F1ANNEX ISAFETY REQUIREMENTS FOR NEW AND EXISTING PASSENGER SHIPS ENGAGED ON DOMESTIC VOYAGES

Annotations:

CHAPTER II-2FIRE PROTECTION, FIRE DETECTION AND FIRE EXTINCTION

PART BFIRE SAFETY MEASURES

8Protection of stairways and lifts in accommodation and service spaces (R 29)

NEW CLASS B, C AND D SHIPS:

.1All stairways shall be of steel frame construction, except where the Administration sanctions the use of other equivalent material, and shall be within enclosures formed of A class divisions, with positive means of closure of all openings except that:

  1. .1

    a stairway connecting only two decks need not be enclosed, provided the integrity of the deck is maintained by proper bulkheads or doors in one between-deck space. When a stairway is closed in one between-deck space, the stairway enclosure shall be protected in accordance with the tables for decks in Regulations 4 and 5;

  2. .2

    stairways may be fitted in the open in a public space, provided they lie wholly within such public space.

NEW CLASS B, C AND D AND EXISTING CLASS B SHIPS:

.2Stairway enclosures shall have direct access with the corridors and be of a sufficient area to prevent congestion, having in view the number of persons likely to use them in an emergency.

NEW CLASS B, C AND D SHIPS: Within the perimeter of such stairway enclosures only public toilets, lockers of non-combustible material providing storage for safety equipment and open information counters are permitted.

Only public spaces, corridors, public toilets, special category spaces, other escape stairways required by Regulation II-2/B/6-1.5 and external areas are permitted to have direct access to these stairway enclosures.

NEW CLASS B, C AND D AND EXISTING CLASS B SHIPS:

.3

Lift trunks shall be so fitted as to prevent the passage of smoke and flame from one between-deck to another and shall be provided with means of closing so as to permit the control of draught and smoke.