Means shall be provided for pumping the bilges when special circumstances render the pump room inaccessible.
The equipment necessary for this is to be capable of being operated from outside the pump room or from the pump room casing above the tank deck (freeboard deck).
Means for ballasting segregated ballast tanks adjacent to cargo tanks shall be located in the cargo area and are to be independent of piping systems forward and aft of the cofferdams.
On oil tankers an emergency discharge connection through a spool piece to cargo pumps may be provided.
A non-return device in the ballast system shall be provided to prevent the backflow of cargo into ballast tanks.
The spool piece together with a warning notice shall be mounted in a conspicuous location in pump room.
Ballast water pipes, sounding and air pipes shall not pass through cargo oil tanks.