48Air conditioning

48 Air conditioning

(1) The owner of a vessel must ensure that each of the following areas are air-conditioned to create an environment mentioned in ISO standard 7547/2002 Ships and marine technology — Air-conditioning and ventilation of accommodation spaces — Design conditions and basis of calculations, as in force from time to time:

(a) accommodation spaces;

(b) a radio room;

(c) a centralised machinery control room.

(2) The owner of a vessel must ensure that air conditioning systems on a vessel are designed:

(a) to maintain the air at a satisfactory temperature and relative humidity compared to outside air conditions in accordance with ISO standard 7547/2002 Ships and marine technology — Air-conditioning and ventilation of accommodation spaces — Design conditions and basis of calculations, as in force from time to time; and

(b) to ensure a sufficiency of air changes in all air-conditioned spaces; and

(c) to take account of the particular characteristics of operations at sea and not produce excessive noise or vibration; and

(d) to facilitate easy cleaning and disinfection of the system, to prevent or control the spread of disease.

(3) The owner of a vessel must ensure that all sanitary spaces on the vessel comply with paragraph 7(c) of MLC standard A3.1.

(4) The owner of a vessel must ensure that power for the operation of the air conditioning and other aids to ventilation is available at all times that seafarers are living or working on board the vessel.