AS 3818.1-2003

1 - AS 3818.1:2003 TIMBER - HEAVY STRUCTURAL PRODUCTS - VISUALLY GRADED - GENERAL REQUIREMENTS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 APPLICATION
6 - 3 REFERENCED DOCUMENTS
7 - 4 DEFINITIONS
7 - 5 MOISTURE CONTENT OF SEASONED TIMBER
8 - 6 PRESERVATIVE TREATMENT
8 - 6.1 General
8 - 6.2 Sapwood susceptible to Lyctid borers
8 - 7 MINIMIZING END SPLITTING
8 - 8 CHARACTERISTICS
8 - 8.1 Measurement of characteristics
8 - 8.2 Combination of characteristics in sawn timber
9 - 8.3 Characteristics occurring entirely within the prescribed limits for want and wane
10 - 8.4 Mechanical damage
10 - 9 GRADE LIMITATION AND GRADING
10 - 9.1 Basis
10 - 9.2 Limitations
10 - 9.3 Variations in assessment
10 - 9.4 Resawing
10 - 9.5 Grading check
11 - 9.6 Moisture content of preservative-treated timber
11 - 9.7 End trimming
11 - 9.8 Docking of multiple lengths
11 - 10 MARKING
11 - 11 INSPECTION
12 - 12 STORAGE AND MAINTENANCE
13 - APPENDIX A - MEANS OF DEMONSTRATING COMPLIANCE WITH THIS STANDARD
13 - A1 SCOPE
13 - A2 STATISTICAL SAMPLING
13 - A3 PRODUCT CERTIFICATION
13 - A4 SUPPLIER'S QUALITY MANAGEMENT SYSTEM
14 - A5 OTHER MEANS OF ASSESSMENT
15 - APPENDIX B - RELATIVE NATURAL DURABILITY OF THE HEARTWOOD OF SPECIES
16 - APPENDIX C - SPECIES PROPERTIES AND USES
25 - APPENDIX D - DEFINITIONS
31 - APPENDIX E - MEASUREMENT OF CHARACTERISTICS
31 - E1 KNOTS IN SAWN TIMBER
31 - E2 KNOTS IN ROUND TIMBER
32 - E3 SLOPE OF GRAIN
33 - E4 GUM POCKETS, GUM VEINS, RESIN POCKETS, OVERGROWTHS OF INJURY AND PRIMARY ROT
33 - E5 CHECKS
35 - E6 WANE, WANT AND LYCTID-SUSCEPTIBLE SAPWOOD
35 - E7 BOW AND SPRING
36 - E8 TWIST
36 - E9 CUP

Specifies general requirements for visually graded heavy engineering timber products. It includes clauses on moisture content, measurement of characteristics, grade limitations and marking. Lists of species appropriate for particular uses are included in an Appendix.

First published as AS 3818.1-1998.
Second edition 2003.