Page 24 - GRIHA Manual Volume IV - Introduction to National Rating System

Building planning and construction 15

Showers No. of ixtures 134.00
Flow rates (lpf/lpm) 15.00
Type of Building Residential
No. of uses * 1.00
Water Consumption (l) 3960.00
Other ( please mention) No. of ixtures 178.00
Flow rates (lpf/lpm) 6.30
Type of building Residential
No. of uses * 1.50
Water consumption (l) 2494.80
Daily water consumption (l) 44 470.80
Annual water consumption (l) 16 231 842.00
Water use reduction (%) 70.70
Formula used
Water use reduction (%) = [Annual water demand (Base case) – Annual water demand (design case) / Annual water demand (Base
case) ] *100
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