update to city council: facilities planning and 30% iipl d ... · 12/13/2010 · final report(1)...
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December 13, 2010
Update to City Council:December 13, 2010
Facilities Planning and 30% P li i D i U d t fPreliminary Design Update for
Post Point WWTP Improvements
Freeman Anthony, City of Bellingham Public WorksBrian Matson Carollo EngineersBrian Matson, Carollo Engineers
Please contact Freeman Anthony ([email protected]) or Brian Matson ([email protected]) for more information.
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Briefing Document TopicsBriefing Document TopicsDiscussed During August 16 Update
1. Basis of Design Flows and Loads
2. Technical Elements2. Technical Elements
3. Site Layout for Recommended Alternative
P bli P F db k4. Public Process Feedback
5. Environmental Requirements
6. Project Cost and Phasing Options
7 Project Schedule and Next Steps7. Project Schedule and Next Steps
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Post Point WWTP LayoutAs of August 2010As of August 2010
AA
B&CD
B&C
EE
C
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Overall Project SummaryOverall Project SummaryAs of August 2010
Phasing Option
Max MonthBOD Capacity
(lb/d)
Estimated Project Cost
EstimatedCapacity Period
(years)
Current 25,530 (1) -- --
Minimum Phase 1 27,500 $34M 0 to 3
Intermediate Phase 1 33,000 $47M 9 to 16
Design 39,800 $55M 20+
(1) Does not provide reliability under maximum month conditions
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Facilities Planning Report &30% Design StatusDecember 13 Council Update
1. Update BOD sampling and impact on project phasing
2. Present layout of proposed Post Point WWTP Improvements
3. Update Cost and Phasing Plan
4 Project Schedule and Next Steps4. Project Schedule and Next Steps
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Update on BOD Sampling
1. Comp Sewer Plan estimated 15-20% of BOD f i d t i l di h
Update on BOD Sampling
BOD from industrial dischargersa. Significant Industrial Users (SIUs) are largest
fraction of industrial BODfraction of industrial BOD
2. 4 months of sampling conducted in 2010a 2 large SIU complexes sampled in spring and a. 2 large SIU complexes sampled in spring and
summer monthsb. Variable BOD load and solubilityyc. Squalicum complex is largest BOD sourced. Squalicum BOD averages 10-15% of BODe. Sampling results support initial BOD
estimates in Comp Sewer Plan
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BOD Load ReductionBOD Load ReductionConclusions and Next Steps
1. SIU reduction and conservation may decrease 20-year BOD load by up to 17%a. Extends capacity provided by initial phase
by up to seven years
Cit E l d SIU ti 2. City, Ecology, and SIUs are supporting efforts to reduce BOD discharges
dd l l d3. Additional sampling and monitoring in 2011 will document progress
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Proposed WWTP LayoutCEPT BuildingFlow
Splitter Box
Selector/ AS Basin No. 1
Secondary Clarifier Blo eClarifier
AS Basin No. 2 & 3Modifications
BlowerBuilding
AS Basin No. 4(future)
PEPSModifications
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30% Design Site Rendering
View looking Northwest
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Chemically Enhanced P i T t t Primary Treatment
(CEPT)
Chemical Room
View looking Southeast
Polymer System
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Selector / Activated Sludge
Basin 1
View looking Southeast, Blower Building in background
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E i ti t t Existing structures with Activated Sludge
Basin 4 (future)
Activated Sludge Basin 4 looking Southwest
Basin 4 (future)
looking Southwest
Modified Primary Effluent Pump Station (PEPS) & Activated Sludge Basins
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Blower
View looking Southwest
Building
High-speed turbo blowers
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Secondary Secondary Clarifier
View looking Northeast
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Environmentally Sensitive Areas
BellinghamBay Wildlife Habitat
WetlandsWetlands
Public AccessOpen SpaceInterpretive Trail
NeighborhoodNeighborhoodImpacts
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Site Requirements to Address Sensiti e A eas
1. To the extent possible, maintain open
Sensitive Areas
1. To the extent possible, maintain open space and landscaping south of existing facilities
2. Continue to control odors in existing and new facilities
3. Maintain site lines and aesthetics of current facilities
4. Maintain trail access to extent possible
5 Minimize impacts to environmentally 5. Minimize impacts to environmentally sensitive areas
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Environmental Documentation
1. State Environmental Policy Act (SEPA) document required for Facilities Planning Report
2. Other City permits prepared during planninga. Critical Areas Ordinance (CAO) exemption
b. Shoreline permit
3. Permits prepared prior to construction4. Joint Aquatic Resources Permits Application (JARPA)
• Section 401• Section 404 or Section 10• Hydraulic Project Approval
5. Section 106 – historic preservation6. Section 7 – endangered species act6. Section 7 endangered species act7. City Demolition/Building Permit8. NPDES Construction Stormwater General Permit
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Wetlands and Wildlife Mitigation
1. Plan developed based on recommendations from
gPlan Components1. Plan developed based on recommendations from
wildlife biologists/ecologists and WDFW.
2. Opportunity to create enhanced wetlands for mitigation
3. Opportunity to mitigate wildlife impacts throughthrough…a. Wetlands creationb Habitat enhancement with native plantingsb. Habitat enhancement with native plantingsc. Restricting construction during critical periodsd. Minimizing public disturbanced. Minimizing public disturbance
4. Must balance desire for public (trail) access with wildlife mitigation
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Updated Cost EstimateF iliti Pl i R t d 30% D iFacilities Planning Report and 30% Design
Phase 1 Component Preliminary Estimate(in millions)( o s)
CEPT $2.7
PEPS Modifications $3.6
Selector/AS Basin 1 $8.0
AS Basins 2 & 3 Modifications $2.4
Blower Building $8.9
Secondary Clarifier $5.7
Sit k $4 7Sitework $4.7
Subtotal Construction $36.0
Engineering/legal/administration $11 5Engineering/legal/administration $11.5
Total Project Cost $47.5
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Total Construction Cost
P li i E ti tPhase 1 Component Preliminary Estimate(in millions)
Maximum allowable construction cost (MACC) $28.0( )
Owner’s Contingency (5%) $1.6
Contractor’s OH&P (5%) $1.6
Contractor’s General Conditions (5%) $1.6
Subtotal (without tax) $33.0
Sales Tax (8.5%) $3.0
Total Construction Cost $36.0
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Schedule and Next Steps
1. Current Effort:
Schedule and Next Steps
1. Current Effort:a. Facilities Planning Reportb. Environmental Documentationb. Environmental Documentationc. 30% Design Documents
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Facilities Planning Report / 30%
20112010
Facilities Planning Report / 30% Design Schedule and Next Steps
2011Task Sep Oct Nov Dec Jan Feb Mar Apr May
Status Meeting with DOEDraft Report to CityCit Re ie /Comment Period
2010
12/9/
12/9
/City Review/Comment PeriodDraft Report to DOEDOE Review/Comment PeriodReview Meeting with DOEAddress DOE Comments
1/28
12/9
2/28
1/13
Address DOE CommentsFinal Report(1)
Preliminary Enviro. Doc. to CityEnvironmental Review Meeting
Th h ld D t i ti (1)
4/29
12/91/13
2/21Threshold Determination (1)
SEPA Comment Period (1)
30% Design Review Workshop30% Design Comment Period30% D i C l t
11/2
2/21
30% Design Complete 12/7
(1) Schedule shown based on mitigated determination of nonsignificance (DNS).
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Schedule and Next Steps
1. Current Effort:
Schedule and Next Steps
1. Current Effort:a. Facilities Planning Reportb. Environmental Documentationb. Environmental Documentationc. 30% Design Documents
2 Next Phase:2. Next Phase:a. General Contractor / Construction Manager
(GC/CM) Selection(GC/CM) Selectionb. Pre-construction services/value engineering
and preliminary cost estimatep yc. Design completion
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General Contractor / Construction
GC/CM Delivery Objectives
General Contractor / Construction Manager (GC/CM) Involvement
GC/CM Delivery Objectivesa. Select most qualified contractor while maintaining
competitionb. Confirm preliminary cost estimate and phasing
before proceeding with designc Incorporate Value Engineering for design and c. Incorporate Value Engineering for design and
constructabilityd. Continuous input from the GC/CM contractor on
t iti f t i d lit opportunities for cost savings and quality enhancement
e. Lock-in Maximum Allowable Construction Cost (MACC) before proceeding with construction
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GC/CM Status of Major ActivitiesGC/CM Status of Major Activities
Activity DateActivity Date
Received Proposals from GC/CM Firms (7) October 29
Notified Most Qualified GC/CM Firms (4) November 11Notified Most Qualified GC/CM Firms (4) November 11
Interviewed Short-Listed GC/CM Firms (4) December 1
Notified Finalists (2) December 2
Issued Request for Final Proposal (RFFP) December 8
Open RFFP, Notify Selected GC/CM Firm December 22
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GC/CM Schedule andGC/CM Schedule andNext Steps
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Questions?Questions?