SOP 16 High Pressure Natural Gas and High Vapour Pressure Liquids Pipelines

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Author:
JasonComley
ID:
163223
Filename:
SOP 16 High Pressure Natural Gas and High Vapour Pressure Liquids Pipelines
Updated:
2012-07-23 04:34:38
Tags:
JC
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Description:
JC SOP 16
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  1. Typically, how deep are high pressure gas pipelines buried?
    1 metre.
  2. Considerations for a natural gas incident? 11 points.
    • Gas may not be odorised.
    • Use a gas detector.
    • Approach with caution from upwind and uphill if possible.
    • Assess situation including local wind direction and advise comms of direction responding appliances should approach from.
    • Evacuate 600m for high pressure gas pipeline and 1000m for high pressure liquids pipeline.
    • All personnel in hot zone to have BA and hearing protection.
    • Do not extinguish burning gas.
    • Disperse and control escaping gas with fog lines, remote monitors if possible.
    • Avoid applying water directly to leaking gas main as this will make repair difficult.
    • Where practical build a bund around immediate area.
    • Await attendance of EPIC.
  3. Are vapours from HP liquids lighter or heavier than air?
    Heavier.
  4. What are the 2 types of fire that can result from a HP liquids leak?
    Pool fire and torch fire.

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