Chapter 12 Flashcards

1
Q

Model building codes define a high-rise building as being more than?

A

75 ‘ in height.

MORE THAN

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2
Q

High rise:

In reinforced concrete construction, the floors will be?

A

Concrete slab

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3
Q

High rise:

And steel frame buildings, the floors will be?

A

Light weight structural concrete placed over corrugated steel

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4
Q

High rise:

Typically, model building codes require_____fire resistance for the structural frame of a high-rise building, depending on the number of stories and occupancy

A

Two or three hours. And two hour fire resistance for floor construction

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5
Q

Fire protection features required for modern high-rise buildings:

A

Standpipes. Automatic sprinklers. Fire alarm systems. Smoke control systems. Fire command center/central control station.

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6
Q

A crucial aspect of fire protection in high-rise buildings

A

Standpipes

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7
Q

In buildings up to_or_stories, it might be possible to advance hose lines manually up stairwells

A

Nine or 10

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8
Q

One unavoidable problem with stand pipe systems is the variation of pressure in tandem with building height:

A

Hydrostatic pressure

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9
Q

NFPA___, mandates the use of pressure reducing valve that can be set according to the jurisdictions needs

A

14, Standard for the installation of stand pipe and hose systems

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10
Q

Valve installed at stampede connection that is designed to reduce the amount of water pressure at that discharge to a specific pressure usually___ PSI

A

100 psi

Pressure reducing valve

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11
Q

Smoke control systems:

All model building codes require smoke prove exit enclosures and all stairs serving floors?

A

75 feet or higher

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12
Q

High rise:

Many high-rise buildings, especially office buildings and hotels, are designed with a___floor plan

A

Central core

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13
Q

The___construction of high-rise buildings provides a certain degree of inherent compartmentalization and barriers to the vertical extension of fire and smoke

A

Fire resistive

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14
Q

Horizontal fire extension in a high-rise building depends on the?

A

Partitions that subdivide a floor

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15
Q

The elevator code requires a____where the elevator hoistway or elevator room is protected by automatic sprinklers

A

Shunt trip

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16
Q

This arrangement will shut down the power to the elevator before a sprinkler discharges water on the elevator equipment

A

Shunt trip

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17
Q

A circuit breaker used as a safety device in an elevator system. When electrical current service the device disconnect the power source

A

Shunt trip

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18
Q

___Must be followed for elevator use during an emergency

A

SOP’s/SOG’s

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19
Q

Only consider using elevators if the fire is?

A

Above the fifth floor

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20
Q

Never take an elevator?

A

Below ground level

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21
Q

Emergency operating mode for elevators

A

Phase 1 operation

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22
Q

Recalls the car to the terminal floor lobby or another floor as specified and opens the doors

A

Phase 1 operation

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23
Q

Toads contain mandatory provisions for the recall, there is one operational, of all passenger elevators with vertical travel?

A

Greater than 25 feet

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24
Q

Phase 1 operation can be triggered by the following:

A

Activation of automatic smoke detectors.
Activation of automatic sprinkler water flow alarms.
Activation of manual keyed to switch in the terminal floor lobby.

25
The requirement for a recall does not apply to___elevators
Freight elevators
26
In this phase, operationAutomatically stops all the cars that serve the farm floor if they are moving away from their terminal floor, the lobby.
Phase 1
27
This phase causes the cars to return nonstop to the lobby or other designated level if the alarm originated from the lobby
Phase 1
28
This elevator phase opens the car doors and keep them open when the car reaches the recall floor
Phase 1
29
This elevator phase operation is designed to prevent the deaths of civilians Who may find themselves in an elevator that is called to the fire floor.
Phase 1
30
Allows emergency use of the elevator with certain safeguards and special functions
Phase 2
31
Design to override the recall feature to permit firefighters to use the elevators after they arrive on scene
Phase 2
32
During this phase, and elevator becomes essentially a manually operated elevator
Phase 2
33
In this phase the doors do not open automatically in the operator must push the door open button in the car
Phase 2
34
Emergency stop button is in operable in this phase?
Phase 1
35
Typically to activate this phase operation, a firefighter must insert a key in a three position switch with in a car
Phase 2. “Fire service “
36
Probably the greatest single challenging in controlling fires in underground buildings comes from the difficulty in?
Venting heat and smoke
37
Smoke proof and closures are now required for buildings with levels more than___feet below the level of exit discharge
30. MORE THAN!
38
Underground buildings: The maximum available fire resistant protection is typically__hours; therefore, fires exceeding this are a serious threat
4hrs
39
Pre-incident planning of these areas is essential for affective apparatus placement
Below grade spaces
40
Membrane structures: Two types
Air supported and air inflated
41
A covered space with a fully open floor plan. These membrane Dom’s may be used for seasonal pop-up shops or a temporary structures use for weather protection while constructing a building inside the membrane structure
Air inflated structure
42
Membrane structure that uses air pressure to develop its initial shape, but may not use the air pressure throughout the entire, high profile, occupancy
Air inflated structure
43
Membrane structure that is fully or partially held up by Interior air pressure
Air supported structure
44
Freestanding structure that uses suspension cables for support.
Cable membrane structure. Also known as cable covered structure
45
The structural supports of this type of construction resemble the organization found in a suspension bridge
Cable membrane structures
46
These feature a rigid frame with a tension and membrane covering, usually with internal columns
Frame membrane structures
47
Structure supported primarily by a frame or skeleton rather than by loadbearing walls
Frame membrane structure
48
Detention and correctional facilities: This fire protection feature specifically addresses the concept of shelter in place
Automatic sprinklers
49
Low profile sprinkler system and pendant used with concealed piping and correctional facilities and institutions were tampering of the system must be discouraged or prevented
Institutional sprinklers
50
Defined as an event that produces a rapid release of energy? this sudden release of energy produces outward pressures often referred to as?
Explosion Blast waves
51
No chemical reaction occurs in these explosions
Boiler explosion
52
Structural damage from an explosion can be mitigated through?
Containment or venting the forces
53
The maximum pressure reach during explosion may exceed?
10 times the atmospheric pressure
54
Ideally, explosion vent panels should not weigh?
MORE THAN 3 pounds per square foot
55
Types of explosion events include:
Louvered openings. Hangar type doors. Wall panels. Windows. Roof vents.
56
Rack storage: Usually arranged?
Back to back. Double row racks
57
Rack storage: Where houses may have multiple rows of racks wider than? Or with isles and narrower than?
Wider than 12 Narrower than 3.5’
58
Storage racks can range from a total height of____to an excess of____
Total height of 12 feet. To an excess of 100 feet
59
Storage rack unique fire protection problems:
High density of storage(high fire load) Narrow aisles Vertical fire spread through the rack spaces