9.12 Storage of gas cylinders
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 1979 MODU Code – Code for the Construction and Equipment of Mobile Offshore Drilling Units – Resolution A.414(XI) - Chapter 9 – Fire Safety - 9.12 Storage of gas cylinders

9.12 Storage of gas cylinders

  9.12.1 Where more than one cylinder of oxygen and more than one cylinder of acetylene are carried simultaneously, such cylinders should be arranged in accordance with the following:

  • .1 Permanent piping systems for oxy-acetylene are acceptable provided that:

    • .1 all fixed piping is of steel and suitable joints are fitted;

    • .2 material containing more than 70 per cent copper is not used in the system except for welding or cutting tips;

    • .3 allowance is made for expansion of the piping;

    • .4 the piping system is suitable for the intended pressures.

  • .2 Where two or more bottles of each gas are intended to be carried in enclosed spaces, separate dedicated storage rooms should be provided for each gas.

  • .3 Storage rooms should be constructed of steel, and be well ventilated and accessible from the open deck.

  • .4 Provision should be made for the expeditious removal of cylinders in the event of fire.

  • .5 "NO SMOKING" signs should be displayed at the gas cylinder storage rooms.

  • .6 Where cylinders are stowed in open locations means should be provided to:

    • .1 protect cylinders and associated piping from physical damage;

    • .2 minimize exposure to hydrocarbons; and

    • .3 ensure suitable drainage.

  9.12.2 Fire-extinguishing arrangements for the protection of areas or spaces where such cylinders are stored should be to the satisfaction of the Administration.

Parent topic: Chapter 9 – Fire Safety
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