reg 13 Watchkeeping arrangements in port for ships carrying hazardous cargo
(1) The master of any ship which is carrying hazardous cargo and which is in port, even when safely moored or safely at anchor, shall in addition to any watchkeeping arrangements required under regulation 12, in the case of: (a) a ship carrying hazardous cargo in bulk, ensure that a safe deck watch and safe engineering watch are maintained by the ready availability on board of a duly qualified officer or officers, and where appropriate ratings; and (b) a ship carrying hazardous cargo other than in bulk ensure that in organising safe watchkeeping arrangements he takes account of the nature, quantity, packing and stowage of the hazardous cargo and of any special conditions on board, afloat and ashore. (2) Such watchkeeping arrangements shall take full account of the principles and requirements specified by the Secretary of State.