Transcript Timber Preservation Quality Manual (TPQM)

Timber Preservation
Quality Manual
(TPQM)
February 2005
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
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.
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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
TPQM 01 - 05
Quality System
Documents quality responsibilities and
authorities; i.e. site manager, production
manager, technical officer, technical
advisor.
Page 5
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
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.
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Appendix 1
Sampling Requirements &
Test Methods
Spot testing.
Analytical testing methods
TBTN, TBTO, IPBC, CCA & Boron,
Solution concentration methods.
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Appendix 2
Sampling Schedules for all
Hazard Classes.
Internal testing requirements.
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Appendix 3
Process Acceptance and
Species Suitability
Current processes.
Process Approval.
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Appendix 4
Examples of
charge &
reconciliation sheets.
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Appendix 5
Guidelines for Condition of
Timber before Treatment.
Free of decay.
Moisture content.
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Appendix 6
Steam Conditions for
Bethell & APM treatments.
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