NEW CLASS B, C AND D SHIPS:

Provision shall be made for the drainage of enclosed cargo spaces situated on the bulkhead deck. Where the freeboard to the bulkhead deck is such that the deck edge is immersed when the ship heels more than 5 °, the drainage shall be by means of a sufficient number of scuppers of suitable size discharging directly overboard, fitted in accordance with the requirements of Regulation 15. Where the freeboard is such that the edge of the bulkhead deck is immersed when the ship heels 5 ° or less, the drainage of the enclosed cargo spaces on the bulkhead deck shall be led to a suitable space, or spaces, of adequate capacity, having high water level alarm and provided with suitable arrangements for discharge overboard. In addition it will be ensured that: the number, size and disposition of the scuppers are such as to prevent unreasonable accumulation of free water; the pumping arrangements required by this regulation take account of the requirements for any fixed pressure water-spraying fire-extinguishing system; water contaminated with petrol or other dangerous substances is not drained to machinery spaces or other spaces where sources of ignition may be present; and where the enclosed cargo space is protected by a carbon dioxide fire-extinguishing system the deck scuppers are fitted with means to prevent the escape of the smothering gas.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-10 · Text as adopted (Official Journal); later amendments are not incorporated in this text.