MOD C BASIC FIRE
OPERATIONS
3 main factors that cause a fire - ANSWERS--Fuel that ignites
-Form and source of the heat of ignition
-Act or omission that helped bring the fuel and form/ source of heat of
ignition together
Responsibilities of FF in relation to origin and cause - ANSWERS--
Identify and preserve possible evidence
-Recall and report objective findings
Observations the FF should make while responding and working on a
fire scene - ANSWERS--Time of day
-Weather
-People leaving the scene
-Extent of fire
-Fire growth
Techniques to preserve fire cause evidence - ANSWERS--Evidence
spotted should be left alone
-Notify fire officer or investigator
-Cover it with salvage cover
,Duties of fire watch - ANSWERS--Premises must be secured and
guarded by fire department until investigator authorizes release
-Bar access to premises during firefighting operations and for a
reasonable time after suppression
Legal Consideration at the fire scene - ANSWERS--If there is
incendiary evidence, one person should guard it until an investigator
arrives
-Fire Dept. should have SOP covering investigation phase
-Michigan vs Tyler: Once FFs have left the premises, a warrant is
required to reenter
-FF are NOT capable of collecting, preserving, and analyzing
evidence.
When does a FF responsibility for gathering information begin when
notified of a fire - ANSWERS-During response
Trailer - ANSWERS-Combustible materials that are used to spread
fire from one point to another.
Begin searching for the origin of the fire begins from - ANSWERS-
The area of least damage
Types of sprinkler systems - ANSWERS-• WETPIPE
• DRYPIPE
• PRE-ACTION
, • DELUGE
• RESIDENTIAL
Location and appearance of sprinkler system valves - ANSWERS--
Main control valves located under the sprinkler system alarm valve
-Outside screw and Yoke (OS&Y) has threaded portion of stem
visible when open
-Post indicator Valve (PIV) is a hollow metal post that house the valve
stem (reads either OPEN or SHUT)
Dangers of closing main control valve prematurely - ANSWERS--
Possible rekindle
-Dramatic increase in intensity of fire
Fire Department Connection (FDC) - ANSWERS--Located outside
the building
-Consists of a siamese with at least two 2. 1/2in female connections
How sprinkler heads activates - ANSWERS--Fusible link: heat
responsive element that will melt at a specific temperature
-Frangible Bulb: Glass tube filled designed to break when air bubble
expands from heat exposure
-Chemical Pellet: operates using a plunger type activation
How to stop a sprinkler system - ANSWERS--Main control valve
-Close OS&Y until stem is flush with wheel
OPERATIONS
3 main factors that cause a fire - ANSWERS--Fuel that ignites
-Form and source of the heat of ignition
-Act or omission that helped bring the fuel and form/ source of heat of
ignition together
Responsibilities of FF in relation to origin and cause - ANSWERS--
Identify and preserve possible evidence
-Recall and report objective findings
Observations the FF should make while responding and working on a
fire scene - ANSWERS--Time of day
-Weather
-People leaving the scene
-Extent of fire
-Fire growth
Techniques to preserve fire cause evidence - ANSWERS--Evidence
spotted should be left alone
-Notify fire officer or investigator
-Cover it with salvage cover
,Duties of fire watch - ANSWERS--Premises must be secured and
guarded by fire department until investigator authorizes release
-Bar access to premises during firefighting operations and for a
reasonable time after suppression
Legal Consideration at the fire scene - ANSWERS--If there is
incendiary evidence, one person should guard it until an investigator
arrives
-Fire Dept. should have SOP covering investigation phase
-Michigan vs Tyler: Once FFs have left the premises, a warrant is
required to reenter
-FF are NOT capable of collecting, preserving, and analyzing
evidence.
When does a FF responsibility for gathering information begin when
notified of a fire - ANSWERS-During response
Trailer - ANSWERS-Combustible materials that are used to spread
fire from one point to another.
Begin searching for the origin of the fire begins from - ANSWERS-
The area of least damage
Types of sprinkler systems - ANSWERS-• WETPIPE
• DRYPIPE
• PRE-ACTION
, • DELUGE
• RESIDENTIAL
Location and appearance of sprinkler system valves - ANSWERS--
Main control valves located under the sprinkler system alarm valve
-Outside screw and Yoke (OS&Y) has threaded portion of stem
visible when open
-Post indicator Valve (PIV) is a hollow metal post that house the valve
stem (reads either OPEN or SHUT)
Dangers of closing main control valve prematurely - ANSWERS--
Possible rekindle
-Dramatic increase in intensity of fire
Fire Department Connection (FDC) - ANSWERS--Located outside
the building
-Consists of a siamese with at least two 2. 1/2in female connections
How sprinkler heads activates - ANSWERS--Fusible link: heat
responsive element that will melt at a specific temperature
-Frangible Bulb: Glass tube filled designed to break when air bubble
expands from heat exposure
-Chemical Pellet: operates using a plunger type activation
How to stop a sprinkler system - ANSWERS--Main control valve
-Close OS&Y until stem is flush with wheel
