Section 167(2) in West Bengal Municipal (Building) Rules, 2007
(2)Local ground conditions shall be taken into account in the determination of the appropriate precautionary work and protection walls such as revetments, retaining walls, toe walls and breast walls as well as the specifications of the relevant codes of practice of the Bureau of Indian Standards including BIS 14243-Part I & II Selection and development of site for building in hill areas guidelines.
