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1
Q

Among the most important elements of life safety are proper means of ___ and protection against hazards.

A

Egress

2
Q

In 1890, the first fire test of a fireproof floor assembly in the U.S. was conducted for the Denver Equitable Building Company. ___ floors were tested. The floors were subject to a load, shock, fire, and water, and continuous fire tests of ____.

A

Hollow tile floors…. 24 hours @ 1,300°F

3
Q

In 1896, the NYC Department of Buildings conducted a series of tests on fireproof floors using brick kilns as the test furnace. The central panel of the floor was loaded to ____. A wood fire was maintained at ___ during the last four hours. After the fire, a hose stream was applied and the floor was reloaded to ___ for 48 hours, with the final load resting on the ____ rather than the beam.

A

150 psf
2,000°F
600 psf
arch

4
Q

Between 1896 and 1916, not much fire testing wa done on columns. However, the testing that was conducted showed ___ to be superior to unprotected steel.

A

Cast iron

5
Q

The three following standards for fire test of Building Construction and Materials.
1.
2.
3.

A

NFPA 251
UL 263
ASTM E-119

6
Q

Fire resistance of columns is concerned with resisting ___.

A

Collapse

7
Q

Fire resistance of floors is concerned with resistance ___.

A

Passage of fire and collapse

8
Q

Fire resistance of walls is concerned with ___.

A

Passage of fire and collapse

9
Q

Fire resistance of fire doors is concerned with ___.

A

Passage of fire

10
Q
The minimum sizes for fire resistance test specimens are as follows.
Columns \_\_\_
Beams and girders \_\_\_
Partitions and walls \_\_\_
Floor and roofs \_\_\_
A

9’
12’
100 sq. ft
180 sq. ft

11
Q

Fire Resistance Testing… The columns have several thermocouples peened into the columns. When the average temperature exceeds ___ or any thermocouple’s temp exceeds ___, the test is ended and the specimen fails.

A

1,000°F

1,300°F

12
Q

Fire Resistance Testing… A floor or wall structure must not develop conditions that would ignite ___ on the unexposed surface or permit an average temperature rise on the unexposed surface of ___.

A

Cotton waste

250°F

13
Q

The UL Fire Resistance Directory is published ___.

A

Anually

14
Q

The basis for regulation of flame spread today is found in NFPA ___, commonly referred to as the ___.

A

NFPA 255

Steiner Tunel Test

15
Q

Steiner Tunel Test is also known as ASTM ___ and UL ___.

A

ASTM E-84

UL 723

16
Q

Steiner tunnel test… A test sample ___ long and ___ wide forms the top of a tunnel or long box.

A

25’ long

2’ wide

17
Q

Steiner tunnel test… Flame spread over inorganic reinforced cement board is set at ___.

A

0

18
Q

Steiner tunnel test… Flame spread over red oak is set at ___.

A

100

19
Q

Flame spread of surface materials is classified as follows:
Class A: ___
Class B: ___
Class C: ___

A

0-25
26-75
76-200

20
Q

When the tunnel test is run at UL inc, smoke developed is also measured and indexed. Materials with smoke developed ratings of ___ or more can be expected to generate substantial amounts of smoke.

A

300 or more

21
Q

The ___, Radiant Panel Flame Spread Test. Samples for this test measure only ___ by ___ inches.

A

ASTM E-162

6” by 18”

22
Q

The corner test developed by FM Approvals uses walls up to ___ feet high, the East wall is ___ long, and the South wall is more than ___ long.

A

25’
50’
37’

23
Q

The Critical Radiant Flux Test, NFPA ___, measures a materials ability to resist flame spread.

A

NFPA 253

24
Q

The ___ the CRF number, the less flammable the carpeting.

A

Higher

25
Q

When regulated, the model building and fire codes consider two classes of interior floor finish ratings.
Class 1: CRF minimum ___
Class 2: CRF minimum ___

A

Greater than or equal to 0.45 watt/sq. cm

Greater than or equal to 0.22 watt/sq. cm

26
Q

2008 UL Inc report “Strutural Stability of Engineered Lumber in Fire Conditions”…. In a simulated basement fire involving exposed lightweight I-beams, collapse occurred in a mere ___ minutes.

A

6:03

27
Q

2008 UL Inc report “Strutural Stability of Engineered Lumber in Fire Conditions”…. The legacy 2x10 beam construction outlasted lightweight construction by a ___ margin.

A

3:1

28
Q

Fire walls, typically ___ hour fire resistance rated.

A

2-4

29
Q

Fire partitions, typically ___ hour fire resistance rated.

A

1

30
Q

Fire barriers, typically ___ hour fire resistance rated.

A

1-2

31
Q

Fire doors can have fire protection ratings from ___ to ___.

A

20 minutes to 3 hours

32
Q

Fire doors may close by any of three methods.
1.
2.
3.

A

Swinging
Sliding
Rolling

33
Q

Two types of fire door closure devices.
1.
2.

A

Self-closing

Automatic

34
Q

Multiple fire doors are AKA ___.

A

“leafs”

35
Q

___ - creating fire areas no larger than one floor.

A

Compartmentation

36
Q

Self closing fire doors may use fusible links rated at ___.

A

165°F

37
Q

With the exception of a deluge system, sprinkler systems are designed with only a certain number of sprinklers to be operating at one time, not the entire system. The design would anticipate anywhere from ___ sprinklers.

A

4-50

38
Q

It is estimated that there are over ___ incentives in the IBC for sprinkler use.

A

200

39
Q

Some cities require sprinkler for basements in excess of a certain size, usually ___.

A

2,500 sq ft.

40
Q

A single sprinkler flowed for 15 minutes would flow about ___ gallons.

A

500 gallons

41
Q

Sprinkler piping is hydrostatically tested after installation for ___ hour at ___ psi.

A

2 hours at 200 psi

42
Q

The NFPA has no record of a multiple death fire(___ or more people) in a completely sprinklered building where the system was operating properly.

A

3 or more

43
Q

As much as ___ % of recent library fires were due to arson.

A

85%

44
Q

Sprinklers should not be shut down as long as ___ is falling down.

A

“Hot water”

45
Q

Outside building inspections: sprinkler…

When a pump is installed, a manifold for testing the fire pump is usually provided. Each ___ inch outlet indicates ___ ppm.

A

2 1/2”

250 gpm

46
Q

ESFR sprinklers discharge a larger quantity of water, as much as ___ gpm per sprinkler in some cases.

A

100 gpm

47
Q

The orifice size of an ESFR sprinkler is ___ in size; conventional sprinklers have ___ openings.

A

3/4”

1/2”

48
Q

ESFR sprinklers can protect rack storage of high density plastics up to ___ in height without the use of in rack sprinklers.

A

25’

49
Q

Typically, a single riser can cover an area up to ___ for most occupancies with a limitation of ___ for high-pooled stock warehouses and extra hazard occupancies.

A

52,000 sq ft.

40,000 sq ft.

50
Q

Class 1 and 3 standpipe systems provide ___ ppm at ___ psi at each hose valve.

A

250 gpm

100 psi

51
Q

Class 2 standpipe systems provide ___ gpm at ___ psi.

A

100 gpm

65 psi

52
Q

A realistic estimate between alarm time and start of extinguishment in a high-rise building is ___ .

A

20 minutes

53
Q

The piping of some sprinkler systems in high-rise buildings may be limited in terms of its working pressure, providing only as little as ___ psi.

A

200 psi

54
Q

A standard hydraulic formula adds ___ psi for the standpipe itself and ___ psi per floor.

A

25 psi

5 psi

55
Q

If the female swivel is rusted and won’t turn, twist the 2 1/2” supply hose ___ turns counterclockwise before connecting.

A

4-5