AS 1684 SUPP 4-1992

1 - AS 1684-1992 NATIONAL TIMBER FRAMING CODE
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 REFERENCED DOCUMENTS
7 - 1.3 USE OF ALTERNATIVE MATERIALS OR METHODS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Coupled roof
7 - 1.4.2 Deep-joisted floors
7 - 1.4.3 Grade
7 - 1.4.4 Stress grade
7 - 1.4.5 Mechanically stress-graded timber
7 - 1.4.6 Visually stress-graded timber
7 - 1.4.7 Spacing
7 - 1.4.8 Span
7 - 1.4.9 Continuous span members
10 - 1.4.10 Rafter span
10 - 1.4.11 Stud height
10 - 1.4.12 Two-storey construction
10 - 1.4.13 Non-load-bearing wall
10 - 1.4.14 Load-bearing wall
10 - 1.5 DESIGN
10 - 1.5.1 Design criteria
10 - 1.5.2 Design basis
10 - 1.5.3 Design loads
11 - 1.6 CLASSIFICATION OF ROOFING
11 - 1.7 LONG SPAN AND CONTINUOUS SPAN MEMBERS
11 - 1.7.1 Long span members
11 - 1.7.2 Continuous span members
11 - 1.8 TABLES
11 - 1.8.1 Tables of spans and spacing for stress grade
11 - 1.8.2 Use of tables for two storey construction
11 - 1.8.3 Interpolation in use of tables
11 - 1.8.4 Interchanging hardwood and softwood tables
12 - 1.8.5 Application of tables to design gust wind speeds higher than 33m/s
12 - 1.9 VERTICAL LAMINATION
12 - 1.10 STORAGE AND HANDLING OF TIMBER
12 - 1.11 MATERIALS
12 - 1.11.1 Timber
13 - 1.11.2 Particle board
13 - 1.11.3 Structural plywood
13 - 1.11.4 Wood block parquetry flooring
13 - 1.11.5 Wood mosaic parquet flooring
13 - 1.11.6 Finger-jointed structural members
14 - SECTION 2 SUBSTRUCTURE
14 - 2.1 SITE PREPARATION
14 - 2.2 PROTECTION OF TIMBER IN SERVICE
14 - 2.2.1 Ventilation of subfloor spaces
14 - 2.2.2 Termite protection
14 - 2.2.3 Durability classes
14 - 2.3 FOUNDATIONS
15 - 2.4 FOOTINGS
15 - 2.4.1 General
16 - 2.4.2 Timber sole plates
16 - 2.4.3 Sizes of footings and sole plates
16 - 2.5 TIMBER STUMPS AND POSTS
16 - 2.5.1 General
17 - 2.5.2 Timbers in contact with ground
17 - 2.5.3 Timbers not in contact with ground
17 - 2.5.4 Lateral stability
20 - SECTION 3 TIMBER FLOOR FRAMING AND FLOORING
20 - 3.1 SCOPE OF SECTION
20 - 3.2 MEMBER SIZES
20 - 3.2.1 Bearers
20 - 3.2.2 Joists
20 - 3.3 PERFORMANCE OF FLOOR TIMBERS
20 - 3.3.1 Protection and durability of floor timbers
20 - 3.3.2 Shrinkage of floor framing
20 - 3.4 DRILLING AND NOTCHING OF MEMBERS
21 - 3.5 FLOOR BEARERS
21 - 3.5.1 General requirements
23 - 3.5.2 Location of bearers
23 - 3.6 FLOOR JOISTS
23 - 3.6.1 General requirements
24 - 3.6.2 Deep-joisted floors
24 - 3.6.3 Floor joists under walls
26 - 3.7 OFFSET AND CANTILEVERED FLOOR JOISTS AND BEARERS
26 - 3.7.1 Under offset walls
26 - 3.7.2 Balconies
26 - 3.8 OPENINGS IN FLOORS
26 - 3.8.1 Joints between members
26 - 3.8.2 Trimming of openings
26 - 3.9 FLOORING
26 - 3.9.1 Types of flooring
26 - 3.9.2 Moisture content
26 - 3.9.3 Flooring systems
28 - 3.9.4 Structural strip flooring
29 - 3.9.5 Structural plywood sheet flooring
30 - 3.9.6 Particle board sheet flooring
30 - 3.9.7 Non-structural flooring
31 - SECTION 4 TIMBER WALL FRAMING
31 - 4.1 GENERAL
31 - 4.1.1 Erection
31 - 4.1.2 Effective roof length (EL)
31 - 4.1.3 Effect of eaves overhang
31 - 4.2 WALL PLATES
31 - 4.2.1 Size and grade
31 - 4.2.2 Joining of plates
31 - 4.2.3 Local stiffening of plates
33 - 4.2.4 Trenchings or housings for studs
33 - 4.3 STUDS
33 - 4.3.1 General
33 - 4.3.2 Straightening of studs
34 - 4.3.3 Housing, notching or drilling
35 - 4.3.4 Studs at wall junctions
36 - 4.3.5 Studs at sides of openings
37 - 4.3.6 Studs supporting concentrations of loading
37 - 4.3.7 Studs for gable or skillion ends
38 - 4.4 LINTELS TO OPENINGS
38 - 4.5 EAVES BEAMS AND VERANDAH PLATES
38 - 4.6 VERANDAH POSTS
38 - 4.7 NOGGINGS
38 - 4.8 TEMPORARY BRACING OF STUD WALLS
38 - 4.9 PERMANENT BRACING OF STUD WALLS
38 - 4.9.1 General
41 - 4.9.2 Building geometry
41 - 4.9.3 Fixing of bracing units to sub-floor
41 - 4.9.4 Fixing of bracing units to ceiling or roof framing
41 - 4.9.5 Type A bracing unit
44 - 4.9.6 Type B bracing unit
46 - 4.9.7 Minimum number and distribution of bracing units
48 - 4.10 FRAMING AROUND CHIMNEYS AND FLUES
48 - 4.11 CLADDING, LININGS AND JOINERY
48 - 4.12 INSULATION AND SARKING
51 - 4.13 NON LOAD-BEARING INTERNAL WALLS
53 - SECTION 5 TIMBER ROOF FRAMING
53 - 5.1 SCOPE OF SECTION
53 - 5.2 COUPLED ROOFS
53 - 5.3 CONVENTIONAL HIPPED AND GABLED ROOFS
53 - 5.3.1 Wall plates
53 - 5.3.2 Ceiling joists
54 - 5.3.3 Hanging beams
55 - 5.3.4 Common rafters
55 - 5.3.5 Ridge boards
55 - 5.3.6 Hip rafters
56 - 5.3.7 Valley rafters
57 - 5.3.8 Valley boards
57 - 5.3.9 Hip and valley rafter overhangs
57 - 5.3.10 Under purlins
57 - 5.3.11 Roof strutting
62 - 5.3.12 Collar ties
63 - 5.3.13 Lateral bracing to tops of external walls
63 - 5.3.14 Wind bracing
63 - 5.3.15 Eaves constructions
64 - 5.3.16 Gable or verge construction
64 - 5.3.17 Roofing battens
64 - 5.4 PURLINS
64 - 5.5 ROOF BEAMS
64 - 5.5.1 General
64 - 5.5.2 Birdsmouthed roof beams
64 - 5.6 NON-TRAFFICABLE ROOFS
65 - 5.7 ROOFING MATERIAL GROUPS
67 - SECTION 6 FIXING REQUIREMENTS
67 - 6.1 SCOPE OF SECTION
67 - 6.2 METHOD OF NAILING
67 - 6.2.1 General
67 - 6.2.2 Skew nailing
67 - 6.3 DIAMETER OF NAILS
67 - 6.4 PENETRATION OF NAILS
67 - 6.5 GENERAL FIXING REQUIREMENTS
67 - 6.6 SPECIFIC TIE-DOWN REQUIREMENTS
67 - 6.6.1 General
67 - 6.6.2 Procedure
67 - 6.6.3 Rafter fixing at ridge
73 - 6.7 VERTICALLY LAMINATED BEAMS
74 - 6.8 ALTERNATIVE METHODS OF FIXING
74 - 6.9 CORROSION PROTECTION
75 - APPENDIX A - LIST OF REFERENCED DOCUMENTS
76 - APPENDIX B - STORAGE AND HANDLING OF TIMBER
76 - B1 GENERAL
76 - B2 FRAMING TIMBERS
76 - B2.1 Unseasoned framing material
76 - B2.2 Seasoned framing material
76 - B3 FLOORING, CLADDING AND MOULDINGS
76 - B4 JOINERY
77 - APPENDIX C - SITE PREPARATION
77 - C1 GENERAL
77 - C2 SITE DRAINAGE
77 - C3 DEAD TREES, TREE STUMPS AND WOOD DEBRIS
77 - APPENDIX D - AUSTRALIAN STANDARDS APPLICABLE TO TIMBER FLOORING
78 - APPENDIX E - GUIDANCE ON PLATFORM FLOOR CONSTRUCTION
78 - E1 EXPOSURE TO WEATHER
78 - E2 COVERED AND UNCOVERED FLOORS
78 - E3 FLOOR PROTECTION
78 - E4 FLOOR DRAINAGE
79 - APPENDIX F - EXAMPLE OF BRACING REQUIREMENTS FOR BUILDING
79 - F1 SCOPE
81 - F2 CALCULATION OF NUMBER OF BRACING UNITS
81 - F2.1 General
81 - F2.2 Procedure
81 - F2.3 Calculations
86 - APPENDIX G - STRENGTH OF TIE-DOWN DETAILS
96 - APPENDIX H - EXAMPLE OF SPECIFIC TIE-DOWN REQUIREMENTS FOR SHEET ROOFS
96 - H1 SCOPE
96 - H2 BATTENS TO TRUSSES
96 - H3 TRUSS TO TOP PLATE
96 - H4 TOP PLATE TO STUD AND STUD TO BOTTOM PLATE
96 - H5 BOTTOM PLATE TO SLAB
98 - APPENDIX I - SUMMARIES OF FIXING AND TIE-DOWN REQUIREMENTS
98 - I1 SCOPE
105 - INDEX
107 - NATIONAL TIMBER FRAMING CODE SUPPLEMENTS (0, 2 to 5, 9, 15)
107 - AS 1684 Supp0-1992 GENERAL INTRODUCTION AND INDEX (SUPPLEMENT TO AS 1684-1992)
109 - GENERAL INTRODUCTION
111 - AS 1684 Supp2-1992 TIMBER FRAMING SPAN TABLES-UNSEASONED TIMBER-STRESS GRADE F5 ....
137 - AS 1684 Supp3-1992 TIMBER FRAMING SPAN TABLES-UNSEASONED TIMBER-STRESS GRADE F7 .....
162 - AS 1684 Supp4-1992 TIMBER FRAMING SPAN TABLES-UNSEASONED TIMBER-STRESS GRADE F8 .....
188 - AS 1684 Supp5-1992 TIMBER FRAMING SPAN TABLES-UNSEASONED TIMBER-STRESS GRADE F11.....
216 - AS 1684 Supp9-1992 TIMBER FRAMING SPAN TABLES-SEASONED SOFTWOOD-STRESS GRADE F5.....
240 - AS 1684 Supp15-1992 TIMBER FRAMING SPAN TABLES-SEASONED HARDWOOD-STRESS GRADE F17...