IGEM/UP/3 Edition 3 - Gas fuelled spark ignition and dual fuel engines

These procedures apply to spark ignition and compression ignition engines of both the reciprocating and rotary type, either stationary or portable, for both continuous and standby duties, excluding engines used for vehicle and marine propulsion. Primarily they cover the essential safety aspects of the engineering, installation and operation of engines using 1st, 2nd or 3rd family gases as fuel. They apply to gas pipework and control systems downstream of, and including, the engine manual isolation valve, at an upstream MOP > 0.5 bar.

Specifically, it contains details of:

  • Legal considerations such as Gas Safety (Installation and Use) Regulations
  • Engine installation
  • Gas supply pressures
  • Gas supply pipework
  • Facilities for testing and purging
  • Venting
  • Hazardous area classification
  • Air supplies
  • Safety of electrical equipment
  • Exhaust system
  • Essential system requirements
  • Engine design and operation
  • Ancillary equipment
  • Commissioning and handover
  • Maintenance.

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