repair maintenance of various electrical installation and mechanical equipment at ncc bhawan, sector-19, rohini, delhi dg. (sh providing fire retardant electrical lv/hv flooring in sub-station and lift machine rooms.)- 1 supplying & fixing of fire retardant / extinguishing elect. insulated met flooring sheet of 2.0 mm thick + 10% according to is: 15652, 2006 meeting requirements of is: 3043, is: 5216 (part 1, 2& 3), is: 8437 and iec 479 pub-1, tested for breakdown strength, tensile/ elongation, ageing, properties, insulations resistance, effects of acid, alkaline, diesel & transformer oil, leakage current test, having min. width of 1000 mm + 20 mm. all allied material such as pu-resin, chemi bound (hardener), spl. pvc adhesive, liquid primer annexure a clause c of is: 15652 and suitable for class-a upto 3.3 kv without ht movement. 2 supplying & fixing of fire retardant / extinguishing elect. insulated met flooring of 2.5 mm thick + 10% according to is: 15652, 2006 meeting requirements of is: 3043, is: 5216 (part 1,2& 3), is: 8437 and iec 479 pub-1, tested for breakdown strength, tensile/ elongation, ageing, properties, insulations resistance, effects of acid, alkaline, diesel & transformer oil, leakage current test, having min. width of 1000 mm+ 20 mm. all allied material such as pu-resin, chemi bound (hardener), spl. pvc adhesive, liquid primer and sealing material annexure a clause c of is: 15652 and suitable for class-b upto 11 kv with ht movement.