911-we_shall_never_forget-memorial
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Abstract Forest fires are generally consciously or unconsciously the work of man for various reasons. Fires generated by voltaic arc between power lines and the underlying trees do not occur often. These few cases may be only demonstrated by analyzing around the site where the arc may have been generated. Material such as leaves, bark and soil can be analyzed to find the metallic residues from the fused cables. The electrical cables usually composed of aluminum or copper alloys, when involved in an electric arc may spray fused micro-drops of metals, increasing the natural level of such elements. In two cases, the Al and Cu concentrations were increased by between 2.56 to 13.9 times the background levels. Electron microscopy of leaf surfaces has identified some profound alterations produced by the intense heat of the electrical discharge.

Abstract

Forest fires are generally consciously or unconsciously the work of man for various reasons. Fires generated byvoltaic arc between power lines and the underlying trees do not occur often. These few cases may be only demonstratedby analyzing around the site where the arc may have been generated. Material such as leaves, bark and soil can beanalyzed to find the metallic residues from the fused cables. The electrical cables usually composed of aluminum orcopper alloys, when involved in an electric arc may spray fused micro-drops of metals, increasing the natural levelof such elements. In two cases, the Al and Cu concentrations were increased by between 2.56 to 13.9 times thebackground levels. Electron microscopy of leaf surfaces has identified some profound alterations produced by theintense heat of the electrical discharge.

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In 2009-2013, U.S. fire departments responded to an estimated average of 56,000 structure fires per year in homes that involved heating equipment. These fires resulted in annual losses of 470 civilian deaths, 1,490 civilian injuries, and $1.0 billion in direct property damage. These homes included one- and two-family homes (including manufactured homes) and apartments (including townhouses and other multi-family dwellings). Space heaters are the type of equipment most often involved in home heating equipment fires, figuring in two of every five fires (40%). The fires involving space heaters accounted for 84% of the civilian deaths and 75% of civilian injuries in home fires caused by heating equipment, as well as over half (52%) of direct property damage. Another one-third (32%) of fires involved a fireplace or chimney, but these fires accounted for a much smaller share of civilian fatalities (5%) and civilian injuries (6%). Central heat and water heaters were responsible for 12% and 10% of home fires caused by heating equipment, respectively.

Abstract

In 2009-2013, U.S. fire departments responded to an estimated average of 56,000 structure fires per year in homes that involved heating equipment. These fires resulted in annual losses of 470 civilian deaths, 1,490 civilian injuries, and $1.0 billion in direct property damage. These homes included one- and two-family homes (including manufactured homes) and apartments (including townhouses and other multi-family dwellings).Space heaters are the type of equipment most often involved in home heating equipment fires, figuring in two of every five fires (40%). The fires involving space heaters accounted for 84% of the civilian deaths and 75% of civilian injuries in home fires caused by heating equipment, as well as over half (52%) of direct property damage. Another one-third (32%) of fires involved a fireplace or chimney, but these fires accounted for a much smaller share of civilian fatalities (5%) and civilian injuries (6%). Central heat and water heaters were responsible for 12% and 10% of home fires caused by heating equipment, respectively.

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From Out of the Abyss...

This week’s article from the past is titled Incendiary Fires Can Be Spotted and was written by Benjamin Horton, CPCU, who was President of the National Adjuster Traing School in Louisville, Kentucky..  It is taken from the Decembe 1968 Vol. XVI No.5 issue.

Incendiary Fires Can Be Spotted 

In the new issue of NFPA Journal®, President Jim Shannon said the Association will focus on the leading causes of home fires, including cooking. "We also need to continue to push hard for home fire sprinklers. That's still a large priority for NFPA, and we plan to work very aggressively in 2014 on our residential sprinkler initiative," he said.

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What is Ethics?  There are many famous people throughout history who have commented on this topic.

~~“The most important persuasion tool you have in your entire arsenal is integrity.”  ~Zig Ziglar

 ~~“Educating the mind without educating the heart is no education at all.”  ~Aristotle

 ~~“Education without values, as useful as it is, seems rather to make man a more clever devil.”  ~C.S. Lewis  

Submitted by Larry Luckham San Rafael Fire Department

One evening around 6:15 PM a few months ago I received a page to a reported structure fire at an address I knew to be a hotel.  I responded and arrived several minutes after the first-in engine company had reported on scene.  Enroute I understood from radio traffic that the fire was extinguished by the building sprinkler system, and a second crew was securing the sprinkler system to shut off the water.

As I entered the building I was directed by a firefighter to the second floor elevator lobby where a crew was busy with dewatering. The Captain showed me where the fire had started, which was in a trash container closet just off the elevator lobby. The closet itself was bare except for two 40 gallon plastic trash cans with black plastic liners. There was no sign that there had been any fire at all. The white enamel walls were clean, without even smoke deposits.

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Wildfire Origin and Cause Investigation

Part 1

As the spring fire season approaches, fire investigators across the country will be responding to wildfires to conduct origin and cause investigations. In many jurisdictions, investigators are assigned to a type of investigation that is unfamiliar. During the response, the investigator may be thinking that it is no big deal, having already investigated hundreds of structure fires. How hard can a wildfire be? The answer is simple; you must be trained in wildfire investigation to understand the process.

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Part 2

In Part 2 of “Wildfire Origin and Cause Investigation,” we will continue to discuss the main points for the local fire investigator to focus on when conducting a wildfire investigation. Hopefully, last month’s article was an eyeopener for some local investigators to expand their education. The topics we will cover this month will be fire cause determination and fire cause categories/ignition sources. Investigators should become familiar with NFPA 921 and NWCG Wildfire Origin and Cause Determination Handbook.

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