6 Building Construction Components Flashcards Preview

Fire: Fire Inspection And Code Enforcement > 6 Building Construction Components > Flashcards

Flashcards in 6 Building Construction Components Deck (128):
1

Walls that are erected to limit the maximum fire spread

Firewall

2

Firewalls are typically constructed of

Masonry

3

Firewalls are constructed with a rating of

2-4 hours

4

Firewalls can be constructed as either freestanding walls or

Tied walls

5

Freestanding walls must be designed to resist a lateral load of at least

5 pounds per square foot

6

A tied firewall is erected in a column line in the building steel or concrete frame construction true false

True

7

True false no combustible structural members may penetrate through a firewall

True

8

Height of the parapet wall varies from

18-36 inches tall

9

All door openings in firewalls must be protected by

Either automatic or self-closing fire doors

10

If the firewall is required to have a fire resistance rating of four hours the openings for them they will be protected with what rated fire door on each side

Three hour rated fire door

11

Smoke dampers are required inside of ducts penetrating fire walls with a fire resistance rating of

Two hours or greater

12

A wall that lies on a lot line between two buildings and is common to both buildings, erected to limit the maximum spread of fire

Party wall

13

True false party walls are usually never loadbearing

False party walls are almost always loadbearing

14

Party walls frequently function as

Firewalls and extend through a building from basement to roof

15

Very common location for breaches in party walls is in

Attics and cocklofts

16

True false it is not against code to reach a party wall for any reason

False

17

Interior walls used to subdivide area of a building or floor but do not qualify as firewalls

Fire partitions and fire barriers

18

Walls directed from the floor to underside of the floor above or bottom of fire rated ceiling may not extend continuously through a building

Fire partition

19

Fire partitions are typically fire resistive for how long

One hour

20

Fire resistance rating for fire barriers ranges from

1-4 hours

21

Walls used for area separations hazard protection stairwells and shaft. Also used to create areas of refuge

Fire barrier

22

Instruction a fire barriers is identical to fire partitions except the partitions are allowed to terminate at the bottom of a fire rated floor or ceiling assembly and fire barriers are required to

Terminate at the bottom of the roof deck or at the floor above

23

The partition wall separating adjacent units in an apartment building may be required to have a fire resistance rating of

One hour

24

Common method of construction for a partition wall that is not loadbearing

Half inch gypsum both sides of 2.5" steel studs

25

A fire partition wall with half inch gypsum board on both sides of 2 1/2 inch wood studs would have a fire resistance rating of

One hour loadbearing

26

Enclosure walls are required to have a fire resistance rating of

1-2 hours depending on the height of building

27

True false enclosure walls are usually loadbearing

False they are usually non-loadbearing

28

The design function of the curtainwall is to

Separate interior environment from exterior environment

29

Required fire resistance rating of a curtainwall depends on the separation distance between

Separation distance between buildings and the buildings occupancy

30

True false movable partitions are never loadbearing

True

31

Fire resistive movable partitions generally have a fire rating of

1-2 hours

32

Identifies the amount of time and material or assembly of material will resist a typical fire as measured on a standard time temperature curve

Fire resistance rating

33

Embers can ignite the roof deck under roof tiles and Spanish tiles by

From the Ember blowing underneath the tile

34

Roof method of holding down covering are using rock over tarpaper rock helps with concerns of fire and provides wind resistance

Ballasted roof

35

Flooring material consisting of marble and stone chips set instrument or epoxy resin and ground to a smooth finish

Terrazzo

36

Sometimes referred to as Mexican paper tiles used in interior and exterior commercial and residential applications as flooring material

Clay tiles

37

Most commonly used method of fire protecting steel structural members

Gypsum board, concrete, sprayed on material

38

From a fire protection standpoint the most substantial wood floors are those found in what type of construction

Heavy timber type IV

39

The floor decking and a type IV construction is

Minimum 3 inches thick plank with 1 inch finish the flooring

40

Heavy timber beams for floor units are what dimension

6 x 10" beams

41

Floor joists in ordinary woodframe construction vary in size from

2 x 6"-2 x 14" spaced 12-24 inches apart

42

Floor decking for ordinary woodframe construction is typically plywood or nominal board subfloor of what thickness

1 inch

43

Building codes may require wood or metal diagonal bracing were solid blocking between joints to keep the floor supports from twisting underload. This is called

Bridging

44

The major disadvantage of masonry building components is

Is the weight of the material or assembly

45

Floor finishes are classified by

The amount of heat that can be applied before it ignites and fire spreads

46

Class i floor coverings can withstand higher temperatures before igniting than

Class ii floor coverings

47

The fire resistance of a floor assembly plays a primary role in preventing

Vertical communication a fire and products of combustion

48

The interstitial space between a floor bottom and the ceiling system can be used as a return air Plenum him. In this case, Inspectors must ensure the materials wires ducts pipes etc. are

Are noncombustible are rated for Plenum use

49

Stairs that are built to resist the spread of fire and smoke are called

Protected or enclosed

50

Stairs that are not required to be part of the means of egress system and typically connect no more than two levels are called

Access or convenience stairs

51

And both the NFPA and international code Council, ICC, stairway rise and run are specified after

4-7 inches rise, 11 inches run

52

Each successive step cannot different in size from the one before or after by more than

3/8 of an inch

53

Although these Systems have been used in the past as a means of egress, they are no longer allowed as components required means of egress from normally occupied space

Fire escapes escalators and fix letters

54

Depending on building height, protected stairs are in close with fire rated construction usually rated at

1-2 hours

55

Penetrations for billing services prohibited in protected stairways. Additionally what type of door is required

Self or automatic closing fire rated doors

56

Stair enclosures using active or passive smoke control may be defined as

Smoke proof

57

Billing code allows the use of unprotected stairs building is when they

Connect only two adjacent floors above the basement level

58

Doors maybe classified by the way they operate generally the following five types of doors are used

Swinging. Sliding. Folding. Vertical. Revolving

59

Type of door that rotates around a vertical axis by means of hinges secured to the side jams of the doorway framing

Swinging door

60

Generally swinging doors are required as

Exit doors in means of egress

61

Sliding doors are never allowed as part of

Part of a means of egress because they slow the travel of people through the door

62

Distance from any given area and a structure to the nearest exit or to a fire extinguisher

Travel distance

63

A revolving door is used to minimize what through a door opening to reduce heating and cooling costs

Airflow

64

From a firefighting standpoint, a revolving door prevents the movement of

Equipment and firehose

65

To overcome restrictions under emergency conditions the wings of the revolving door must

Collapse to provide an unobstructed opening

66

The use of revolving doors in a means of egress is severely limited and must provide what

Swinging door within 10 feet of revolving door

67

Coach limit the amount of force required to collapse the wings of a revolving door to

130 pounds

68

A type of door that consists of vertical and horizontal members that frame a rectangular area

Panel door

69

Fire doors are rated at what time

4 hours. 3 hours. 1.5 hours. 1 hour. 3/4 hour. 1/3 hour.

70

This indicates the type of opening that is to be protected based on the location and required level of protection. Form of classification no longer used

Alphabetical fire door

71

Class a fire door

Openings and firewalls. Openings in wall that divides structure into separate fire areas

72

Class B fire door

Openings in vertical shafts such as stairwells and openings in 2 hr rated partitions

73

Class C fire door

Openings between rooms and corridor having fire resistance of 1 hour or less

74

Class D fire door

Openings and exterior walls subject to severe fire exposure from outside building

75

Class E fire door

Openings and exterior wall subject to moderate or light exposure from outside

76

A code may permit an opening in a two hour rated stairwell enclosure to be protected with what rated fire door

1.5 hour rated fire door rather 2 two hour rated fire door

77

A code may also require 23 hour rated fire doors to protect an opening in a four hour rated wall and may not permit what doors to be used

May not permit a 3 hour tour in combination with a 1.5 hour door to satisfy the requirement

78

What type of door rating maybe found used as a smoke barrier and an opening to a hallway

1/3 hr

79

Difference between rating of a firewall and a fire door assembly is because of

Firewall assumes there are combustibles close to all unprotected side. Fire doors are assumed to have a clear space on protected site

80

What type of fire door may not be subject to a hose test

1/3 hr

81

For a fire door to effectively blocked the spread of fire it must

Remain closed and attached to the fire rated wall under fire conditions

82

Type of fire door commonly used to protect and opening a firewall in an industrial occupancy or an opening in the wall separating buildings into fire areas

Overhead rolling steel fire door

83

It rolling overhead fire door cannot be used on any opening that is required to be part of

The means of egress

84

Swinging fire doors are available with ratings between what, and can be constructed of a variety of materials

Between 3-hours to 20 minutes

85

Fire doors with ratings of 1, 1.5, and 3 hours can have glass panels up to what size

100 Square inches

86

3/4 hour fire doors can have a total glass area that does not exceed what size


1296 in.²

87

One third of our fire doors can have fire rated glass up to a maximum area to which

To which the door was tested

88

Louvers can be installed in a fire door so long as they

So long as they close the event of a fire

89

Swinging doors can be equipped with louvers if the door is rated to what

Up to 1.5 hours

90

A window that consists only of a frame and a glazed stationary sash

Fixed window

91

Window that has a side hinged sash that is usually installed to swing outward

Casement window

92

Type of window that swings outward at the top or bottom and slides upward or downward and grooves it is usually operated by a push bar that is notched to told the window in place

Projecting

93

What type of frame is a fire window manufactured with

Steelframe

94

Because other types of fire rated glazing use an interior gel that is not suited for exposure to cold temperatures, what type of glass is commonly used for Windows at exterior openings

Wired glass

95

Hanging fabric material such as draperies and curtains are not treated as interior finishes unless

They are applied to a ceiling or wall

96

Building code usually exclude surface treatment such as paint that is no thicker than

1/28 of an inch

97

A device that is 25 feet long, 17.5 feet wide, and 12 feet high. It is used to determine fire rating

Steiner tunnel test

98

Most commonly used method for evaluating surface burning characteristics of materials

Steiner tunnel test

99

Materials with what class rating are required in vertical exits of most occupancies

Class a 0-25

100

Which class rating is required in hallways or corridors that provide exit access

Class B 26-75

101

Maximum flame spread rating allowed is

200

102

As with the flame spread rating red Oak is used as a standard and has the same rating for smokes developed which is

100

103

Maximum smoke developed rating

450, or 4.5 times the amount generated by red oak floor

104

Types of fire retardant coatings

Intumescent paint.
Mastics.
Gas forming paints.
Cementitious and mineral fiber coating

105

The act of dividing the structure into areas that resist fire spread contain combustibles or increase fire protection capability

Compartmentalization

106

To prevent mushrooming model building codes require what at the top of practically every elevator hoistway

Venting

107

Fire rating for elevator hoist ways

1-2 hour rating

108

Single elevator shaft

One shaft one elevator

109

Multiple elevator shaft

One shaft per elevator

110

Blind elevator shaft

Elevator does not serve the entire distance of the shaft

111

Most common fire resistance rating for elevator hoist way door

1.5 hour

112

Escalator steps usually move at speeds of either

90 ft./m or one 20 ft./m

113

Escalator stairs are linked together in what is called a step chain.The driving machinery is located where

Under an access plate at the upper landing

114

Vertical openings over escalators are typically protected by sprinkler draft curtains which are

Curtain walls extending 18 inches down. Row of sprinklers outside draft stop

115

The model code specifies shaft enclosures to be protected by

Fire resistive construction

116

Chute provided for the removal of trash and garbage from upper floors of a building

Refuse shoot

117

Smoke damper is usually actuated by

A smoke detector, automatic alarm signals from building fire alarm system

118

Most codes require an HVAC system over a certain capacity be provided with an internal duct smoke detection device to turn the system off automatically when smoke is detected. What size

2000 ft.³ per minute

119

Types of conveyor systems

Roller, chain, bucket system

120

Most common type of conveyor system is

Horizontal conveyor which must pass through fire barriers

121

What usually protects conveyor penetrations through a wall

Water spray or a closing fire door

122

Primary concern for conveyor belt penetrations during a fire is

Incomplete door closure

123

Term used to describe electrical equipment that is used to isolate circuits and energized equipment

Switch gear

124

Generators may be limited to operating what

Fire protection and suppression systems
Emergency lighting

125

Two most common method for cooling transformers

Air cooling. Oil cooling

126

Lead acid batteries contain the following two hazardous materials

Sulfuric acid. Metallic lead

127

Sulfuric acid in lead acid batteries also releases what gas

Hydrogen gas during charging

128

Metallic lead is

A toxic heavy metal