9.13 Hydrogen sulphide detection and alarm system
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 2009 MODU Code - Code for the Construction and Equipment of Mobile Offshore Drilling Units, 2009 – Resolution A.1023(26) - Chapter 9 - Fire Safety - 9.13 Hydrogen sulphide detection and alarm system

9.13 Hydrogen sulphide detection and alarm system

  9.13.1 A fixed automatic hydrogen sulphide gas detection and alarm system should be provided to the satisfaction of the Administration so arranged as to monitor continuously the drilling area, mud processing area and well fluid test area of the unit and capable of giving audible and visual alarm at the main control points. If the alarm at the main control point is unanswered within 2 min, the toxic gas (hydrogen sulphide) alarm and the helideck status light under paragraph 13.5.25 should be automatically activated.

  9.13.2 At least two portable hydrogen sulphide gas monitoring devices should be provided on the unit.

Parent topic: Chapter 9 - Fire Safety
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