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EOD Demonstration
by IAPS Admin - Saturday, January 9, 2010, 11:46 PM
 
EOD Demonstration

IAPS recently went to the Carson Hill Quarry, in Calaveras County, California to videotape a demonstration conducted by Joe Konefal, retired Supervising Arson & Bomb Investigator, and bomb technician for the California Department of Forestry and Fire Protection Office of the State Fire Marshal Office. Mr. Konefal now serves on the faculty of the International Academy of Public Safety (IAPS). This event was made possible, and also hosted by, the Calaveras County Sherriff’s Department, in conjunction with the Calaveras County Hazmat team and Bomb Squad.

The demonstration included low explosives in the form of different types of explosive powders, such as black powder, smokeless powder and improvised powders. He also detonated some high explosives, such as C-4, TNT and ANFO to demonstrate the three (3) effects of an explosion, blast pressure, fragmentation and incendiary thermal. Also demonstrated were the various causal effects of explosives such as:

The brisance effect different types of high explosives with different velocities will create. Dynamite, for instance, is a lower velocity explosive. It will create more of a heaving and pushing brisance as compared to higher velocity explosives, such as detonating cord. These will have more of a shattering brisance.

Mr. Konefal also built and detonated several different improvised explosive devices, or IEDs, which included PVC pipe IEDs, galvanized metal pipe IEDs and suitcase & briefcase IEDs. He also prepared three (3) vehicle-borne IEDs, or VBIEDs of gasoline and detonating cord to demonstrate the differences. One of the VBIEDs was composed of 55 pounds of ANFO. He used one VBIED to demonstrate a vehicle explosion with three (3) blast seats. One device was placed in the trunk; (1) one in the passenger compartment and one (1) in the engine compartment.

The IAPS crew brought a high-speed camera along for the two-day event and recorded several hours of raw material to be used for future productions for Fire & Rescue TV. Some of the footage will be, or has already been incorporated into some of our current content.