Chapt 2 Flashcards

Building Classifications

1
Q

Factors that influence fire behavior include:
BC
O
FL
FR

A

basic building classification

occupancy

fire or fuel load

fire resistance p. 44

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2
Q

type 1

A

fire resistive

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3
Q

type 2

A

non- combustible

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4
Q

type 3

A

exterior protected ( masonry)

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5
Q

type 4

A

heavy timber

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6
Q

type 5

A

wood frame

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7
Q

In NFPA 220 each classification is designated by a 3 digit # code explain each one

A

1st number - fire resistance in hours of exterior bearing walls

2nd # - fire resistance rating of structural frames or columns and grinders that support loads more than 1 floor

3rd - fire resistance of floor

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8
Q

Type 1 construction the building is less likely to what

A

collapse

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9
Q

Type 1 are more commonly constructed using

A

Protected steel frame or reinforced concrete

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10
Q

concrete is inherently

A

non combustible

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11
Q

any substance, except plain water that when applied to another material or substance will reduce the flammability of fuels or slow their rate of combustion by chemical or physical actions ?

A

fire retardant p. 47

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12
Q

Type 1 construction is most commonly constructed using

A

protected steel frame or reinforced concrete

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13
Q

un protected steel has no

A

fire resistance

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14
Q

type 2 building materials ‘’/’’ same at type 1 also can use x2 ‘’

A

steel, concrete block ( same as Type 1) also can use aluminum and glass

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15
Q

type II-A protected requires that Structural components have a “” hour fire resistance

A

1 hour fire resistance

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16
Q

type II-B unprotected allows structural components to remain

A

unprotected

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17
Q

the use of unprotected steel isthe most common characteristics of

A

unprotected , non combustible construction

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18
Q

type 3 commonly referred to as

A

ordinary construction

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19
Q

Type 3 is commonly constructed with exterior walls of

A

masonry but any non combustible material with required fire resistance can be used

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20
Q

type 3 interior structural components that are permitted to be partially or wholly combustible include

A

walls
beams
columns
floors
roofs p. 48

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21
Q

When the construction components of type three construction are required to have a fire rating, such as foR IBC type 3 A and type 3 , 2-1-1 contruction they can be protected by several means including ‘’ IN older buildings and ‘’ in newer .

A

plaster in older buildings and gypsum board in newer

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22
Q

Type 3 uses what size wood for floor joist

A

2x10 p.48

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23
Q

fundamental fire condition w/ Type 3 is

A

combustible concealed spaces that are created b/tw floors and ceiling joist and studs in partition walls

drops ceiling can mask fire as well

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24
Q

type 4 is commonly known as

A

heavy timber or mill construction

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25
Q

Type 4 exterior walls are normally made of ‘’ interior made of “” materials

A

masonry , interior made of combustible material

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26
Q

2 important difference b’tw type 3 and 4 construction

A

type 4 - beams , column, floors and roofs are made of soild or laminated wood with dimensions greater than T3.

concealed spaces are not permitted b’tw strudel components in T4

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27
Q

Type 4 construction is the only construction that does not included what ‘’/’’ subdivisions instead uses ‘’

A

A and B Subdivisions , instead uses 2HH

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28
Q

Type 4 uses min nominal dimensions of ‘’ for floor construction thicker than types ‘’/’’

A

6x10 for floor construction which is thicker than type 3 and 5

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29
Q

Type 4 construction is not common in ‘’ for multistorys

A

New construction for multistory

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30
Q

Type 4 Construction’s original application includes :
F
M
W

A

factories , mills and warehouses

31
Q

Type 5 construction all major structional competes are permitted to be

A

Combustible

32
Q

Basic method of construction in Type 5 is ‘’ what hour fire rating ?

A

wood frame ro provide primary structural support with a 1 hour fire rating

33
Q

fundamental problem w/ type 5 construction is

A

extensive of concealed voids. because of this it can become completely involved and destroyed

34
Q

In modern practices, wood frame buildings are Most often constructed using a method known as ‘’’ introduced in what year ‘’

A

light frame construction Introduced and 1830

35
Q

light frame construction eliminated

A

heavy post and beams and made use of smaller studs, joists and rafters

36
Q

light- frame construction is considered a common construction of small ‘’’ and ‘’’ buildings in north american

A

common Construction of small residential and commercial buildings in north america

37
Q

Mixed construction occurs where a new structure is built onto an ‘’

A

onto an existing one of different construction type

38
Q

building code classification based on the use to which owners or tenants put building or portions of building

39
Q

assembly group

40
Q

business group

41
Q

edu group

42
Q

factories

43
Q

high hazards

44
Q

institutional group

45
Q

mercantile group

46
Q

residential group

47
Q

storage group

48
Q

utility and miscellaneous

49
Q

12 major occupancy IN NFPA 101 LIFE SAFTEY CODE :
A
E
D
HC
AHC
D/C
R
RBC
M
B
I
S

A

Assembly , edu , daycare, health care, ambulatory health care, detention and correctional , residential , residential board and care, mercantile , business, industrial and storage p.53

50
Q

The maximum amount of heat that can be released if all fuel in a given area is consumed; expressed in pounds per square foot, obtained by dividing the amount of fuel present by the floor area is known as the -

51
Q

fire load will vary based on

A

heat of combustion

52
Q

buildings with combustible structural components

A

types 3, 4, 5

53
Q

in form in which used and under the conditions anticipated, will not ignite , burn, support combustion or release flammable vapors , when subject to fire is defined as what according to IBC

A

non combustible

54
Q

most common used test for determining combustibility is

55
Q

Severity of fire is a factor of fire load plus

A

rate at which fire burns

56
Q

fire resistance describes several properties of material including
C
TC
CC
D
D

A

combustibility, thermal conductivity, chemical composition, density and dimension

57
Q

in the case of walls , partitions, an ceilings , fire resistivity also means the ability to act as

A

a barrier to fire

58
Q

fire resistance rating incorporated into building codes includes Min requirements for structural components such as

A

beams, column, walls and partitions, floors and ceiling assemblies and roof / ceiling assemblies

59
Q

most common test method used to determine fire resistances are ‘’ tests

60
Q

The standard test for fire resistance is’’ ALSO KNOW AS NFPA ‘’

A

asthma-119, NFPA 251

61
Q

The addition of fire resistance increases structural ‘’ during a fire

A

STRUCTURAL INTEGRITY DURING A FIRE

62
Q

IBC contains a total of ‘’ subgroups within the 10 major occupancy classifications

63
Q

IBC also separately addresses one and two family dwellings not more than three stories high. These buildings are classified as.’’ in the IBC as they govern by separate code`

A

R International residential code

64
Q

Fire resistance rating IS measured ON A ‘’’ CURVE

A

On a time temperature curve

65
Q

Which test is widely used in fire protection to establish the required performance standards in building codes?

A

The standard fire-protection test.

66
Q

Standard Test Methods for Determining Effects of Large Hydrocarbon Pool Fires on Structural Members and Assemblies DESCRIBES WHAT TEST ?

A

ASTM Standard 1529?

67
Q

First engineered in the 1830s, this Type V construction method greatly reduced the cost and time involved in erecting residential and small commercial buildings.

A

LIGHT FRAME

68
Q

The standard for the calculation of the fire resistance of structural members. NFPA ‘’

69
Q

The ability of structural assemblies to carry a structural load and to act as a fire barrier is what standard test ?

70
Q

What is the only construction type that does not include A and B subdivisions?

71
Q

The rating assigned to a material or an assembly after standardized testing by an independent testing organization that identifies the amount of time a material or assembly of materials will resist a typical fire as measured by a standard time/temperature curve is known as -

A

The Fire Resistance Rating.

72
Q

’’’’ is the ability of a structural assembly or material to maintain its load-bearing capacity and structural integrity under fire conditions.

A

Fire resistance

73
Q

the materials used in construction and the fire resistance ratings required for the structural components are factors considered and determining ‘’’

A

Building classification