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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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Vehicle Fire Investigations – A Subro Perspective

Cozen O'Connor
Posted on May 24, 2017 by David D. Brisco

Vehicle Fire Investigations – A Subro PerspectiveEarlier this month ABC news aired a special on what was characterized as an unusually large number of BMW fires across the country while the vehicles were turned off for hours if not days. ABC reported that they investigated over 40 parked car fires across the country over a five year span. Since ABC reported that the incidents involved vehicles not subject to any recall, consumer groups have been pushing BMW for an explanation. BMW responded that they had not seen any pattern of product defect issues with these fires and were critical of ABC for what it referred to as “sensationalist” reporting about cars catching fire. A link to the story can be found here.

Regardless of where one stands on the issue, this reporting makes for an appropriate time to discuss vehicle fire investigations in general. While certainly our antennas should go up whenever we see a pattern or increase in fire incidents from a particular make or model vehicle, subro professionals should always be careful to not be presumptuous in any investigation of a vehicle fire. We must be mindful that the reasons for a vehicle fire vary. Potential non-incendiary causes include product defect, improper service, maintenance issues, and after-sale alterations to the vehicle. When receiving a subrogation case involving a vehicle fire, subro professionals should work quickly to get appropriate experts on scene to investigate the vehicle and surrounding area before the vehicle is moved and evidence is potentially altered. Often critical evidence from the cause of a vehicle fie can fall from the engine compartment into the fire debris below the vehicle. Moving the vehicle for later examination should only be done after this debris has been examined and preserved. Subro professionals should also work with the vehicle owner to get as much information as possible on the service history of the vehicle. Was there any major work performed on the vehicle, or merely routine oil changes? Did the insured routinely use only one service company, such as the dealership where the car was purchased (allowing for the argument that only one entity ever touched the engine compartment), or did the insured have the vehicle serviced by multiple service companies? Locating an exemplar vehicle for comparison during a joint evidence examination may be helpful to your experts. And certainly a review of the National Highway Traffic and Safety Administration’s recall website for vehicles should be examined, but a vehicle being on or off of this list should not be considered conclusive evidence that the fire was the result of a defect.

It is absolutely true that properly maintained vehicles should not suddenly burst into flames and justify a thorough investigation. Indeed the list of potential fire causing defects are car can have are significant, be it faulty ignition switch, faulty cruise control hexport, improperly designed or manufactured fuel line, or a myriad of other potential causes. In fact, in 2015 a record high of 51.2 million vehicles were recalled through 868 separate recall incidents. However, subro professionals should not get the cart before the horse and presume that a fire which started from the engine compartment will lead to a recovery.  As always, a thorough investigation should always be conducted.

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