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AS 3818.1-2009

[Pending Revision]

Timber — Heavy structural products — Visually graded, Part 1: General requirements

Provides producers and users of visually graded timber products with general requirements for the specific products covered by the other parts of this series.

Published: 16/12/2009

Pages: 38

Table of contents

Cited references

Content history

Table of contents

Header

About this publication

Preface

1 Scope and general

1.1 Scope

1.2 Application

1.3 Normative references

1.4 Definitions

1.5 Moisture content of seasoned timber

1.6 Preservative treatment

1.6.1 General

1.6.2 Sapwood susceptible to Lyctid borers

1.7 Minimizing end splitting

2 Characteristics

2.1 Measurement of characteristics

2.2 Combination of characteristics in sawn timber

2.3 Characteristics occurring entirely within the prescribed limits for want and wane

2.4 Mechanical damage

3 Grade limitation and grading

3.1 Basis

3.2 Limitations

3.3 Variations in assessment

3.4 Resawing

3.5 Grading check

3.6 Moisture content of preservative-treated timber

3.7 End trimming

3.8 Docking of multiple lengths

4 Marking, inspection, and storage and maintenance

4.1 Marking

4.2 Inspection

4.3 Storage and maintenance

Appendix A

A1 Scope

A2 Statistical sampling

A3 Product certification

A4 Supplier’s quality management system

A5 Other means of assessment

Appendix B

Appendix C

Appendix D

D1 Arris

D2 Back (applied to a sleeper)

D3 Backsawn

D4 Batch

D5 Bow

D6 Boxed heart

D7 Brashness

D8 Brittle heart

D9 Building pole

D10 Bump

D11 Butt

D12 Charge

D13 Check

D14 Critical zone

D15 Crook

D16 Cross fracture

D17 Dead timber

D18 Decay

D19 Dry-side

D20 End split

D21 Exceptionally low density material

D22 Fabrication (applied to untreated poles)

D23 Fracture, cross

D24 Ground line (nominal)

D25 Gum pocket

D26 Gum ring

D27 Gum vein

D28 Gum vein, loose

D29 Gum vein, tight

D30 Heart

D31 Heart, boxed

D32 Heart, brittle

D33 Heart, faulty

D34 Heartwood

D35 Hole

D36 Kink

D37 Knot

D38 Line, ground

D39 Log centre

D40 Lyctid

D41 Penetrated zone

D42 Pile

D43 Pipe

D44 Plug sample

D45 Pole, building

D46 Pole, utility

D47 Primary rot

D48 Quartersawn

D49 Rail seat

D50 Refractory

D51 Round-back sleeper

D52 Rot, primary

D53 Sapwood

D54 Seat, rail

D55 Shake

D56 Shell-off

D57 Sole plate

D58 Spall

D59 Special sleeper

D60 Split

D61 Split, end

D62 Spiral grain

D63 Spring

D64 Sweep

D65 Termite gallery

D66 Thickness (T)

D67 Timber stump

D68 Top

D69 Toe

D70 Twist

D71 Utility pole

D72 Wane

D73 Want

D74 Warp

D75 Width (W)

D76 Zone, critical

D77 Zone, penetrated

Appendix E

E1 Knots in sawn timber

E2 Knots in round timber

E3 Slope of grain

E4 Gum pockets, gum veins, resin pockets, overgrowths of injury and primary rot

E5 Checks

E6 Wane, want and Lyctid-susceptible sapwood

E7 Bow and spring

E8 Twist

E9 Cup

Bibliography

Cited references in this standard

AS/NZS 4491:1997

[Current]

Timber — Glossary of terms in timber-related Standards

AS/NZS 2878:2000

[Current]

Timber — Classification into strength groups

AS/NZS 1080.2:2006

[Current]

Timber — Methods of test, Method 2: Slope of grain

AS/NZS 1080.1:2012

[Current]

Timber — Methods of test, Method 1: Moisture content

AS 3818

Timber—Heavy structural products—Visually graded (all Parts)

Content history

AS 3818.1-1998

[Superseded]

DR AS 3818.1

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