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