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2 10 10 Water Pollution Control Plant FY 2011 Budget PresentationWater Pollution Control DepartmentWater Pollution Control Department Pumping Stations Provide Service Pumping Stations Provide Service Throughout the CommunityThroughout the Community Fourteen stations in Fourteen stations in every corner of Dubuqueevery corner of Dubuque Laboratory ServicesLaboratory Services Water Pollution ControlWater Pollution Control  Operations & MaintenanceOperations & Maintenance  Water DepartmentWater Department  Health DepartmentHealth Department  Landfill Groundwater Landfill Groundwater  MonitoringMonitoring Local and Regional Local and Regional  IndustriesIndustries Area Municipalities and Area Municipalities and  CitizensCitizens fy2009 Loadingsfy2009 Loadings TotalRes./Com.Ind.% Ind. Flow7.981 mgd7.375 mgd 0. 606 mgd 7.6% lbs B.O.D. 16961 lbs.11200 5761 lbs34% T.S.S.13500 lbs.11970 lbs1530 lbs 11% Industrial Revenue in Million Dollars Industrial Revenue in Million Dollars $1.20 $1.00 $0.80 $0.60 $0.40 $0.20 $0.00 200020012002200320042005200620072008200920102011 WPCP PerformanceWPCP Performance Processed 7.981 mgd. (design of 13.39 mgd)Processed 7.981 mgd. (design of 13.39 mgd)  Removed 95 % of B.O.D. (Biological Oxygen Removed 95 % of B.O.D. (Biological Oxygen  Demand)Demand) Removed 94 % of T.S.S. (Total Suspended Removed 94 % of T.S.S. (Total Suspended  Solids)Solids) WPCP PerformanceWPCP Performance Generated 11.96 Dry Tons of BioGenerated 11.96 Dry Tons of Bio--Solids Daily Solids Daily  (4364 tons per year) for Disposal through (4364 tons per year) for Disposal through IncinerationIncineration Current Use is 70 % of the 24,400 pound Current Use is 70 % of the 24,400 pound  B.O.D. Design CapacityB.O.D. Design Capacity 46 % of Future Plant B.O.D. Capacity of 46 % of Future Plant B.O.D. Capacity of  36,900 pounds36,900 pounds Current Versus Future CapacityCurrent Versus Future Capacity CurrentCurrentExistingExistingYear Year % Change % Change ConditionsConditionsCapacityCapacity20302030over over ConditionConditionCurrentCurrent ss Wastewater Wastewater FlowFlow 7.9817.98113.413.410.6410.6435%35% AverageAverage 33.633.634.334.340.940.9 PeakPeak BOD Load BOD Load 16,96116,96124,40024,40036,90036,90078%78% ** (lbs/day)(lbs/day) Solids Load Solids Load 13,50013,50024,60024,60029,40029,40088%88% ** (lbs/day)(lbs/day) *Significant industrial capacity included OperatingOperating The Costs of The Costs of Electrical, Gas, Stormwater, Water Electrical, Gas, Stormwater, Water --$617,240$617,240  Fuel Oil for Incineration Fuel Oil for Incineration --$298,800$298,800  Percent of Operating Costs to Energy Percent of Operating Costs to Energy ––  Approximately 25% of Operating BudgetApproximately 25% of Operating Budget Proposed Rate Increase Proposed Rate Increase ––11%11% Four percent revenue increase request for Four percent revenue increase request for  the operating budget to defray increased the operating budget to defray increased operating costsoperating costs Eight percent revenue increase request to Eight percent revenue increase request to  the Capital Budget and Debt Servicesthe Capital Budget and Debt Services Minus one percent for normal growth factorMinus one percent for normal growth factor  Sewer Rate ComparisonSewer Rate Comparison The highest rate (Iowa CityThe highest rate (Iowa City--$36.08) is $36.08) is  71% higher than Dubuque’s proposed 71% higher than Dubuque’s proposed raterate Average rate of $24.95 is 17% higher Average rate of $24.95 is 17% higher  than Dubuque’s proposed rate of than Dubuque’s proposed rate of $21.04$21.04 The requested rate increase would be The requested rate increase would be  $2.08 per month for a residence using $2.08 per month for a residence using 6000 gallons.6000 gallons. Sewer Rate Comparison at 6000 gpmSewer Rate Comparison at 6000 gpm Known and Proposed Rates for fy11Known and Proposed Rates for fy11 $40 $35 $30 $25 $20 $15 $10 $5 $0 Council BluffsDubuqueSioux City Ames WaterlooCedar RapidsDavenportWest Des MoinesDes MoinesIowa City O&M Budget Current vs ProposedO&M Budget Current vs Proposed Current PlantCurrent Plant$3.67 Million$3.67 Million Proposed PlantProposed Plant$3.44 Million$3.44 Million6.4% less6.4% less New Plant/Two New Plant/Two $3.23 Million$3.23 Million12% less12% less MicroturbinesMicroturbines Terminal Street Pumping StationTerminal Street Pumping Station Electrical Improvements Electrical Improvements Engineering Engineering  competed fy09competed fy09 Construction Construction  begun fy09begun fy09 Construction Construction  completed in fy10completed in fy10 Addition of Standby Generators Addition of Standby Generators for all Major Pumping Stationsfor all Major Pumping Stations Cedar FY08Cedar FY08  Terminal FY10Terminal FY10  Catfish FY10/11Catfish FY10/11  Portable Generator Capabilities for all Portable Generator Capabilities for all Smaller Pumping Stations CompletedSmaller Pumping Stations Completed Addition of Addition of  Switch Gear for Switch Gear for Smaller StationsSmaller Stations Provide pumping Provide pumping  capabilities in capabilities in event of power event of power failurefailure Portable Pumping Capabilities Portable Pumping Capabilities Added fy10Added fy10 Every Child Every Child Every PromiseEvery Promise Expand Educational  Efforts in School Systems Coordinate With Water  and Fire Departments Plant Tours For All Age  Groups –Mostly School Age Children Terminal Street Pumping StationTerminal Street Pumping Station Mechanical Improvements Mechanical Improvements Engineering fy11Engineering fy11  Construction fy12Construction fy12  Flow MetersFlow Meters  Check ValvesCheck Valves  Control GatesControl Gates  PaintingPainting  Pumping Station Remote MonitoringPumping Station Remote Monitoring Major Stations to be Major Stations to be  completed fy10completed fy10 Smaller Remote Smaller Remote  Stations in fy11Stations in fy11 Uses Established City Uses Established City  InfrastructureInfrastructure Fiber OpticsFiber Optics  Radio NetworkRadio Network  Integrated with WPCP Integrated with WPCP  SCADA SCADA Major Infrastructure ProjectsMajor Infrastructure Projects 20002000--20102010 Pumping StationsPumping StationsWater Pollution Control PlantWater Pollution Control Plant  Catfish Creek Catfish Creek ––20002000Facility Planning Facility Planning ––2008/20092008/2009  Cedar Street Cedar Street ––20052005Design Design ––2009/20102009/2010  City Island City Island --20052005  Terminal StreetTerminal Street--20092009  GeneratorsGenerators  Cedar Cedar ––20052005  Terminal Terminal ––20092009  Catfish (design) Catfish (design) ––20102010  Catfish Creek Station Catfish Creek Station --20002000 Catfish Creek Catfish Creek ––  Station RenovatedStation Renovated ControlsControls  Energy Saving VFDsEnergy Saving VFDs  Close Coupled Close Coupled  Submersible Submersible Pumps/MotorsPumps/Motors Catfish Creek Catfish Creek --Motor Control CenterMotor Control Center Cedar Street Station Cedar Street Station ––2005/20072005/2007 Cedar Street StationCedar Street Station Energy IntensiveEnergy Intensive  Homemade sparesHomemade spares  No Backup PowerNo Backup Power  Cedar Street Cedar Street ––Controls Controls OldModern Cedar Street Cedar Street --MotorsMotors Old –High Voltage Modern Moderate Voltage Terminal Street Station Terminal Street Station --20092009 Motor Control CenterMotor Control Center  Variable Frequency Variable Frequency  Drives (VFD)Drives (VFD) New MotorsNew Motors  New ControlsNew Controls  GeneratorGenerator  Terminal Terminal ––Motor Control CenterMotor Control Center 1957 to 20101957 to 2010 Ancient Switch Gear TerminalTerminal VFD and MCC Generator Control & Switch Gear Terminal Terminal --MotorsMotors Motors from 1957 New High Efficiency Motors Terminal Terminal ––Controls & PumpsControls & Pumps WPCP Project WPCP Project Water Pollution Control PlantWater Pollution Control Plant  Listed as City Council Priority in Goal SettingListed as City Council Priority in Goal Setting  Fy2006Fy2006--20072007  Request for Proposals for Facility Planning Request for Proposals for Facility Planning -- approved by councilapproved by council SRF Planning and design loan applied for SRF Planning and design loan applied for -- 20062006 June 14, 2007 Facility Planning KickJune 14, 2007 Facility Planning Kick--Off Off  Meeting Meeting Series of Public Meetings to Discuss WPCP Series of Public Meetings to Discuss WPCP  FutureFuture Project HistoryProject History June 2, 2008June 2, 2008City Council Approves City Council Approves  Facilities PlanFacilities Plan June 3, 2008June 3, 2008Plan Submittal to the DNRPlan Submittal to the DNR  January 21, 2009January 21, 2009Plan Approved by DNRPlan Approved by DNR  February 2009 Design KickoffFebruary 2009 Design Kickoff  Construction Begins Summer 2010Construction Begins Summer 2010  Substantial Completion 2013Substantial Completion 2013  Project Drivers Project Drivers --Concerns & Concerns & IssuesIssues Plant AgePlant Age 1.1. Performance/Permit Performance/Permit 2.2. ViolationsViolations Regulatory ChangesRegulatory Changes 3.3. Capacity/City GrowthCapacity/City Growth 4.4. Short History of the Water Short History of the Water Pollution Control PlantPollution Control Plant 1960s Construction Preliminary Treatment • Primary Clarifiers • Trickling Filters • Sludge Incinerators • N Short History of the Water Short History of the Water Pollution Control PlantPollution Control Plant 1970s Construction Biological Treatment • Final Clarifiers • Disinfection • Administration Bldg • Sludge Modifications • N Short History of the Water Short History of the Water Pollution Control PlantPollution Control Plant 1990s Modifications Preliminary • Treatment Sludge Management • Biological System • Reduce O&M • N Major Project ElementsMajor Project Elements Preliminary Treatment Upgrade old technology • Replace old equipment • Improve sampling • N Grit Washers –Patches on Patches and Rust Through Major Project ElementsMajor Project Elements Sludge Management Convert solids management to • Anaerobic Digestion Improve solids management • Consider land application as • soil amendment and/or composting High cost item $$$ • N Incinerator Age ProblemsIncinerator Age Problems Roof Patch Patch on Patch on Patch Added External Supports Duct Work Patches Incinerator FailureIncinerator Failure Incinerator is SinkingPatches on Top of Patches Major Project ElementsMajor Project Elements Biological Treatment Replace old equipment • Reduce energy use • Improve hydraulic capacity • N Aeration Basin Mixers & Motors from 1972Aeration Basin Mixers & Motors from 1972 Original Motors and Mixers -1972 Failing Concrete on Pad and Deck Aeration Basin Aeration Basin ––Motor Control Center 1972Motor Control Center 1972 Worn Out Major Project ElementsMajor Project Elements Peak Flow Management Convert abandoned tanks to • wastewater storage Reduce impacts to biological • system Greatly Reduce Violation Potential • From Heavy Rain Events N Major Project ElementsMajor Project Elements Disinfection No longer use Chlorine • N UV for disinfection • Major Project ElementsMajor Project Elements Administration & Maintenance Energy efficiency upgrade • Laboratory expansion • New maintenance and storage • N Administration/LaboratoryAdministration/Laboratory Small LabSmall Lab  Inadequate StorageInadequate Storage  Facilities Worn outFacilities Worn out  Energy WastingEnergy Wasting  Rusted Cabinets Collapsing Countertop Administration/LaboratoryAdministration/Laboratory Energy Star RatingEnergy Star Rating  Heating/Cooling Using Plant Heating/Cooling Using Plant  Effluent WaterEffluent Water Conference/Training AreaConference/Training Area  SCADA RoomSCADA Room  Remote TroubleshootingRemote Troubleshooting  Connection to City DatacentersConnection to City Datacenters  IT CenterIT Center  City Fiber OpticsCity Fiber Optics  Radio ConnectionsRadio Connections  Remote Station MonitoringRemote Station Monitoring  Administration/LaboratoryAdministration/Laboratory From Julien Dubuque Drive Landscaping DesignLandscaping Design Rain GardensRain Gardens  Low Mow Lawn MixLow Mow Lawn Mix  Native Prairie MixNative Prairie Mix  Small, Moderate and Large Deciduous TreesSmall, Moderate and Large Deciduous Trees  Evergreen TreesEvergreen Trees  Deciduous and Evergreen ShrubsDeciduous and Evergreen Shrubs  PerennialsPerennials  Landscape Design Landscape DesignLandscape Design Review of Proposed Project Elements Anaerobic Digesters and Control Building Renovation and Lab Addition Replace Equipment In-Plant Waste Pump Remove Ash Ponds Peak Flow Station RAS Pump MLSS Splitter and Dewatering Pad Equalization Station Structure Maintenance Activated Tanks Primary Primary Ash Pad Sludge Building ClarifierClarifier Train C Ash Pond Solids Final Clarifier Activated Final Clarifier Handling Sludge New Streets/Traffic Train B Bldg Primary Cold Storage Building Clarifier Grit WAS Ash Pond Activated Basins WAS Pumps Sludge Storage Liquid O Train A UV Tank Tank 2 Storage New Primary Clarifier and Final Clarifier Final Clarifier Weir Covers Screening New Cascade Bldg (Remove Domes ) Aerator New Energy Dissipating Reuse Dechlorination New Screens, Grit Inlets Convert Chlorine New Equipment; Upgrade Classifiersand WAS Storage , Contact Tank to UV AerationLOX Controls Aeration BlowersRemove ; Tank Diffusers Chlorine Equipment New Influent Flow Meters and Samplers Cogeneration Cogeneration ––Combined Heat & PowerCombined Heat & Power Inclusion Was to be Considered During Inclusion Was to be Considered During  the Design Phase the Design Phase Reduces Need for Two Boilers to OneReduces Need for Two Boilers to One  Net Revenue GenerationNet Revenue Generation  Reduced Carbon FootprintReduced Carbon Footprint  Modular Construction and Operation Modular Construction and Operation  Using MicroturbinesUsing Microturbines CogenerationCogeneration With and Without Food Scraps or Other With and Without Food Scraps or Other  High Strength WastesHigh Strength Wastes Public or Privately OperatedPublic or Privately Operated  Reviewing Which Options are Best for CityReviewing Which Options are Best for City  Income of Approximately $200,000 for City Income of Approximately $200,000 for City  Operated Combined Heat & Power Using Operated Combined Heat & Power Using Two TurbinesTwo Turbines WPCP Construction WPCP Construction ––Opinion of Opinion of Probable CostsProbable Costs Construction $49,879,000Construction $49,879,000  Contingencies $ 4,988,000Contingencies $ 4,988,000  Total Construction $54,867,000Total Construction $54,867,000  Design & Bidding $ 3,006,000Design & Bidding $ 3,006,000  Construction Services $ 5,100,000Construction Services $ 5,100,000  Total Project $62,973,000Total Project $62,973,000  WPCP Design & Bidding Progress WPCP Design & Bidding Progress Tentative ScheduleTentative Schedule 90% Design Review Jan. 27, 201090% Design Review Jan. 27, 2010  Presentation to Council March 2010Presentation to Council March 2010  Submit Design to IDNRSubmit Design to IDNR  IDNR Approval April 2010IDNR Approval April 2010  Project BidProject BidMay 2010May 2010  Project Award June 2010Project Award June 2010  WPCP Personnel Will Continue to Provide WPCP Personnel Will Continue to Provide Essential Services to the Citizens of Essential Services to the Citizens of Dubuque in a Highly Efficient MannerDubuque in a Highly Efficient Manner