6.1 Zones
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 1989 MODU Code – Code for the Construction and Equipment of Mobile Offshore Drilling Units, 1989 – Resolution A.649(16) - Chapter 6 – Machinery and Electrical Installations in Hazardous Areas for all Types of Units - 6.1 Zones

6.1 Zones

 Hazardous areas are divided into zones as follows:

 Zone 0: in which an explosive gas/air mixture is continuously present or present for long periods.

 Zone 1: in which an explosive gas/air mixture is likely to occur in normal operation.

 Zone 2: in which an explosive gas/air mixture is not likely to occur, or in which such a mixture, if it does occur, will only exist for a short time.

Parent topic: Chapter 6 – Machinery and Electrical Installations in Hazardous Areas for all Types of Units
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