Total rooftop area:
11,080 square metres (sq m)Average annual rainfall in Gurgaon: 4
577.8 millimetres (mm)
Total rainwater available from rainfall: 5,441 metre cubic (m3) or 54,41,720 litres (Which is 85 per cent of total rainwater
harvesting potential of these buildings.)
WATER SUPPLY SOURCE
The water requirements for potable and non potable purposes
are met by four
bore wells located in the factory premises.
RAINWATER HARVESTING SYSTEM
PHASE-I
The rooftop rainwater from the Administrative building, the
New Time Office, the Dispensary, the Canteen, the R & D
Centre and the Export & Dispatch buildings is collected
by a series of collection chambers and interconnecting pipes.
This water is diverted to recharge wells constructed at six
different locations in the factory premise. The recharge wells
are of the size of 3 m x 2 m x 3 m and are provided with recharge
bore wells of 8 inch diameter and 40 m depth. The recharge wells
are filled with three layers of pebbles ranging from 10 mm to
100 mm in size, which ensure efficient filteration. The implementation
of phase-I was completed in June 2002.
PHASE-II
The rooftop rainwater from the remaning part of the R &
D Centre, the Canteen building, the Newly Constructed Gears
& Shaft section and the New Alluminium Phase is also collected
in collection chambers and through interconnecting pipes diverted
to recharge wells at four different ocations. The design and
dimensions of the recharge wells remain the same as in phase-I.
The implementation of phase-II was completed in February 2004.
The groundwater level, as in February 2004, was around 17 m
below ground level (bgl).
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