Highrise/Midrise Flashcards

1
Q

Most high-rise building in Northern Virginia were built using

A

fire- resistive construction,

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2
Q

Modern high-rise buildings involve two basic designs

A

residential and commercial

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3
Q

_______ and ________ typically comprise buildings constructed prior to the 1976

A

Steel and concrete

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4
Q

high-rise building constructed after the 1976 code change will be of

A

fire-resistive construction

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5
Q

High rise buildings have a ____ standpipe system

A

Class 3

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6
Q

How many approved exits must be on each floor/

A

2

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7
Q

Multiple layers or thick gypsum and masonry walls typically enclose high-rise stairway, elevator, and other shafts. These will typically have a minimum

A

2-hr fire-resistance rating

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8
Q

High-rise buildings typically do not have an attic. However, as previously discussed, the top floor or penthouse often contains _________ and _________.

A

mechanical and elevator rooms

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9
Q

FYI

government facilities or mercantile establishments) are constructed with reinforced drywall, as shown in Figure 9. This material looks identical to regular drywall, but the drywall encases either a layer of wire mesh or a solid sheet of Lexan polycarbonate

A
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10
Q

In lightweight concrete failure occurs at 80%, of designed after __ min of fire exposure

studies have shown that thermal cracks appear within __-___ minutes of fire exposure

A

14-16 minutes

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11
Q

In high rises the presence of an outward opening door indicates an

A

electric or telephone room or another type of closet.

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12
Q

The security gate installed in the stairway at the lowest level, what does this denote?

A

last floor with an exterior entrance.

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13
Q

Pressure-reducing valves will limit pressure to a maximum of

A

175 psi

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14
Q

Electric traction typically controls elevators in high-rise structures. Control rooms reside at the ____ ___ ___ ____ ____

A

Top of the elevator shaft

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15
Q

If more than two floors above the fire still contain occupants, _______ and _______ branch should be established

A

search and evacuation

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16
Q

FYI

___________smoke rises upward from the fire floor until it reaches the roof or ceiling level. The smoke then banks off the roof or ceiling and migrates downward, back toward the fire floor.

A

Mushrooming

17
Q

FYI

Smoke will rise until the temperatures balance, at which point the smoke begins to settle, or stratify

A

Stack Effect

18
Q

fire to double in size every ____ seconds.

A

90 seconds

19
Q

effectively suppress a chute fire with an object lodged along the chute, personnel should

A

drop a heavy object from a level higher than the lodged object

20
Q

Buildings under construction must have a riser

A

two floors below the top-most finished floor.

21
Q

Exterior attack of upper floor fires will require deployment of

A

aerial master streams.

22
Q

Personnel can sometimes more efficiently bypass heavily secured doors by

A

breaching adjacent drywall- composed walls

23
Q

high-rise fires must consist of five basic actions

A

determine fire floor,
2. verify fire floor,
3. control occupants,
4. control building systems, and
5. confine and extinguish the fire.

24
Q

FYI

Personnel must still supply the standpipe system, even if the initial attack was made with handlines stretched directly from the apparatus.

Deploy hoseline directly from the engine to the vehicle fire. Command must be notified, and the FDC still supplied

A
25
Q

FYI
2nd due engine

A

Report to the fire floor to help the first engine place the first hoseline in service before
placing the second line in service

26
Q

FYI
3rd due engine

Proceed to the floor above the fire to work with the second truck company;

driver or operator will remain with the apparatus and establish a water supply to the secondary FDC if one is present.

A
27
Q

FYI

4th due engine

Abandon the vehicle with hose packs and RIT equipment.
Proceed to one floor below the fire floor

A
28
Q

If personnel decide to enter a fire compartment without a charged line in place to perform an immediate rescue, the truck crew should

A

Close the door behind them

29
Q

Staging refers to the area used for assembling resources close to operations on the fire floor, ideally ___ floors below the confirmed fire floor in a high-rise fire.

A

Two floors below

30
Q

Personnel should anticipate no more than __ to __ min per air cylinder during firefighting operations

A

15 to 20

31
Q

Raised floor systems, sometimes referred to as a

A

computer access flooring system

32
Q

FYI
Battalion 404 from Engine 430. Unable to complete a lap, confirmed four in the front, four to the rear over an underground parking garage. Floors will be labelled garage, 1, 2, 3, 4. Garage is clear of smoke and fire. The fire is located on side Alpha, Floor Number 3, quadrant Alpha.
81 High-Rise Building Fires,
Building is being evacuated. Engine 430 with a crew of four to Floor Number 3 for fire attack and search. Dispatch RIT taskforce. Requesting to transfer Command.ā€

A