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LADWP Transformer Fire

LADWP Transformer Fire. 956 Seward St., Los Angeles California. Conducting The Investigation. Observe, document and evaluate all of the physical evidence available Obtain all available witness statements and observations Obtain all other relevant data (weather, alarm, etc.)

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LADWP Transformer Fire

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  1. LADWP Transformer Fire 956 Seward St., Los Angeles California

  2. Conducting The Investigation • Observe, document and evaluate all of the physical evidence available • Obtain all available witness statements and observations • Obtain all other relevant data (weather, alarm, etc.) • Determine the area of fire origin • Evaluate sources of ignition within the area of fire origin • Evaluate all possible scenarios and determine the most viable hypothesis that is consistent with the physical evidence, witness observations, relevant data

  3. Los Angeles Fire Department Investigation Report Date of Loss: December 17,2002 Time: 0014 Hrs Location: 956 Seward St., Los Angeles CA. Incident #: 0014 Cause: Undetermined Comments: Most Probable Cause: Transformer Fire/Boiling Oil Ignited Roof Material

  4. National Oceanic & Atmospheric Administration (NOAA) Data from USC campus, downtown Los Angeles *1.94” Rain from 1:00pm-6:00pm and .02” rain from 10:00pm-11:00p

  5. LADWP Transformer Fire Pre-fire Aerial View Skylights 956 Seward St., Los Angeles California

  6. LADWP Transformer Fire Post-fire Aerial View 956 Seward St., Los Angeles California

  7. LADWP Transformer Fire NORTH LADWP Transformer Bank Romaine St Seward St. Hudson Av. 956 Seward St., Los Angeles California

  8. LADWP Transformer Fire 2nd Floor Building Plan View Area of Fire Origin 956 Seward St., Los Angeles California

  9. LADWP Transformer Fire North side of the building (Looking East) LADWP Transformer Bank Containing 3 Transformers 956 Seward St., Los Angeles California

  10. (2 seconds after the explosion) Security Camera Security Camera (Looking Northeast) The surrounding apartments appear to be dark. The intense light from the N/E corner of the intersection remains. 956 Seward St., Los Angeles California

  11. An Electrical Failure in the Building Caused a Massive Arc-Fault in Transformer This hypotheses can be eliminated Possible Scenarios An Electrical Failure in the Building Caused a Massive Arc-Fault in Transformer? • No reported evidence of failure(s) in secondary transformers providing power to the building. • The transformer failed prior to any evidence of fire in the building. • There is no physical evidence to support this theory. Pole Pole Primary Transformer power Secondary transformers Provide building power

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