High Rise Office Flashcards
Engine company reporting to the forward staging area at a 10-76 should bring with them what equipment ?
Scba for each member
Standpipe kit with nozzle
Length of hose per fireman
Spare cylinder for each member
Ladder company reporting to the forward staging area shall bring what equipment with them?
Scba for each member
Two sets of FE tools and 6’hooks
Search and utility ropes
A spare Scba cylinder for each member
Assignment of 1st and 2nd engine at a 10-76?
Teamed to stretch the 1st line
Third and fourth engine assignment at a 10-76?
Team up and stretch the 2nd line
Responsibility and equipment of CFRD engine at a 10-76?
Assigned to fire sector supervisor
Must bring CFRD equipment and forcible entry tools
A HVAC system is in non- circulating mode when…?
Opened all outside air supply dampers.
Closed all mixing dampers.
Opened all exhaust dampers.
Location of smoke detectors in HVAC system?
At air return shaft on each floor
Location of fire dampers in HVAC system?
Where the supply ducts meet the supply shaft and wherever the duct passes through a fire partition.
Same for return air shaft.
Contents of the high rise roof kit
6 SCBA with 1hr cyl 1 bolt cutter 2 halligans 2 axes 2 search ropes 1 hydra ram (Bags for tools)
The temperature the fusible link fails at In Fire dampers in HVAC systems
50 degrees above max temp in HVAC system
Third due ladder accesses the floor above from which stairway?
A stairway other than attack stair
Who selects attack stairway?
The first due ladder officer selects a stairway with a standpipe which will provide the best attack on the fire
Who determines which stairway will be used as the evacuation stair?
Third due ladder officer
The distance manual pull stations will be from each other?
No more than 200 ft
Transmission of a pull station will?
Transmit an alarm to FD.
Visual and audible signal at the fire command station, mechanical control center, assigned location of fire safety director.
Sounding of alarm on fire floor and floor above.
Activation of smoke detector at elevator landing will?
-recall the elevators
-sound alarm on fire floor and floor above
-send alarm to FD
- alarm to fire command station, mechanical control center, assigned location of FSD
-stop air supply into and return air from floor where activated.
- activate air exhaust fans and dampers in smoke shaft or the pressurizing fans in the stairwell
-unlock the doors on the fail safe system.
( activation in the HVAC system will do all of this except recall elevators)
The fire command station has two way communication with what areas?
Floor warden stations Mechanical control center Elevators Air handling control rooms Elevator machinery rooms
The public address system can transmit to..?
All floors, elevators, and stairways either selectively or collectively
How many units are to be maintained in the forward staging area?
At least three engines and two ladders
How many spare Scba cylinders are to be maintained in the forward staging area?
20
Who is responsible for the primary search of the attack stairs?
Third due truck.
The are responsible to remove all occupants from the attack stair for a reasonable distance above the fire floor
After reporting to the ICP, the fourth due truck will proceed to…?
The roof
A high-rise office building that had openable windows and a masonry exterior wall, and no plenum would most likely have been built when?
Prior to 1945
A high-rise office building which has ceiling plenums, exterior curtain walls and core construction would most likely have been built when?
After 1968
What is done with the HVAC system in a HROB when the fire floor has been adequately determined?
All HVAC zones that do not include the fire area shall have their supply fans activated
3.3.4
What happens in the HVAC system in a high-rise office building when a smoke detector within the system is activated?
The air supply and return air will be stopped on the affected floor. Either by shutting fans or by a reversible fire shutter
When operating a buildings fire pumps, what position should the bypass valve be in?
Closed position (stem in)
Can you operate a building’s fire pump if you can’t find the bypass valve to see if it’s closed?
What’s the loss for a
8” riser
6” riser
(With bypass open)
Yes
25%
45%
Procedure for starting a building’s fire pumps.
Close knife switch
Close circuit breaker
Push starting button
Move selector lever
In a HROB where there are two manual fire pumps connected in the parallel position (as is the case in most HROBs) which one should be operated?
They both shall be started and used. It is necessary to have them operate at or near the same pressures.
A building’s fire pumps shall be capable of delivering their rated capacity at a pressure of ___psi at the highest floor outlet
What is the systems relief valve set at?
50
15psi above rated capacity to top floor
If the second engine officer already ascends to the upper floors before the 1st battalion arrives, how does the post radio get to the 2nd engine officer?
The battalion gives it to the member operating the elevator, and he brings it to two floors below the fire.
Comm. man 12
For a HROB, What signal must be transmitted for visible fire or smoke emanating through the exterior skin upon arrival? Or when a serious fire has been verified?
A 10-76 second alarm
In a HROB, what signal is transmitted when a report of a fire in confirmed?
10-76
What HT channel does the fire sector supervisor or fire branch director operate on at a HROB fire?
Primary tactical
Aide on command
At a HROB, What HT channel does the SAE group supervisor operate on?
Secondary tactical.
Aide on command
At a HROB, who sets up the initial command post?
Who do they designate to staff ICP when they leave?
The first arriving officer
Preferably the 1st ladder chauffeur
Where should the SAE group be located?
A location which is not serviced by the same bank of elevators as the fire floor.
Must be at least 5 floors above the fire floor
Where should the forward staging area be located?
Two floors below original fire floor
If it’s not IDLH, has hardware communications with IC, access to attack stairs, adequate space to hold units
Where must the 4th due truck do a primary search at a HROB fire?
The top 5 floors
At a HROB, How long does the second due engine officer stay at the standpipe outlet?
He remains there until the first handline is operating at the correct nozzle pressure
After roof operations are completed, what would a logical assignment be for the fourth due ladder company at a HROB?
To operate on the upper floors of the elevator bank servicing the fire floor.
(Remain on roof area to monitor conditions until otherwise ordered by IC)
On a fire pump in a HROB, before you start it you must first locate the bypass valve to ensure it is closed. Where is it located, and what direction do you turn it to close it?
It will be on the discharge side of the pump. (You can tell discharge side by the higher pressures on gauges)
It is closed by turning it clockwise. (Should be in stem in position)
Can the SAE group at a HROB evacuate civilians via an elevator if it is in a smoke free blind shaft elevator?
Yes
Other evacuation should use the evacuation stairs
What things are kept at the fire command station that provide valuable information for units in the event of a building’s Emergency Action Plan being implemented ?
Building information card (BIC)
A list of special needs occupants and their location who need assistance in the event the EAP is implemented.
At a HROB who does the lobby control unit report in to?
Logistics section chief
If no LSC, report to IC
At a HROB, who is responsible for operation and control of the elevators?
The lobby control unit
Can the lobby control unit take on the duties of the systems control unit?
Yes if ordered by the IC
At a HROB, Who ensures the elevators that terminate at the lobby are recalled and searched?
The lobby control unit
At a HROB, who controls the access to all building access points and directs personnel and civilians to correct stairs?
The lobby control unit
Where is the lobby control unit leader positioned at a HROB fire?
What channel does he operate on?
Elevator lobby
Tactical channel
