130306 city council workshop revised

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130306 city council workshop revised

  1. 1. Oh910i1-8594.pptx/1
  2. 2. Tonight’s Agenda • • • – – – • •Oh910i1-8594.pptx/2
  3. 3. Facilities Plan StatusOh910i1-8594.pptx/3
  4. 4. Proposed Site Windjammer VicinityOh910i1-8594.pptx/4
  5. 5. Windjammer Charrette Concept for MBR Conceptual Plan ViewOh910i1-8594.pptx/5
  6. 6. Total Project Cost Summary Year 2030 $100 Treatment Facility Wastewater Conveyance Effluent Discharge $95 $2.9 $90 $7.6 $85 Project Cost, Millions $80 $75 $70 $83.0 $65 $60 $55 $50 All Facilities Through Year 2030Oh910i1-8594.pptx/6
  7. 7. Phasing Scenarios Depend on City Growth 4.5 Measured Data Scenario 1, No Growth 4.0 Scenario 2, Intermediate Growth Scenario 3, Comprehensive Plan 3 3.5 2 1 Maximum Month Flow, mgd 3.0 2.5 2.0 1.5 1.0 Notes: 1 1: Current measured capacity is 3.0 mgd. 2: Capacity required at projected year of startup (2017) ranges from 3.0 to 3.2 mgd. 2 0.5 3: Assuming 3.4 mgd of capacity is constructed in Phase 1, years of service 3 (prior to Phase 2) range from 4 to 13 years. 0.0 2000 2005 2010 2015 2020 2025 2030 2035Oh910i1-8594.pptx/7
  8. 8. Phasing Also Depends on Navy Participation • • – • –Oh910i1-8594.pptx/8
  9. 9. Total Project Cost Summary Phase 1, Scenario 1 $100 Treatment Facility Wastewater Conveyance Effluent Discharge $95 $2.9 The Citys cost share $90 for this scenario is $60.0 M $7.6 $85 Project Cost, Millions $2.9 $80 $7.6 $75 $70 $83.0 $65 $72.1 $60 $55 $50 All Facilities Through Year 2030 Scenario 1: City + NavyOh910i1-8594.pptx/9
  10. 10. Total Project Cost Summary Phase 1, Scenarios 1 and 2 $100 Treatment Facility Wastewater Conveyance Effluent Discharge $95 $2.9 The Citys cost share The Citys cost share $90 for this scenario is for this scenario is $60.0 M $67.7 M $7.6 $85 Project Cost, Millions $2.9 $80 $7.6 $75 $70 $83.0 $2.9 $65 $72.1 $60 $64.8 $55 $50 All Facilities Through Year 2030 Scenario 1: City + Navy Scenario 2: City OnlyOh910i1-8594.pptx/10
  11. 11. Phase 1 Scenario Summary Scenario 1 Scenario 2 City + Navy City Only Phase 1 Project Cost $82.6 M $67.7 M Navy Share (%) 27% n/a Navy Share of Cost $22.6 M n/a City Share of Cost $60.0 M $67.7Oh910i1-8594.pptx/11
  12. 12. Milestone Dates for Plan Approval Date Action March 6, 2013 Present Draft Plan to Public March 19, 2013 Seek Council Approval to Submit Draft Plan Summer 2013 Ecology Conditional Approval (pending environmental) Q4 2013 - Q1 2014 Final Environmental ApprovalsOh910i1-8594.pptx/12
  13. 13. Rate Analysis UpdateOh910i1-8594.pptx/13
  14. 14. Two Scenarios for Navy Participation • – – • – –Oh910i1-8594.pptx/14
  15. 15. Navy Cost-Sharing Assumptions • – • – • – • –Oh910i1-8594.pptx/15
  16. 16. WWTP Funding Assumption Review • • • •Oh910i1-8594.pptx/16
  17. 17. Estimated Rate Impact, August 14, 2012 “Base Case” Assumed $70 million Project Summary of Required Single Family Monthly Sewer Bill $100.00 $90.00 $80.00 Monthly Sewer Bill $70.00 $60.00 $50.00 $40.00 “Base Case” $30.00 Monthly Rate: $92.20 $20.00 $10.00 $0.00 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Base Case $40.00 $42.00 $47.00 $52.00 $57.50 $64.75 $72.85 $81.95 $92.20Oh910i1-8594.pptx/17
  18. 18. Estimated Rate Impact, August 14, 2012 Rate Scenarios for $93.5 million Project Summary of Required Single Family Monthly Sewer Bill $140.00 $120.00 $100.00 Monthly Sewer Bill $80.00 $60.00 $40.00 $20.00 $0.00 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Base Case $40.00 $42.00 $47.00 $52.00 $57.50 $64.75 $72.85 $81.95 $92.20 Option 1 $40.00 $42.00 $47.00 $52.88 $59.48 $68.41 $80.38 $96.45 $115.74 Variables include: Option 2A Option 2B $40.00 $40.00 $42.00 $42.00 $47.00 $47.00 $52.00 $52.00 $57.50 $66.13 Monthly Rates range $57.50 $64.69 $76.04 $74.39 $89.35 $85.55 $104.99 $98.38 1. Borrowing term Option 3 $40.00 $42.00 $47.00 $52.00 from $57.50 $85$63.54> $115 to $70.21 $77.58 $85.73 2. Interest rate (Depending on variable assumptions) 3. Navy participationOh910i1-8594.pptx/18
  19. 19. Updated WWTP Funding Assumptions • • • • – – – – –Oh910i1-8594.pptx/19
  20. 20. Three Potential Phase 1 Funding Scenarios • – – • – – • – –Oh910i1-8594.pptx/20
  21. 21. Comparison of Potential Monthly Sewer Bills $120 Required Single Family Monthly Sewer Bill $100 $80 Monthly Sewer Bill $60 $40 $20 $0 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Base Case $40.00 $42.00 $47.00 $52.00 $57.50 $64.75 $72.85 $81.95 $92.20 Scenario 1: City + Navy; 30-yrs; 4.5% $40.00 $42.00 $47.00 $51.70 $56.87 $62.56 $68.81 $75.69 $83.26 Scenario 2A: City Only; 30-yrs; 4.5% $40.00 $42.00 $47.00 $52.00 $57.50 $64.40 $72.13 $80.78 $90.48 Scenario 2B: City Only; 20-yrs; 6.0% $40.00 $42.00 $47.00 $52.88 $59.48 $68.11 $77.99 $89.68 $107.62Oh910i1-8594.pptx/21
  22. 22. Summary of Rate Impacts, WWTP • • • – – – – •Oh910i1-8594.pptx/22
  23. 23. Schedule/Next StepsOh910i1-8594.pptx/23
  24. 24. Objectives for Next Phase of Project Through Year-end • • • • • •Oh910i1-8594.pptx/24
  25. 25. Key Features of Approach Moving Forward • • •Oh910i1-8594.pptx/25
  26. 26. Step 1 – Value Engineering • • • •Oh910i1-8594.pptx/26
  27. 27. Step 2 – Select Final WWTP Location Within Windjammer VicinityOh910i1-8594.pptx/27
  28. 28. Step 2 – Select Final WWTP Location Within Windjammer Vicinity – – – –Oh910i1-8594.pptx/28
  29. 29. Step 2 – Select Final WWTP Location Within Windjammer VicinityOh910i1-8594.pptx/29
  30. 30. Step 2 – Select Final WWTP Location Within Windjammer Vicinity – – – • • • •Oh910i1-8594.pptx/30
  31. 31. Step 3 – WWTP Preliminary DesignOh910i1-8594.pptx/31
  32. 32. Step 3 – WWTP Preliminary Design Concept inspired by June 2012 Charrrett process.Oh910i1-8594.pptx/32
  33. 33. Step 3 – WWTP Preliminary Design Alternate concept showing potentially different site use.Oh910i1-8594.pptx/33
  34. 34. Step 3 – WWTP Preliminary Design Working Group Meetings throughout preliminary design.Oh910i1-8594.pptx/34
  35. 35. Step 3 – WWTP Preliminary Design – – –Oh910i1-8594.pptx/35
  36. 36. Step 4 – Outfall Final Design • • • •Oh910i1-8594.pptx/36
  37. 37. Significant Council Actions & Decisions Date Action/Decision Council authorizes submission to Ecology; Mar 19, 2013 Approves next phase of project Council sets policy and guiding principles to Summer 2013 select final location Council selects final location of treatment Fall 2013 facility Council approves approach to complete Spring 2014 projectOh910i1-8594.pptx/37
  38. 38. Overall Project Schedule OAK HARBOR CLEAN WATER FACILITY PROPOSED SCHEDULE FOR PROJECT COMPLETION 2013 2014 2015 2016 2017Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 APPROVE FACILITIES PLAN Submit Plans & Specs PREDESIGN PHASE FINAL DESIGN PHASE CONSTRUCTION PERIOD Agency Draft START Submission UP Oh910i1-8594.pptx/38
  39. 39. How can I stay involved?Oh910i1-8594.pptx/39
  40. 40. Send an email or give us a call if you would like to participate: Joe Stowell, City Engineer 360-279-4520 jstowell@oakharbor.orgOh910i1-8594.pptx/40
  41. 41. Questions?Oh910i1-8594.pptx/41
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