An employer must not require or permit an employee to work in a refrigerated environment in which the actual dry bulb temperature is below 0 ºC unless -
- the maximum exposure of the employee does not exceed the prescribed periods;
- the employee is provided with the following protective clothing:
(i) A nylon freezer suit or equivalent and, where the said temperature is below -34 ºC, such suit or equivalent shall be of double layer;
(ii) a woollen Balaclava or equivalent;
(iii) fur-lined leather gloves or equivalent;
(iv) waterproof outer gloves with knitted woollen or equivalent inners as well as a waterproof apron where wet or thawing substances are handled;
(v) woollen socks; and
(vi) waterproof industrial boots or equivalent:
Provided that an employee who works in a low-temperature area in which the temperature is not lower than -18 ºC for periods not exceeding five minutes in every hour need only be provided with an ordinary overall.
gloves and shoes, or equivalent;
- the employee is, beforehand and thereafter, at intervals not exceeding one year, certified fit to work in such environment by a registered medical practitioner or a registered nurse according to a protocol prescribed by such practitioner, and such employee is issued with a certificate to that effect; and
- all the clothing worn by the employee is dry prior to entering the low-temperature area.