S.L. 646.2 · Dock Safety Regulations (S.L. 646.2)
S.L. 646.2 Art. 27Cranes and winches.
PART IV
Cranes and winches shall be provided with such means as will reduce to a minimum the risk of the accidental descent of a load while being raised or lowered. In particular, the lever controlling the link motion reversing gear of a crane or winch shall be provided with a suitable spring or other locking arrangement.