S.L. 646.18 · Protection Of Workers In The Mineral (S.L. 646.18)
S.L. 646.18 Art. 30Mechanical doors and gates.
The employer shall ensure that mechanical doors and gates:
(a) function without risk of accident to workers;
(b) are fitted with easily identifiable and accessible emergency shut-down devices and, unless they open automatically in the event of a power failure, they can be also be opened manually.