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

6 Building Construction Components Flashcards

1
Q

Walls that are erected to limit the maximum fire spread

A

Firewall

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2
Q

Firewalls are typically constructed of

A

Masonry

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3
Q

Firewalls are constructed with a rating of

A

2-4 hours

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4
Q

Firewalls can be constructed as either freestanding walls or

A

Tied walls

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5
Q

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

A

5 pounds per square foot

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6
Q

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

A

True

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7
Q

True false no combustible structural members may penetrate through a firewall

A

True

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8
Q

Height of the parapet wall varies from

A

18-36 inches tall

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9
Q

All door openings in firewalls must be protected by

A

Either automatic or self-closing fire doors

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10
Q

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

A

Three hour rated fire door

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11
Q

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

A

Two hours or greater

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12
Q

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

A

Party wall

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13
Q

True false party walls are usually never loadbearing

A

False party walls are almost always loadbearing

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14
Q

Party walls frequently function as

A

Firewalls and extend through a building from basement to roof

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15
Q

Very common location for breaches in party walls is in

A

Attics and cocklofts

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16
Q

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

A

False

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17
Q

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

A

Fire partitions and fire barriers

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18
Q

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

A

Fire partition

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19
Q

Fire partitions are typically fire resistive for how long

A

One hour

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20
Q

Fire resistance rating for fire barriers ranges from

A

1-4 hours

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21
Q

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

A

Fire barrier

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22
Q

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

A

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

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23
Q

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

A

One hour

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24
Q

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

A

Half inch gypsum both sides of 2.5” steel studs

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25
Q

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

A

One hour loadbearing

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26
Q

Enclosure walls are required to have a fire resistance rating of

A

1-2 hours depending on the height of building

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27
Q

True false enclosure walls are usually loadbearing

A

False they are usually non-loadbearing

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28
Q

The design function of the curtainwall is to

A

Separate interior environment from exterior environment

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29
Q

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

A

Separation distance between buildings and the buildings occupancy

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30
Q

True false movable partitions are never loadbearing

A

True

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31
Q

Fire resistive movable partitions generally have a fire rating of

A

1-2 hours

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32
Q

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

A

Fire resistance rating

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33
Q

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

A

From the Ember blowing underneath the tile

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34
Q

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

A

Ballasted roof

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35
Q

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

A

Terrazzo

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36
Q

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

A

Clay tiles

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37
Q

Most commonly used method of fire protecting steel structural members

A

Gypsum board, concrete, sprayed on material

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38
Q

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

A

Heavy timber type IV

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39
Q

The floor decking and a type IV construction is

A

Minimum 3 inches thick plank with 1 inch finish the flooring

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40
Q

Heavy timber beams for floor units are what dimension

A

6 x 10” beams

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41
Q

Floor joists in ordinary woodframe construction vary in size from

A

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

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42
Q

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

A

1 inch

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43
Q

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

A

Bridging

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44
Q

The major disadvantage of masonry building components is

A

Is the weight of the material or assembly

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45
Q

Floor finishes are classified by

A

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

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46
Q

Class i floor coverings can withstand higher temperatures before igniting than

A

Class ii floor coverings

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47
Q

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

A

Vertical communication a fire and products of combustion

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48
Q

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

A

Are noncombustible are rated for Plenum use

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49
Q

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

A

Protected or enclosed

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50
Q

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

A

Access or convenience stairs

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51
Q

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

A

4-7 inches rise, 11 inches run

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52
Q

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

A

3/8 of an inch

53
Q

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

A

Fire escapes escalators and fix letters

54
Q

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

A

1-2 hours

55
Q

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

A

Self or automatic closing fire rated doors

56
Q

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

A

Smoke proof

57
Q

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

A

Connect only two adjacent floors above the basement level

58
Q

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

A

Swinging. Sliding. Folding. Vertical. Revolving

59
Q

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

A

Swinging door

60
Q

Generally swinging doors are required as

A

Exit doors in means of egress

61
Q

Sliding doors are never allowed as part of

A

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

62
Q

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

A

Travel distance

63
Q

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

A

Airflow

64
Q

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

A

Equipment and firehose

65
Q

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

A

Collapse to provide an unobstructed opening

66
Q

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

A

Swinging door within 10 feet of revolving door

67
Q

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

A

130 pounds

68
Q

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

A

Panel door

69
Q

Fire doors are rated at what time

A

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

70
Q

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

A

Alphabetical fire door

71
Q

Class a fire door

A

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

72
Q

Class B fire door

A

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

73
Q

Class C fire door

A

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

74
Q

Class D fire door

A

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

75
Q

Class E fire door

A

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

76
Q

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

A

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

77
Q

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

A

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

78
Q

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

A

1/3 hr

79
Q

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

A

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

80
Q

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

A

1/3 hr

81
Q

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

A

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

82
Q

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

A

Overhead rolling steel fire door

83
Q

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

A

The means of egress

84
Q

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

A

Between 3-hours to 20 minutes

85
Q

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

A

100 Square inches

86
Q

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

A

1296 in.²

87
Q

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

A

To which the door was tested

88
Q

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

A

So long as they close the event of a fire

89
Q

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

A

Up to 1.5 hours

90
Q

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

A

Fixed window

91
Q

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

A

Casement window

92
Q

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

A

Projecting

93
Q

What type of frame is a fire window manufactured with

A

Steelframe

94
Q

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

A

Wired glass

95
Q

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

A

They are applied to a ceiling or wall

96
Q

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

A

1/28 of an inch

97
Q

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

A

Steiner tunnel test

98
Q

Most commonly used method for evaluating surface burning characteristics of materials

A

Steiner tunnel test

99
Q

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

A

Class a 0-25

100
Q

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

A

Class B 26-75

101
Q

Maximum flame spread rating allowed is

A

200

102
Q

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

A

100

103
Q

Maximum smoke developed rating

A

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

104
Q

Types of fire retardant coatings

A

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

105
Q

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

A

Compartmentalization

106
Q

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

A

Venting

107
Q

Fire rating for elevator hoist ways

A

1-2 hour rating

108
Q

Single elevator shaft

A

One shaft one elevator

109
Q

Multiple elevator shaft

A

One shaft per elevator

110
Q

Blind elevator shaft

A

Elevator does not serve the entire distance of the shaft

111
Q

Most common fire resistance rating for elevator hoist way door

A

1.5 hour

112
Q

Escalator steps usually move at speeds of either

A

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

113
Q

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

A

Under an access plate at the upper landing

114
Q

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

A

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

115
Q

The model code specifies shaft enclosures to be protected by

A

Fire resistive construction

116
Q

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

A

Refuse shoot

117
Q

Smoke damper is usually actuated by

A

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

118
Q

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

A

2000 ft.³ per minute

119
Q

Types of conveyor systems

A

Roller, chain, bucket system

120
Q

Most common type of conveyor system is

A

Horizontal conveyor which must pass through fire barriers

121
Q

What usually protects conveyor penetrations through a wall

A

Water spray or a closing fire door

122
Q

Primary concern for conveyor belt penetrations during a fire is

A

Incomplete door closure

123
Q

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

A

Switch gear

124
Q

Generators may be limited to operating what

A

Fire protection and suppression systems

Emergency lighting

125
Q

Two most common method for cooling transformers

A

Air cooling. Oil cooling

126
Q

Lead acid batteries contain the following two hazardous materials

A

Sulfuric acid. Metallic lead

127
Q

Sulfuric acid in lead acid batteries also releases what gas

A

Hydrogen gas during charging

128
Q

Metallic lead is

A

A toxic heavy metal

Fire Inspection And Code Enforcement (13 decks)

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