Hull Construction Regulations

201 Every ship shall be fitted with a general alarm system

• (a) that, when operated, sounds an alarm of sufficient sound intensity to be heard adequately throughout the ship and, in ships that have high noise level spaces, activates a system of flashing lights in those spaces; and

• (b) that complies with the requirements of TP 127, Ship Safety Electrical Standards, published in 1982 by the Ship Safety Branch of the Department of Transport.