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CCAI October 21-24

Fire Investigation Training Seminar

 

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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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From the Danish Journal of Archaeology

Abstract

During excavations of the Viking-age ring fortress Borgring, Denmark, traces of a devastating fire was uncovered. The National Forensic Services of the Danish Police were invited to participate in a novel collaboration, applying contemporary forensic fire investigation to an archaeological site. This paper presents the results and sets a benchmark for future applications. The investigation leads to a revised reconstruction of the fortress and the development of the fire. The application of fire investigation methods, following the Daubert standard criteria, enhance the documentation and analysis of archaeological sites, while archaeological methods show significant potential at modern fire scenes.

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BY VYTO BABRAUSKAS

SHOCK, INJURY, OR DEATH {ELECTROCUTION) from the passage of electric current through a human body has been studied for more than a century. The level of response or injury depends on the magnitude of the current and also on the frequency, whether it is direct current (DC), power line alternating current (AC), or AC voltages of higher frequency. Some typical values are shown in Table 1.1 Children are generally more sensitive than adults; thus, guidelines often assume that a child is the person to be protected. With firefighting, however, this assumption is not reasonable. Furthermore, protection against a startle reaction is the most severe level of protection. A startle reaction is described as one in which a person jumps because of a small shock that does not injure the person. No direct electrical injury occurs because of startling; there is some hazard caused by jumping, but it is remote.

The "inability to let go" of an energized conductor that has been accidentally grabbed can cause pain and injury if the current increases to an injurious level. This is also called "muscle tetanization." Thus. Many safety requirements are based on a safety-factor-reduced value of the let-go current, even though this is quite a conservative stance. Matters are further complicated. Since individuals show variation in their responses and standards, bodies typically pick a very conservative level (often the 0.5 percentile) instead of the 50-percentile value. Physiological effects of electric current, furthermore, depend strongly on frequency. The most dangerous frequencies are the 50- or 60-Herz (Hz) power line frequencies. The human body becomes less sensitive to electric current at high frequencies.2 Dalziel3 has published a useful summary of safety guidance on electric shock.

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# Article Title
1 October 2024 Training Seminar
2 Fire Investigator Academy 2024
3 ‘The Coldest Case of All’ – Fire Investigation at the Viking Age Ring Fortress of Borgring, Denmark
4 Water Streams, Power Lines, and Shock: How Serious a Hazard?
5 Metallurgical Analysis as a Useful Method for Fire Investigation: the Case of Galvanized Steel Sheets
6 Lessons from the Electric Vehicle Crashworthiness Leading to Battery Fire
7 Fireworks in California
8 Effects of High Resistance on Electrical Receptacles
9 A Study of Wildland Fire Direction Indicator Reliability Following Two Experimental Fires
10 Home Candle Fires
11 Experimental Study of the Effects of Fuel Type, Fuel Distribution, and Vent Size on Full-Scale Underventilated Compartment Fires in an ISO 9705 Room
12 Flashover Fires in Small Residential Units with an Open Kitchen
13 Measurements of Heat and Combustion Products in Reduced-Scale Ventilation-Limited Compartment Fires
14 Protection Against Ignitions Arising Out of Static, Lightning and Stray Currents.
15 Alaska Airlines Passenger's Phone Catches Fire Mid-Flight
16 Disclaimer
17 Toshiba issues big recall for laptop batteries over fire fears
18 Fuel Delivery Line Corrosion may Cause Fuel Leak
19 "Burn to Learn"
20 Hoverboards Put On No-Fly List, As Airlines Cite Fire Concerns
21 Limoss Recalls Battery Power Packs for Power Recliners and Lift Chairs
22 Horizon Hobby Recalls E-flite Chargers
23 Nestlé Waters North America Recalls Water Dispensers
24 lorne
25 GM Threatened With Regulatory Investigation Before Issuing Recall For Fire-Prone Hummers
26 Hearth & Home Technologies Recalls Gas Fireplaces
27 Cooper Lighting Recalls Fluorescent Lighting Fixtures
28 Code or standard?
29 White Paper: Revisiting Flammable Refrigerants
30 Cree Recalls LED T8 Lamps
31 IAAI - ITC 2015
32 Superior Court of Arizona Maricopa County - Under Advisement Ruling
33 CoScentrix Expands Recall of DD Brand Candles; Exclusively at Hobby Lobby
34 NHTSA Recall - Sub-Woofer Electrical Short
35 NHTSA Recall - Exhaust Pipe Leak may Result in Fire
36 Development of Standardized Cooking Fires For Evaluation of Prevention Technologies
37 NHTSA Recall - Cooling Fan Resistor May Melt
38 Fire Investigation 101
39 Wind Driven Fires
40 NBC News - Trial by Fire
41 Spoliation of Evidence: A Fire Scene Dilemma
42 Recalls
43 Back to Basics: The Fire Tetrahedron
44 White Paper-NHTSA
45 Wildfire Origin and Cause Investigation
46 Zero-clearance fireplaces a main source of fires
47 USDC Pennsylvania Permits Vaporizer Fire Case to Proceed to Trial
48 The Six Motives for Firesetting
49 BRP Recalls Ski-Doo and Can-Am Lithium-ion Rechargeable Batteries and Heated Gloves Due to Fire Haza
50 Genie Recalls Garage Door Openers Due to Fire Hazard
 
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