Role of fire investigation officer
What do you ask an incident controller at the scene
Evidence of wilful causes of fire
Examples where carelessness may cause fire
Miss using electricity
Burning rubbish
Ironing
Smoking
Setting fireworks
Faults examples
Appliances
Broken powerlines
Gas pipes and fittings
Dust extractions
Fans and ventilation systems
Natural causes
Lightning
Static electricity
Sun-rays
Chemical reactions
Rodents eating wires
What the FILO and SFI discuss
Handover of the scene
Access to the fire scene
Process of examination and investigation
Identify and collect evidence at the fire scene
Powers under the fire service act 1975
How to link a suspect to an arson
Burn facial skin
Smell smoke
Residue of fuel
Products of combustion on skin
Possible suspects may include
Complete inquiries to establish the suspects
Specialist fire investigators attend and investigate
Injuries caused in fire scenes
Inhalation of toxic substances
Ingestion of particles
Injection from sharp objects
Airborne dust particles
Tripping over fire debris
What protective clothing should be worn at a scene
Suitable helmet
Pair of overalls
Nose and mouth filter, full face respirator or full BA
Gloves
Heavy duty footwear with steel soles and caps
People to be interviewed
Owner/occupier of the house
Last person secured the house
Person who found the fire
Person who gave alarm
Determining the seat of the fire
Witness reports
Wind direction and speed, weather
The state of the fire at the time
The direction of the spread
The colour of the flames and smoke
Steps you should follow with an exhibit at a fire scene
1) Photograph in situ, label exhibits and preserve them in containers
2) Use approved arson kits if available, if not use suitable containers
3) Take control Samples such as
- Charred timber and ashes from the seat of the fire
- any Accelerants found near the scene
- Soil from surrounding area
At the conclusion of the examination you will be able to determine
Point of origin
Areas of origin
The seat of the fire
Preliminary internal examination
Low stock levels in commercial premise
Building areas in need of repair
Signs of hardship
Missing family photos, furniture and personal items
Open filing cabinets or missing files
Detail external examination completed by SFI accompanied by Police
Damage to wall studs
Damage to roofing timber
Damage to windowsill
Spalling
Skirting board damage
External examination takes into account
Characteristics caused by explosions
Initial action – fire involving explosives
Stages of systematic examination of scene of fire