Reference Material

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Reference Material
A.S. 1684.2 (2006) Non Cyclonic
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Details

• Floor Plan Same as Roofing Class Exercise 2

• Brick Veneer Construction

• Roof Pitch 180

• Cement Tile Roofing 60Kg/m2

• Eaves Width 600mm

• Floor to Ceiling Height 2.700m

• Wall Framing Seasoned Softwood MGP 15

• Concrete Raft Floor Slab

• Wind Classification N3

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Wall Frame. (Supporting Conventional Roof
Framing)
Determine the most economical size, span
spacing of the following members

1. Bottom Wall plate not trenched.
2. Top Wall plate not trenched (to support rafters
   _at_ 600mm c/c)
3. Common Studs at 600mm c/c (not notched for
   erection bracing)
4. Noggings
5. Jamb Studs (studs at sides of openings)
6. Lintels
7. Eaves Beams (Verandah Beams)
8. Tie down spacing 1.800

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Use Preliminary Calculations from Roofing
exercise 2.

• Summary
• RLW Rafter 2.064 say 2.100
• RLW Eaves 0.788
• Purlin Set out 1.872
• Half spread fan strut 0.671
• Fan Strut Length 0.931

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1. Fill in General Information from Prelim.
Calcs Specification
Member Rule / Table Size Comments
Timber Species Timber Grade Supplement Number Roof Mass Table Type of Const. Floor / Ceiling Height Eaves Overhang RLW
S/softwood
MGP 15
6 - N3
B1.1
60Kg/m
Brick veneer
2.700m
For roof mass use Table B1.1 p.219
Check Preliminary Calcs for rafter RLW Eaves
RLW
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Member Rule / Table Size Comments
Timber Species Timber Grade Supplement Number Roof Mass Table Type of Const. Floor / Ceiling Height Eaves overhang RLW
S/softwood
MGP 15
6 - N3
B1.1
60Kg/m
Brick veneer
2.700m
0.788m
Eaves RLW from preliminary calcs. 0.788m
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Member Rule / Table Size Comments
Timber Species Timber Grade Supplement Number Roof Mass Table Type of Const. Floor / Ceiling Height Eaves RLW RLW
S/softwood
MGP 15
6 - N3
B1.1
10Kg/m
Brick veneer
2.700m
0.788m
3.000m
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2. Find information for Common Studs (rules
supp. Table)
Member Rule / Table Size Comments
Common Studs R R T Stud Height Stud Centers Studs Notched Rafter Spacing
2.700
6.2.1.2
0.600
90 x 35
6.3.2.1
Not notched
0.600m
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Fill in Comments Column
Refer page 59, rule 6.2.1.2 (Building Practice)
Common Studs.
Refer page 66, rule 6.3.2.1 (Member Sizes) Common
Studs.
Refer Supp. 6, Table 7 Common Studs Single
Storey not notched, 600mm c/c, Tile roof, 2.700m
Height, 0.600m Rafter spacing, RLW of 3000
Select stud size - 90 x 35 (from table 7) Plan
shows 100mm wide walls will use 90 x 35 as per
A.S. 1684.2 Table 7
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3. Find information for Noggings (rules supp.
Table)
Member Rule / Table Size Comments
Noggings R Spacing
6.2.1.5
Refer page 62, rule 6.2.1.5 (Building Practice)
Noggings.
Check spacing requirements
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• Wall studs shall have continuous rows of
  noggings at 1350 mm maximum centres
  (see Figure 6.6).
• Noggings are not required to be stress graded.
• Nogging thickness shall be a minimum of 25 mm
  and shall be suitable for the proper fixing of
  cladding and linings.
• Noggings shall be installed either centrally in
  the depth of the studs or flush with one face of
  the stud in order to provide fixing or support to
  cladding or linings. Stagger in the row of
  noggings shall not be greater than twice the
  nogging breadth.

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3. Find information for Noggings (rules supp.
Table)
Member Rule / Table Size Comments
Noggings R Spacing
1.350m
6.2.1.5
90 x 35
Refer page 62, rule 6.2.1.5 (Building Practice)
Noggings.
Check spacing requirements
Spacing of noggings 1.350m max.
Size for Noggings same as for common studs, 90
x 35
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1. information for Studs at sides of Openings
   (Rules Supp. Table No.)

Member Rule / Table Size Comments
Studs at sides of openings R R T Window/Door Opening Width W7 Bedroom 1 W8 Bedroom 1 W12 Bedroom 2 W13 Bedroom 3 W3 Bath W2 WC W1 Laundry W4 Kitchen W10 Dining W9 Lounge W11-D6 Family W6 Ensuite W14-D15 W/shop D1 Entry
6.2.1.2
6.3.2.3
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Refer page 59, rule 6.2.1.2 (Building Practice)
Common Studs.
Refer page 68, rule 6.3.2.3 (Member sizes) Jamb
Studs.
Refer Supp. 6, Table 11 Jamb Studs Tile Roof
Refer to window schedule for Opening Widths
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Window Schedule
Window W W7 Bedroom 1 0.970 W8 Bedroom
1 0.530 W12 Bedroom 2 1.690 W13 Bedroom 3
1.690 W3 Bath 0.970 W2 WC
0.850 W1 Laundry 0.970 W4 Kitchen
1.930 W10 Dining 2.330 W9 Lounge
2.770 W11-D6 Family 3.610 W6 Ensuite
0.970 W14-D15 W/shop 2.530 D1 Entry 0.900
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Member Rule / Table Size Comments
Studs at sides of openings R R T Window/Door Opening Width W7 Bedroom 1 W8 Bedroom 1 W12 Bedroom 2 W13 Bedroom 3 W3 Bath W2 WC W1 Laundry W4 Kitchen W10 Dining W9 Lounge W11-D6 Family W6 Ensuite W14-D15 W/shop D1 Entry
0.970
6.2.1.2
0.530
1.690
6.3.2.3
1.690
0.970
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0.850
0.970
1.930
2.330
2.770
3.610
0.970
2.530
0.900
Fill in Opening Width information
Go to Table 11 of supplements to size studs to
suit opening widths
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Table 11, supp.6 MGP 15
2006
RLW (3.000)
Tile Roof
Use Column
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2006
Jamb Studs for W7 Will be 90 x 35 Each side of
opening
W7 Bedroom 1 Width 0.970 Height 2.700
Go back fill in Stud sizes for other openings
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Member Rule / Table Size Comments
Studs at sides of openings R R T Window/Door Opening Width W7 Bedroom 1 W8 Bedroom 1 W12 Bedroom 2 W13 Bedroom 3 W3 Bath W2 WC W1 Laundry W4 Kitchen W10 Dining W9 Lounge W11-D6 Family W6 Ensuite W14-D15 W/shop D1 Entry
6.2.1.2
0.970
2/90 x35
0.530
90 x 35
1.690
6.3.2.3
2/90 x 35
1.690
2/90 x 35
0.970
2/90 x 35
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0.850
90 x 35
0.970
2/90 x 35
1.930
2/90 x 35
2.330
2/90 x 35
2.770
2/90 x 35
3.610
2/90 x 45
0.970
2/90 x 35
2.530
2/90 x 35
0.900
90 x 35
Window 7 studs at sides of openings 2/90 x
35
Fill in remaining stud information using Table 11.
Next Size Top Bottom Plates
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5. Find information for Top Plates (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Top Plates R R T Top Plate RLW Tie Down Spacing
Single storey Tie Roof
6.2.2.1
3.000m
6.3.4
1.800m
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Fill in Comments Column
Refer page 62, rule 6.2.2.1 (Building Practice)
Plates General.
Refer page 73, rule 6.3.4 (Member Sizes) Top
Plates.
Refer Supp. 6, Table 16 Top Plates (Tile Roof
Single or Upper Storey).
Check Table 16 for size of Top Plates
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2006
Rafter Spacing 0.600m
Tie Down Spacing 1.800
Stud spacing 0.600
RLW 3.000m
Top Plate Size 35 x 90
35 x 90
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5. Find information for Top Plates (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Top Plates R R T Top Plate RLW Tie Down Spacing
Single storey Tile Roof
6.2.2.1
35 x 90
3.000m
6.3.4
1.800m
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Fill in Comments Column
Refer page 62, rule 6.2.2.1 (Building Practice)
Plates General.
Refer page 73, rule 6.3.4 (Member Sizes) Top
Plates.
Refer Supp. 6, Table 16 Top Plates (Tile Roof
Single or Upper Storey).
Check Table 16 for size of Top Plates
Enter Size for Top Plates
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6. Find information for Bottom Plates (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Bottom Plates R R T Bottom Plate RLW Rafter Spacing
Single storey Tile Roof
6.2.2.2
3.000m
6.3.3
0.600m
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Fill in Comments Column
Refer page 62, rule 6.2.2.2 (Building Practice)
Bottom Plates.
Refer page 72, rule 6.3.3 (Member Sizes) Bottom
Plates.
Refer Supp. 6, Table 14 Bottom Plates (Tile Roof
Single or Upper Storey).
Check Table 14 for size of Bottom Plates.
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2006
Use 35 x 90 Bottom Plates
Check Note 2 Table 14 For plate thickness if
Walls are on Concrete Slabs.
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6. Find information for Bottom Plates (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Bottom Plates R R T Bottom Plate RLW Rafter Spacing
Single storey Tile Roof
6.2.2.2
35 x 90
3.000m
6.3.3
0.600m
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Fill in Comments Column
Refer page 62, rule 6.2.2.2 (Building Practice)
Bottom Plates.
Refer page 72, rule 6.3.3 (Member Sizes) Bottom
Plates.
Check Table 14 for size of Bottom Plates.
Enter Size for Bottom Plates
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7. Find information for Lintels (Rules Supp.
Table No.)
Member Rule / Table Size Comments
Lintels R R T Window/Door Opening Width W7 Bedroom 1 W8 Bedroom 1 W12 Bedroom 2 W13 Bedroom 3 W3 Bath W2 WC W1 Laundry W4 Kitchen W10 Dining W9 Lounge W11-D6 Family W6 Ensuite W14-D15 W/shop D1 Entry
6.2.3
0.970
0.530
6.3.6
1.690
1.690
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0.970
0.850
0.970
1.930
2.330
2.770
3.610
0.970
2.530
0.900
Fill in Opening Width information
Refer page 63, rule 6.2.3 (Building Practice)
Openings.
Refer page 75, rule 6.3.6 (Member Sizes) Lintels.
Refer Supp. 6, Table 18 Lintels (Tile Roof
Single or Upper Storey).
Go to Table 18 to Size Lintels to suit opening
widths.
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2006
RLW 3.000m
Rafter spacing 0.600m
Use column for Max. Lintel Span
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2006
W7 Bedroom 1 Lintel span 0.970
Lintel Size for W9 90 x 35
Size remaining Lintels
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Member Rule / Table Size Comments
Lintels R R T Window/Door Opening Width W7 Bedroom 1 W8 Bedroom1 W12 Bedroom 2 W13 Bedroom 3 W3 Bath W2 WC W1 Laundry W4 Kitchen W10 Dining W9 Lounge W11-D6 Family W6 Ensuite W14-D15 W/shop D1 Entry
6.2.3
90 x 35
0.970
0.530
35 x 90
6.3.6
1.690
120 x 45
120 x 45
1.690
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90 x 35
0.970
35 x 90
0.850
90 x 35
0.970
140 x 45
1.930
170 x 45
2.330
240 x 35
2.770
290 x 45
3.610
90 x 35
0.970
190 x 45
2.530
0.900
35 x 90
Enter Lintel size for W7 Bedroom 1 (90 x 35).
Complete entering remaining Lintel sizes using
Table 18
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8. Find information for Eaves Beams (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Eaves Beams R R T Location Span RLW Porch (Front entry) Garage (At Roller Door)
3.000
2.110
2.770
Fill in Comments Column (refer to plan for
porch garage opening spans)
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Porch Span 2.110
Garage opening span 2.770
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8. Find information for Eaves Beams (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Eaves Beams R R T Location Span RLW Porch (Front entry) Garage (At Roller Door)
6.3.7
3.000
6.3.6
2.110
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2.770
6.3.7 Verandah beams (plates) The size of
verandah beams shall be determined from Span
Tables 51A of the Supplements for single span and
continuous spans respectively. The ends of
beams, which are supported on stud walls, shall
be carried by jamb studs (with beams considered
as lintels) or posts.
Refer page 75, rule 6.3.6 (Member Sizes) Lintels.
Refer Supp. 6, Table 18 Lintels (Tile Roof
Single or Upper Storey).
Go to Table 18 to Size Lintel to suit opening
width for Porch Beam.
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2006
RLW 3.000
Rafter Spacing 0.600
Beam Span 2.110
Beam Size 170 x 35
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8. Find information for Eaves Beams (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Eaves Beams R R T Location Span RLW Porch (Front entry) Garage (At Roller Door)
6.3.7
3.000
6.3.6
2.110
170 x 35
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2.770
Find Rule 6.3.7, page 78, Verandah Beams
(Plates)
6.3.7 Verandah beams (plates) The size of
verandah beams shall be determined from Span
Tables 51A of the Supplements for single span and
continuous spans respectively. The ends of
beams, which are supported on stud walls, shall
be carried by jamb studs (with beams considered
as lintels) or posts.
Refer page 75, rule 6.3.6 (Member Sizes) Lintels.
Refer Supp. 6, Table 18 Lintels (Tile Roof
Single or Upper Storey).
Go to Table 18 to Size Lintel to suit opening
width for Porch Beam.
Enter Size for Porch Beam from table 18 170 x
35
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8. Find information for Eaves Beams (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Eaves Beams R R T Location Span RLW Porch (Front entry) Garage (At Roller Door)
6.3.7
6.3.6
3.000
18
2.110
170 x 35
T 51A
2.770
Now use Rule 6.3.7, page 77, Verandah Beams
(Plates) to size Beam to Garage
6.3.7 Verandah beams (plates) The size of
verandah beams shall be determined from Span
Tables 51A of the Supplements for single span and
continuous spans respectively. The ends of
beams, which are supported on stud walls, shall
be carried by jamb studs (with beams considered
as lintels) or posts.
Table 51A needs to be used to size Garage Beam as
this Beam is supported on Brick work at each end
and is sized as for a Verandah Beam Single Span.
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2006
Table 51A Single Span
RLW 3.000m
Rafter spacing 0.600
Beam Span 2.770
Tile Roof Load 60kg/m2
Possible Beam Size to Garage with
70mm tolerance Opening 190 x 45
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Table 51A Single Span
RLW 3.000m
Rafter spacing 0.600
Beam Span 2.770
Tile Roof Load 60kg/m2
Beam Size to Garage Opening 240 x 45
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8. Find information for Eaves Beams (Rules
Supp. Table No.)
Member Rule / Table Size Comments
Eaves Beams R R T Location Span RLW Porch (Front entry) Garage (At Roller Door)
6.3.7
6.3.6
2.100
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2.110
170 x 35
T 51A
2.770
240 x 45
Now use Rule 6.3.7, page 78, Verandah Beams
(Plates) to size Beam to Garage
6.3.7 Verandah beams (plates) The size of
verandah beams shall be determined from Span
Tables 51A of the Supplements for single span and
continuous spans respectively. The ends of
beams, which are supported on stud walls, shall
be carried by jamb studs (with beams considered
as lintels) or posts.
Table 51A needs to be used to size Garage Beam as
this Beam is supported on Brick work at each end
and is sized as for a Verandah Beam Single Span.
Enter Garage Beam size of 240 x 45
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Exercise 2 Wall Framing Complete