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Published byMaximilian Philson Modified over 9 years ago
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Timber Preservation Quality Manual (TPQM) February 2005
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Purpose Manual Compliance To ensure all timber preservative plants carry out timber preservation and associated activities to the standards written in this Manual, NZS3640:2003 and other associated documents. Page 2
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Purpose Process Control To minimise failure by process control. Site Specific To ensure a frame work of quality systems that each plant will build on and make specific to the treatment plant. Page 3
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Layout ‘Minimum Requirements’ Detail the requirements of ISO9001:2000 and the NZTPC that all plants should adhere to. ‘Example of a System’ The manual details examples to meet the minimum requirements of each section. Page 4
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TPQM 01 - 05 Quality System Documents quality responsibilities and authorities; i.e. site manager, production manager, technical officer, technical advisor. Page 5
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Site Quality Manual TPQM 05 - 08 Purchasing Documents selection of chemical and timber suppliers and their ability to meet TPQM requirements; i.e. grade, quality, etc. Page 6
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Procedures Manual TPQM 08 - 18 Process Control (treatment plant). Inspection & Testing. Control of Non Conforming Timber. Quality Records – checklist provided. Internal Quality Audits – checklist provided. Training. Page 7
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Appendix 1 Sampling Requirements & Test Methods Spot testing. Analytical testing methods TBTN, TBTO, IPBC, CCA & Boron, Solution concentration methods. Page 8
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Appendix 2 Sampling Schedules for all Hazard Classes. Internal testing requirements. Page 9
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Appendix 3 Process Acceptance and Species Suitability Current processes. Process Approval. Page 10
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Appendix 4 Examples of charge & reconciliation sheets. Page 11
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Appendix 5 Guidelines for Condition of Timber before Treatment. Free of decay. Moisture content. Page 12
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Appendix 6 Steam Conditions for Bethell & APM treatments. Page 13
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