(1) The Flood Zoning Authority shall carry out surveys of flood plains of the rivers and determine the nature and the extent of flood plains of the rivers.
(2) The Flood Zoning Authority shall, on the basis of the survey carried out under sub-section (1) establish flood plain zones and delineate the areas which are subject to flooding including classification of land with reference to relative risk of flood plain use intended to safeguard the health, safety and property of the general public.
(3) The Flood Zoning Authority shall prepare charts and registers indicating the areas delineated under sub-section (2).
Power to take up survey
6. It shall be lawful for the Flood Zoning Authority or any of the officers generally or specially authorized by it in this behalf-
(a) to enter upon and survey and take levels of any land within its or his jurisdiction;
(b) to mark such levels, boundaries and lines by placing marks or boundary stones;
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(c) to measure the land;
(d) to do all other acts necessary for the purposes of ascertaining the limits referred to in sub-section (2) of section 3; and
(e) Where otherwise the survey cannot be completed and the levels taken, to cut down and clear away any part of standing crop, fence or jungle :
Provided that no Flood Zoning Authority or any other officer shall enter into any building or open any enclosed court or garden attached to a dwelling-house (unless with the consent of the occupier thereof) without previously giving such occupier at least seven days notice in writing of its or his intention to do so.
Payment of damages