Emergencies 2 Emergencies 3

Distribution Gas Mains Deliver?
- High Pressure- 60 PSI
- Medium Pressure-3-15 PSI
- Low Pressure- 1/4 PSI
- 1/4 PSI-most customers
- 1-3-some Commercial
Most Gas shutoffs are 1/4 turn counterclockwise

Key operating nut is parallel to piping, it is in open position

Perpendicular= closed position
Priority order of Gas Shutdown is?
- Appliance Valve- 1/4 turn
- Meter Valve- 1/4 turn..Master Meter-1/4 turn
- Head of Service Valve-most are 1/4 turn
- Exterior Gas Riser Valve- 1/4 turn
- Curb Valve- 1/4 turn (long service)
- Street Valve
Do Not Operate Street Valves except under extreme circumstance and only upon direction of the fire department Incident Commander AFTER consultation with the utility representative supervisor
Do not turn the CURB VALVE..

More than 15 times
Plastic Pipe is not allowed to be used as gas pipe inside of a structure

Author

Anonymous

229489

Card Set

Emergencies 2 Emergencies 3

Description

Study Guide Week 2

Updated

2013-08-08T03:06:59Z

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