Chapter 7 Flashcards
FOUR GENERAL CLASSES OF FIRE CAUSES
Natural fire
Accident fire
Arson
Unknown fire
Fire cause naturally without human intervention or aid; such as lightning. spontaneous ignition, mechanical malfunctional of equipment.
- Natural Fire
Fire causes where human action is involved directly or indirectly
- Accidental Fire
Fire cause as a result of the wilful and criminal action of some persons.
- Arson
Fires which are not classified as to causes
- Unknown Fire
Three General Classification of Fire
- Innocent Fire
- Incendiary Fire
- Unknown Fire
Basic Steps in a Fire Scene Examination/Investigation:
Search systematically
Observe
Take Photograph
Work by the Process of Elimination
Check and Verify
Take Note
Draw Diagrams
Areas to Conduct Fire Investigation
Exterior
Interior
Debris
Furnishing
Determine where the fire vested first by comparing burn char, smoke, and heat patterns around windows, doors, and roof.
- Exterior
Conduct a cursory examination or general survey of the entire structure of interior for the extent of fire damages Establish y-the class of fire duration and the approximate burn time by checking the following:
Conduct a cursory examination or general survey of the entire structure of interior for the extent of fire damages Establish y-the class of fire duration and the approximate burn time by checking the following:
- Interior
Conduct a detailed search of the debris, examining it layer by layer until the floor is reached.
- Debris
Examine the damaged fumishing such as: upholstered furniture couches, chairs. beds, etc
Furnishings
Types of furnishing.
Upholstered furniture
Television sets and table radios,
Drapes and curtains
Kitchen range
Origin of the fire can also be traced through the so called
FIRE PATTERNS.
Arson Indicators:
Accelerance
igniters
burn indicators
-substances that promopte combustion.
Accelerants
-substances or devices used to start fires, such as match
Igniters
These are visible evidence of the effects of heating or partial burning. They Indicate various aspects of a fire or partial burning. They indicate various aspects of a fire such as rate of development, temperature, duration, time of occurrence, presence of flammable liquids and point of origin.
Burn Indicators:
regardless of sizes), should be completed without delay
Fire reports
The contents of the fire report may contain the following information
- Time of incident,
- Location of incident,
- Size and nature of fire,
- Fire involvement.
- Fire department plant response;
6 Injuries and fatalities:
- Time fire extinguished,
- Most Probable Cause,
- Follow-up and corrective action required
It is an in-depth investigation to determine more specific details of the cause and effects, and to establish necessary corrective action.
Technical Investigation
The direct result of the basic or technical investigation or it may be brought about from outside knowledge.
Arson Investigation
Is a crime against persons or property
The willful and maliciously burning of another’s property or the burning of one awn property with intent to injure or defraud the insurer of that property.
The buming of all kinds of buildings, structures, aircraft watercraft, crops, forest land and personal property.
ARSON
WHAT CONSTITUTE ARSON?
Burning
willfulness
Motive
Malice
Intent
