REPAIR TO ROOF OF CERTAIN BLDGS AT OTHER THAN BASISTHA AREA UNDER GE GUWAHATI

M&L for Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust, etc all complete all as specified and directed.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

M&L for 25 mm thick PCC B-0, (1:2:4) using 12.5 mm graded crushed stone aggregate as in roof padding complete all as specified and directed.

M&L screed bed or bedding layer of cement mortar (1:6) 20mm thick for laying floor finishes complete all as specified.

M&L for applying evenly a priming coat with bituminous primer at 10 kg per 10 sq mtr complete all as specified and as directed

M&L APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application and applying one coat of aluminium paint over APP based membrane @ 0.11Kg/Sqm complete all as specified and as directed.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as directed.

S&F 0.63mm thick Galvanised corrugated mild steel sheeting with two corrugations side lap, fixed with L-type or J-type cranked hook bolts and washers in roof walls etc with grade of zinc coating 275 completed all as specified and as directed.

S&F 0.63mm plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 etc completed all as specified and as directed.

Supply and fixing 2mm thick fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with coach screw and washer in roof, wall etc complete all as specified and directed.