• Published: 26 Mar 2014
  • Incident ID: 3496

Gas Detection in Combustion Air Intake

Cause & Consequence

  • Uncontrolled release of a flammable gas or liquid
Incident Consequence
Hydrocarbon release

Incident Location

Fixed Installation

Incident Activity

Production operations

Specific Incident Equipment

Fuel gas air intake system

Lessons Identified

One of the low pressure regulators was found to have been assembled incorrectly.

Gas had leaked back into the air intake ducting from the engine carburettors. (normal occurrence during commissioning – minimal wind speeds present).

Incident Recommendations

Rectify regulator

Inhibit gas detectors during commissioning operations;

Alert workforce to the potential of gas accumulating in the air intake ducting during commissioning;

Prevent hot work around inlet to combustion air intake

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