AS 3818.4-2010

Table of Contents

1 -  AS 3818.4-2010 TIMBER-HEAVY STRUCTURAL PRODUCTS-VISUALLY GRADED - CROSS-ARMS FOR OVERHEAD LINES
4 -  PREFACE
5 -  CONTENTS
6 -  SECTION 1 SCOPE AND GENERAL
6 -  1.1 SCOPE
6 -  1.2 APPLICATION
6 -  1.3 PURPOSE AND CONTEXT OF USE
6 -  1.3.1 Function
6 -  1.3.2 Action
6 -  1.4 NORMATIVE REFERENCE
7 -  1.5 DEFINITIONS
7 -  1.6 TIMBER SPECIES
7 -  1.6.1 General
7 -  1.6.2 Ordering
7 -  1.7 DESIGN
8 -  SECTION 2 PRODUCT REQUIREMENTS
8 -  2.1 GENERAL
8 -  2.2 DIMENSIONS, SIZES, TOLERANCES AND SQUARENESS
8 -  2.3 BOW AND SPRING
8 -  2.4 TWIST
8 -  2.5 COMBINATION OF CHARACTERISTICS
9 -  SECTION 3 GRADE 1 CROSS-ARMS
9 -  3.1 GENERAL
9 -  3.2 GRADE REQUIREMENTS
11 -  SECTION 4 GRADE 2 CROSS-ARMS
11 -  4.1 GENERAL
11 -  4.2 GRADE REQUIREMENTS
13 -  SECTION 5 OPTIONAL TOP SURFACE GRADE
13 -  5.1 GENERAL
13 -  5.2 GRADE REQUIREMENTS
15 -  APPENDIX A - PURCHASING GUIDELINES
15 -  A1 INFORMATION TO BE INCLUDED IN PURCHASING ORDERS
16 -  A2 STORAGE AND MAINTENANCE
17 -  APPENDIX B - DESIGN PROPERTIES
18 -  BIBLIOGRAPHY

Scope

This Standard sets out the minimum requirements for visual grading of cross-arms intended for use in supporting overhead utility services. These minimum requirements apply at the time of grading.
NOTES:
1 Purchasing guidelines are given in Appendix A.
2 Stress grades applicable to strength groups are given in Appendix B

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
Pages
ISBN
Committee	TM-003
Supersedes	AS 3818.4-2003