Guwahati Building ByelawsState Rules of Assam · 2010
No building shall be constructed on any sites on any part of which there is deposited refuse excrete, or other offensive matter to which the health authority objects until such refuse has been removed therefrom and the site has been prepared or left in a manner suitable for building purpose to the satisfaction of the Authority.
Provided that where it is intended to found a building on piles or non reinforced concrete pillars, the Authority may insist for appropriate treatment of the site by chemicals or in some other manner to the satisfaction of the health authority and to be covered by a layer of sand or other suitable material to a depth of not less than 150 mm thick.