Repair and Renovation work in Delhi Co-operative Housing Finance Corporation at Sirifort Institutional Area, August Kranti Marg, New Delhi (SH Preventive measure for Bugs in DCHFC Office at Sirifort Institutional Area, August Kranti Marg, New Delhi).

Chlorpyriphos/ Lindane emulsifiable concentrate of 20%

Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 Coarse sand) to match the existing floor: With Chlorpyriphos/Lindane E.C. 20% with 1% concentration

Treatment of existing masonry using chemical emulsion @ one litre per hole at 300 mm interval including drilling holes at 45 degree and plugging them with cement mortar 1:2 (1 cement : 2 coarse sand) to the full depth of the hole : With Chlorpyriphos/Lindane E.C. 20% with 1% concentration

Treatment at points of contact of wood work by chemical emulsion Chlorpyriphos/ Lindane (in oil or kerosene based solution) @ 0.5 litres per hole by drilling 6 mm dia holes at downward angle of 45 degree at 150 mm centre to centre and sealing the same.

Modified Estimated Cost after using Correction factor on DSR-2023 (Item No.01 to 2.03) on account of GST @ 0.973=(-) 11856/- (439126*0.973=11856) = (439126-427270) = 11856)

Add cost index@3% on DSR-2023 (Item No.01 to 2.03) on account of GST @ 3% = 12818/- (427270*3%=12818)