Freeing Ports ( Regulation 24(1) and 24(5) ) (IACS interpretation LL.13)
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Conventions - Load Lines, 1966/1988 - International Convention on Load Lines, 1966, as Amended by the Protocol of 1988 - Unified Interpretations of the Provisions of the International Convention on Load Lines, 1966 - Freeing Ports (Regulation 24(1) and 24(5)) (IACS interpretation LL.13)

Freeing Ports ( Regulation 24(1) and 24(5) ) (IACS interpretation LL.13)

  Regulation 24(1):

 On a flush deck ship with a substantial deckhouse amidships the deckhouse is considered to provide sufficient break to form two wells and each could be given the required freeing port area based upon the length of the "well". It would not then be necessary to base the area upon 0.7L.

 In defining a substantial deckhouse the breadth of the deckhouse should be at least 80% of the beam of the vessel, and the passageways along the side of the ship should not exceed 1.5 metres in width.

 Where a screen bulkhead is fitted completely across the vessel, at the forward end of a midship deckhouse, this would effectively divide the exposed deck into wells and no limitation on the breadth of the deckhouse is considered necessary in this case.

 Wells on raised quarter decks should be treated as previously, i.e. as being on freeboard decks.

  Regulation 24(5):

 With zero or little sheer on the exposed freeboard deck or an exposed superstructure deck the freeing port area should be spread along the length of the well.

Parent topic: Unified Interpretations of the Provisions of the International Convention on Load Lines, 1966
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.