propane storage

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20 Questions

What is the primary purpose of the protocol mentioned in the text?

To provide for the safety of personnel and give guidelines for mitigating incidents involving LPG

What caution is mentioned regarding the behavior of LPG vapors under fire conditions?

Vapors may explode if ignited in an enclosed area

What potential hazard is associated with LPG vapors being heavier than air?

They will collect in low lying areas, ditches, storm drains, etc.

What is the purpose of using the guidelines mentioned in the text in conjunction with other department protocols?

To formulate a plan of action to mitigate incidents involving propane

What should be done if the relief valve continues to vent or accelerates while water is being applied to an overfilled container?

Withdraw all personnel in the area

What is the recommended fire extinguishing agent for a small fire involving the propane gas?

Dry chemicals

What is the color of the propane gas when shipped?

Colorless

What is the boiling point of propane gas at 1 atm?

$-438°F$

What are the NFPA hazard classifications for propane gas in terms of flammability?

4

What is the specific gravity of propane gas at $-50°C$ (liquid state)?

$0.590$

What observable characteristic is mentioned for propane gas in terms of its physical state when shipped?

Liquefied Compressed gas

What is the latent heat of vaporization for propane gas?

$183.2 Btu/lb$

What are the primary objectives for dealing with flammable gases?

Evacuate civilians, isolate ignition sources, determine gas leak source, and control the leak

What are the steps upon scene arrival for dealing with flammable gas incidents?

Size-up, determine incident level, request resources, establish staging area, accountability, secure area, control entry, isolate ignition sources, establish hot/warm/cold zones

What are the protocols for vapor discharge in open air, confined areas, or fires?

Evacuation, traffic re-routing, shutting down the source, and protecting exposures if necessary

What is the protocol for handling gas smell in structures?

Isolating ignition sources, evacuating occupants, securing the building, and conducting gas supply checks

What is the procedure for handling portable propane cylinders?

Bleeding down the container, transferring propane, or flaring off the container

What are the hazards and handling of polyethylene pipe used for propane and natural gas conveyance?

Static electricity generation and temporary repair

What is the protocol for propane overfill incidents?

Similar scene arrival steps and procedures for relief valve discharge with or without fire

What are the steps for relief valve discharge incidents?

Evacuating civilians, shutting off ignition sources, stopping discharge, dispersing vapor with water spray, and cooling the container with water spray

Study Notes

Emergency Response Protocol for Flammable Gas Incidents

  • Primary objectives for dealing with flammable gases: evacuate civilians, isolate ignition sources, determine gas leak source, and control the leak
  • Steps upon scene arrival: size-up, determine incident level, request resources, establish staging area, accountability, secure area, control entry, isolate ignition sources, establish hot/warm/cold zones
  • Protocols for vapor discharge in open air, confined areas, or fires, including evacuation, traffic re-routing, shutting down the source, and protecting exposures if necessary
  • Protocol for handling gas smell in structures, including isolating ignition sources, evacuating occupants, securing the building, and conducting gas supply checks
  • Procedure for handling portable propane cylinders, including bleeding down the container, transferring propane, or flaring off the container
  • Hazards and handling of polyethylene pipe used for propane and natural gas conveyance, including static electricity generation and temporary repair
  • Protocol for propane overfill incidents, with similar scene arrival steps and procedures for relief valve discharge with or without fire
  • Steps for relief valve discharge incidents, including evacuating civilians, shutting off ignition sources, stopping discharge, dispersing vapor with water spray, and cooling the container with water spray

Test your knowledge of emergency response protocols for flammable gas incidents with this quiz. Explore procedures for handling gas leaks, vapor discharge, propane cylinders, relief valve incidents, and more.

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