Section 21 Hazardous area classification
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 12 Recognised Codes and Standards for the Classification of Offshore Units - Chapter 1 Recognised Codes and Standards - Section 21 Hazardous area classification

Section 21 Hazardous area classification

21.1 Recognised codes and standards for hazardous area classification

21.1.1 The following codes and standards are recognised by LR:
  • API RP 500 Classification of Locations for Electrical Installations at Petroleum Facilities, Classified as Class 1, Division 1 and 2
  • API RP 505 Classification of Locations for Electrical Installations at Petroleum Facilities, Classed as Class I, Zones 0, 1 and 2
  • BS EN 14986 Design of fans working in potentially explosive atmospheres
  • BS EN ISO 80079-36 Explosive atmospheres. Non-electrical equipment for use in potentially explosive atmospheres. Basic method and requirements
  • EI Code, Part 15 Area Classification Code for Petroleum Installations
  • IEC 60079 series Explosive atmospheres
  • IEC 60529 Degrees of protection provided by enclosures (IP CODE)
  • ISO 17776 Petroleum and natural gas industries – Offshore production installations – Major accident hazard management during the design of new installations
  • ISO 20321 Petroleum, petrochemical and natural gas industries – Safety of machineries – Powered elevators
  • ISO 22899-1 Determination of the resistance to jet fires of passive fire protection materials
  • ISO 20088-1 Cryogenic spillage
  • NFPA 30 Flammable and Combustible Liquids Code

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