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Builder Registration > 1684.4 > Flashcards

1684.4 Flashcards

1
Q

Maximum number of storeys of a timber frame?

A

2

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2
Q

What is the maximum width of a building?

A

12000m

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3
Q

Maximum rafter overhang?

A

750mm

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4
Q

Name 6 different roof types

A

Hip
Gable
Skillion
Cathedral
Trussed
Pitched

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5
Q

Offset permissible when Frame sitting on joist not over bearer?

A

Offset = 1.5 x D of joist

Copy page 13 AS1684

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6
Q

Minimum bearing requirements? Single span and continuous span

A

30mm at an end or 60mm continuous span

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7
Q

Stress Grades - Cypress

A

F5 or F7

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8
Q

Stress Grades - Unseasoned Hardwood

A

F11, F8 or F14

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9
Q

Stress Grades - Seasoned Hardwood

A

F17, F27 joists and beams only

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10
Q

Stress Grades - Seasoned Softwood

A

F5, F8 (studs and plates only) and MGP 10 and MGP 12

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11
Q

Stress Grades - Oregon

A

F5 and F7

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12
Q

Joist bearing requirements?

A

Minimum 30mm bearing for each joist and minimum length of lap is 3 x joist depth

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13
Q
A
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14
Q

Stud lamination requirements for 90 x 35 and for 90 x 45

A

35mm - 1 x 75mm nail @ 600mm centres

45mm - 1 x 90mm nail @ 600mm centres

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15
Q

What is the minimum overlap join from top plate and ribin plate?

A

1200mm centres

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16
Q

What is the minimum bearing on a bearer?

A

50mm

17
Q

Minimum bearing requirements for a joist?

A

30mm

18
Q

What is the minimum length lap of a flooring joist?

A

3 x joist depth

19
Q

What is defined as a deep joist?

A

Depth of a joist is 4 x width

20
Q

What is defined as a deep joist?

A

Depth of a joist is 4 x width

21
Q

What blocking is required for deepened joists spanning over 3m?

A

End blocking over plate or bearer at 1800mm centres max
Joists spanning greater than 3m requires mid blocking at 1800mm

22
Q

What is the maximum sized hole allowed in a stud?

A

25mm

23
Q

Maximum hole in a top or bottom plate of a NLB wall and non braced wall?

A

60mm

24
Q

What is the maximum allowable notch in a stud?

A

20mm

25
Q

Maximum distance between lintel and window?

A

15mm

26
Q

How much bigger than the span tables may a lintel opening be?

A

70mm

27
Q

How much is an allowable check in for a birdsmouth?

A

1/3 of rafter depth

28
Q

What is the allowable cantilever on a gable end?

A

Twice the back span

29
Q

During construction what % of the final bracing is required?

A

60%

30
Q

Type A & Type B Bracing unit values?

A

Type A = 1
Type B = 2

31
Q

How much bigger are bolt holes to bolts for
-Seasoned Timber
-Unseasoned Timber
-Steel

A

Seasoned Timber - 2-3mm
Unseasoned Timber - 1 - 2mm
Steel - .5mm

32
Q
A

Builder Registration (28 decks)

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