OPS Manual---Natural Gas Leaks (2018) Flashcards
Large Diameter Gas Leak?
Any natural gas leak that is on the supply side of the gas meter and the gas line can be described as broken and blowing.
Definition: Broking and Blowing
Terminology used to describe a natural gas line that is damaged on the supply side of the gas meter. Loud hissing noise
Dispatch Response?
1st Alarm Residential Structure and SDG&E
Dispatch Response? Odor of Natural Gas
1 Engine
**SDG&E (Response matrix)
SOP’s on Natural Gas Emergencies?
Do not enter a structure if the atmosphere is at ____ or greater of the LEL (_____)?
10% or .45%
Call for what resource to do air monitoring? (Oder of gas in the house)
Truck with a four-gas detector
What’s the preferred type of ventilation for odor of gas in the residence?
Intrinsically safe or natural ventilation
What’s the protocol for a 1st Alarm Gas Leak “Broken and Blowing”
Service Side??? Full PPE/SCBA Identify if on supply side Isolate and deny entry Eliminate/Control Ignition sources Confirm SDG&E ENROUTE Request SDPD for evacuations/traffic control
Can we shut down supply lines of a broken and blowing?
NO, NEVER….SDG&E Only
Should you pull a sufficient amount of 1 3/4”?
yes