Section 115(b) in The Orissa Building and Others Construction Workers (Regulation of Employment and Conditions of Service) Rules, 2002
(b)during the demolition of an exterior masonry wall of a roof from a point more than twelve meters above the adjoining ground level such wall or roof are exposed to falling objects, suitable and safe catch platforms shall be provided and maintained at a level no more than six meters below the working level except where an exterior built-up scaffold is provided for safe and adequate protection of such persons;