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[Cites 0, Cited by 0] [Section 5A(1)] [Section 5A] [Entire Act]

State of Tamilnadu - Subsection

Section 5A(1)(b) in The Chennai Metropolitan Area Groundwater (Regulation) Rules, 1988

(b)surface run-off water from the open spaces around the buildings, parks and playgrounds shall be harvested using appropriate recharge structures based in the nature of the sub-soil conditions.
(i)Roof-top rain water harvesting - Direct collection. - Rain water from the roof of the buildings such as tiled/ sloped terrace building and flat/ RCC (Reinforced concrete cement) roof shall be collected using appropriate size of gutters or PVC (Poly vinyl chloride) pipes and stored either in a collection tank or storage tank of appropriate size placed over the ground or underground through a filter unit. A filter chamber of appropriate size shall be provided to filter the dust particles usually present in the roof-tops of the buildings. Suitable filter material such as well-burnt broken bricks or coarse sand or small sized pebbles or blue metal gravels (baby chips) shall be used in the filter chamber. The surplus water-available after filling the storage tank/ sump shall be diverted to the nearby open well or bore well or recharge pits. Proper disinfection shall be made while storing the water for long use.