Lloyd's Register Rulefinder 2020 - Version 9.33 - Fix
Statutory Documents - IMO Publications and Documents - Specifications and Manuals - Inert Gas Systems - 9 Maintenance and Testing - 9.7 Testing of other units and alarms

9.7 Testing of other units and alarms

  9.7.1 A method should be devised to test the correct functioning of all units and alarms and it may be necessary to simulate certain conditions to carry out an effective testing programme.

  9.7.2 Such a programme should include checking:

  • .1 all alarm and safety functions;

  • .2 the functioning of the flue gas isolating valves;

  • .3 the operation of all remotely or automatically controlled valves;

  • .4 the functioning of the water seal and nonreturn valve (with a backflow pressure test);

  • .5 the vibration level of the inert gas blowers;

  • .6 for leakages: in systems four years old or more, deck lines should be examined for gas leakage;

  • .7 the interlocking of the soot blowers;

  • .8 oxygen measuring equipment, both portable and fixed, for accuracy by means of both air and a suitable calibration gas.


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