14.1 Operating Manual
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 14 – Operating Requirements - 14.1 Operating Manual

14.1 Operating Manual

  14.1.1 An Operating Manual containing guidance for the safe operation of the unit under normal and emergency conditions, to the satisfaction of the Administration, should be on board and available to all concerned.

  14.1.2 The Operating Manual should include the following information where applicable:

  • .1 a general description of the unit;

  • .2 limiting design data for each mode of operation, including loading, wave height, wave period, wind, current, draught, temperature, assumed sea-bed conditions, and other environmental factors;

  • .3 general arrangement plans showing watertight compartments, closures, vents, permanent ballast, and allowable deck loadings;

  • .4 light ship data and hydrostatic curves or equivalents;

  • .5 capacity plan showing the capacity, centre of gravity and free surface correction for each tank;

  • .6 instructions for operation of the unit including preparations and the approximate length of time required for meeting severe storm conditions, procedures for changing modes of operation and any inherent operational limitations;

  • .7 stability information setting forth the allowable maximum height of the centre of gravity in relation to draught data or other parameters based upon compliance with the intact and damage stability criteria;

  • .8 examples of loading conditions for each mode of operation and instructions for developing other acceptable loading conditions;

  • .9 plans and instructions for the operation of the ballast system;

  • .10 schematic diagrams of main and emergency power supplies and electrical installations;

  • .11 schematic diagrams of main oil fuel transfer and storage systems;

  • .12 a plan showing hazardous areas;

  • .13 fire control plan including type and location of fire-fighting appliances and escape routes from all compartments;

  • .14 safety provisions including location and operation of life-saving appliances and a procedure for evacuation of personnel from the unit;

  • .15 the rated capacity for each reeving of the drilling derrick; and

  • .16 the identification of the helicopter used for the design of the helicopter deck.


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