Hong Kong Regulations

QUARRIES (SAFETY) REGULATIONS - REGULATION 53

Overburden to be cleared back

(1) The supervisor on duty in a quarry shall cause all work therein to be
carried out so that any overburden at the top of any face or side in the
quarry is cleared back horizontally from the top of the face or side to a
distance of not less than twice that of the height of the overburden or not
less than 8 metres, whichever is the greater. (L.N. 238 of 1984)

(2) Any supervisor on duty who contravenes paragraph (1) shall be guilty of an
offence.