1 - AS 1684.4-1999 RESIDENTIAL TIMBER-FRAMED CONSTRUCTION - SIMPLIFIED - NON-CYCLONIC AREAS
4 - PREFACE
6 - CONTENTS
8 - SECTION 1 SCOPE AND GENERAL
8 - 1.1 SCOPE
8 - 1.2 APPLICATION
8 - 1.3 USE OF ALTERNATIVE MATERIALS OR METHODS
8 - 1.4 COMPANION DOCUMENTS
9 - 1.5 REFERENCED DOCUMENTS
9 - 1.6 LIMITATIONS
9 - 1.6.1 General
9 - 1.6.2 Wind classification
9 - 1.6.3 Plan
9 - 1.6.4 Number of storeys of timber framing
9 - 1.6.5 Width
11 - 1.6.6 Wall height
11 - 1.6.7 Rafter overhang
11 - 1.6.8 Roof pitch
11 - 1.6.9 Spacing
11 - 1.6.10 Roof types
11 - 1.6.11 Building masses
12 - 1.7 DESIGN CRITERIA
13 - 1.8 LOAD PATHS, OFFSETS AND CANTILEVERS
14 - 1.9 DURABILITY
14 - 1.10 DIMENSIONS
14 - 1.11 BEARING
15 - 1.12 STRESS GRADES
15 - 1.13 ENGINEERED TIMBER PRODUCTS
16 - 1.14 SIZE TOLERANCES
16 - 1.15 ALTERNATIVE TIMBER DIMENSIONS
17 - SECTION 2 TERMINOLOGY AND DEFINITIONS
17 - 2.1 GENERAL
17 - 2.2 TERMINOLOGY OF FRAMING MEMBERS
20 - 2.3 VERTICAL NAIL LAMINATION
21 - 2.4 STUD LAMINATION
22 - 2.5 HORIZONTAL NAIL LAMINATION-WALL PLATES ONLY
22 - 2.6 DEFINITIONS
22 - 2.6.1 Loadbearing wall
22 - 2.6.2 Non-loadbearing wall
22 - 2.6.3 Regulatory authority
22 - 2.6.4 Roofs
22 - 2.6.5 Span and spacing
25 - 2.6.6 Stress grade
25 - 2.6.7 Stud height
25 - 2.6.8 Two-storey
26 - SECTION 3 SUBSTRUCTURE
26 - 3.1 SCOPE
26 - 3.2 SITE PREPARATION AND DRAINAGE
26 - 3.3 GROUND CLEARANCES AND SUBFLOOR VENTILATION
26 - 3.4 TERMITE MANAGEMENT
26 - 3.5 SUBSTRUCTURE BRACING
26 - 3.6 SUBFLOOR SUPPORTS
26 - 3.6.1 General
26 - 3.6.2 Footing classification
27 - 3.6.3 Stumps or posts
28 - 3.6.4 Footing type support limitations
31 - SECTION 4 FLOOR FRAMING
31 - 4.1 GENERAL
31 - 4.1.1 Scope
31 - 4.1.2 Materials
31 - 4.1.3 Framing configurations
31 - 4.1.4 Weatherproofing
31 - 4.1.5 Shrinkage
31 - 4.1.6 Cuts, holes and notches in bearers and joists
33 - 4.2 BUILDING PRACTICE
33 - 4.2.1 Bearers
34 - 4.2.2 Joists
36 - 4.3 MEMBER SIZES
36 - 4.3.1 General
36 - 4.3.2 Bearers
37 - 4.3.3 Floor joists
39 - SECTION 5 FLOORING
39 - 5.1 SCOPE
39 - 5.2 FITTED FLOORS (CUT-IN FLOORS)
39 - 5.3 EXPANSION JOINTS
39 - 5.4 LAYING AND FIXING
39 - 5.4.1 Strip flooring
41 - 5.4.2 Structural plywood flooring
42 - 5.4.3 Particleboard
42 - 5.5 JOIST SPACING
42 - 5.5.1 Flooring
44 - 5.5.2 Decking
45 - SECTION 6 WALL FRAMING
45 - 6.1 GENERAL
45 - 6.1.1 Scope
45 - 6.1.2 Bracing
45 - 6.2 BUILDING PRACTICE
45 - 6.2.1 Studs
48 - 6.2.2 Wall plates
49 - 6.2.3 Openings
50 - 6.2.4 Framing around chimneys and flues
50 - 6.2.5 Lateral support for non-loadbearing walls
51 - 6.3 MEMBER SIZES
51 - 6.3.1 General
52 - 6.3.2 Wall studs
55 - 6.3.3 Bottom plates
55 - 6.3.4 Top plates
55 - 6.3.5 Studs, plates and noggings in non-loadbearing internal walls
56 - 6.3.6 Lintels
57 - 6.3.7 Verandah beams (plates)
57 - 6.3.8 Verandah posts supporting roof loads
58 - SECTION 7 ROOF FRAMING
58 - 7.1 GENERAL
58 - 7.1.1 Scope
58 - 7.1.2 Types of roofs and limitations
59 - 7.2 BUILDING PRACTICE
59 - 7.2.1 Ceilings
59 - 7.2.2 Construction loads on ceiling framing
59 - 7.2.3 Ceiling battens
59 - 7.2.4 Ceiling joists
60 - 7.2.5 Hanging beams
61 - 7.2.6 Counter beams
61 - 7.2.7 Combined strutting/hanging beams
62 - 7.2.8 Combined strutting/counter beams
62 - 7.2.9 Strutting beams
62 - 7.2.10 Underpurlins
63 - 7.2.11 Rafters
64 - 7.2.12 Ridgeboards
64 - 7.2.13 Hip and valley rafters
65 - 7.2.14 Scotch valleys
65 - 7.2.15 Roof strutting
67 - 7.2.16 Collar ties
68 - 7.2.17 Hip ends
68 - 7.2.18 Alternative support systems
68 - 7.2.19 Non-coupled roofs
69 - 7.2.20 Roof battens
69 - 7.2.21 Trussed roofs
69 - 7.2.22 Bracing for raftered and trussed roofs
69 - 7.2.23 Fixing of ceiling framing to internal bracing walls
70 - 7.2.24 Eaves construction
70 - 7.2.25 Gable or verge construction
72 - 7.2.26 Lateral restraint of hanging, strutting, strutting/hanging beams, and the like
72 - 7.2.27 Framing around chimneys and flues
72 - 7.3 MEMBER SIZES
72 - 7.3.1 General
72 - 7.3.2 Ceiling battens
73 - 7.3.3 Ceiling lining and non-trafficable roof decking
75 - 7.3.4 Loads on ceilings
75 - 7.3.5 Binders
75 - 7.3.6 Ceiling joists
75 - 7.3.7 Hanging beams
75 - 7.3.8 Counter beams
75 - 7.3.9 Combined strutting/hanging beams
75 - 7.3.10 Combined strutting/counter beams
76 - 7.3.11 Strutting beams
76 - 7.3.12 Underpurlins
76 - 7.3.13 Rafters and purlins
77 - 7.3.14 Ridge or intermediate beams - Cathedral, skillion roofs, or the like
77 - 7.3.15 Roof battens
78 - 7.3.16 Cantilevered gable ends
78 - 7.3.17 Other members/components
80 - SECTION 8 BRACING
80 - 8.1 GENERAL
80 - 8.2 TEMPORARY BRACING
81 - 8.3 PERMANENT BRACING
81 - 8.3.1 Subfloor bracing
82 - 8.3.2 Wall bracing
93 - 8.3.3 Roof bracing
95 - SECTION 9 FIXINGS AND TIE-DOWN DESIGN
95 - 9.1 SCOPE
95 - 9.2 GENERAL CONNECTION REQUIREMENTS
95 - 9.2.1 General
95 - 9.2.2 Corrosion protection
96 - 9.2.3 Straps, bolts, screws, coach screws and framing anchors
96 - 9.2.4 Steel washers
96 - 9.2.5 Drilling for bolts
96 - 9.2.6 Drilling for coach screws
96 - 9.2.7 Screw and coach screw penetration
96 - 9.2.8 Framing anchor and strap nails
96 - 9.2.9 Alternative metal strap size
97 - 9.2.10 Joining of top plates
97 - 9.3 PROCEDURE FOR DETERMINING FIXING AND TIE-DOWN REQUIREMENTS
97 - 9.4 NOMINAL AND SPECIFIC FIXING REQUIREMENTS
98 - 9.5 NOMINAL FIXINGS (MINIMUM FIXINGS)
99 - 9.6 SPECIFIC FIXINGS (TIE-DOWN)
99 - 9.6.1 General
106 - 9.6.2 Rafter to ridge connection for sheet roof, N2 wind classification only
108 - APPENDIX A - MEMBER SPAN TABLES
108 - A1 GENERAL
108 - A2 FLOOR AND WALL FRAMING (EXTERNAL LOADBEARING WALLS)
108 - A3 FLOOR AND WALL FRAMING (INTERNAL LOADBEARING WALLS)
108 - A4 SUBSTITUTION OF SEASONED TIMBER MEMBER SIZES
197 - APPENDIX B - LIST OF REFERENCED AND RELATED DOCUMENTS
197 - B1 REFERENCED DOCUMENTS
197 - B2 RELATED DOCUMENTS
198 - APPENDIX C - MOISTURE CONTENT
199 - APPENDIX D - EXAMPLE OF EVEN DISTRIBUTION OF BRACING
200 - AMENDMENT CONTROL SHEET