Artikel 68

In ships carrying liquid cargo in bulk, deduction shall be made for spaces occupied by and strictly necessary for access to and for working pumps serving as cargo pumps, or, subject to the provisions of Article 78 under A (6) (n), transfer pumps for liquid fuel situated outside the boundaries of the propelling-machinery space, provided all such pumps are at the same time available for pumping out the ship.
The deductible pump-room space shall be determined as follows:
The space occupied by and necessary for working of a pump shall have a height equal to that of the pump, or of 7 feet, or 2.134 metres, whichever is the larger, and a horizontal area consisting of the floor space occupied, with sufficient space around for efficient working.
The space necessary for access shall have a height extending from the top of the space hereabove-mentioned to the upper deck and a horizontal area having one dimension equal to the breadth of the ladder and the other of 3 feet, or 0.914 metre, but not exceeding 6 square feet, or 0.557 square metre.
The total deduction allowed for pump-rooms shall not exceed the figures indicated in the table hereafter: