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Institute Public Works Engineering Australia – NAMS.AU

Institute Public Works Engineering Australia – NAMS.AU . CONDITION ASSESSMENT OF SWD ASSETS And NEW ISO AM STANDARDS PETER WAY PSM CHAIR – NAMS.AU. Practice Notes for Condition Assessment. SWD is PN 5 of series Guidelines to foster a National approach Peer review process

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Institute Public Works Engineering Australia – NAMS.AU

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  1. Institute Public Works Engineering Australia – NAMS.AU CONDITION ASSESSMENT OF SWD ASSETS And NEW ISO AM STANDARDS PETER WAY PSM CHAIR – NAMS.AU

  2. Practice Notes for Condition Assessment • SWD is PN 5 of series • Guidelines to foster a National approach • Peer review process • Acknowledge enormous industry support

  3. Scope of SWD Guideline • All hard infrastructure elements • Excludes WSUD elements • All material types

  4. Purpose of the Guideline • Up to date Register of SWD System/Components • Condition assessment • Risk analysis • Report on valuation, depreciation • Work Schedules and Construction Programs • Long Term Financial Planning

  5. Some Prior Considerations • Understand function of SWD Assets • Flooding mitigation • Protect property, community health, safety • Protect environment • What LOS?

  6. Risk and Criticality • AS/NZS ISO 31000 • Failure Modes • Flooding • Hazards to traffic • Hazards to community • Property, infrastructure, environmental damage

  7. Distress Modes – Various Components Structural Serviceability Silt/debris Corrosion Root intrusion Obstructions • Cracking • Fracture • Displaced Joint • Surface damage • Collapse

  8. Criticality Rating Table • CR 1 to 5 • 1 is least significance • 5 is most disruptive and expensive • Factors assessed • Location – surrounding built environment • Transport corridors • Pipe size and depths • Suggested inspection frequency

  9. Failure Probability Factors • Age of components • Material types • Environmental – marine, acid sulfate • Trees • Construction practices

  10. Information Management • Organisation needs driven • Data capture options • Time • Cost • Confidence • Pilot Studies • Integrate with corporate systems

  11. Rating System for SWD Condition • 0 or 1 (As new) to 5 (Very Poor or failed) • Table describes -Structural & Serviceability • Derived from IIMM and WSAA Code • Responses suggested • Estimated residual life -% design life • Appendices of photos for each Grade

  12. Sources of Data Collection • Complaints/Requests • Formal Inspections • Staff reporting • Utility providers/Developers • Advanced data collection techniques

  13. Inspection Process • Pre-inspection data packs • Operator/Inspector role • Inspection frequency • O H & S • Survey Data Management

  14. Data Analysis • Updated SWD Asset register • Condition rating and estimate of remaining useful life. • Depreciated Replacement Cost (DRC) valuation and Current Replacement Cost • Timing of future renewals/replacements • Work schedules (maintenance) & Capital Works Programs • Long term financial plan - funding needs.

  15. Expenditure Profile Report

  16. Work Schedules and Programs • Reactive Maintenance works orders • Pro-active maintenance planning • Capital Expenditure • Renewals and Replacement • New Construction • Improvement Plan • Link to corporate plan • Gap analysis

  17. Conclusion • Written by Practitioners for Practitioners • One Day Training Workshops • Order through IPWEA • www.nams.au.com – Practice Notes

  18. ISO Standards for AM

  19. Do we need an AM Standard for Australia? • Yes – The case For: • Additional “driver” for AM • More consistent outcomes • Benchmarking opportunities • Establishes a common framework • Better reporting and accountability • And No – The case Against: • Risks a “compliance mentality” • Possible “over- regulation” • Divert scarce resources • Overly prescriptive • Not aligned to corporate strategic need

  20. The Proposed Standards

  21. ISO 55001 • Specifies the requirements for a management system for asset management • “What to do” not “How to do it” • Apply in entirety – No Scalability? • Focus is on Physical Assets – But can apply to other assets also

  22. Australian View on an ISO Standard • Can assist if properly framed and applied • BUT - Not just for compliance • Outcome focused and foster continuous improvement • Scalable to suit corporate objectives of each Organisation • Recognise existing resources on how to apply the Standard

  23. Some Other Australian Issues • Strengthen link to financial management • Better define the relationship with the risk management and quality management standards • Stronger focus on products and services and the Levels of Service concept • More on AM Planning • Lifecycle approach

  24. ISO Draft Guide 83 – Management System Standards 1. Scope 2. Normative references 3. Terms and definitions 4. Context of the organization 5. Leadership 6. Planning 7. Support 8. Operation 9. Performance Evaluation 10. Improvement

  25. ISO Timeline for completion

  26. Conclusion Questions? pway@ipwea.org.au

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