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General Emergency Response Fire Fighting Guidelines

Posted on Mon, Nov 14, 2011

In the event of a fire, properly trained staff can have a substantial impact on reducing damages. Emergency response firefighting guidelines for three different industrial scenarios are as follows:

A. Pressurized hydrocarbon vapors or LPG1.

  1. Block in and depressurize the fuel source before extinguishing the fire. Use water spray to cool exposed equipment during this period.
  2. Extinguishing agents are water fog pattern sprays, CO2, or dry chemical.
  3. Approach LPG storage tanks from the sides.
  4. If the pitch of the materials from venting safety devices or other vents increases, or if a discoloration of the vessel is detected, immediately evacuate the area.
  5. Extinguish the fire at the source of the fuel first and then move outward.

B. Flammable liquids (flash points below 140°F)

  1. Flammable liquids include, but are not limited to crude oil, gasoline, and naphtha.
  2. Extinguishing agents are CO2, dry chemical, or foam. While water is not generally used to extinguish flammable liquid fires, it can be used to cool exposed equipment.
  3. Extinguish ground fires first.
  4. Avoid plunging streams of the extinguishing agent into pooled liquids to avoid spreading or increasing the intensity of the fire.
  5. Apply foam at recommended rates for the specified duration. Do not break foam blankets on spilled materials.

C. Combustible liquids (flash points above 140°F)

  1. Combustible liquids include certain fuel oils, asphalts, gas oils, clarified slurry oil, etc.
  2. Extinguishing agents are CO2, dry chemical, water fog, or foam.
  3. Water must be used with caution for liquids above 200°F. It may cause frothing and should only be used used on the surface of the liquid as a light surface to remove heat.
  4. Extinguish ground fires first. Avoid plunging streams of the extinguishing agent into pooled liquids to avoid spreading or increasing the intensity of the fire.
  5. Apply foam at recommended rates for the specified duration. Do not break foam blankets on spilled materials. Do not use foam on liquids with temperatures above 200°F.

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Tags: Fire Department Training, Fire Pre Plans, Fire Preparedness, Crisis Management, Incident Management