High Rise Office Bldg Flashcards
What temperature rating should fusible links have above there max temp normally encountered in the system?
50 degrees
How do you place HVAC systems in non circulating mode?
Open all outside air supply dampers
Closing all mixing dampers
Open all exhaust dampers
In a HR office fire can fire spread in the plenum from one floor to another through what?
Flexible connectors
What floor would high pressure pumping come into play?
31 floor. 31-40= need 300 psi
Starts 1-10 = 150 add 50 every ten floors
When using high pressure hose how far away should the safety zone be? And also around the rig?
50 ft
Can you use regular fitting when using high pressure hose?
No white high pressure fittings
When using high pressure pumping where are the supply lines connected on the engine?
On the opposite side of the control panel
When shall a 10-76 be transmitted?
When a report of a fire in a high rise office bldg is confirmed
At a high rise office bldg when would you give a second alarm?
Visible fire OR smoke emanating through the exterior skin of the bldg. Or when a serious fire is confirmed
At a HR office fire where does the Cfr engine report to?
And what do they bring with them?
Report to the fire sector supervisor.
They bring with them all crfd equipment and a set of FE tools
At a HR office fire where is the 3 ladder company going to operate?
The floor above the fire
At a HR fire where is the 4th ladder company assigned?
They operate on the roof than top 5 floors and to initiate the search of the attack stairs
At a HR office bldg fire where is the fast truck assigned to?
Fire sector supervisor
What is considered the fire sector
Fire floor and floor above
At a HR office bldg what is the preferable stair to use as evacuation stair?
Stair with fire tower
At HR office bldg fires which stair is most important to search?
Attack stair
At a HR office bldg fire initially which floors need to be evacuated?
Fire floor and floor above
At a HR office bldg fire can the second line be used on the floor above ?
No Used on the fire floor to help first line
Is ventilation by windows at a HR office bldg fire a initial consideration ?
No
When conditions permit where is the fire sector chief located?
One floor below the fire
When units are assigned to a branch ( fire sector, SAE etc) they should communicate with who?
There sector supervisor unless you have an urgent message than directly to IC
When an engine CO is sent to the forward staging area they shall bring what with them?
A SCBA for each member
Standpipe kit and nozzle
A length of hose for each firefighter
A spare SCBA for each member
What should a ladder CO bring with them when reporting to a forward staging area?
A SCBA for each member
2 sets of FE tools and 6 foot hooks
Search and utility ropes
A spare SCBA for each member
Can we use Positive Pressure fans in fixed pressurization stairs?
No
But we can if there not working or don’t have pressurized stairs
When at a HR office fire would we use natural ventilation? Opening the doors at top and bottom of stairs?
When the fire is extinguished
When a unit is assigned to Search and Evacuation group what shall they bring with them?
A spare SCBA for each member
At a HI rise fire where would you expect to find the search and evacuation group?
A floor not served by an elevator serving the fire floor and at least five floors above the fire
You are the fourth ladder co assigned to a hi rise fire you are going to be assigned to the SAE group you would no to be operating on what radio Channel ?
Initially primary tactical than AFTER establishment of SAE group operate on secondary tactical
What is the order at a hi rise fire to operate the fire pumps?
K C start the lever
Knife switch. Circuit breaker. Start button. Lever the speed.
At a hi rise office bldg fire what is the order of preference for the strategic operating plan?
determine the fire floor Verify the fire floor Evacuation simultaneously or as soon as possible Gain Control of bldg systems Confine and extinguish fire
If your engine company is assigned to be lobby control unit or systems control unit who would you report into other than IC ?
Logistics section chief
What is the primary function of the lobby control unit?
Recall control and operate elevators recall and search all elevators terminating at the lobby
What’s the primary function of the systems control unit?
Control all class E communication system and HVAC and any other system the IC directs
Who is responsible to set up the Incident command post at a high rise office bldg fire?
The first officer to arrive
At high rise office bldg can we start the fire pumps without first checking the bypass valve?
Yes it is permissible
When opening a bypass valve at a fire pump in a hi rids office bldg which way do we turn clockwise or counterclockwise ?
Counterclockwise to open
At a fire in a high rise office bldg the bldg fire director should be told to go where and await the chief to arrive?
The lobby to assist the IC
Stack effect increases with bldg height and becomes noticeable in bldgs over ____ tall?
60 ft
The possibility of NEGATIVE stack effect is greatest when temperature outside is above _____ degrees?
90 degrees
The 1968 code for fire pumps requires a manual fire pump be installed in bldgs over how many ft.
300 ft
In high rise office bldg the 1938 code requires manual fire pumps to be installed when a bldg is how many ft. High?
250
Bypass valves at fire pumps should be in what position open or closed?
Closed position
Is there a phone at manual fire pumps that can communicate to IC post?
Yes
What pressure should manual fire pumps be to deliver to the highest floor?
50 psi
