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 2030
Oh910i1-8594.pptx/6
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 2035
Oh910i1-8594.pptx/7
9. Total Project Cost Summary
Phase 1, Scenario 1
$100
Treatment Facility Wastewater Conveyance Effluent Discharge
$95
$2.9 The City's 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 + Navy
Oh910i1-8594.pptx/9
10. Total Project Cost Summary
Phase 1, Scenarios 1 and 2
$100
Treatment Facility Wastewater Conveyance Effluent Discharge
$95
$2.9 The City's cost share The City's 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 Only
Oh910i1-8594.pptx/10
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 $67.7
Oh910i1-8594.pptx/11
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 Approvals
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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 $92.20
Oh910i1-8594.pptx/17
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 participation
Oh910i1-8594.pptx/18
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
project
Oh910i1-8594.pptx/37
38. Overall Project Schedule
OAK HARBOR CLEAN WATER FACILITY
PROPOSED SCHEDULE FOR PROJECT COMPLETION
2013 2014 2015 2016 2017
Q1 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
40. Send an email or give us a call if
you would like to participate:
Joe Stowell, City Engineer
360-279-4520
jstowell@oakharbor.org
Oh910i1-8594.pptx/40
