Regulation 29 - Ventilation systems
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Conventions - SFV - International Convention for the Safety of Fishing Vessels (The Torremolinos Convention)Regulations for the Construction and Equipment of Fishing Vessels - Chapter V - Fire Protection, Fire Detection, Fire Extinction and Fire Fighting - (See also regulation IV/19) - Part C - Fire Safety Measures in Vessels of 45 metres in Length and Over but Less than 60 metres - Regulation 29 - Ventilation systems

Regulation 29 - Ventilation systems

  (1) Except as provided for in regulation 30(2), means shall be provided to stop fans and close main openings to ventilation systems from outside the spaces served.

  (2) Means shall be provided for closing, from a safe position, the annular spaces around funnels.

  (3) Ventilation openings may be permitted in and under the doors in corridor bulkheads except that such openings shall not be permitted in and under stairway enclosure doors. The openings shall be provided only in the lower half of a door. Where such opening is in or under a door the total net area of any such opening or openings shall not exceed 0.05 m2. When such opening is cut in a door it shall be fitted with a grille made of non-combustible material.

  (4) Ventilation ducts for machinery spaces of category A or galleys shall not in general pass through accommodation spaces, service spaces or control stations. Where the Administration permits this arrangement, the ducts shall be constructed of steel or equivalent material and arranged to preserve the integrity of the divisions.

  (5) Ventilation ducts of accommodation spaces, service spaces or control stations shall not in general pass through machinery spaces of category A or through galleys. Where the Administration permits this arrangement the ducts shall be constructed of steel or equivalent material and arranged to preserve the integrity of the divisions.

  (6) Store-rooms containing appreciable quantities of highly flammable products shall be provided with ventilation arrangements which are separate from other ventilation systems. Ventilation shall be arranged at high and low levels and the inlets and outlets of ventilators shall be positioned in safe areas. Suitable wire mesh guards to arrest sparks shall be fitted over inlet and outlet ventilation openings.

  (7) Ventilation systems serving machinery spaces shall be independent of systems serving other spaces.

  (8) Where trunks or ducts serve spaces on both sides of "A" class bulkheads or decks, dampers shall be fitted so as to prevent the spread of fire and smoke between compartments. Manual dampers shall be operable from both sides of the bulkhead or the deck. Where the trunks or ducts with a free cross-sectional area exceeding 0.02 m2 pass through "A" class bulkheads or decks, automatic self-closing dampers shall be fitted. Trunks serving compartments situated only on one side of such bulkheads shall comply with regulation 9(1)(b).

Parent topic: Part C - Fire Safety Measures in Vessels of 45 metres in Length and Over but Less than 60 metres
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