2.3 Shipside discharges below the freeboard deck
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - IBC Code - International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in BulkAmended by Resolution MEPC.225(64) - Chapter 2 Ship survival capability and location of cargo tanks - 2.3 Shipside discharges below the freeboard deck

2.3 Shipside discharges below the freeboard deck

  2.3.1 The provision and control of valves fitted to discharges led through the shell from spaces below the freeboard deck or from within the super-structures and deck-houses on the freeboard deck fitted with weathertight doors shall comply with the requirements of the relevant regulation of the International Convention on Load Lines in force, except that the choice of valves shall be limited to:

  1. .1 one automatic non-return valve with a positive means of closing from above the freeboard deck; or

  2. .2 where the vertical distance from the summer load waterline to the inboard end of the discharge pipe exceeds 0.01L, two automatic non-return valves without positive means of closing, provided that the inboard valve is always accessible for examination under service conditions.

  2.3.2 For the purpose of this chapter, “summer load line” and “freeboard deck” have the meanings as defined in the International Convention on Load Lines in force.

  2.3.3 The automatic non-return valves referred to in 2.3.1.1 and 2.3.1.2 shall be fully effective in preventing admission of water into the ship, taking into account the sinkage, trim and heel in survival requirements in 2.9, and shall comply with recognized standards.

Parent topic: Chapter 2 Ship survival capability and location of cargo tanks
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