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CGFD > Brannigans Building Construction CH.8 Wood Frame Construction > Flashcards

Brannigans Building Construction CH.8 Wood Frame Construction Flashcards

1
Q

T or F: what is a combustible

A

True

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2
Q

Wood and thin sections can have very rapid

A

Flame spread

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3
Q

A building with skeleton of beams and columns in which the walls are only curtain wall

A

Framed building

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4
Q

Type of Wall that is non load-bearing it carries no weight other than its own weight and is installed only to keep out weather

A

Curtain wall

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5
Q

In a framed building the frame itself carries the entire

A

Weight of structure as well as live loads

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6
Q

A structure where the entire structural load is carried on the walls

A

Wall bearing

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7
Q

Usually referred to as a frame building, is actually a wall bearing building that carries load of the structure and contents

A

Wooden walled building

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8
Q

To cut off the corners of a Timber to retard ignition

A

chamfer

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9
Q

Lumber with tongues and grooves at the end

A

end matched

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10
Q

In construction trade it refers to laminated Timbers; wood modified from its natural state or Lumber come by to make elements

A

Engineered wood

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11
Q

Solid Timber that is formed from planks that are glued together

A

Glued laminated Timber

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12
Q

Lumber that is 8 in or more and its smallest dimensions

A

Heavy Timber

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13
Q

Floor beams

A

Joists

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14
Q

Of solid wood members as opposed to lightweight wood trusses and wooden I joist

A

Legacy Construction

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15
Q

Wood that has been Sawn and planed

A

Lumber

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16
Q

Tongue and grooved Lumber (usually lengthwise)

A

Matched Lumber

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17
Q

Made of layers of strands of wood cut from logs with a fairly constant width to length ratio

A

Oriented strand board (OSB)

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18
Q

Had less expansion from moisture; available in sizes larger than 4 by 8 ft

A

Oriented strand board (OSB) also oriented flakeboard

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19
Q

Layers of wood veneer laid in different directions glued together under pressure

A

Plywood

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20
Q

Lumber that is left as sawn on all four sides

A

Rough lumber

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21
Q

Wooden strips that fit into grooves in 2 adjacent planks to make a tight floor

A

Splines

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22
Q

Column in frame buildings usually 2x4 in or 2x6 in

A

Stud

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23
Q

Wood lath is found in

A

older Construction

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24
Q

Narrow rough strip of wood nailed to studs, plaster spread on them

A

Wood lath

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25
Q

Thin Grooved board use for ceilings and wall panels

A

Wood wainscoting

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26
Q

Non load-bearing uses of would include

A

Wood lath for carrying plaster and wood wainscotting

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27
Q

Wood can be used structurally to carry

A

Building loads

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28
Q

Wood is used to carry major structural loads in many forms of type 5 Construction:

A

Log Cabin
Post and frame
Balloon frame (Eastern framing)
Platform frame (Western framing)
Plank and beam
Truss frame

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29
Q

Building that has an identifiable frame or skeleton of Timber that is fitted together

A

Post and frame

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30
Q

Post and frame are constructed using

A

Mortise and Tenon (socket and tongue) joints, fitted together to transfer loads properly

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31
Q

The joints of mortise and Tenon are pin with wooden pegs called

A

Trunnels

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32
Q

They are the ancestors of high-rise because they are framed not wall bearing buildings meaning walls are not structural or load-bearing

A

Post and frame

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33
Q

Many new post and frame buildings are in close with

A

Foam core panels; foam roof present possibility of failure

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34
Q

in the 1920’s many balloon frame houses were built with exterior finish to resemble post and frame construction called

A

English tudor

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35
Q

At Walt Disney World and Other amusement parks buildings of Steel construction are decorated to have appearance of

A

Post and frame

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36
Q

Type of construction that became an almost Universal construction method for multi-story wooden buildings until middle of 1900s

A

Balloon frame Construction

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37
Q

In this construction studs run two or more stories high from Foundation to the eave line; channels between studs may be open from Cellar to attic and Joist channels are open to stud channels

A

Balloon frame building

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38
Q

Space between joist

A

Joist channels

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39
Q

In balloon frame building at the floor line a horizontal board called what is nailed to the studs; joist rest on these

A

Ribbon board

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40
Q

In balloon frame construction interconnected voids can be considered to be

A

One large balloon

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41
Q

When balloon frame buildings are remodeled what may or may not be installed

A

Fire stopping

42
Q

Reasonable to assume that any wooden building built from 1940 and more than one story high was probably of what type of construction

A

Balloon frame

43
Q

Who is often the culprit for starting fires in walls of balloon frame buildings

A

Plumber’s

44
Q

Where is the worst place for fire to start in a balloon frame building

A

Basement

45
Q

When dealing with a balloon frame fire it is imperative for firefighters to anticipate spread and send companies with hose line to

A

Upper floors and attic

46
Q

In a balloon frame building fire you should consider designating

A

Extension sector and Fire officer to observe building on all sides

47
Q

Signs of fire spread in balloon frame building

A

Blistered paint
Smoke from Eaves
Sudden increase in volume of smoke below operating forces
Any sign to evacuate

48
Q

Sand like material found inside wall stud channels of balloon frame homes for insulation

A

vermiculite

49
Q

In this type of construction first floor is built as a platform; sub flooring laid on the joist and frame for first floor walls is erected on first floor

A

Platform frame Construction

50
Q

Typically the limit for platform frame Construction

A

3 stories

51
Q

In a balloon frame building their structural continually from top to bottom versus what that has no continuity from top to bottom

A

Platform frame building

52
Q

In what type of construction do inherent barriers exist to limit spread of fire through walls; confining fire to one portion of structure even if fire gains access to concealed space

A

Platform frame Construction

53
Q

The one common vertical means of fire spread and both balloon frame and platform frame buildings

A

Open stairwell

54
Q

In single-family homes what is the fastest way for smoking heat to rise to the top of the home

A

Open stairwell

55
Q

False space above built-in cabinets usually in kitchen or in under sides of stairways and projecting Eaves

A

Soffit

56
Q

Provides a connection generally without a fire stop between wall and joist spaces

A

Soffit

57
Q

Often feel back-to-back and multi-family dwelling so far makes then immediately to a Jason occupancy

A

Soffit

58
Q

Once a foundation in basement have been built what are the platform frame may begin

A

Rough carpentry

59
Q

First floor seal is laid on the foundation wall followed by floor joists usually spaced

A

16 to 24 in on Center

60
Q

After floor joist are placed what is placed in the form of plywood or OSB on top of the joist

A

Subflooring

61
Q

What is placed between joist to keep them erect and to help share the loading placed on the floor

A

Bridging or (cross-bracing)

62
Q

Floor openings are created for stairwells and the like throughout the use of what

A

Header (along end of opening) and trimmer (along length of opening)

63
Q

Wood Walls consisting of studs spaced how much have a bottom plate and a top plate

A

16 in on Center

64
Q

Once all of the walls have been erected and tie together the bracing is removed and what is placed over the studs

A

Sheathing panels (sometimes insulating)

65
Q

in in platform Construction The top set of walls receives roof framing consisting of

A

Rafters and Ridge board (ridge pole)

66
Q

Using what gives the roof a variety of sloped shapes

A

Hip or Valley

67
Q

In a platform frame stairway what supports the risers and treads

A

Stringers

68
Q

Vertical stair components between treads

A

Riser

69
Q

Horizontal stair component on which people place their feet

A

Tread

70
Q

The taller the Riser and smaller the tread

A

The steeper set of stairs

71
Q

And this type of construction instead of using multiple floor beams play 16 in apart have your beams are used and are spaced much farther apart

A

Plank and beam

72
Q

In Plank and beam construction instead of thin rub so flooring or plywood what is used

A

Thick finish tongue and groove planks

73
Q

In Plank and beam construction the Finished plank surface is

A

ceiling of floor below

74
Q

What is a positive benefit of Plank and beam Construction

A

Reduces volume of concealed spaces in which fire can burn shielded from hose stream

75
Q

Many churches and similar buildings with high Open Spaces are built of

A

Rigid laminated wood frames or arches and heavy plank roofs

76
Q

Any intermediate structure such a sacristy or robing room should be what because of their particular hazard

A

Sprinklered or built of non-combustible construction

77
Q

Hammer beam Truss is used in

A

Churches and other Monumental Gothic structures

78
Q

Trusses are most often used as

A

Beams

79
Q

Composed of 2x4 in pieces of wood, piece together and subsequently joined together with light gauge galvanized steel gusset plates

A

Lightweight wood truss

80
Q

Contains a series of small 3/8 in teeth that are pressed into wood surface

A

Steel gusset plates (gang nails)

81
Q

lightweight wood truss that uses finger joints and adhesives such as phenol and resorcinol formaldehydes, are mainly held together by

A

Friction and glue

82
Q

Built of small cross-section of wood with high surface to mass ratio characteristics of kindling

A

Lightweight wood truss floors

83
Q

Lightweight wood truss floors can not only collapse early but the void is also a reservoir for

A

Carbon monoxide (CO)

84
Q

During a fire the presence of truss floors may be disclosed by smoke or fire pushing through

A

Wall at the floor line (less likely in a brick veneer building)

85
Q

Wood truss floors lack what that is present in a legacy Construction meaning that fire department’s roof ladder hooks will hang on the roof deck sheathing rather than beam

A

Ridge pole

86
Q

During construction of lightweight wood truss roofs the roof trusses must be temporarily held a wrecked by use of wood slats to tie them together meaning

A

Roof itself holds roof trusses up right

87
Q

When attempting to ventilate a lightweight wood truss roof it must be performed using

A

Aerial device such as Tower ladder

88
Q

Floor sealing void not high enough to be called an attic

A

Truss void or trussloft

89
Q

Joisted floor found in Legacy construction has one tremendous advantage over the truss

A

Each joist acts as a fire stop; area of void is limited

90
Q

Uses of trusses provides a huge increase in the volume of

A

Concealed voids in structure

91
Q

General rule is that any exposure in which product of concentration (PPM) x duration (mins) equals what is likely to be dangerous

A

= 33,000

92
Q

A 10-minute exposure to how much of CO would be hazardous and possibly incapacitating

A

3500 ppm

93
Q

12,500 ppm of CO can be

A

Fatal after a few breaths

94
Q

flammability range and ignition temperature of CO

A

Flammability range= 12.5-74%
Ignition temperature= 1128*F

95
Q

When an ideal mixture of CO an air is present a detonation can result; usually appears as a huge sudden burst of flames known as

A

Deflagration

96
Q

When trusses are extended out either as cantilevers or as continuous beams to support balcony that is the only exit for occupants and only access point for the fire department where the trust passes over exterior wall fire stopping or draftstopping is in the form of what

A

Sheet of gypsum board buttered into place

97
Q

Standard for the installation of sprinkler system and low-rise residential occupancies

A

NFPA 13R

98
Q

Purpose of the system is to prevent flashover save lives and permit occupants to escape; partial systems and should not be expected to provide fire suppression or control

A

Residential sprinkler systems

99
Q

Residential sprinkler systems only cover selected portions of occupied spaces such as

A

Bathrooms under 55 ft^2
Closet under 24 ft^2
Balconies are not protected

100
Q

What places found in lightweight wood frame structures are not protected by residential sprinkler systems

A

Unoccupied attics and floor void spaces

CGFD (16 decks)

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