Annual maintenance of SWD in Sector2 7E 12 16A 56 56A AND 62 Faridabad Supply of Compressor Gravel and labour for 15 Nos Rain water harvesting cleaning in Sector 56 56A Faridabad

Amount

Providing and placing in horizontal layer filtering media screened, washed and cleaned as described below :

Top Layer Fine and screened, cleaned and washed and graded (effective, size 0.2 to 4 mm with uniformity coefficient 2.0 to 3.0) from Ghaggar or other approved source.

Second Layer Course sand screened, cleaned and washed and Graded from 3 mm to 6 mm (from Ghaggar or other approved equivalent quarry)

Third Layer Bajri Screened washed and graded from 6 mm to 20 mm (from Ghaggar or approved equivalent quarry).

Fourth Layer Bajri (coursed) screened and washed graded from 20 mm to 25 mm (From Ghaggar or approved equivalent quarry)

Supply of labour for cleaning of harvesting tank.

Supply of compressor 320 MFD on rent basis for cleaning of Harvesting bore.

Allied Engineers and Errectors