Maritime Occupational Health and Safety Regulations

58 (1) All vessels, except those regularly engaged in trade where temperate climatic conditions do not require it, must be equipped with air conditioning for crew accommodation, for any separate radio room and for any centralized machinery control room.

(2) Air conditioning systems must be designed to

• (a) maintain the air at a satisfactory temperature and relative humidity as compared to outside air conditions;

• (b) ensure a sufficient number of air changes in all air-conditioned spaces;

• (c) take account of the particular characteristics of operations at sea;

• (d) not produce excessive noises or vibrations; and

• (e) facilitate cleaning and disinfection in order to prevent or control the spread of disease.