Panchayat:Repo18/Law Manual Page0814
(V) Group D Assembly
(vi) Group E Office/Business
(vii) Group F Mercantile/Commercial (If the total floor area of the building is
upto 100 sq.metres and if the plot area is upto 200 sq.metres,
the rainwater storage arrangements are not mandatory.)
(vii) Group G1 and Industrial (only for workshops, assembly plants, laboratories, The Group G2 Gro dry cleaning plants, power plants, Gas plants, refineries, diaries, food processing units and any other occupancies notified by the Government from time to time).
91[x x x]
Provided also that, the rainwater storage arrangements are not mandatory for thatched building.
(2) The components of a workable rainwater storage arrangement as stipulated in sub rule (1) above, shall include:
(1) Roof gutters;
(ii) Down pipe and first flush pipe arrangement;
(iii) Filter unit; and
(iv) Storage tank with provisions for drawing water and spill-over.
(3) The minimum capacity of the storage tank as stipulated in sub rule (2) (iv) of the rainwater storage arrangement shall be at the rate give below:
Group A1 25 litres/sq.m.of 93[coverage area]
Group A2 25 litres/sq.m.of 93[coverage area]
Group B 50 litres/sq.m.of 93[coverage area]
Group C 50 litres/sq.m.of 93[coverage area]
Group D 50 litres/sq.m.of 93[coverage area]
Group E 50 litres/sq.m of 93[coverage area]
Group F 25 litres/sq.m of 93[coverage area]
Group G1 and Group G2 50 litres/sq.m.of 93[coverage area]
92[x x x]
94[Note:- 'Coverage' means the area mentioned in item (y) of sub-rule (1) of Rule 2].
(4) The owner(s)/occupier(s) shall maintain the rooftops and the rainwater storage arrangements in healthy working condition.
(5) Additional arrangements for carrying the spillover water from storage tank to recharge well or recharge pond or percolation pit need be provided only if both groundwater recharging arrangements and rain water storage arrangements are provided as laid out in this chapter.