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Asset Management presented at Tennessee APWA

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Asset Management 101 with tips. Includes rating system with categories and multi-infrastructure prioritization overlays.

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Asset Management presented at Tennessee APWA

  1. 1. Water Main Replacement & Renewal Projects <ul><li>Identification, Prioritization, Justification </li></ul>34000 Plymouth Road | Livonia Michigan, 48150 | www.ohm-advisors.com Evan N. Pratt, P.E., Principal, Technical Specialist – OHM, Inc.
  2. 2. CHECK-IN <ul><li>What’s it like in your community or agency?? </li></ul>
  3. 3. CHECK-IN <ul><li>What’s it like in your community or agency?? </li></ul><ul><li>Elected Officials easier to work with than ever?!? </li></ul>
  4. 4. CHECK-IN <ul><li>What’s it like in your community or agency?? </li></ul><ul><li>Elected Officials easier to work with than ever?!? </li></ul><ul><li>The Public is more friendly, patient and understanding?? </li></ul>
  5. 5. CHECK-IN <ul><li>What’s it like in your community or agency?? </li></ul><ul><li>Elected Officials easier to work with than ever?!? </li></ul><ul><li>The Publid is easier to work with than ever?!? </li></ul><ul><li>HA! </li></ul>
  6. 6. CHECK-IN <ul><li>What’s it like in your community or agency?? </li></ul><ul><li>Elected Officials are easier to work with than ever?? </li></ul><ul><li>Value of all of your community’s infrastructure – and who “gets it”? </li></ul>
  7. 7. CHECK-IN <ul><li>Pavement Management plans? </li></ul><ul><li>Tools? </li></ul><ul><li>CIP? </li></ul><ul><li>1 or more Utility Asset Management plans </li></ul><ul><li>Tools? </li></ul><ul><li>Combined Asset Management plan </li></ul><ul><li>Budget for above? </li></ul>
  8. 8. City of Romulus Area : 35.9 mi 2 Population : 2000 census: 22,979 2007 estimate: 24,414 Infrastructure : water main: 300 miles san. sewer: 150 miles roads: 220 miles Approximate Replacement Value : $1 Billion
  9. 9. Simple Tool
  10. 10. Asset Management with Simple Tools and Historic Data?
  11. 11. Your Tools? <ul><li>Push pin map, spreadsheets, lists, GIS? </li></ul>
  12. 12. Learning Objectives <ul><li>Develop an understanding for cheap and cost effective asset management using readily available data </li></ul><ul><li>Review a method for needs prioritization </li></ul><ul><li>Identify additional steps for prioritizing multiple assets </li></ul>
  13. 13. Asset Condition Model Condition Point of Major Rehabilitation Life of Asset Time Road Assets
  14. 14. Challenges for Water Main Asset Condition Model Condition Time Point of Action <ul><li>Environment </li></ul><ul><li>Material </li></ul><ul><li>System Operation </li></ul>
  15. 15. Two Central Management Questions <ul><li>Condition assessment – what is it an how can it be done? </li></ul><ul><li>Prioritization – when to intervene or in what order? </li></ul>
  16. 16. Condition Assessment <ul><li>Physical Signs </li></ul><ul><li>Number of water main breaks increasing </li></ul><ul><li>Increasing age of water main </li></ul><ul><li>Service Delivery Signs </li></ul><ul><li>Discoloration in the water </li></ul><ul><li>Inadequate water pressures </li></ul><ul><li>Inadequate fire hydrant flows </li></ul>
  17. 17. Condition Assessment <ul><li>Signs of Increasing Risk </li></ul><ul><li>Critical pipe failures </li></ul><ul><li>Non-compliance with Safe Drinking Water Act </li></ul><ul><li>Severe breaks when they occur </li></ul><ul><li>Angry Planners or Elected officials… </li></ul>
  18. 18. The W.I.N. Model Service Delivery <ul><li>Pressure variations </li></ul><ul><li>Fire protection capacity – or ISO hydrant test results </li></ul><ul><li>Pipe friction losses per length of pipe </li></ul>Physical Conditions <ul><li>Age of pipe assets </li></ul><ul><li>Number of water main breaks </li></ul><ul><li>Frequency of breaks </li></ul><ul><li>Corrosion </li></ul>
  19. 19. The W.I.N. Model Risk Management <ul><li>Severity of breaks </li></ul><ul><li>Consequence of failure </li></ul><ul><li>Impact on future development potential… </li></ul>
  20. 20. City of Southfield Area : 26.2 mi 2 Population : 2000 census: 78,296 2007 estimate: 76,285 Infrastructure : water main: 360 miles san. sewer: 300 miles roads: 242 miles Approximate Replacement Value : $1.5 Billion
  21. 23. Quantification of Infrastructure In Groups Prioritization of Infrastructure
  22. 25. Collective Prioritization <ul><li>When prioritizing water main improvements, </li></ul><ul><li>also concurrently prioritize for: </li></ul><ul><li>Road improvements </li></ul><ul><li>Sanitary sewer improvements </li></ul><ul><li>Storm sewer improvements </li></ul>
  23. 26. Sanitary Sewer Priority Map Water Main Priority Map Roads Priority Map
  24. 27. Street Maintenance and Asset Management <ul><li>DPW utilizes asset management principles to manage and prioritize scheduling and type of repair </li></ul><ul><li>Roads are rated based on Pavement Quality Index </li></ul>
  25. 28. Road Infrastructure Prioritization
  26. 29. Water Infrastructure Prioritization
  27. 30. Potential Future Investment Needs Existing Funding Needed Funding
  28. 31. Initiating Education Program For Elected Officials
  29. 32. Initiating Education Program For Elected Officials
  30. 33. Learning Objectives <ul><li>Developing an understanding for cheap and cost effective asset management using readily available data </li></ul><ul><li>Evaluating a method for needs prioritization </li></ul><ul><li>Identifying additional steps for prioritizing multiple assets </li></ul>
  31. 34. Questions / Answers

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