Section 205(c) in Goa Building and Other Construction Workers' (Regulation of Employment and Conditions of Service) Rules, 2008
(c)any tower scaffold which can be moved or castered is: -(i)constructed with due regard to the stability and, if necessary, adequately waited at the base;(ii)used only on plain and even surface; and(iii)has casters provided with positive locking devices to hold such scaffold in position;