Section 142(2) in West Bengal Municipal (Building) Rules, 2007
(2)In case there is a building or structure in the adjoining plot, all precautionary steps shall be taken by the plot owners against and flowing into the trenches from the sides before the execution of foundation is started. For that purpose, shorting shall be done in all excavation works. Shorting shall be of tongues and grooves type. The height of shorting shall be such that it may rise up to ground level by 2 feet and cover the depth to be excavated. The responsibility for any damages sustained by any existing building in the adjoining plots due to flowing of sand in the excavated trenches will be entirely on the plot owner(s) excavating the trenches.
