TB 35 - Overhaul Procedures Flashcards
(42 cards)
Excessive over haul with what 2 things can damage evidence, complicating the ability for insurance companies to conduct investigations?
Hand tools and water
Without compromising the elimination of rekindle and as much as practical, minimal removal of what 2 things is desired?
Burned contents and building components
What are the 6 main objectives of overhaul?
To ensure fire is out and not subject to rekindle
Building or areas being overhauled are safe for occupancy if released to owner
Determine most probable cause of fire
Minimize further damage to building
To leave insurance adjusters means to determine the fire loss
To provide security for the premises before leaving the scene
What are the 2 best lines of defense against any dangerous form of gases, vapors and particulates?
Time and shielding
The environment directly following a fire incident should be considered a what and treated as a hazardous environment?
IDLH
Studies have shown that what 2 things greatly reduces the level of exposure to a hazardous environment?
Time and proper ventilation
Although what contributes to an IDLH, the measurement alone is not a good indicator of other chemicals present?
Carbon monoxide (CO)
Although mechanical ventilation assists with improving the environment post knockdown, what has a more significant effect on improving a safer atmosphere?
Time
Consideration should be given to shut down blowers after visible smoke has been ventilated allowing particulates to settle for what amount of time prior to re-entry for overhaul?
Considerable amount of time
What should be used to monitor the atmosphere for selecting the proper PPE as well as the completion of exposure reporting?
Gas meters
Firefighting gear provides protection from products of combustion in what 2 forms?
Respiratory protection (SCBA) Skin absorption (turn outs)
The NFPA states (NFPA 1404, Chapter 4) that the use of what by firefighters shall always be assumed to be in an atmosphere IDLH?
SCBA
Many toxins present themselves in the form of what?
Gases and vapors
LAFD issued turnouts have what to provide us shielding?
Moisture and vapor barriers
Although the what does not have a vapor barrier, it should be worn to minimize exposure from toxins and vapors?
Firefighting hood
Additional exposure to toxins and vapors can be eliminated or reduced by what?
Proper maintenance of turn outs
Who shall survey the premises after knockdown with the purpose of determine the cause of the fire and developing an overhaul plan?
IC
If the IC requests what unit, all members shall leave hose lines in place and preserve the scene until investigation is complete?
Arson unit
If the arson unit decides that insurance companies should investigate the scene, what shall be considered and implemented if necessary?
Fire watch
The IC will declare the overhaul plan to who and delegate responsibility accordingly?
On-scene officers
Companies not participating in overhaul shall be released back to who?
MFC
For complete over haul, members shall use traditional methods to meet the objectives of overhaul while considering what?
Time, shielding, and spoliation
For complete overhaul, who declares appropriate PPE when entering the building during overhaul?
Officer in charge
For complete overhaul, minimal PPE shall be considered when the building has been well ventilated for how long?
1 hour