NZS 3640:2003
Chemical preservation of round and sawn timber
Sets out requirements for the preservative treatment and identification of timber to provide protection from decay and insect attack including marine borers in all likely exposure conditions throughout New Zealand, based on six hazard classes that are described in this Standard.
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NZS 3640:2003
COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
© COPYRIGHT
CONTENTS
REFERENCED DOCUMENTS
LATEST REVISIONS
FOREWORD
Section
1 SCOPE AND INTERPRETATION
1.1 Scope
1.2 Interpretation
1.3 Testing
2 DEFINITIONS
3 HAZARD CLASSES AND TREATMENT REQUIREMENTS
3.1 Hazard classifications
3.2 Selection of timber treatment
3.3 Preservative penetration and retention
3.4 Penetration and retention sampling requirements
4 PRESERVATIVES
4.1 Approved preservatives
4.2 Fixed waterborne preservatives
4.3 Non-fixed water borne preservatives
4.4 Light organic solvent preservatives (LOSPs)
4.5 Other preservative types
5 IDENTIFICATION OF TREATED TIMBER
5.1 Branding
5.2 Colouring
6 HAZARD CLASS SPECIFICATIONS
6.1 Hazard classes H1.1 and H1.2
6.2 Hazard class H2
6.3 Hazard classes H3.1 and H3.2
6.4 Hazard class H4
6.5 Hazard class H5
6.6 Hazard class H6
Appendix
APPENDIX A - NEW ZEALAND TIMBER PRESERVATION COUNCIL (NZTPC) REQUIREMENTSOF REGISTERED TREATMENT PLANTS
A1 The New Zealand Timber Preservation Council (NZTPC)
A2 Registered treatment plants
A3 Treatment plant records
A4 Minimum NZTPC requirements and identification
A5 NZTPC Quality Manual
A6 Enquiries
A7 AgriQuality Timber Treatment Programme
APPENDIX B - SPECIFICATION ADVISORY NOTES
B1
B2 Care of treated timber
B3 Fixing CCA preservatives
B4 Building poles and piles
B5 Machining and sawing treated timber
APPENDIX C - BIBLIOGRAPHY
APPENDIX D - APPLICATION FORM FOR APPROVAL OF A TIMBER PRESERVATIVE
D1
APPENDIX E – DETERMINATION OF TRIADIMEFON AND CYPROCONAZOLEIN GLUELINE AND SURFACE-TREATED TIMBER
E1 Principle
E2 Reagents
E3 Sampling and moisture content
E4 Procedure
E5 Standard solutions
E6 QUANTITATION
E7 CALCULATIONS
Table
Table 3.1 – Hazard classification
Table 4.1 – Relative proportions of CCA components
Table 4.2 – Relative proportions of alkaline copper quaternary components
Table 4.3 – Relative proportions of CuAz components
Table 4.4 – LOSP fungicides
Table 4.5 – Relative proportions of triadimefon and cyproconazole components
Table 5.1 – Requirements for branding or identification of treated timber
Table 5.2 – Colour coding for timber to be used as framing
Table 6.1 – Minimum preservative retention in the H1.1, H1.2 analysis zone
Table 6.2 – Minimum preservative retention in the H3.1, H3.2 analysis zone
Table 6.3 – Minimum preservative retention in the H4 analysis zone
Table 6.4 – Minimum preservative retention in the H5 analysis zone
Table 6.5 – Minimum preservative retention in the H6 analysis zone(rounds, part rounds and sawn timber)
Table E1 – Gas chromatograph conditions
Figure
Figure 5.1 – Example brandings
Figure 5.2 Suggested branding layout
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Related Information
Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A3.
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Refers to 3640:2003(NZS)A1.
Best Practice Guideline For The Safe Use Of Timber Preservatives & Antisapstain Chemicals
Ministry: New Zealand Timber Preservation Council Inc
Section: 8.1.1.1
Citation context:Refer to NZS 3640:2003 Chemical Preservation of Round and Sawn Timber for approved preservative specifications.
Best Practice Guideline For The Safe Use Of Timber Preservatives & Antisapstain Chemicals
Ministry: New Zealand Timber Preservation Council Inc
Section: 8.3.1.2
Citation context:Refer to NZS 3640 for approved fungicides and insecticides and to ERMA website for approved substances.
Best Practice Guideline For The Safe Use Of Timber Preservatives & Antisapstain Chemicals
Ministry: New Zealand Timber Preservation Council Inc
Section: 11.3.4
Citation context:NZS 3640:2003 includes in Section 5.1.4 9c a list of preservative code numbers to be used as appropriate in the brand.
Best Practice Guideline For The Safe Use Of Timber Preservatives & Antisapstain Chemicals
Ministry: New Zealand Timber Preservation Council Inc
Section: 11.3.1
Citation context:The branding requirements for preservative treated timber are set out in the New Zealand Standard NZS 3640:2003 Chemical preservation of round and sawn timber, Section 5.
Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A1.
Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A5.
Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A2.
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Refers to 3640:2003(NZS)A3.
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Refers to 3640:2003(NZS)A2.
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Refers to 3640:2003(NZS)A5.
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: VM4
Citation context:Refers to 3640:2003(NZS)A4.
Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Building Code Compliance Document SH
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A4.
Building Code Compliance Document SH
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Building Code Compliance Document B2
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1
Citation context:Refers to 3640:2003(NZS)A4.
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Related News
NZS 3640:2003
COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
© COPYRIGHT
CONTENTS
REFERENCED DOCUMENTS
LATEST REVISIONS
FOREWORD
Section
1 SCOPE AND INTERPRETATION
1.1 Scope
1.2 Interpretation
1.3 Testing
2 DEFINITIONS
3 HAZARD CLASSES AND TREATMENT REQUIREMENTS
3.1 Hazard classifications
3.2 Selection of timber treatment
3.3 Preservative penetration and retention
3.4 Penetration and retention sampling requirements
4 PRESERVATIVES
4.1 Approved preservatives
4.2 Fixed waterborne preservatives
4.3 Non-fixed water borne preservatives
4.4 Light organic solvent preservatives (LOSPs)
4.5 Other preservative types
5 IDENTIFICATION OF TREATED TIMBER
5.1 Branding
5.2 Colouring
6 HAZARD CLASS SPECIFICATIONS
6.1 Hazard classes H1.1 and H1.2
6.2 Hazard class H2
6.3 Hazard classes H3.1 and H3.2
6.4 Hazard class H4
6.5 Hazard class H5
6.6 Hazard class H6
Appendix
APPENDIX A - NEW ZEALAND TIMBER PRESERVATION COUNCIL (NZTPC) REQUIREMENTSOF REGISTERED TREATMENT PLANTS
A1 The New Zealand Timber Preservation Council (NZTPC)
A2 Registered treatment plants
A3 Treatment plant records
A4 Minimum NZTPC requirements and identification
A5 NZTPC Quality Manual
A6 Enquiries
A7 AgriQuality Timber Treatment Programme
APPENDIX B - SPECIFICATION ADVISORY NOTES
B1
B2 Care of treated timber
B3 Fixing CCA preservatives
B4 Building poles and piles
B5 Machining and sawing treated timber
APPENDIX C - BIBLIOGRAPHY
APPENDIX D - APPLICATION FORM FOR APPROVAL OF A TIMBER PRESERVATIVE
D1
APPENDIX E – DETERMINATION OF TRIADIMEFON AND CYPROCONAZOLEIN GLUELINE AND SURFACE-TREATED TIMBER
E1 Principle
E2 Reagents
E3 Sampling and moisture content
E4 Procedure
E5 Standard solutions
E6 QUANTITATION
E7 CALCULATIONS
Table
Table 3.1 – Hazard classification
Table 4.1 – Relative proportions of CCA components
Table 4.2 – Relative proportions of alkaline copper quaternary components
Table 4.3 – Relative proportions of CuAz components
Table 4.4 – LOSP fungicides
Table 4.5 – Relative proportions of triadimefon and cyproconazole components
Table 5.1 – Requirements for branding or identification of treated timber
Table 5.2 – Colour coding for timber to be used as framing
Table 6.1 – Minimum preservative retention in the H1.1, H1.2 analysis zone
Table 6.2 – Minimum preservative retention in the H3.1, H3.2 analysis zone
Table 6.3 – Minimum preservative retention in the H4 analysis zone
Table 6.4 – Minimum preservative retention in the H5 analysis zone
Table 6.5 – Minimum preservative retention in the H6 analysis zone(rounds, part rounds and sawn timber)
Table E1 – Gas chromatograph conditions
Figure
Figure 5.1 – Example brandings
Figure 5.2 Suggested branding layout
NZS 3640:2003
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.