Details: providing and fixing m.s. sheet 1mm thick single leaf door shutter in angle iron frame 35x35x5mm suitabilly diagonally braced with 25x3mm flat iron above and below lock rail of size 50x5mm beading extra including all fittings, as per direction of engg. incharge but excluding cost of chowkhats: including two coats of anit-corrosive red oxide primer paint providing and fixing t-iron frames for doors, windows and ventilators of mild steel tee-sections, joints mitred and welded with 15x3 mm lugs 10cm long embedded in cement concrete blocks 15x10x10 cm of 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) or with wooden plugs and screws or rawl plugs and screws or with fixing clips or with bolts and nuts as require including fixing of necessary hinges and screws and applying a priming coat of approved steel primer. grading roof for water proofing treatment with water proffing compound cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate
Sector: Water supply and Sewerage