Section 141(a) in Goa Building and Other Construction Workers' (Regulation of Employment and Conditions of Service) Rules, 2008
(a)reliable and effective means of communication such as telephone or walkie-talkie are provided and are maintained in working order for arranging better and effective communication at an excavation or tunnelling work at the following locations, namely, -(i)working chamber of an excavation;(ii)intervals of hundred metres along the tunnel;(iii)working chamber side of a man lock near the door of such man lock;(iv)interior of each chamber of a man lock;(v)location conspicuous place at a lock attendant's station;(vi)a compressor plant;(vii)a first aid station; and(viii)outside the portal or the top of the shaft.
