Jennifer Coker, PE Kennedy/Jenks Sue Lawrence, City of La … · 2016-07-14 · Tyler Anderson,...
Transcript of Jennifer Coker, PE Kennedy/Jenks Sue Lawrence, City of La … · 2016-07-14 · Tyler Anderson,...
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Jennifer Coker, PE Kennedy/JenksSue Lawrence, City of La Center
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Presentation OutlinePresentation OutlineBackgroundRecommended ImprovementsProject Financial SummaryCost-Savings Measures►Design►Construction
Construction Photos Lessons Learned
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Project Vicinity
N
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History of La CenterHistory of La Center
Original Treatment Plant, constructed in late 1960s
Treatment Plant, upgraded in 2004
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Treatment Plant Location
Existing facility borders:►
Commercial Area►
Bridge►
La Center Bottoms Wetland
►
Public Amphitheater
Limited room for expansion!
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Plant Layout – 2004
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Improvements for Growth, Reliability, and Redundancy
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Phase 1 Conceptual Layout
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Phase 1 Project Financial Summary
Planning Level Estimate $14 Million
Actual Project Cost ($12.8 Million)
Savings $1.2 Million
Anticipated CPU Energy Incentive
$0.32 Million
TOTAL SAVINGS $1.52 Million
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Design Phase Cost Savings: MBR Equipment Preselection
MBR: Preselection required to proceed with final design►Variety of MBR Configurations►Space Requirements►Performance/Reliability►Hydraulics►Equipment Footprints
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MBR Preselection
Steps:1.
Facility Planning –
Initiated contact with all vendors; determined planning-level budget, footprint
2.
City began visiting MBR facilities using range of equipment
3.
Preselection
–
Developed preselection
process; implemented at end of Facility Planning
SELECTION
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SOQ Evaluation Criteria
Overall System Complexity & OperabilityExperience & ReferencesService & SupportCorporate Financial StabilitySystem Warranty & Performance Guarantee
▼
Six SOQs Received:KrugerSiemensParkson
ZenonKochEnviroquip
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Flat Sheet Membrane Immersed MBR by KUBOTA/Enviroquip
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Team Approach to DesignEnviroquipEnviroquip works with the works with the Owner and Engineer to Owner and Engineer to design a system that fits design a system that fits their needstheir needsRoutine design meetings Routine design meetings Process ModelingProcess ModelingEquipmentEquipment►► Pumps & MixersPumps & Mixers►► BlowersBlowers►► DiffusersDiffusers►► Piping MaterialPiping Material►► InstrumentationInstrumentation
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Partnership with Enviroquip
$50,000 Design Fee►Credited towards purchase
Design Changes►Modular Expansion►Use air scrubbing for D.O. Credit
Process Basin Equipment in MBR Scope of Supply►
Pumps, Blowers, Mixers, Valves, Meters, Instruments & Actuators
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Design Phase Cost Savings: MBR Pre-Purchase & Assignment
Incorporation of process basin equipment Delivery of Goods►
18 to 20 weeks following approval of submittals
Progress Payments►10% after all review of submittals and shop drawings►90% upon delivery►100% upon completion of special services
Assignment LanguageEstimated Savings 10% of MBR Package
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Design Phase Cost Savings: General Contractor Prequalification
Prime Contractor►3 projects at publicly owned WWTPs►Original Contract of $6 million ►Within the past 7 years
Results►Engineer’s Estimate $11.2 million►5 Bidders►McClure and Sons low Bidder $9.6 million
Bonus - Experience at Winlock, WA Enviroquip MBR Plant
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Clark Public Utilities Custom Energy Efficiency Program
Analysis- Comparison of a Baseline Design vs. Energy Efficient WWTP DesignCity of La Center - $320,000 in energy efficiency incentive►Pump Assisted Gravity Design►Streamlining of MLE Process►Energy Efficient Blower Selection
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Baseline and Proposed Measure Incremental Cost Differences
Baseline Design
Energy Saving Design
Incremental Difference
Energy First Year of Operation
3,823,470 kWh 2,642,380 kWh 1,181,090 kWh
Energy Consumption Incentive @ $0.27/kWh saved
$320,000
Estimated Project Cost
$12.8 Million $13.6 Million $760,000
Project Cost Incentive @ 35% of Incremental Cost
$266,000
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Construction Phase Cost Savings: EADOC CM Software
Cost $15,000Estimated Savings $100,000Benefits:► Immediate access with Internet Connection►Required filing as you go►Searchable► Immediate distribution of documents►Saves paper filing and shipping►Document History► Increased Accountability
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EADOC Construction Management Software
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Design Phase Cost Savings: Partnership – City/KJ CM Team
Roles and Responsibilities workshopTeam effort►Observation►RFQ review►Construction Solutions
Sue LawrenceWWTP
Superintendant
Bart SteppOwner’s Rep
Jennifer Coker, KJResident Engineer
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Project Risk AssessmentRISK SCORE MITIGATION
Concrete High Early Submittal
Wet Weather Impacts Schedule
High Proactively Monitor Schedule
Permit Violation Medium DOE InformedContractor Working
RestrictionsOperator Review of Construction Plans
Differing Conditions Medium Accept Risk, Maintain Sufficient Contingency
Poor Public Perception High Single Point of ContactRestrict Construction on
blackout datesRestrict Contractor Parking
Equipment Lead Times High Proactively Monitor Schedule
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Construction Phase Cost Savings: First SAVI Screen in North America
Estimate Screen and Conveyor $493KBid Price SAVI Screen and Conveyor $323KSAVINGS = $170K
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SAVI Screen Factory Testing, Italy
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Italy….
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Value for Money, SCADA ScreensValue for Money, SCADA Screens Original Plant Overview, Original Plant Overview, 1 of 2 screens1 of 2 screens
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SCADA Plant Overview SCADA Plant Overview
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SCADA MBR BasinSCADA MBR Basin
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SCADA MBR Basin DetailSCADA MBR Basin Detail
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Construction Tips Witness of Panel Testing – MBR and Plant PLC► Increased understanding of system for Superintendant►Check of Control Strategy for Engineer►Less chance of incomplete work being shipped
MBR Seeding►Screen all mixed liquor once, not continuously
MBR Stress Testing►Operational Practice Session for wet weather
operations
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Construction Begins WWTP June 2009
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Construction Phase
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View from the Street
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Site from City Park
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Headworks and MBR
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Process Basin
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MBR
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UV Disinfection & Utility Water
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New Control and Electrical Rooms
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Rotary Fan Press
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Lessons LearnedMBR Pre-Selection & Contract Assignment►
Process Basin Equipment in MBR Scope Pilot Testing and Pre-Selection of Dewatering EquipmentEnergy Efficiency ApplicationEADOC Installation of First SAVI Screen in North AmericaCM Team Roles and Responsibilities WorkshopGeneral Contractor PrequalificationTeam Effort
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Next StepsCPU Energy Consumption Measurement and VerificationFinal Completion November 16, 2010►
Punchlist►
Cleanup►
Record Drawings►
Operations and Maintenance Manuals
City Begins Writing SOPs for the new facility
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AcknowledgementsKennedy/Jenks►
Preston Van Meter, Project Manager►
Tyler Anderson, Staff EngineerCity of La Center►
Jeff Sarvis, City Administrator/Public Works Director►
Bart Stepp Owner’s Representative/City EngineerMcClure and Sons►
Rick Asher, SuperintendentEnviroquip/OVIVOHyperionSAVI/Envirocare
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Questions?Jennifer Coker, P.E.Kennedy/Jenks200 SW Market St, Ste 500Portland, OR 97206(503) [email protected]
Sue LawrenceWW System SupervisorCity of La Center419 E. Cedar Ave, Ste A201La Center, WA 98629(360) [email protected]