Natural Gas And Carbon Monoxide Flashcards
Increase knowledge on policy 804
What is added to natural gas so a leak can be detected
Ethyl mercaptan - it is extremely harmful to the environment and should not be allowed to enter water courses or
How long does it take for a high pressure system to shut down
It can take 1 hour to prevent rupture of the system from sudden shock of the valves being closed
What is a hazard zone for a suspected gas leak
25 m and position cruise at an angle greater than 45 degrees to the front or rear of the building
What is the hazard zone for a high pressure natural gas pipeline rupture
200 m cruise working within this zone must have full PPE and BA on to affect rescues.Under congested conditions as hazard zone of minimum of 600 m should be established
What is the hazard zone for a leak from a mass storage site
1000 M&A weight advice from the hazardous materials and environmental protection officer
Where a gas leak has ignited what actions should crews take
They should protect surrounding buildings and wait until the gas supply has been shut off
Do we have powers of entry at a gas leak incident
No but the gas authority does
What level of attendance will be required at a suspected large release or persons reported trapped
Minimum level 2 attendance
What does c o m a h site stand for
Control of major accident Hazard