1. Timber Wall Framing
Class Exercise 2

2. Reference Material
A.S (2006) Non Cyclonic

3. 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

4. Wall Frame. (Supporting Conventional Roof Framing)
Determine the most economical size, span & spacing of the following members
Bottom Wall plate – not trenched.
Top Wall plate – not trenched (to support 600mm c/c)
Common Studs at 600mm c/c (not notched for erection bracing)
Noggings
Jamb Studs (studs at sides of openings)
Lintels
Eaves Beams (Verandah Beams)
Tie down spacing 1.800

5. Use Preliminary Calculations from Roofing exercise 2.
Summary
RLW Rafter = say 2.100
RLW Eaves = 0.788
Purlin Set out = 1.872
Half spread fan strut = 0.671
Fan Strut Length = 0.931

6. Roofing Class Exercise 2
Floor Plan
Same as
Roofing Class Exercise 2

7. For roof mass use Table B1.1 p.219
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
60Kg/m
B1.1
Brick veneer
2.700m
For roof mass use Table B1.1 p.219
Check Preliminary Calcs for rafter RLW & Eaves RLW

8. Calculate Eaves Overhang – Eaves RLW
0.150
0.600
TL O/Hang =
COS 18
= m
0.788m
RLW Eaves = 0.788m

9. Eaves RLW from preliminary calcs. = 0.788m
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
60Kg/m
B1.1
Brick veneer
2.700m
0.788m
Eaves RLW from preliminary calcs. = 0.788m

10. S ay 3.000 RLW = Span + Overhang 2.064m + .788 = 2.852
Calculate Common Rafter Span - RLW
4.127
Span = 4.127 2
= m
2.064
RLW = Span + Overhang
2.064m = 2.852
S ay 3.000

11. B1.1 Brick veneer 2.700m 0.788m 3.000m 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
10Kg/m
B1.1
Brick veneer
2.700m
0.788m
3.000m

12. Fill in Comments Column
2. Find information for Common Studs (rules & supp. Table)
Member
Rule / Table
Size
Comments
Common Studs R T
Stud Height
Stud Centers
Studs Notched
Rafter Spacing
2.700
0.600
90 x 35
Not notched
0.600m 7
Fill in Comments Column
Refer page 59, rule (Building Practice) Common Studs.
Refer page 66, rule (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 x 35 (from table 7)
Plan shows 100mm wide walls – will use 90 x 35 as per A.S Table 7

13. Refer page 62, rule 6.2.1.5 (Building Practice) Noggings.
3. Find information for Noggings (rules & supp. Table)
Member
Rule / Table
Size
Comments
Noggings R
Spacing
Refer page 62, rule (Building Practice) Noggings.
Check spacing requirements

14. 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.

15. Refer page 62, rule 6.2.1.5 (Building Practice) Noggings.
3. Find information for Noggings (rules & supp. Table)
Member
Rule / Table
Size
Comments
Noggings R
Spacing
1.350m
90 x 35
Refer page 62, rule (Building Practice) Noggings.
Check spacing requirements
Spacing of noggings = 1.350m max.
Size for Noggings = same as for common studs, 90 x 35

16. information for Studs at sides of Openings (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Studs at sides of openings 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 11
Refer page 59, rule (Building Practice) Common Studs.
Refer page 68, rule (Member sizes) Jamb Studs.
Refer Supp. 6, Table 11 Jamb Studs – Tile Roof
Refer to window schedule for Opening Widths

17. Window Schedule: Window W W7 Bedroom 1 0.970 W8 Bedroom 1 0.530
W3 Bath
W2 WC
W1 Laundry
W4 Kitchen
W10 Dining
W9 Lounge
W11-D6 Family
W6 Ensuite
W14-D15 W/shop
D1 Entry

18. Fill in Opening Width information
Member
Rule / Table
Size
Comments
Studs at sides of openings 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
0.530
1.690
1.690
0.970 11
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

19. Table 11, supp.6
MGP 15
2006
RLW (3.000)
Tile Roof
Use Column

20. Jamb Studs for W7 Will be 90 x 35 Each side of opening W7 Bedroom 1
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

21. Window 7 – studs at sides of openings = 2/90 x 35
Member
Rule / Table
Size
Comments
Studs at sides of openings 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
2/90 x35
0.970
90 x 35
0.530
2/90 x 35
1.690
2/90 x 35
1.690
2/90 x 35
0.970 11
90 x 35
0.850
2/90 x 35
0.970
1.930
2/90 x 35
2.330
2/90 x 35
2/90 x 35
2.770
2/90 x 45
3.610
2/90 x 35
0.970
2/90 x 35
2.530
90 x 35
0.900
Window 7 – studs at sides of openings = 2/90 x 35
Fill in remaining stud information using Table 11.
Next – Size Top & Bottom Plates

22. 5. Find information for Top Plates (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Top Plates R T
Top Plate
RLW
Tie Down Spacing
Single storey Tie Roof
6.3.4
3.000m 16
1.800m
Fill in Comments Column
Refer page 62, rule (Building Practice) Plates General.
Refer page 73, rule (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

23. Top Plate Size = 35 x 90 RLW = 3.000m Rafter Spacing = 0.600m
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

24. 5. Find information for Top Plates (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Top Plates R T
Top Plate
RLW
Tie Down Spacing
Single storey Tile Roof
6.3.4
35 x 90
3.000m 16
1.800m
Fill in Comments Column
Refer page 62, rule (Building Practice) Plates General.
Refer page 73, rule (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

25. 6. Find information for Bottom Plates (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Bottom Plates R T
Bottom Plate
RLW
Rafter Spacing
Single storey Tile Roof
6.3.3
3.000m 14
0.600m
Fill in Comments Column
Refer page 62, rule (Building Practice) Bottom Plates.
Refer page 72, rule (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.

26. Use 35 x 90 Bottom Plates Check Note 2 – Table 14
2006
Use 35 x 90 Bottom Plates
Check Note 2 – Table 14
For plate thickness if
Walls are on Concrete Slabs.

27. 6. Find information for Bottom Plates (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Bottom Plates R T
Bottom Plate
RLW
Rafter Spacing
Single storey Tile Roof
35 x 90
6.3.3
3.000m 14
0.600m
Fill in Comments Column
Refer page 62, rule (Building Practice) Bottom Plates.
Refer page 72, rule (Member Sizes) Bottom Plates.
Check Table 14 for size of Bottom Plates.
Enter Size for Bottom Plates

28. 7. Find information for Lintels (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Lintels 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 18
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 (Building Practice) Openings.
Refer page 75, rule (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.

29. RLW = 3.000m Rafter spacing = 0.600m Use column for Max. Lintel Span
2006
RLW = 3.000m
Rafter spacing = 0.600m
Use column for
Max. Lintel Span

30. Size remaining Lintels
2006
W7 Bedroom 1
Lintel span = 0.970
Lintel Size for
W9 = 90 x 35
Size remaining Lintels

31. Complete entering remaining Lintel sizes using Table 18
Member
Rule / Table
Size
Comments
Lintels 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
35 x 90
0.530
6.3.6
120 x 45
1.690
120 x 45
1.690 18
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
35 x 90
0.900
Enter Lintel size for W7 Bedroom 1 (90 x 35).
Complete entering remaining Lintel sizes using Table 18

32. 8. Find information for Eaves Beams (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Eaves Beams 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)

33. Garage opening span = 2.770
Porch Span = 2.110

34. 8. Find information for Eaves Beams (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Eaves Beams R T
Location Span
RLW
Porch (Front entry)
Garage (At Roller Door)
6.3.7
3.000
6.3.6
2.110 18
2.770
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 (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.

35. RLW = 3.000 Rafter Spacing = 0.600 Beam Span = 2.110
2006
RLW = 3.000
Rafter Spacing = 0.600
Beam Span = 2.110
Beam Size = 170 x 35

36. 8. Find information for Eaves Beams (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Eaves Beams R T
Location Span
RLW
Porch (Front entry)
Garage (At Roller Door)
6.3.7
3.000
6.3.6
170 x 35
2.110 18
2.770
Find: Rule 6.3.7, page 78, Verandah Beams (Plates)
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 (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

37. 8. Find information for Eaves Beams (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Eaves Beams R T
Location Span
RLW
Porch (Front entry)
Garage (At Roller Door)
6.3.7
6.3.6
3.000 18
170 x 35
2.110
T A
2.770
Now use Rule 6.3.7, page 77, Verandah Beams (Plates) to size Beam to Garage
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.

38. Possible Beam Size to Garage with 70mm tolerance Opening = 190 x 45
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

39. Beam Size to Garage Opening = 240 x 45 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

40. 8. Find information for Eaves Beams (Rules & Supp. Table No.)
Member
Rule / Table
Size
Comments
Eaves Beams R T
Location Span
RLW
Porch (Front entry)
Garage (At Roller Door)
6.3.7
6.3.6
2.100 18
170 x 35
2.110
T A
240 x 45
2.770
Now use Rule 6.3.7, page 78, Verandah Beams (Plates) to size Beam to Garage
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

41. Exercise 2 – Wall Framing Complete