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Building Construction 4th Edition > Chapter 12 > Flashcards

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
Q

The requirement for a recall does not apply to___elevators

A

Freight elevators

26
Q

In this phase, operationAutomatically stops all the cars that serve the farm floor if they are moving away from their terminal floor, the lobby.

A

Phase 1

27
Q

This phase causes the cars to return nonstop to the lobby or other designated level if the alarm originated from the lobby

A

Phase 1

28
Q

This elevator phase opens the car doors and keep them open when the car reaches the recall floor

A

Phase 1

29
Q

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.

A

Phase 1

30
Q

Allows emergency use of the elevator with certain safeguards and special functions

A

Phase 2

31
Q

Design to override the recall feature to permit firefighters to use the elevators after they arrive on scene

A

Phase 2

32
Q

During this phase, and elevator becomes essentially a manually operated elevator

A

Phase 2

33
Q

In this phase the doors do not open automatically in the operator must push the door open button in the car

A

Phase 2

34
Q

Emergency stop button is in operable in this phase?

A

Phase 1

35
Q

Typically to activate this phase operation, a firefighter must insert a key in a three position switch with in a car

A

Phase 2. “Fire service “

36
Q

Probably the greatest single challenging in controlling fires in underground buildings comes from the difficulty in?

A

Venting heat and smoke

37
Q

Smoke proof and closures are now required for buildings with levels more than___feet below the level of exit discharge

A

MORE THAN!

38
Q

Underground buildings:

The maximum available fire resistant protection is typically__hours; therefore, fires exceeding this are a serious threat

A

4hrs

39
Q

Pre-incident planning of these areas is essential for affective apparatus placement

A

Below grade spaces

40
Q

Membrane structures:

Two types

A

Air supported and air inflated

41
Q

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

A

Air inflated structure

42
Q

Membrane structure that uses air pressure to develop its initial shape, but may not use the air pressure throughout the entire, high profile, occupancy

A

Air inflated structure

43
Q

Membrane structure that is fully or partially held up by Interior air pressure

A

Air supported structure

44
Q

Freestanding structure that uses suspension cables for support.

A

Cable membrane structure. Also known as cable covered structure

45
Q

The structural supports of this type of construction resemble the organization found in a suspension bridge

A

Cable membrane structures

46
Q

These feature a rigid frame with a tension and membrane covering, usually with internal columns

A

Frame membrane structures

47
Q

Structure supported primarily by a frame or skeleton rather than by loadbearing walls

A

Frame membrane structure

48
Q

Detention and correctional facilities:

This fire protection feature specifically addresses the concept of shelter in place

A

Automatic sprinklers

49
Q

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

A

Institutional sprinklers

50
Q

Defined as an event that produces a rapid release of energy?

this sudden release of energy produces outward pressures often referred to as?

A

Explosion

Blast waves

51
Q

No chemical reaction occurs in these explosions

A

Boiler explosion

52
Q

Structural damage from an explosion can be mitigated through?

A

Containment or venting the forces

53
Q

The maximum pressure reach during explosion may exceed?

A

10 times the atmospheric pressure

54
Q

Ideally, explosion vent panels should not weigh?

A

MORE THAN 3 pounds per square foot

55
Q

Types of explosion events include:

A

Louvered openings. Hangar type doors. Wall panels. Windows. Roof vents.

56
Q

Rack storage:

Usually arranged?

A

Back to back. Double row racks

57
Q

Rack storage:

Where houses may have multiple rows of racks wider than? Or with isles and narrower than?

A

Wider than 12

Narrower than 3.5’

58
Q

Storage racks can range from a total height of____to an excess of____

A

Total height of 12 feet. To an excess of 100 feet

59
Q

Storage rack unique fire protection problems:

A

High density of storage(high fire load)

Narrow aisles

Vertical fire spread through the rack spaces

Building Construction 4th Edition (12 decks)

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