Term
| High Rise Building defn and # of them in SF |
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Definition
| Contains a floor area located more than 75 feet above adjacent ground level. approx 800 in SF. |
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Term
| High Rise Classifications |
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Definition
| Existing High Rises-constructed before 1975. Life Safety High Rises-constructed after 1975. |
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Term
| Problems with high rise fires |
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Definition
| Height and size create time delays which mean more time to get to victims and more time for the fire to burn plus evacuation problems. |
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Term
| One of the most significant life hazard problems existing at the time of a fire in a high rise bldg |
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Definition
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Term
| Use of ICS in high rises.... |
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Definition
| allows for FD efforts to be organized, safe, and effective |
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Term
| High Rise Policy (usually requires the equivalent of a conventional 3rd or greater alarm to bring fire under control) |
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Definition
| 2 engines for initial attack to ensure hose lead. 2 more engines to back up or replace initial crews. Goal is to front load incident to bring sufficient resources. (You also get more BC's on HR 2nd alarm) |
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Term
| Pre-fire planning is very important and SFFD members should inspect HR buildings in their area ________ |
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Definition
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Term
Newer life safety HR have BCS and FCR
Older buildings may have console in the lobby with safety features |
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Definition
BCS=Building control station/central control station
FCR=Fire Control Room. |
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Term
| All existing High Rises usually contain 8 things |
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Definition
1. 2 means of exit from each floor (1 may be fire escape)
2. Keys to locked stairwell doors
3. Means of ventilation-operable windows, break-out windows, or mechanical ventilation
4. Elevator access to every floor (usually capable of recall & FF Emergency Operation)
5. Standpipe-class 1, 2, or 3
6. Approved fire warning system or voice system (voice req'd in bldg over 150 ft)
7. FD communication systme provided where a radio test showed Comm in bldg sucked
8. Building Operations Manual (BOM)may be in engineer's office or BCS |
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Term
| All Life Safety HR contain 8 components |
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Definition
1. Building Control Station
2. Standby power for emergency ops of life safety systems, essential lighting, and one elevator in each bank
3. FD communication system (usually red phones)
4. Emergency voice alarm signaling system
5. Combined standpipe system
6. Auto sprinkler system with backup water supply and fire pump
7. Auto smoke control system (usually part of HVAC)
8. Enclosed elevator lobbies |
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Term
| Every high rise must have how many means of egress |
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Definition
2, 1 may be fire escape
however, new HR required to have a minimum of 2 smoke-proof enclosures |
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Term
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Definition
| Do not have a fire rated separation from the building. Problematic in fires bc heated gases will seek highest level and advance to higher floors. |
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Term
| In newer bldgs, open stairways only permitted between how many adjacent floors? |
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Definition
| 2 (called access stairs or tenant or convenience stairs) |
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Term
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Definition
| Separated from the building by rated construction-usually 2 hours and are a FF best friend providing a safe haven |
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Term
| Stairway Identification Signage |
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Definition
12"x12"
Nomenclature (West, Stairway 1)
Whether or not the stairway has roof access
Top floor designation
Top and bottom terminus of the stairway |
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Term
| Smokeproof Stairway Enclosures details |
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Definition
| 4 types. pressurized to keep them free of smoke |
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Term
| Smokeproof Stairway Enclosure Type 1 |
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Definition
| has an outside open air balcony area on each floor located between the stairway and the building proper |
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Term
| Smokeproof Stairway Enclosure Type 2 |
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Definition
| has a vestibule area on each floor b/w stairway and bldg proper. the vestibule has an opening to the outside air at each floor level |
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Term
| Smokeproof Stairway Enclosure Type 3 |
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Definition
| vestibule area on each floor b/w building and stairway. vestibule has an opening at each level to a smoke venting shaft which opens to the outside air at the top of the bldg |
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Term
| Smokeproof Stairway Enclosure Type 3 Mechanical |
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Definition
| vestibule area on each level b/w bldg and stairway. Ventilation is obtained by means of HVAC system through air ducts. lower vent is for air supply, upper vent is for air exhaust |
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Term
| Locked stair doors can be unlocked how |
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Definition
1) In newer HR: switch at central control station
2) unlock when power fails
3) existing HR: keys from central control station or guards desk |
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Term
| Locked elevator lobby doors unlock upon.... |
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Definition
| activation of the fire alarm system or power failure. |
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Term
| locked elevator lobby doors are required to have a door releasing device within how many feet of the door |
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Definition
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Term
locked exterior doors...
Gaining access is a ________ for the lobby control unit leader |
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Definition
need a key or may need to access from interior on a higher floor.
PRIORITY |
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Term
| Hydraulic elevators travel ___ many floors or less |
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Definition
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Term
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Definition
| common, for bldgs of any height. |
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Term
| Microprocessor chips may be used in modern elevators. Radios should be used in these elevators. T/F |
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Definition
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Term
| Most elevator hoistway walls have a fire rating of __ hours while elevators open into ___ hour rated elevator lobbies with smoke protected doors |
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Definition
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Term
| Elevators in HR may be in banks to serve different floors |
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Definition
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Term
| FF may use elevators during a fire if.... |
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Definition
The IC says OK
There is no smoke, heat, or water in the elevator shaft or machine room. |
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Term
| FF may use a bank of elevators that penetrate the fire floor T/F |
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Definition
| True only if IC says OK 2.5 |
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Term
| elevator machine room has a smoke detector. It is monitored at the fire alarm annunciator panel by who |
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Definition
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Term
| Bldgs with sprinklers... if the heat detector in the elevator machine room activate while FF are using the elevator, power is shunted and the FF is trapped in the elevator |
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Definition
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Term
| If a smoke detector activates, exit the elevator.... |
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Definition
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Term
| no more than ___ equipped FF can be in an elevator at once. |
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Definition
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Term
| a member of lobby control will be assigned to operated and monitor the shaft of the elevator throughout the incident |
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Definition
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Term
| elevator operator shall be equipped with.... |
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Definition
Full PPE and SCBA
spare 1 hour bottle
h2o extinguisher
radio
forcible entry tool |
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Term
| always before going up in a HR elevator, the shaft should be check for smoke, fire or water and the car door operation test where? |
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Definition
In the lobby
On the next floor up
every five floors there after |
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Term
| Newer HR have backup generators so if power fails the elevator will go to..... |
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Definition
| ground floor, one floor at a time |
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Term
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Definition
will not respond to a call from a floor
door re-opening devices rendered inoperative
all car and corridor call buttoms are rendered in operative
emergency stop switch becomes inoperative (2.7) |
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Term
| Phase 1 elevator recall ops |
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Definition
| FF must use a key operated switch. To recall from the lobby, put key into key slot in lobby and turn to ON position |
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Term
Recall positions
OFF:
ON:
BYPASS: |
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Definition
OFF: elevators in normal operatoin
ON: recalls elevators to the recall floor
BYPASS: elevators in normal ops but the elevator lobby smoke detectors are off line |
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Term
| PHASE II Emergency Operation occurs after phase 1 how? |
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Definition
| Turn lobby key to ON position and remove key then put key in slot in elevator to ON position |
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Term
| Phase 2 operation features |
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Definition
1. elevator operates only by a person in the elevator
2. elevators shall not respond to elevator corridor calls
3. DOOR OPEN and DOOR CLOSE buttons only work with constant pressure
4. car will stay in emergency ops as long as key is still in ON position in car even after lobby ops are turned off
5. emergency stop switch is rendered inoperative |
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Term
| If FF presses door open then exits before the door is all the way open, the door will close and will not reopen . Elevator is lost and must be retrieved by who |
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Definition
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Term
| If a FF is stuck in an elevator and the car is more than 18 inches from the landing you must force open the locked access panel at the top of the car. FF to go onto te top of the car must engage the ....... |
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Definition
| stop switch to kill power to the car (2.9) trip the interlock on the next floor to exit |
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Term
| class 2 standpipes installed after 1983 were required to provide __ GPM at __PSI |
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Definition
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Term
| all life safety HR buildings are equipped with what type of standpipe system |
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Definition
COMBINED
Standard SFFD SOP is for dry hose leads to be made to the FDC immediately. charge at 150 psi upon permission of IC |
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Term
| standpipe pressures may be very high or very low T/F |
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Definition
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Term
| In new HR, topmost outlet must delvier what GPM/PSI |
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Definition
| 500gpm at 65psi. therefore, psi at lower floors may be very high |
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Term
| outlet pressures should not exceed 125 psi under flowing conditions and 150 static. to reduce pressure use... |
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Definition
Pressure reducing valves PRV's(post 1975)
Restricted Orifice Places ROP's(pre 1975) |
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Term
| if a PRV is not working correctly, what size hose should be used |
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Definition
| 2 1/2 with an inline pressure gauge (2.13) |
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Term
| ROP's are circular and placed into which fitting? Male or female |
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Definition
| Female (usually in house line) |
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Term
| ROP's reduce pressure by creating |
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Definition
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Term
| when removing house lines, look for |
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Definition
| ROP's. Pressure must be reduced by manipulating the standpipe outlet |
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Term
| if bldg fire pumps fail, the IC should consider engine companies pumping.... |
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Definition
| in tandem to assure adequate pressure to upper stories |
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Term
| When shutting down the sprinkler system in a building, you should shut the whole thing down. T/F |
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Definition
| False, only the section where the fire was after controlled |
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Term
| Try to replace sprinkler heads the the same type. If not available, contact who |
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Definition
| building owner. They will contact sprinkler contractor |
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Term
Preaction sprinkler used where?
Put back into service by who? |
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Definition
when damage from water would be a concern
Licensed contractor |
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Term
| If in a place with special extinguishing systems be sure to wear |
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Definition
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Term
| active factors affecting movement of smoke in a HR |
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Definition
thermal energy
stack effect
wind
HVAC
Smoke control systems (2.15) |
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Term
| passive factors affecting movement of smoke in a HR |
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Definition
building geometry
barriers
shafts |
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Term
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Definition
| stairs to roof: turn off stair pressurization fan, prop open door to fire floor and open door to roof. other stairs: leave fan on and prop open door to fire floor |
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Term
| HR windows require who in order to break |
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Definition
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Term
| types of windows to break in HR |
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Definition
| plate glass and tempered glass, try to break tempered |
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Term
| tempered glass is marked with a ____ disc located where |
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Definition
| red reflective disc. interior: 1-1/2" diameter within a 6" square in lower left-hand corner. exterior 3" installed below the lowest window in each vertical line of windows containing tempered glass |
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Term
| FF air rescue systems allow FF to refill air bottles every |
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Definition
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