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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Hearth & Home Technologies Recalls Gas Fireplaces

Corner FireplaceDescription

This recall involves Heat-N-Glo® and Heatilator® Corner Unit Series indoor gas fireplaces. The fireplaces are LP or NG-fueled corner units with tempered glass fronts. The following model numbers are printed on the unit rating plate, located near the controls used to operate the units, and in the instruction manual.

 

LCOR-36TRB-IPI
RCOR-36TRB-IPI
GDCL4136I
GDCR4136I

 See the full details at CPSC

Cooper Lighting Recalls Fluorescent Lighting Fixtures

RecallDescription

This recall involves indoor 2-light fluorescent light fixtures that range in size from 18 inches to 4 feet long. The fixtures were sold in white and can be mounted from heights between 8 and 12 feet. A date code between 182 11 (July 1, 2011) and 090 15 (March 31, 2015) is affixed to the fixture near the ballast in a DDD YY format. Catalogue and model numbers are located on the second line of a label affixed to the inside of the fixture. Catalogue and model numbers included in the recall: DLE217RLP, DLE217RLPB, DLE 232RLP, DLE232RLPB, SL232R, SL232R/1, SL232RPC, SL232RTP, SLNR232R, SLNR232R/1, SLNR232RCHR, SLW232R, SLW232R/1, SNF115R, SNF117R, SNF125R, SNF217R, SSF217R, WP217R, WP217RNKLLU, WP232R, WP232RLU, WP232RNKL, WP232RNKLLU and WP232RNKLRL.

 

Click here for full details from CPSC.

Code or standard?

What's the difference between a code and a standard?
Michael Heinsdorf, PE, LEED AP, CDT, ARCOM
07/01/2015

Almost every consulting engineer works with codes and standards on a daily basis, but do you know the difference between a code and a standard?

According to the National Institute of Standards and Technology (NIST) Circular No. A-119, Revised, a standard is "[t]he definition of terms; classification of components; delineation of procedures; specification of dimensions, materials, performance, designs, or operations; measurement of quality and quantity in describing materials, processes, products, systems, services, or practices; test methods and sampling procedures; or descriptions of fit and measurements of size or strength." In plain English, a standard consists of technical definitions, procedures, and/or guidelines that specify minimum requirements or instructions for manufacturers, installers, and users of equipment. This can be done by specifying either the methods or the results; the latter is known as "performance specifying." Most importantly, a standard provides standardization or agreement within the industry, which translates to a common reference among engineers, manufacturers, and bidders.

 

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White Paper: Revisiting Flammable Refrigerants

Introduction
Since the 1989 Montreal Protocol and its successor agreements, the world of
refrigerants has been marked by change. In the search for more environmentally-
preferable refrigerants, technology has moved from chlorofluorocarbons
to a host of alternative substances. Many of these substances are serving as
interim measures, until the phase-out of ozone-depleting and global-warming
refrigerants meets the targets set by the U.S. Clean Air Act. The journey toward
compliance has caused the HVAC equipment and appliance industries to revisit the
potential use of substances that have good environmental and thermodynamic
properties as refrigerants, but which are also, unfortunately, flammable.

Introduction

Since the 1989 Montreal Protocol and its successor agreements, the world of refrigerants has been marked by change. In the search for more environmentally-preferable refrigerants, technology has moved from chlorofluorocarbons to a host of alternative substances. Many of these substances are serving as interim measures, until the phase-out of ozone-depleting and global-warming refrigerants meets the targets set by the U.S. Clean Air Act. The journey toward compliance has caused the HVAC equipment and appliance industries to revisit the potential use of substances that have good environmental and thermodynamic properties as refrigerants, but which are also, unfortunately, flammable.

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Cree Recalls LED T8 Lamps

Description

This recall involves Cree LED T8 lamps used indoors to replace traditional two pin T8 fluorescent tubes. The white lamps have a cylindrical shape and measure 48 inches long. The affected units are marked as “BT848 Series Lamp” with the product part number on the lamp itself or printed on a white label affixed to the lamp. A four digit date code is printed on the lamp under a statement that reads “Compatible with Instant Start, Rapid Start and Dimmable Electronic Ballasts.”

 

Read the details at CPSC

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