charge