Section 168(7) in West Bengal Municipal (Building) Rules, 2007
(7)(a)Individual columns of all RCC framed buildings shall in the case of stepped foundations, be interconnected in two directions, at right angles, by RCC beams at the footing level, designed in accordance with BIS Codes of Practice;(b)Individual column of all RCC framed buildings as well as all external and internal walls of a load bearing structure, shall be interconnected in two directions at right angles by RCC beams at plinth level adequately designed in accordance with BIS Codes of Practice;(c)There shall be adequately designed RCC lintel bands in all external and internal brick and stone masonry walls at vertical intervals not more than 0.9 metre. These shall be continuous and connected to each other at the same level in the case of all load bearing walls and tied to the columns in case of RCC framed structures.
