Paragraph 25 Anchorage and mooring of vessels carrying dangerous goods
(1)
A merchant or private vessel—
(a)
carrying dangerous goods as cargo; or
(b)
which is in ballast having previously carried one or more dangerous goods as cargo, but which has not been gas freed,
must not be anchored, moored or secured alongside another vessel within the limits of the dockyard port except in accordance with a direction from the Queen’s Harbour Master.
(2)
In this paragraph “gas freed” means the process applied to a vessel by which sufficient fresh air has been introduced into all cargo tanks that previously contained dangerous goods to lower the level of any flammable, toxic or inert gas to a safe level.