202.06 Flashcards
When may it be necessary to establish a roof sector remote from the fire involved roof to keep an eye on roof conditions?
When an imminent collapse may occur
How/why should ladder apparatus be strategically placed?
•To allow safe access from the roof
•emergency exit from roof
•rescue
•effective defensive operations if needed
Where must the company officer be if his crew is on the roof?
On the roof with the crew
What must be considered before committing personnel above the fire?
The degree/extent of any signs of weakness to the structure
No firefighter shall operate on or under what?
Bowstring roofs if there is any evidence that the fire has penetrated the attic space involving the trusses/roof structure in any way
Ladder companies will not operate on what kind of metal roofs?
Pitched
What kind of ventilation will be required for a single single-family/duplex structure fire covered with concrete or clay roof tiles?
Horizontal or PPV
What is the danger of operating on a structure with photovoltaic roof tiles?
Electrical hazards and surface hazards that are not conductive to firefighting activities
What is the most efficient form of ventilation if applicable?
Vertical ventilation directly over the fire compartment
Vertical ventilation initially relieves what?
Built up heat/smoke
Vertical ventilation without ineffective fire attack can lead to what?
Temporary improvement. That occurs but may be followed by rapid deterioration of conditions if hose line operation does not commence on the fire
Vertical ventilation is best executed when what?
Sequenced simultaneous to and/or immediately following and effective fire attack
Who’s responsibility? Is it to get water on the fire as quickly as possible and communicate when water is being flowed and adequate knockdown has begun
Fire attack companies
Whose responsibility is it to ensure that water is being floated onto the fire and ventilation is needed?
Ladder companies responsible for ventilating
What are the objectives of roof sector when engaging in vertical ventilation operations?
• monitor radio at all times
• determine safe working surface
• confirm need for vertical vent
• coordinate with interior
• complete ventilation cuts
• consider/coordinate roof fire control ops
• provide progress report to command
Once a standard size ventilation hole is cut and cleared. What must the crew do?
Move away from that area
If more ventilation is needed after a hole has already been cut and cleared. What should roof sector do?
Cut additional holes safe distance away
Crew must move from the first hole cut towards where with each consecutive ventilation hole
Towards safer area with each consecutive hole
What are critical factors in consideration of additional vent holes?
• time
• roof, structural integrity
• overall effectiveness
Vertical ventilation on a commercial building may not provide what?
Effective ventilation in the same manner as on residential
Roof sector should not consider vertically venting what kind of fires?
Attic fires
What should the communication after a vertical ventilation hole is cut include?
• fire/smoke conditions in the attic through the vent hole
• any change in a roof conditions and or structural stability
