BK 83 Fire Investigation Manual Flashcards
Who has the authority to investigate all fire is occurring within the city of Los Angeles?
LAFD
What bureaus of the LAFD have the responsibility to investigate fires?
Bureau of emergency services BES
Bureau of fire prevention FPB
Who in the ICS structure has the ultimate responsibility to determine the cause of all fires?
The incident commander
BES has the follow up investigation responsibility of fires where the total loss is less than what amount?
$25,000
The fire investigation manual is designed to assist incident commanders in what disciplines?
Determining fire cause and point of origin, incident indicators, how to conduct the investigation, identification and preservation of evidence, motives of the fire setter, Documentation needed for reports and records, preparation for testifying as an expert witness, arson laws, terminology used in the fire service
What is the purpose of fire cause determination?
Establish our fire started and motive
What are, by definition, combustible liquids?
Liquids having a flash point at or above 100°F
What are, by definition, flammable liquids
Liquids having a flash point below 100°F
What is classified as a class A fire?
Fire’s involving ordinary combustible fuels
What is classified as a class B fire?
Fires involving liquid fuels
What is classified as a class C fire?
Fires involving energized electrical equipment
What is classified as a class D fire?
Fires involving combustible metals
What three phases can most fires be divided into?
Growth stage, fully developed stage, Decay stage
What is the main contributing factor for a Backdraft?
Induction of air into building heavily charged with smoke from a fire which has depleted the oxygen content of a building
What is the main contributing factor for a flash over?
Build up of heat
Douglas for Byrne’s at what rate?
1 inch in 40-45 minutes
Hardwoods burn at what rate?
3/4 inch in 40 to 45 minutes
Ballast transformers have a life expectancy of what?
15 years
The average vehicle contains over how many pounds of plastic?
Over 300 pounds (approximately 13%)
A properly operating catalytic converter can reach internal temperatures of what?
1600°F
An improperly operating catalytic converter can reach internal temperatures of what?
2500°F
What types of losses are measured for estimating the loss for Field incident reports?
Only direct losses
The Field incident report F-902 is a public document and is available to the general public how many days after the incident?
Approximately 5 working days after the incident
Who serves as the custodian for records for the fire department for the purposes of handling public request for FD records and has the responsibility to make certain records available to the public?
Arson investigation section of
Arson/counter-terrorism section ACTS
