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Building inspector > Chapter 23 Design Requirements > Flashcards

Chapter 23 Design Requirements Flashcards

1
Q

Sawn lumber is…

A

Regular Wood

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2
Q

Sawn lumber complies with..

A

DOC PO 20 or equivalent

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3
Q

Sawn lumber inspection required if thickness is..

A

larger than 3 inches

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4
Q

Structural Glue-laminated timber complies with…

A

ANSI/APA 190.1 and ASTM D3737

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5
Q

Wood structural panels comply with

A

DOC PS 1, DOC PS 2, or ANSI/APA PRP 210

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6
Q

Wood structural panels where permanently exposed to outdoor shall be made of..

A

exterior type (if underside of roof sheathing its Exposure type 1)

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7
Q

Fiberboards complies with

A

ASTM C208

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8
Q

Hardboards comply with

A

ANSI A135.6

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9
Q

Hardboard underlayment strength requirements..

A

7/32 inch - 1/4 inch service class hardboard planned
or sanded on one side no less than .2 inches

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10
Q

Moisture content of lumber shall be

A

19 % or less

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11
Q

Particleboard shall comply with

A

ANSI A208.1

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12
Q

Particleboard floor underlayment shall be no less than..

A

1/4 inch thick

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13
Q

Preservative-treated wood shall comply with..

A

AWPA UI and M4

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14
Q

Fire retardant treated wood shall comply with…

A

ASTM E84 or UL723

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15
Q

Fire retardant treated wood fire test shall..

A

be 20 mins and shall not go more than 10 1/2 feet beyond centerline

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16
Q

Moisture Content in Wood structural panels

A

15% or less

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17
Q

Fire retardant treated wood when exposed to weather shall be identified as…

A

Exterior

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18
Q

Truss Design Drawing Requirements..

A

Section 2303.4

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19
Q

Truss members shall not be..

A

cut, drill, notched, or spliced unless approved by design professional

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20
Q

Nails used for framing and sheathing shall have minimum average bending yield strengths of…

A
  1. 80 kips per square inch for shank diameter
    of .177 inch - .254 inch
  2. 90 kips per square inch for shank diameter
    of .142 inch - .177 inch
  3. 100 kips per square inch for shank diameter
    of .099 inch - .142 inch
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21
Q

Studs shall have a full bearing on a…

A

1 1/2 inch or larger plate or sill shall have no less than equal to stud

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22
Q

Combustible fibers shall be around flues and chimneys no less than..

A

2 inches

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23
Q

Combustible fiber away from flue openings shall be atleast

A

6 inches

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24
Q

Sheathing nails or other approved sheathing connectors shall be…

A

driven so that their head or crown is flush with surface

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25
Q

Fasteners for Preservative-treated wood shall be…

A

hot-dipped zinc coated galvanized steel, stainless steel, silicon bronze, or copper

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26
Q

Connectors for Preservative-treated wood shall be…

A

ASTM A653, Type G185 zinc coated galvanized steel or equivalent

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27
Q

Fasteners for fire retardant treated wood in exterior or wet/damp locations

A

hot-dipped zinc coated galvanized steel, stainless steel, silicon bronze, or copper

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28
Q

Fasteners for fire retardant treated wood in interior

A

manufacturers recommendations

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29
Q

Sheet metal clamps, ties, or clips shall be form of..

A

galvanized steel and .0329 inch corrosive resistant at base

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30
Q

Where framing members are not continuous from the foundation sill to the roof…

A

the members shall be ensure a continuous load path

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31
Q

Wood joints or wood structural floors that are closer than 18 inches to the exposed ground in crawl spaces or unexcavated areas located within the perimeter of the building foundation shall be of

A

naturally durable or preservative treated wood

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32
Q

Wood girders that are closer than 12 inches to the exposed ground in crawl spaces or unexcavated areas located within the perimeter of the building foundation shall be of

A

naturally durable or preservative treated wood

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33
Q

Wood framing members, including wood sheathing in contact with exterior foundation wall and less than 8 inches from exposed earth shall be made of

A

naturally durable or preservative treated wood

34
Q

Wood framing members and furring strips in direct contact with the interior of exterior masonry or concrete walls below grade shall be of..

A

naturally durable or preservative treated wood

35
Q

Sleepers and sills on a concrete or masonry slab that is in direct contact with earth shall be…

A

naturally durable or preservative treated wood

36
Q

Clearance between Wood Siding and earth on the exterior of a building shall be no less than

A

6 inches
or 2 inches vertical from concrete steps, porch/patio slabs

37
Q

The ends of wood girders entering exterior masonry or concrete walls shall be provided with..

A

1/2 inch airspace on top, sides, and end

38
Q

Post and column supporting permanent structures and supported by a concrete/masonry slab or footing shall be…

A

be naturally durable or preservative treated wood

39
Q

Seismic Design Category

A

A and B - allow three stories
C - allow two stories
D and E - allow one story

40
Q

Maxiumum floor to floor height shall not exceed..

A

11 ft 7 inches

41
Q

Exterior bearing wall and interior braced wall heights shall not exceed a stud height of….

A

10 ft

42
Q

Foundation plates or sills shall be bolted or anchored to the foundation with no less than…

A

1/2 inch diameter steel bolts

43
Q

Anchored Bolts shall be embedded into concrete or masonry with no less than..

A

7 inches

44
Q

Anchored Bolts shall be located in..

A

middle third of the width of the foundation plate

45
Q

Anchor Bolts shall be spaced no more…

A

than 6ft on center

46
Q

Anchor Bolts shall be no less than two bolts or anchor straps for per piece with…

A

one bolt or anchor straps 4 - 12 inches from each other

47
Q

Sill plates along braced wall lines in Category D shall be anchored with no less than..

A

1/2 inch diameter anchor bolts with steel plate washers

48
Q

Steel plate washers dimensions shall be no less than..

A

.229 inch x 3 inch x 3 inch

49
Q

Sill plates along braced wall lines in Category E shall be anchored with no less than..

A

5/8 inch diameter anchor bolts with steel plate washers

50
Q

Girder for single story constructions shall be no less than…

A

4 inches by 6 inches for 6 feet or less

51
Q

girders shall be spaced no more than

A

8 feet on center

52
Q

The bearing at the end of each joist shall have not less than…

A

1 1/2 of bearing on wood or metal
3 inch of bearing on masonry

53
Q

Notches on the ends of joist shall not exceed…

A

1/4 of the joist depth

54
Q

Notches in top and bottom of joist shall not exceed…

A

1/6 of the depth

55
Q

Joist supporting bearing partitions shall not…

A

be offset from supporting girders, walls, or partitions

56
Q

Floor and ceiling framing with a nominal depth-to-thickness ratio shall be no less than….

A

5 to 1

57
Q

Studs shall be placed with their…

A

wide dimensions perpendicular to the wall

58
Q

How many studs should there be at each corner of an exterior wall?

A

No less 3 studs

59
Q

Bearing and exterior wall studs shall be capped with…

A

double top plates

60
Q

End joints in double plates shall be off set no less than…

A

48 inches

61
Q

Foundation cripple walls shall be framed with the same studs as?

A

The studing above

62
Q

Exterior cripple walls minimum length

A

14 inches or framed of solid blocking

63
Q

Exterior cripple walls exceeding 4 feet

A

shall have studs required for additional story

64
Q

What is required when a sole plate or top plate is cut to accommodate pipes for plumbing Or heating in walls?

A
  • a metal tie .058 inch and 1 1/2 inch in width fastened to each plate
  • each side of opening with no less than 16d nail
65
Q

In exterior walls and bearing partitions, a wood stud shall not be cut or notched in excess of…

A

25% of the its depth

66
Q

In non-bearing partitions, a wood stud shall not be cut or notched in excess of…

A

25% of its depth

67
Q

In non-bearing partitions, a wood stud shall not be cut or notched in excess of…

A

40% of its depth

68
Q

Bored holes in wood studs;
stud depth max.

A

40%

69
Q

Bored holes in wood studs;
stud depth max in nonbearing partitions.

A

60%

70
Q

The edge of the bored should be no closer than

A

5/8 inch to the edge of stud

71
Q

Where roof slope less than 25% members supporting rafters and ceiling joints shall be designed…

A

as beams

72
Q

Minimum nominal thickness of ridge board

A

1 inch at ridges

73
Q

Ceiling joists shall have a bearing surface of not less than…

A

1 1/2 inch on the top plate at each end

74
Q

Where ceiling joists are not parallel to rafters, rafter tie shall be spaced…

A

no more than 4 ft on center

75
Q

Rafter tie shall be spaced…

A

no more than 4ft on center

76
Q

Notching at the ends of rafters/ceiling joists shall not exceed…

A

1/4 the depth

77
Q

Trimmer and header rafters shall be doubled, or of lumber of equivalent, where the span of the header exceeds…

A

4ft

78
Q

The maximum span of 2x4 purlins shall be..

A

4ft

79
Q

The maximum span of 2x6 purlins shall be..

A

6ft

80
Q

Struts shall be no less than..

A

2 inch x 4 inch members

81
Q

The braced length of struts shall not exceed…

A

8ft

Building inspector (9 decks)

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