sewpcc upgrading/expansion preliminary design report table ...€¦ · sewpcc upgrading/expansion...

SEWPCC Upgrading/Expansion Preliminary Design Report

Table of Contents EXECUTIVE SUMMARY ......................................................................................................... E.1 INTRODUCTION ...................................................................................................................... E.1 INFORMATION TRANSFER .................................................................................................... E.1 REGULATORY FRAMEWORK ................................................................................................ E.2 POPULATION AND FLOW PROJECTIONS ............................................................................ E.3 INFLUENT CHARACTERIZATION AND LOAD PROJECTIONS............................................. E.4 BUILDING ASSESSMENT ....................................................................................................... E.5 DESIGN REQUIREMENTS ...................................................................................................... E.6 BNR OPTIONS ......................................................................................................................... E.6 INFLUENT INTERCEPTOR / ST. MARY’S ROAD OVERFLOW.............................................. E.7 WET WEATHER FLOW OPTIONS .......................................................................................... E.7 WET WEATHER TREATMENT ................................................................................................ E.8 FLOOD PROTECTION ............................................................................................................. E.9 SEPTAGE MANAGEMENT ...................................................................................................... E.9 LEACHATE TREATMENT ...................................................................................................... E.10 PROCESS MODELING .......................................................................................................... E.11 BIOSOLIDS HANDLING AND TREATMENT ......................................................................... E.11 FACILITY LAYOUTS .............................................................................................................. E.12 ODOUR CONTROL ................................................................................................................ E.12 ELECTRICAL.......................................................................................................................... E.13 INSTRUMENTATION AND CONTROL .................................................................................. E.14 SUSTAINABLE DESIGN APPROACH FOR THE SEWPCC.................................................. E.14 OPINION OF PROBABLE COST ........................................................................................... E.15 EVALUATION OF SHORT-LISTED TREATMENT OPTIONS................................................ E.15 IMPLEMENTATION PLAN...................................................................................................... E.16 RISK ANALYSIS AND MANAGEMENT.................................................................................. E.17

1.0 INTRODUCTION............................................................................................................1.1 1.1 BACKGROUND .............................................................................................................1.1 1.2 PROJECT OBJECTIVES ...............................................................................................1.3 1.3 PRELIMINARY DESIGN SCOPE ..................................................................................1.3 1.4 PROJECT TEAM ...........................................................................................................1.4

1.4.1 City Representatives......................................................................................1.4 1.4.2 Prime Consultant ...........................................................................................1.4 1.4.3 Subconsultants ..............................................................................................1.5 1.4.4 Independent Specialist Advisors....................................................................1.5

1.5 ACRONYMS ..................................................................................................................1.5

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SEWPCC Upgrading/Expansion Preliminary Design Report Table of Contents (Con’t)

2.0 PRELIMINARY DESIGN INFORMATION TRANSFER.................................................2.1 2.1 INTRODUCTION............................................................................................................2.1 2.2 PARTNERING SESSION...............................................................................................2.1 2.3 TECHNICAL MEMORANDA ..........................................................................................2.1 2.4 CITY OF WINNIPEG INPUT AND DIRECTION.............................................................2.2 2.5 EVOLUTION OF THE SEWPCC UPGRADING / EXPANSION DESIGN......................2.2

3.0 REGULATORY FRAMEWORK.....................................................................................3.1 3.1 INTRODUCTION............................................................................................................3.1 3.2 REGULATORY FRAMEWORKS / ISSUES ...................................................................3.1 3.3 MANITOBA CONSERVATION REQUIREMENTS.........................................................3.1

3.3.1 CBOD5 and TSS ............................................................................................3.3 3.3.2 Phosphorus....................................................................................................3.3 3.3.3 Nitrogen .........................................................................................................3.3 3.3.4 Ammonia........................................................................................................3.4 3.3.5 Coliform .........................................................................................................3.4 3.3.6 Odor...............................................................................................................3.4 3.3.7 Wet-Weather Flows (WWFs) .........................................................................3.5 3.3.8 WWF Bypass of Secondary/BNR at the SEWPCC .......................................3.8

3.4 LICENCE REQUIREMENTS IN OTHER JURISDICTIONS...........................................3.8 3.5 ALTERNATIVE LEVELS OF TREATMENT .................................................................3.10 3.6 FUTURE REGULATORY TRENDS .............................................................................3.12

3.6.1 Canada-wide Strategy for the Management of Wastewater Effluent...........3.12 3.6.2 Increasingly Stringent Nutrient Limits ..........................................................3.13 3.6.3 Pharmaceuticals and Personal Care Product Residuals .............................3.13

4.0 POPULATION AND FLOW PROJECTIONS.................................................................4.1 4.1 POPULATION FORECAST ...........................................................................................4.1

4.1.1 Source Data...................................................................................................4.1 4.1.2 Method of Projection Population....................................................................4.1 4.1.3 Factors Affecting Population Projection.........................................................4.2 4.1.4 Population Projection Envelopes ...................................................................4.4 4.1.5 Population Forecast for SEWPCC Service Area ...........................................4.7

4.2 FLOW FORECASTS....................................................................................................4.15 4.2.1 Dry-Weather Flow (DWF) Projection ...........................................................4.15 4.2.2 Wet-Weather Flow (WWF) Projections........................................................4.29 4.2.3 Maximum and Minimum Flows ....................................................................4.39

5.0 INFLUENT CHARACTERIZATION AND LOAD PROJECTIONS.................................5.1 5.1 INTRODUCTION............................................................................................................5.1

5.1.1 Objective of Influent Characterization............................................................5.1 5.1.2 Limitations of Influent Characterization..........................................................5.1

5.2 INFORMATION REQUIREMENTS FOR DESIGN.........................................................5.1

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5.2.1 General Requirements...................................................................................5.1 5.2.2 Site Specific Requirements for the SEWPCC..............................................5.11 5.2.3 Requirements for Influent Characterization .................................................5.12

5.3 SAMPLING AND ANALYSIS PROGRAM....................................................................5.12 5.3.1 Overall Program Objectives.........................................................................5.12 5.3.2 Sampling and Analysis Protocols ................................................................5.13 5.3.3 Sampling Plan and Schedule.......................................................................5.18

5.4 DATA REVIEW AND ANALYSIS .................................................................................5.19 5.4.1 Historical Data Review.................................................................................5.19 5.4.2 Per Capita Loading Factors .........................................................................5.21 5.4.3 Benchmarking Historical Per Capita Loading Factors Against Other

Communities................................................................................................5.22 5.4.4 Recommended Design Average Annual Loadings ......................................5.24 5.4.5 Development of Loading Factors for Design Loading Conditions................5.25 5.4.6 Recommended Design Loadings.................................................................5.28 5.4.7 Review of Data Generated as Part of Influent Characterization Study........5.29

5.5 SUMMARY OF PRELIMINARY OBSERVATIONS AND CONCLUSIONS ..................5.39 5.5.1 General Observations..................................................................................5.39

5.6 NEXT STEPS...............................................................................................................5.40

6.0 BUILDING ENVELOPE / STRUCTURE ASSESSMENT ..............................................6.1 6.1 INTRODUCTION............................................................................................................6.1 6.2 SCOPE OF WORK ........................................................................................................6.1 6.3 FACILITY ASSESSMENT..............................................................................................6.2

6.3.1 Administration Building and Expansion .........................................................6.3 6.3.2 Pump and Screen Building ............................................................................6.5 6.3.3 Grit Building ...................................................................................................6.6 6.3.4 Maintenance/Service Building .......................................................................6.7 6.3.5 Standby Generator Building...........................................................................6.8 6.3.6 Oil Storage Building .......................................................................................6.9 6.3.7 Odor Control Stack ......................................................................................6.10 6.3.8 Primary Clarifiers Nos. 1 and 2....................................................................6.10 6.3.9 Primary Clarifier No. 3 .................................................................................6.11 6.3.10 Oxygen Reactors Nos. 1 and 2....................................................................6.12 6.3.11 Oxygen Reactors Nos. 3 and 4....................................................................6.13 6.3.12 PSA Building................................................................................................6.13 6.3.13 Sludge Thickening and Sludge Truck Bay...................................................6.14 6.3.14 Secondary Clarifiers Nos. 1 and 2 ...............................................................6.15 6.3.15 Secondary Clarifier No. 3.............................................................................6.16 6.3.16 UV Building ..................................................................................................6.17

6.4 SUMMARY...................................................................................................................6.18 6.4.1 Structural Assessment Summary ................................................................6.19 6.4.2 Building Envelope Assessment Summary ...................................................6.21

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7.0 DESIGN REQUIREMENTS ...........................................................................................7.1 7.1 INTRODUCTION............................................................................................................7.1 7.2 PROJECTED DESIGN POPULATION AND PER CAPITA FLOW ................................7.1 7.3 DESIGN FLOWS............................................................................................................7.1 7.4 DESIGN LOADINGS......................................................................................................7.2

8.0 BIOLOGICAL NUTRIENT REMOVAL PROCESS OPTIONS.......................................8.1 8.1 INTRODUCTION............................................................................................................8.1 8.2 DESIGN CRITERIA FOR BNR PROCESS EVALUATION ............................................8.2 8.3 OTHER FLOW CONSIDERATIONS..............................................................................8.3

8.3.1 CSO Diversions to NEWPCC ........................................................................8.3 8.3.2 I & I Reduction ...............................................................................................8.4

8.4 BIOLOGICAL NUTRIENT REMOVAL............................................................................8.4 8.4.1 General ..........................................................................................................8.4 8.4.2 INITIAL SCREENING OF TREATMENT OPTIONS FOR THE SEWPCC...8.11 8.4.3 BNR Process Enhancement/Modifications ..................................................8.18 8.4.4 Side Stream Treatment Alternatives For Wet Weather Flows .....................8.23

8.5 DISCUSSION OF TREATMENT ALTERNATIVES FOR SEWPCC.............................8.24 8.5.1 List of Alternatives .......................................................................................8.25

8.6 SHORTLISTED TREATMENT ALTERNATIVES .........................................................8.31 8.7 OPINION OF PROBABLE CONSTRUCTION AND O & M COSTS.............................8.32

8.7.1 Capital Costs ...............................................................................................8.32 8.7.2 Operation and Maintenance Costs ..............................................................8.32

8.8 EVALUATION PROCESS AND CRITERIA..................................................................8.32

9.0 INFLUENT INTERCEPTOR / ST. MARY’S OVERFLOW .............................................9.1 9.1 INTRODUCTION............................................................................................................9.1

9.1.1 Goals of the Assessment...............................................................................9.1 9.1.2 Approach and Assumptions...........................................................................9.1 9.1.3 Key Questions ...............................................................................................9.3

9.2 COMPONENTS OF THE SOUTH END SEWER SYSTEM ANALYSIS.........................9.3 9.2.1 Scenarios Assessed ......................................................................................9.3 9.2.2 Wet-Weather Management Options ..............................................................9.6

9.3 ANALYSIS OF SOUTH END SEWER SYSTEM SCENARIOS .....................................9.6 9.3.1 Red River Elevation .......................................................................................9.6 9.3.2 Estimation of Pumping Station Capacities in 2031 ........................................9.8 9.3.3 Overview of Scenario Analysis ....................................................................9.15 9.3.4 Peak-Day Hydraulic Analysis.......................................................................9.16 9.3.5 Peak-Hour Analysis .....................................................................................9.18 9.3.6 SEWPCC Standby Pumping........................................................................9.25 9.3.7 Impacts of the Addition of a Potential New Interceptor................................9.27

9.4 CONCLUSION .............................................................................................................9.28 9.4.1 Key Findings ................................................................................................9.28 9.4.2 Monitoring and Control Implications ............................................................9.29

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10.0 WET WEATHER FLOW OPTIONS .............................................................................10.1 10.1 INTRODUCTION..........................................................................................................10.1 10.2 WET WEATHER FLOWS ............................................................................................10.1

10.2.1 Collection System Operation .......................................................................10.2 10.3 OPTION 1 – BRING WET WEATHER FLOWS TO SEWPCC FOR TREATMENT .....10.5

10.3.1 Collection System Upgrades .......................................................................10.5 10.3.2 Raw Wastewater Pumping ..........................................................................10.6 10.3.3 Treatment / Disinfection...............................................................................10.7 10.3.4 Outfall ..........................................................................................................10.9

10.4 OPTION 2 – TREAT WET WEATHER FLOWS AT SEWPCC AND D’ARCY PUMP STATION......................................................................................................................10.9 10.4.1 Collection System........................................................................................10.9 10.4.2 Raw Wastewater Pumping ........................................................................10.10 10.4.3 Treatment / Disinfection.............................................................................10.10 10.4.4 Outfall ........................................................................................................10.11

10.5 SUMMARY AND RECOMMENDATIONS..................................................................10.12

11.0 WET WEATHER TREATMENT...................................................................................11.1 11.1 INTRODUCTION..........................................................................................................11.1 11.2 BASIS OF ANALYSIS ..................................................................................................11.3

11.2.1 Maximum Day Flows for Wet Weather Treatment at SEWPCC ..................11.3 11.2.2 SEWPCC Secondary Process Upgrade Options.........................................11.3 11.2.3 Wastewater Characteristics .........................................................................11.5

11.3 WET WEATHER TREATMENT ALTERNATIVES .......................................................11.6 11.3.1 Chemically Enhanced Primary Treatment (CEPT) ......................................11.7 11.3.2 High Rate Clarification PROCESSES..........................................................11.9 11.3.3 Retention Treatment Basin (RTB) .............................................................11.15

11.4 DISCUSSION AND PROCESS SHORT-LISTING.....................................................11.17 11.5 EXPERIENCE ELSEWHERE ....................................................................................11.20

11.5.1 Gold Bar WWTP Enhanced Primary Treatment, Edmonton......................11.20 11.5.2 Bay View WWTP, Toledo, Ohio – High Rate Dense Sludge Process .......11.22 11.5.3 Village Creek WWTP - Fort Worth, Texas .................................................11.23 11.5.4 Willow Lake WPCF – Salem, Oregon - Peak Excess Flow Treatment

Facility (PEFTF).........................................................................................11.24 11.5.5 Lawrence WWTP, Lawrence, Kansas - Excess Flow Treatment

Facility (EFTF) ...........................................................................................11.25 11.5.6 Baton Rouge WWTP – Baton Rouge, Louisiana .......................................11.27 11.5.7 San Francisco, California...........................................................................11.28 11.5.8 Windsor Retention Treatment Basin ESR and Functional Design/

Pilot Plant...................................................................................................11.29 11.6 PRELIMINARY JAR TESTING ..................................................................................11.30

11.6.1 Summary of Jar Test Results and Discussions .........................................11.33 11.7 CONCLUSIONS.........................................................................................................11.34 11.8 RECOMMENDATIONS..............................................................................................11.35 11.9 FUTURE DIRECTIONS .............................................................................................11.35

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12.0 FLOOD PROTECTION ................................................................................................12.1 12.1 INTRODUCTION..........................................................................................................12.1

12.1.1 Future Wet Weather Flows and Flood Levels..............................................12.1 12.2 OUTFALL EVALUATION .............................................................................................12.2

12.2.1 Existing Outfall.............................................................................................12.2 12.2.2 Options to Increase Outfall Capacity ...........................................................12.5

12.3 FLOOD PROTECTION OF PLANT..............................................................................12.8 12.3.1 Introduction ..................................................................................................12.8 12.3.2 Flood Prevention Steps Taken in 1997........................................................12.8 12.3.3 Flood Threats.............................................................................................12.10 12.3.4 Flood Protection of the Plant by a Perimeter Dyke....................................12.14

12.4 SUMMARY AND RECOMMENDATION ....................................................................12.16 12.4.1 Outfall ........................................................................................................12.16 12.4.2 Flood Protection of the Plant .....................................................................12.17

13.0 SEPTAGE MANAGEMENT.........................................................................................13.1 13.1 INTRODUCTION..........................................................................................................13.1

13.1.1 Background..................................................................................................13.1 13.2 SEPTAGE CHARACTERIZATION...............................................................................13.2

13.2.1 Septage Flows .............................................................................................13.3 13.2.2 Septage Concentrations ..............................................................................13.4 13.2.3 Summary of WEWPCC/SEWPCC Data VS. Literature Values ...................13.7

13.3 PROJECTED SEPTAGE CONDITIONS AND BASIS OF ANALYSIS .........................13.7 13.3.1 Projected Flows, Concentrations and Loadings ..........................................13.8 13.3.2 Basis of Analysis..........................................................................................13.8

13.4 SEPTAGE MANAGEMENT OPTIONS ......................................................................13.12 13.4.1 Septage Management Practices Elsewhere..............................................13.13 13.4.2 Feasible Septage Treatment Options at SEWPCC ...................................13.15

13.5 OPTIONS EVALUATION ...........................................................................................13.19 13.5.1 Selection of Preferred Option ....................................................................13.22

13.6 SUMMARY AND RECOMMENDATIONS..................................................................13.23 13.6.1 Key Findings ..............................................................................................13.23 13.6.2 Clarifications Needing City Input................................................................13.25 13.6.3 Summary of the Winnipeg Regional Hauled Wastewater Plan..................13.26

14.0 LEACHATE TREATMENT ..........................................................................................14.1 14.1 INTRODUCTION..........................................................................................................14.1

14.1.1 Background..................................................................................................14.1 14.2 LICENCING REQUIREMENTS....................................................................................14.3

14.2.1 Licencing Requirements ..............................................................................14.3 14.3 LEACHATE CHARACTERIZATION.............................................................................14.4

14.3.1 Introduction ..................................................................................................14.4 14.3.2 Leachate Quantities.....................................................................................14.5 14.3.3 Leachate Concentrations.............................................................................14.6

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14.3.4 Impact of Metals in Leachate.......................................................................14.8


14.3.5 Impact of Pesticides, PCB, PAH, BETEX, and EDC in Leachate................14.9 14.3.6 Impact of BOD and Potential Carbon Source for BNR ..............................14.10 14.3.7 Leachate Loadings ....................................................................................14.10

14.4 PROJECTED LEACHATE CONDITIONS AND DESIGN BASIS...............................14.10 14.4.1 Introduction ................................................................................................14.10 14.4.2 Projected Flows .........................................................................................14.11 14.4.3 Projected Concentrations and Loadings....................................................14.11

14.5 LEACHATE MANAGEMENT OPTIONS ....................................................................14.12 14.5.1 Introduction ................................................................................................14.12 14.5.2 Leachate Management Practices Elsewhere ............................................14.14

14.6 OPTIONS EVALUATION ...........................................................................................14.15 14.6.1 Introduction ................................................................................................14.15 14.6.2 Option Selection ........................................................................................14.15 14.6.3 Transport of Leachate from Brady Road to SEWPCC...............................14.16

14.7 SUMMARY AND RECOMMENDATIONS..................................................................14.16 14.7.1 Preliminary Key Findings ...........................................................................14.16 14.7.2 Limitations..................................................................................................14.18

15.0 PROCESS MODELING ...............................................................................................15.2 15.1 INTRODUCTION..........................................................................................................15.2

15.1.1 Background..................................................................................................15.2 15.1.2 Objectives of Process Modeling ..................................................................15.4 15.1.3 Limitations of Process Modeling ..................................................................15.4

15.2 MODELING APPROACH.............................................................................................15.5 15.2.1 General Approach........................................................................................15.5 15.2.2 Model Development and Assumptions ........................................................15.5

15.3 MODELING RESULTS ..............................................................................................15.14 15.3.1 Introduction ................................................................................................15.14 15.3.2 Summary of Past Experience at Similar Facilities .....................................15.14 15.3.3 Mass Balance Model .................................................................................15.15 15.3.4 Evaluation of Bioreactor Volumes Using Process Simulation Software ....15.16

15.4 SUMMARY AND CONCLUSIONS.............................................................................15.18

16.0 BIOSOLIDS HANDLING AND TREATMENT..............................................................16.1 16.1 INTRODUCTION..........................................................................................................16.1 16.2 CURRENT PRACTICE AND FLOW CONDITIONS.....................................................16.1 16.3 SOLIDS PRODUCTION AND CHARACTERIZATION.................................................16.3

16.3.1 Solids Volume..............................................................................................16.3 16.3.2 Regulatory Requirements ............................................................................16.4 16.3.3 Product Market and End-Use Conditions ....................................................16.5 16.3.4 City of Winnipeg Biosolids Management Study ...........................................16.5 16.3.5 Economic Feasibility of On-Site Solids Processing And Treatment ............16.6

16.4 BIOSOLIDS MANAGEMENT ALTERNATIVES AT SEWPCC.....................................16.7 16.4.1 Pelletization .................................................................................................16.7 16.4.2 Thermal Oxidation .......................................................................................16.9

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16.4.3 Composting................................................................................................16.12 16.4.4 Land Filling ................................................................................................16.15 16.4.5 Land Application ........................................................................................16.17

16.5 OTHER ALTERNATIVES...........................................................................................16.19 16.5.1 Trucking of Thickened Solids from SEWPCC to NEWPCC.......................16.19

16.6 OPINION OF PROBABLE COSTS FOR BIOSOLIDS OPTIONS ..............................16.20 16.7 RECOMMENDED BIOSOLIDS OPTION ...................................................................16.23

17.0 FACILITY LAYOUTS...................................................................................................17.1 17.1 INTRODUCTION..........................................................................................................17.1

17.1.1 Background..................................................................................................17.1 17.1.2 Purpose .......................................................................................................17.1

17.2 LIQUID WASTE DISPOSAL FACILITY........................................................................17.1 17.2.1 Function .......................................................................................................17.1 17.2.2 Existing Facility ............................................................................................17.2 17.2.3 Septage Characteristics...............................................................................17.2 17.2.4 Proposed Facilities ......................................................................................17.2 17.2.5 Constructability ............................................................................................17.4

17.3 PLANT INLET WORKS AND RAW SEWAGE PUMPING ...........................................17.5 17.3.1 Function .......................................................................................................17.5 17.3.2 Existing Facility ............................................................................................17.5 17.3.3 Projected Raw Sewage Flows and Pump Capacity.....................................17.6 17.3.4 Proposed Facility .........................................................................................17.6 17.3.5 Constructability ............................................................................................17.7

17.4 PRELIMINARY TREATMENT......................................................................................17.8 17.4.1 Projected Flows ...........................................................................................17.8 17.4.2 Screening Facility ........................................................................................17.8 17.4.3 Grit Removal..............................................................................................17.10 17.4.4 Inlet Channels............................................................................................17.11 17.4.5 Odor Control ..............................................................................................17.12 17.4.6 Constructability ..........................................................................................17.12

17.5 PRIMARY TREATMENT............................................................................................17.13 17.5.1 Purpose .....................................................................................................17.13 17.5.2 Existing Facility ..........................................................................................17.13 17.5.3 Design Capacity.........................................................................................17.15 17.5.4 Proposed Facility .......................................................................................17.15 17.5.5 Constructability ..........................................................................................17.17

17.6 BIOREACTORS .........................................................................................................17.17 17.6.1 Purpose .....................................................................................................17.17 17.6.2 Existing Facility ..........................................................................................17.18 17.6.3 Proposed Facility .......................................................................................17.20 17.6.4 Constructability ..........................................................................................17.22

17.7 SOLIDS SEPARATION (SECONDARY CLARIFIERS)..............................................17.23 17.7.1 Purpose .....................................................................................................17.23 17.7.2 Existing Facility ..........................................................................................17.23 17.7.3 Secondary Clarifiers ..................................................................................17.23

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17.7.4 Proposed Facility .......................................................................................17.25 17.7.5 Constructability ..........................................................................................17.27

17.8 PRIMARY SLUDGE FERMENTATION......................................................................17.27 17.8.1 Purpose .....................................................................................................17.27 17.8.2 Existing Facility ..........................................................................................17.27 17.8.3 Proposed Facility .......................................................................................17.27 17.8.4 Constructability ..........................................................................................17.28

17.9 SOLIDS HANDLING ..................................................................................................17.28 17.9.1 Purpose .....................................................................................................17.28 17.9.2 Existing Facility ..........................................................................................17.28 17.9.3 Projected Sludge Quantities ......................................................................17.28 17.9.4 Proposed Facility .......................................................................................17.29 17.9.5 Constructability ..........................................................................................17.31

17.10 EFFLUENT DISINFECTION ......................................................................................17.31 17.10.1 Purpose .....................................................................................................17.31 17.10.2 Design Flows .............................................................................................17.32 17.10.3 Existing Facility ..........................................................................................17.33 17.10.4 Proposed Facility .......................................................................................17.34 17.10.5 Constructability ..........................................................................................17.36

18.0 ODOR CONTROL........................................................................................................18.1 18.1 BACKGROUND ...........................................................................................................18.1 18.2 SEWPCC LICENCE REQUIREMENTS.......................................................................18.3 18.3 CURRENT SITUATION ...............................................................................................18.4 18.4 SEWPCC UPGRADE/EXPANSION AND ODOR SOURCES......................................18.5 18.5 ODOR CONTROL ALTERNATIVES............................................................................18.5

18.5.1 Wet Chemical Scrubbers .............................................................................18.5 18.5.2 Activated Carbon Adsorbers........................................................................18.8 18.5.3 Thermal Oxidation .......................................................................................18.9 18.5.4 Biofilters .....................................................................................................18.12 18.5.5 Biological Scrubbers ..................................................................................18.13 18.5.6 Diffusion into Aeration Basins....................................................................18.15 18.5.7 Odor Counteractants and Masking Agents................................................18.15 18.5.8 Emerging Technologies .............................................................................18.15

18.6 PRELIMINARY ODOR CONTROL RECOMMENDATIONS ......................................18.16 18.6.1 Next Steps .................................................................................................18.16

19.0 ELECTRICAL ..............................................................................................................19.1 19.1 INTRODUCTION..........................................................................................................19.1 19.2 ELECTRICAL SUPPLY................................................................................................19.1 19.3 PRIMARY / SECONDARY POWER DISTRIBUTION ..................................................19.2 19.4 STANDBY POWER......................................................................................................19.2 19.5 METERING, MONITORING AND PROTECTIVE FUNCTIONS ..................................19.3 19.6 INSTALLATION STANDARDS AND AREA CLASSIFICATIONS ................................19.4 19.7 DRIVES........................................................................................................................19.4

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SEWPCC Upgrading/Expansion Preliminary Design Report Table of Contents (Con’t) 19.8 BUILDING SERVICES .................................................................................................19.5 19.9 MANITOBA HYDRO PLANS AND POWER SMART...................................................19.5

20.0 INSTRUMENTATION AND CONTROL.......................................................................20.1 20.1 INTRODUCTION..........................................................................................................20.1 20.2 APROACH TO AUTOMATION ....................................................................................20.1

20.2.1 New Hardware and I/O ................................................................................20.1 20.2.2 New Interfaces.............................................................................................20.3

20.3 USER REQUIREMENTS .............................................................................................20.3 20.3.1 New Displays ...............................................................................................20.3 20.3.2 New ABB Displays – Optional Considerations Alternative 1 .......................20.4 20.3.3 Alternate HMI Technology – Optional Considerations Alternative 2............20.4 20.3.4 Integrated Control Elements ........................................................................20.5 20.3.5 External Data Sources.................................................................................20.5 20.3.6 Summary .....................................................................................................20.6

20.4 CONTROL SYSTEM ARCHITECTURE.......................................................................20.7 20.4.1 Existing Architecture ....................................................................................20.7 20.4.2 New Equipment Architecture .......................................................................20.7 20.4.3 External Data Sources.................................................................................20.7

20.5 CONTROL SYSTEM HARDWARE AND SOFTWARE................................................20.8 20.5.1 Existing System ...........................................................................................20.8 20.5.2 INFI 90 .........................................................................................................20.8 20.5.3 IndustrialIT System 800xA – Optional Considerations Alternative 1.............20.8 20.5.4 Third Party Solutions – Optional Considerations Alternative 2 ....................20.8 20.5.5 Summary .....................................................................................................20.9 20.5.6 Control Software ..........................................................................................20.9

20.6 PLANT COMMUNICATION AND ALARM SYSTEMS ...............................................20.10 20.6.1 Existing System .........................................................................................20.10 20.6.2 WAN Communications...............................................................................20.10 20.6.3 Alarm Systems...........................................................................................20.10 20.6.4 Alarm Displays...........................................................................................20.10 20.6.5 Remote Notification Optional Considerations ............................................20.11 20.6.6 North Plant Monitoring Optional Considerations........................................20.11 20.6.7 Power Monitoring and Control ...................................................................20.11

20.7 INTEGRATED CONTROL ELEMENTS .....................................................................20.11 20.7.1 Existing System .........................................................................................20.11 20.7.2 OPC Interfaces ..........................................................................................20.12 20.7.3 Serial Interfaces.........................................................................................20.12 20.7.4 I/O Interfaces .............................................................................................20.12 20.7.5 SCADA HMI...............................................................................................20.12 20.7.6 Summary ...................................................................................................20.13

20.8 ANALYTICAL INSTRUMENTS ..................................................................................20.13 20.9 NON-ANALYTICAL INSTRUMENTS .........................................................................20.14

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21.0 SUSTAINABLE DESIGN APPROACH FOR SEWPCC..............................................21.1 21.1 INTRODUCTION..........................................................................................................21.1 21.2 SUSTAINABLE DESIGN PROCESS OBJECTIVES....................................................21.1 21.3 EVALUATION AND DOCUMENTATION OF SUSTAINABLE DESIGN.......................21.3 21.4 SUSTAINABLE DESIGN PROCESS APPROACH......................................................21.5 21.5 POTENTIAL SUSTAINABLE DESIGN OPTIONS FOR CONSIDERATION AT THE

SEWPCC .....................................................................................................................21.8

22.0 ADDITIONAL TREATMENT OPTIONS.......................................................................22.1 22.1 INTRODUCTION..........................................................................................................22.1

22.1.1 Background..................................................................................................22.1 22.1.2 Purpose .......................................................................................................22.2 22.1.3 Design Requirements ..................................................................................22.2

22.2 PROCESS DESCRIPTIONS........................................................................................22.2 22.2.1 Option G: Activated Sludge/High Rate Modified Johannesburg BNR

with IFAS Media and Side Stream Treatment .............................................22.2 22.2.2 Option K: High Purity Oxygen Phoredox Process (A/O) followed by

Separate Stage Nitrification in a Moving Bed Biofilm Reactor (MBBR), Post-Nitrification with Methanol Addition and Side Stream Treatment ........22.4

22.2.3 Option L: High Purity Oxygen BNR Followed by Separate Stage Nitrification in Moving Bed Biofilm Reactor (MBBR) and Side Stream Treatment .............22.7

22.2.4 Option C-1: High Rate Activated Sludge Process with Chemical Phosphorus Removal and Side Stream Treatment for Wet Weather Flows (CEPT).......22.9

22.2.5 Option K-1: HPO with Chemical Phosphorus Removal followed by Separate Stage Nitrification in a Moving Bed Biofilm Reactor (MBBR), Post-Denitrification with Methanol Addition and Side Stream Treatment for Wet Weather Flows (CEPT)................................................................................22.9

22.2.6 Options L-1: HPO with Chemical Phosphorus Removal followed by Separate Stage Nitrification in Moving Bed Biofilm Reactor (MBBR) and for Wet Weather Flows (CEPT)..............................................................................22.10

22.3 PROCESS MODELING .............................................................................................22.10 22.3.1 Limitations of Process Modeling ................................................................22.10 22.3.2 Modeling Approach....................................................................................22.11 22.3.3 Model Development and Assumptions ......................................................22.11 22.3.4 Modeling Results .......................................................................................22.12 22.3.5 Evaluation of Bioreactor Volumes Using Process Simulation Software ....22.12 22.3.6 Secondary Clarifier Sizing .........................................................................22.13

22.4 FACILITY LAYOUT ....................................................................................................22.13 22.4.1 Site Plan ....................................................................................................22.13 22.4.2 Common Components...............................................................................22.13

22.5 BIOREACTORS .........................................................................................................22.15 22.5.1 Purpose .....................................................................................................22.15 22.5.2 Existing Facility ..........................................................................................22.15 22.5.3 Proposed Facility .......................................................................................22.15 22.5.4 Constructability ..........................................................................................22.17

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SEWPCC Upgrading/Expansion Preliminary Design Report Table of Contents (Con’t) 22.6 SOLIDS SEPARATION (SECONDARY CLARIFIERS)..............................................22.18

22.6.1 Purpose .....................................................................................................22.18 22.6.2 Existing Facility ..........................................................................................22.18 22.6.3 Proposed Facility .......................................................................................22.18 22.6.4 Constructability ..........................................................................................22.19

22.7 PRIMARY SLUDGE FERMENTATION......................................................................22.20 22.7.1 Purpose .....................................................................................................22.20 22.7.2 Existing Facility ..........................................................................................22.20 22.7.3 Proposed Facility .......................................................................................22.20 22.7.4 Constructability ..........................................................................................22.20

22.8 INTERMEDIATE PUMPING STATION ......................................................................22.21 22.9 METHANOL STORAGE AND FEED SYSTEM..........................................................22.21 22.10 SOLIDS HANDLING ..................................................................................................22.22

22.10.1 Purpose .....................................................................................................22.22 22.10.2 Existing Facility ..........................................................................................22.22 22.10.3 Projected Sludge Quantities ......................................................................22.22 22.10.4 Proposed Facility .......................................................................................22.22 22.10.5 Constructability ..........................................................................................22.24

22.11 EFFLUENT DISINFECTION ......................................................................................22.24 22.11.1 Purpose .....................................................................................................22.24 22.11.2 Design Flows .............................................................................................22.24 22.11.3 Existing Facility ..........................................................................................22.25 22.11.4 Proposed Facility .......................................................................................22.25 22.11.4 Constructability ..........................................................................................22.26

23.0 OPINION OF PROBABLE COST................................................................................23.1 23.1 INTRODUCTION..........................................................................................................23.1

23.1.1 Introduction ..................................................................................................23.1 23.1.2 Background..................................................................................................23.1 23.1.3 Preliminary Design of Short Listed Treatment Processes ...........................23.2 23.1.4 Limitations of Opinion of Probable Cost ......................................................23.3

23.2 ASSUMPTIONS ...........................................................................................................23.3 23.2.1 Design Criteria .............................................................................................23.3 23.2.2 Process........................................................................................................23.4 23.2.3 Allowances...................................................................................................23.5 23.2.4 Financial ......................................................................................................23.5 23.2.5 Exclusions....................................................................................................23.7 23.2.6 Discretionary Items ......................................................................................23.7

23.3 SEWPCC OPINION OF PROBABLE COST................................................................23.8 23.3.1 SEWPCC Opinion of Probable Capital Cost................................................23.8 23.3.2 Opinion of Probable Operation and Maintenance Cost ...............................23.8 23.3.3 Life Cycle Cost Comparison ........................................................................23.8

23.4 PHASING OPPORTUNITIES.......................................................................................23.9 23.4.1 General ........................................................................................................23.9

23.5 DISCRETIONARY ITEMS..........................................................................................23.10 23.5.1 General ......................................................................................................23.10

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24.0 EVALUATION OF SHORT-LISTED TREATMENT OPTIONS....................................24.1 24.1 INTRODUCTION..........................................................................................................24.1 24.2 DESCRIPTION OF EVALUATION CRITERIA .............................................................24.3

24.2.1 Criteria Groups ............................................................................................24.3 24.2.2 Evaluation Criteria .......................................................................................24.3

24.3 GROUP AND CRITERIA WEIGHTING SYSTEM ........................................................24.4 24.4 PROJECT TEAM EVALUATION PROCESS ...............................................................24.5

24.4.1 Procedure ....................................................................................................24.6 24.4.2 Criterion Definitions and Scoring Philosophy...............................................24.6 24.4.3 Evaluation Summary Table..........................................................................24.9

24.5 RESULTS OF EVALUATION.......................................................................................24.9 24.5.1 Scoring Summary ........................................................................................24.9 24.5.2 Recommendation.......................................................................................24.10

25.0 IMPLEMENTATION PLAN ..........................................................................................25.1 25.1 INTRODUCTION..........................................................................................................25.1 25.2 PROCUREMENT STRATEGY.....................................................................................25.2

25.2.1 Procurement Options...................................................................................25.2 25.2.2 Procurement Strategy Considerations.........................................................25.3 25.2.3 Preliminary Procurement Strategy...............................................................25.5

25.3 CONTRACTING STRATEGY ......................................................................................25.6 25.3.1 Contracting Strategy Considerations ...........................................................25.6 25.3.2 Preliminary Construction Contracting Strategy..........................................25.11

25.4 PRELIMINARY IMPLEMENTATION SCHEDULE .....................................................25.12

26.0 RISK ANALYSIS AND MANAGEMENT REPORT......................................................26.1 26.1 INTRODUCTION..........................................................................................................26.1 26.2 RISK ANALYSIS FINDINGS ........................................................................................26.1 26.3 SERIOUS PROJECT RISK FACTORS (CATEGORY ONE) .......................................26.1

26.3.1 Project Schedule..........................................................................................26.1 26.3.2 Basement Flooding......................................................................................26.3 26.3.3 Project Delivery Methods.............................................................................26.4 26.3.4 Project Communications..............................................................................26.5 26.3.5 Regulation Requirements ............................................................................26.6 26.3.6 Project Budget .............................................................................................26.7 26.3.7 Contractor Availability ..................................................................................26.8 26.3.8 Quality Control .............................................................................................26.9

26.4 IMPORTANT PROJECT RISK FACTORS (CATEGORY TWO)................................26.10 26.4.1 Project Scope Creep..................................................................................26.10 26.4.2 Stability of Project Team............................................................................26.11 26.4.3 Design Parameters ....................................................................................26.12 26.4.4 Current Plant Conditions............................................................................26.12 26.4.5 Staffing.......................................................................................................26.13 26.4.6 Operating Strategies..................................................................................26.14

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26.4.7 Detailed Design Quality .............................................................................26.15


26.4.8 Operational Risk ........................................................................................26.16 26.4.9 Chemical Leak ...........................................................................................26.17 26.4.10 Odor Control ..............................................................................................26.18 26.4.11 Expected Growth .......................................................................................26.19 26.4.12 Stability of Construction Resources...........................................................26.20

26.5 PROJECT UNCERTAINTY ANALYSIS .....................................................................26.20 26.6 RISK MANAGEMENT ................................................................................................26.22 26.7 CONCLUSIONS.........................................................................................................26.22 APPENDICES (CONTAINED IN SEPARATE BINDER) APPENDIX A APPENDIX B APPENDIX C APPENDIX D APPENDIX E APPENDIX F APPENDIX G APPENDIX H APPENDIX I APPENDIX J APPENDIX K APPENDIX L APPENDIX M

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LIST OF FIGURES Page Figure 1.1 - Layout of Existing Facility 1.1 Figure 4.1 - TetrES Extrapolation of City of Winnipeg Population Forecast (2027-

2050) 4.2 Figure 4.2 - Existing Data for Net Migration (Statistics Canada: The Conference

Board of Canada; derived by taking 92.3% of CMA) 4.3 Figure 4.3 - Net Migration Projections 4.4 Figure 4.4 - Net Migration Range 4.5 Figure 4.5 - Population Forecast for the City of Winnipeg 4.6 Figure 4.6 - Map of Overall WPCC Service Areas 4.7 Figure 4.7 - Historic Population Estimate Based on Service Area

(City of Winnipeg 1999) 4.8 Figure 4.8 - Single-Family Dwelling Permits by Neighbourhood

(Jan/03 to Jun/04) (City of Winnipeg Residential Land Supply Study Oct/04) 4.9

Figure 4.9 - Forecasted Residential Development (2005-2021) (City of Winnipeg, December 2005) 4.10

Figure 4.10 - Comparison of Population Forecasts for SEWPCC Service Area with Previous Projection 4.13

Figure 4.11 - Population Forecasts for SEWPCC Service Area 4.14 Figure 4.12 - Winnipeg Average Daily Water Use in January (1955-2004) 4.16 Figure 4.13 - Winnipeg Water Use per Capita in January (1955-2004) 4.16 Figure 4.14 - Average Daily SEWPCC Pumping Records in December

and January (1983-2005) 4.17 Figure 4.15 - SEWPCC Average Daily Wastewater Generation per Capita

in January and December (1983-2005) 4.18 Figure 4.16 - Effects of Technology Change (TetrES 1998) 4.20 Figure 4.17 - Transition in Toilets Used 4.21 Figure 4.18 - Long-Term Residential per Capita Water Demand

(0% renovation rate) 4.22 Figure 4.19 - Effect of Renovation Activities on Residential per Capita

Water Demand Projection 4.23 Figure 4.20 - Total SEWPCC per Capita Projection 4.24 Figure 4.21 - SEWPCC DWF Projection to 2050 (including Windsor Park) 4.25 Figure 4.22 - Location and Size of Combined Sewer Districts 4.26 Figure 4.23 - Effects of DWF Diversions on Projections to 2050 4.27 Figure 4.24 - Weekly Flow Pattern (February 2005) 4.29 Figure 4.25 - Spring WWF Frequency 4.31 Figure 4.26 - Year-Round WWF Frequency 4.31

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........... . Page Figure 4.27 - Expected Distribution for Spring Peak Flows 4.32 Figure 4.28 - Expected Distribution for Year-Round Peak Flows 4.32 Figure 4.29 - 2005 Pumped Areas in the SEWPCC Catchment 4.34 Figure 4.30 - Flow Arriving at SEWPCC and Expected Flow Without SSOs 4.36 Figure 4.31 - Adjustment During 2005 Summer Storm 4.36 Figure 4.32 - Frequency Analysis Accounting for Potential SSOs –

Annual in 2031 4.37 Figure 4.33 - Frequency Analysis Accounting for Potential SSOs –

Spring in 2031 4.37 Figure 5.1 - Primary Effluent BOD versus Normalized Influent Flow . (Spring 1998 - 2005) 5.21 Figure 5.2 - TSS loading and Influent Flow vs Time (March to September 2006) 5.23 Figure 5.3 - Total Influent VFA vs Flow (March to September 2006) 5.36 Figure 5.4 - TSS, BOD & COD Loading 5.37 Figure 5.5 - NH3, TKN & TP Loading 5.37 Figure 6.1 - Site Plan following 6.2 Figure 8.1 - Fermentation of Primary Sludge 8.6 Figure 8.2 - Moving Bed Bioreactor (MBBR) utilizing free floating

plastic media 8.10 Figure 8.3 - Modified Johannesburg Process Schematic 8.12 Figure 8.4 - Three (3) Stage Bardenpho Process Schematic 8.13 Figure 8.5 - UCT and VIP Process Schematic 8.15 Figure 8.6 - Modified University of Cape Town (MUCT) Process Schematic 8.16 Figure 8.7 - Step-Feed BNR for N and P Removal 8.17 Figure 8.8 - HPO BNR Option 8.20 Figure 8.9 - An Example of an Immersed MBNR Configuration 8.22 Figure 9.1 - SEWPCC Area Projected Development 2031 9.2 Figure 9.2 - Servicing of New Areas: Option 1 (Existing Interceptor) 9.5 Figure 9.3 - Servicing of New Areas: Option 2 (New Interceptor) 9.5 Figure 9.4 - Location of Critical Hydraulic Profile 9.11 Figure 9.5 - Critical Hydraulic Profile During Peak-Day WWF 9.11 Figure 9.6 - Critical Profile During Peak Hour (480 ML/d Inflows)

and Normal Summer River Level 9.12 Figure 9.7 - Critical Profile During Peak-Flow to SEWPCC (430 ML/d in the

Interceptor) and High River Level 9.13

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........... . Page Figure 9.8 - Critical Profile During Peak Hour Flow, Standby Pumping

(114 ML/d) and Normal River Level 9.15 Figure 9.9 - Critical Profile During Peak Hour Flow, Standby Pumping

(114 ML/d) and High River Level 9.16 Figure 10.1 - SEWPCC Service Area Boundary 10.3 Figure 10.2 - Schematic of SEWPCC Collection System 10.4 Figure 10.3 - Proposed Relief Interceptor Pipe 10.6 Figure 10.4 - Plan view of a typical RTB 10.8 Figure 10.5 - Cross Section of a typical RTB 10.8 Figure 10.6 - Location and Configuration of RTB and CCC at D’Arcy Pump Station 10.11 Figure 11.1 - Spring and Summer Flows Received at the SEWPCC 11.2 Figure 11.2 - TSS Loading and Influent Flow vs. Time (March to

September 2006) 11.6 Figure 11.3 - TSS Removal with Conventional and CEPT (WEF, MOP No. FD-8, 2005) 11.8 Figure 11.4 - Lamella Plate Clarification Process Schematic (U.S. EPA. 2003) 11.11 Figure 11.5 - Actiflo® Process Schematic (U.S. EPA. 2003) 11.13 Figure 11.6 - DensaDeg® Process Schematic (U.S. EPA 2003) 11.14 Figure 11.7 - Typical Layout of a Retention Treatment Basin (Source: Stantec,

Windsor) 11.16 Figure 11.8 - SEWPCC Side-Stream Option Based on EPT with Lamella Clarifier 11.19 Figure 11.9 - SEWPCC Side-Stream Option Based on Ballasted Flocculation (Actiflo®) 11.20 Figure 11.10 - Lawrence WWTP Liquid Process Schematic (Adapted from

Keller and Kobylinski et al. 2005) 11.27 Figure 11.11 - TSS Removal 11.31 Figure 11.12 - BOD5 Removal 11.31 Figure 11.13 - TKN Removal 11.32 Figure 11.14 - Total Phosphorous Removal 11.32 Figure 11.15 - Supernatent UVT (%) 11.33 Figure 11.16 - Gold Bar WWTP - Plate Settler Pilot Plant 11.36 Figure 12.1 Hydraulic Profile of the SEWPCC (Flow = 176 MLD) 12.4 Figure 12.2 - Alignment of Proposed Parallel Outfall Pipe 12.6 Figure 12.3 - Source: Report – 1997 Flood Modifications, Cochrane

Engineering, June 1997 12.9 Figure 12.4 - Source: Report – 1997 Flood Modifications, Cochrane

Engineering, June 1997 12.9 Figure 12.5 - Ditch that Drains Existing Snow Dump 12.11 Figure 12.6 - Low Elevation of Louvers on South Side of Plant 12.11

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.......... . Page Figure 12.7 - Proposed Relocated Snow Dump 12.12 Figure 12.8 - Spot Elevations Surrounding the SEWPCC 12.13 Figure 12.9 - Ditch Inlet Catch Basin Located on the West Side of the UV Building 12.14 Figure 12.10 - Sketch of Proposed Dyke Around the Plant 12.15 Figure 13.1 - South End PCC daily septage volumes and number . of tanker loads 2005 following 13.3 Figure 13.2 - West End PCC daily septage volumes and number of . tanker loads 2005 following 13.3 Figure 13.3 - Total Septage Volumes (SEWPCC+WEWPCC) 2005 following 13.3 Figure 13.4 - 2005-1999 Septage Volume % from Different Sources following 13.4 Figure 13.5 - Total Loads (SEWPCC+WEWPCC) 2005 following 13.4 Figure 13.6 - Total Septic Contribution Volumes 2005 following 13.4 Figure 13.7 - SE Septic Contribution Volumes 2005 following 13.4 Figure 13.8 - WE Septic Contribution Volumes 2005 following 13.4 Figure 13.9 - Total Holding Tank Contribution Volumes 2005 following 13.4 Figure 13.10 - SE Holding Tank Contribution Volumes 2005 following 13.4 Figure 13.11 - WE Holding Tank Contribution Volumes 2005 following 13.4 Figure 13.12 - Total Commercial Contribution Volumes 2005 following 13.4 Figure 13.13 - SE Commercial Contribution Volumes 2005 following 13.4 Figure 13.14 - WE Commercial Contribution Volumes 2005 following 13.4 Figure 13.15 - SE WPCC Leachate Receiving Option 1- Process Flow ........... . Diagram following 13.15 Figure 13.16 - Typical ASRS Schematic (source: Lakeside ........... . Equipment Corporation) 13.16 Figure 13.17 - ASRS in Operation (source: JWC Environmental) 13.16 Figure 13.18 - SE WPCC Leachate Receiving Option 2 - Process ........... . Flow Diagram following 13.17 Figure 13.19 - SE WPCC Leachate Receiving Options 3 - ........... . Process Flow Diagram following 13.18 Figure 13.20 - Option 1 - Add Minimum Upgrades to South End HWWF following 13.28 Figure 13.21 - Site Plan following 13.28 Figure 14.1 - Option 1 – Process Flow Diagram following 14.13 Figure 14.2 - Option 2 – Process Flow Diagram following 14.13 Figure 14.3 - Option 3 – Process Flow Diagram following 14.13 Figure 15.1 - Option B – BNR/MJ No Side Treatment 15.2 Figure 15.2 - Option C – BNR/MJ 15.3 Figure 15.3 - Option D - HPO/BNR/MJ with Side Treatment 15.3 Figure 15.4 - Option I - BNR/MJ and HPO as Side Treatment 15.4 Figure 15.5 - Simulated Data Set 15.8

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.......... . Page Figure 15.6 - Frequency Curve (Percent TSS Removal) 15.11 Figure 15.7 - Effect of Nitrifier Max Specific Growth Rate on SRT 15.13 Figure 16.1 - Pelletization Process Flow Diagram 16.9 Figure 16.2 - Thermal Oxidation Process Flow Diagram 16.12 Figure 16.3 - Horizontal Agitated Bed Process Flow Diagram 16.14 Figure 16.4 - Land Filling Process Flow Diagram 16.16 Figure 16.5 - Land Application Process Flow Diagram 16.19 Figure 17.1 - South End WPCC – Option B – Site Plan following 17.3 Figure 17.2 - South End WPCC – Option C – Site Plan following 17.3 Figure 17.3 - South End WPCC – Option D – Site Plan following 17.3 Figure 17.4 - South End WPCC – Option I – Site Plan following 17.4 Figure 17.5 - South End WPCC – Septage Receiving Plant Plan following 17.5 Figure 17.6 - South End WPCC – Headworks Expansion Plan following 17.7 Figure 17.7 - South End WPCC – Primary Clarifiers Typical Layout following 17.15 Figure 17.8 - South End WPCC – Option B – Bioreactors ........... . Typical Layout following 17.20 Figure 17.9 - South End WPCC – Option C – Bioreactors ........... . Typical Layout following 17.20 Figure 17.10 - South End WPCC – Option D – Bioreactors ........... . Typical Layout following 17.20 Figure 17.11 - South End WPCC – Option I – Bioreactors ........... . Typical Layout following 17.20 Figure 17.12 - South End WPCC – Option B, C and D – Secondary ........... . Clarifier Plan following 17.25 Figure 17.13 - South End WPCC – Option I – Secondary Clarifier Plan following 17.25 Figure 17.14 - South End WPCC – Fermenters & Solids Handing ........... . Facility Plan following 17.27 Figure 17.15 - South End WPCC – Option B and Option I – UV Disinfection – ........... . Expansion Plan following 17.35 Figure 17.16 - South End WPCC – Option C and Option D - UV Disinfection – ........... . Expansion Plan following 17.35 Figure 18.1 - Location of SEWPCC Relative to Development 18.1 Figure 18.2 - Wet Scrubber System for Odor Control 18.7 Figure 18.3 - Activated Carbon Adsorber for Odor Control 18.9 Figure 18.4 - Twin-Bed Regenerative Thermal Oxidizer 18.11 Figure 18.5 - Biofilter System for Odor Control Biological Scrubbers 18.13 Figure 18.6 - Bio-Trickling Filter 18.14

xviii


............... ... Page Figure 18.7 - Biological Scrubber Systems 18.14 Figure 20.1 - PCU 2 - SD Cabinet 20.2 Figure 22.1 Option G following 22.4 Figure 22.2 Option K following 22.6 Figure 22.3 Option L following 22.8 Figure 22.4 South End WPCC Option G Site Plan following 22.13 Figure 22.5 South End WPCC Option K Site Plan following 22.13 Figure 22.6 South End WPCC Option L Site Plan following 22.13 Figure 26.1 - Project Uncertainty Components following 26.21

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LIST OF TABLES Page Table E-1 - Recommended Design Loadings (Influent) E.5 Table 3.1 - Summary of Effluent Permits across Canada 3.8 Table 4.1 - Existing Database of Winnipeg Population Between 1921 and 2026 4.1 Table 4.2 - Overall Population Forecast (Entire City) 4.6 Table 4.3 - Summary of 2003-2004 Single-Family Permits Based on Service Area 4.10 Table 4.4 - Allocation of Population Distribution to the SEWPCC Service Area 4.11 Table 4.5 - Summary of Population Distribution by Service Area 4.11 Table 4.6 - Potential Population Distribution Range for the SEWPCC Service Area 4.12 Table 4.7 - Summary of Population Forecast for SEWPCC Service Area 4.15 Table 4.8 - Water use Record for SEWPCC Service Area (Winnipeg Water Account COW Water Conservation Database, 1993-2003) 4.19 Table 4.9 - Effect of Home Renovation on Residential per Capita Demand 4.23 Table 4.10 - Effect of Diversions on SEWPCC DWF Projection to 2031 and 2050 4.28 Table 4.11 - Adjustments to Peak Flows to Account for SSOs 4.35 Table 4.12 - Effects of Limiting I/I in New Areas for 1:5-Year Maximum Hour and Maximum Day Events in 2031 4.38 Table 4.13 - Estimated Maximum and Minimum Flows in 2031 4.40 Table 5.1 - Design Flow Conditions 5.2 Table 5.2 - Loading Conditions Required for Design 5.3 Table 5.3 - Influent Characteristics/Parameters Required for BNR Process Assessment 5.5 Table 5.4 - Parameters that May be Assumed in ASM Models 5.10 Table 5.5 - Historical Sample Location/Process Streams for SEWPCC 5.14 Table 5.6 - SEWPCC Sampling and Monitoring Plan 5.18 Table 5.7 - Per Capita Loadings Based Upon Historical Data 5.19 Table 5.8 - Historical Per Capita Loading Data (Annual Average) 5.21 Table 5.9 - Comparison of Per Capita Loading Factors 5.22 Table 5.10 - Recommended Design Annual Average Loadings 5.25 Table 5.11 - Estimated Design Loading Factors Based Upon Historical Data 5.26 Table 5.12 - Recommended Design Loadings 5.28 Table 5.13 - Influent COD to BOD Ratio by Month 5.29 Table 5.14 - Influent Organic Fractions 5.30 Table 5.15 - Primary Effluent Nitrogen Fractions 5.31 Table 5.16 - Average Influent Suspended Solids Fractions 5.33 Table 5.17 - Summary of Influent Alkalinity Analysis 5.34

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Page Table 5.18 - Summary of VFA Analyses 5.35 Table 5.19 - Loading Summary for March 2 to 4 Diurnal Sampling 5.38 Table 6.1 Description Used to Catagorize Structural Components 6.18 Table 6.2 Structural Assessment Summary 6.19 Table 7.1 - Estimated Flows (2031) 7.1 Table 7.2 - Recommended Design Annual Average Loadings 7.2 Table 7.3 - Recommended Design Loadings 7.2 Table 8.1 - Preliminary Evaluation of Modified Johannesburg Process 8.13 Table 8.2 - Preliminary Evaluation of 3 Stage Bardenpho Process 8.14 Table 8.3 - Preliminary Evaluation of UCT/VIP Process 8.15 Table 8.4 - Preliminary Evaluation of MUCT Process 8.16 Table 8.5 - Preliminary Evaluation of Step-Feed BNR Process 8.17 Table 8.6 - Preliminary Evaluation of HPO Processes 8.20 Table 8.7 - Preliminary Evaluation of MBNR Process 8.23 Table 8.8 - Preliminary Capital Cost Estimates for Comparative Analysis -

Options A to J (Revised May 5, 2006) following 8.31 Table 8.9 - Preliminary Operating and Maintenance Cost Estimates for

Comparative Analysis - Options A to J (Revised May 5, 2006) following 8.32

Table 8.10 - Screening Matrix (Evaluation Sheet) following 8.34 Table 9.1 - Red River Elevation in South End Area 9.7 Table 9.2 - Key Pumping Station Capacities in South End 9.8 Table 9.3 - Option to Manage Emergency Power Outage at SEWPCC 9.17 Table 10.1 - Required Pumping Capacities to Meet 1 in 5 year max. Hour Event 10.5 Table 10.2 - Cost Summary of Two Options 10.12 Table 11.1 - Summary of Advantages and Disadvantages of CEPT 11.9 Table 11.2 - Summary of Advantages and Disadvantages of Lamella Plate Clarification 11.11 Table 11.3 - Summary of Advantages and Disadvantages of Ballasted Flocculation 11.13 Table 11.4 - Summary of Advantages and Disadvantages of Dense Sludge Process 11.15 Table 11.5 - Summary of Advantages and Disadvantages of RTBs 11.17 Table 12.1 - River Flood Elevations in South End Area 12.3 Table 12.2 - Existing Outfall Capacity for Various River Levels 12.5 Table 12.3 - Proposed Twinned Outfall Capacity for Various River Levels 12.7

xxi


.......... . Page Table 12.4 - Proposed Twinned Outfall Capacity without UV ........... . Disinfection at Various River Levels 12.8 Table 13.1 - Summary of Septage Flows 13.3 Table 13.2 - Estimated concentrations of the septage from different sources 13.5 Table 13.3 - Estimated Concentrations of Blended Septage with/without A1SE

Contribution 13.6 Table 13.4 - WEWPCC/SEWPCC Derived Flows and Key Concentrations vs. USEPA Values 13.7 Table 13.5 - Basis Of Analysis for Septage Flows/Loads Received at the SEWPCC 13.10 Table 13.6 - Evaluation of Septage Management Options for the SEWPCC 13.20 Table 14.1 - City of Winnipeg Leachate Generation Characteristics (Dillon report, 2004) 14.1 Table 14.2 - Typical Leachate Composition for Young and Old Landfills (Dillon report, 2004) 14.4 Table 14.3 - Combined Leachate Concentrations (Dillon Report) 14.6 Table 14.4 - Daily Metal Loadings due to Leachate from Brady 14.8 Table 14.5 - Current Leachate Loadings from Brady Road Landfill 14.10 Table 14.6 - Leachate and Septage loadings and impact on SEWPCC 14.12 Table 15.1 - Influent Temperatures Used for Synthetic Database Representing Spring Period 15.6 Table 15.2 - Duration and Normalized Flow Components for Spring Flow Events 15.7 Table 15.3 - Influent Characterization Used for Modeling 15.8 Table 15.4 - Entry Design Values for Modeling SEWPCC at Year 2031 15.10 Table 15.5 - Typical BNR Facilities 15.14 Table 15.6 - Initial Reactor Sizes Based Upon Mass Balance Model 15.15 Table 15.7 - Static Modeling Results 15.16 Table 15.8 - Dynamic Modeling Results Spring 2031 (March 1 to May 30) 15.17 Table 15.9 - Additional Clarification Requirements for Short-listed Options 15.18 Table 15.10 - Design Summary for Short-listed Alternatives Based upon Process

Modeling 15.18 Table 17.1 - Summary of Design Parameters for Existing Primary Clarifiers 17.14 Table 17.2 - Summary of Design Parameters for Existing and Proposed Primary Clarifiers 17.16 Table 17.3 - Physical and Hydraulic Characteristics of Existing Bioreactors 17.18 Table 17.4 - Proposed Bioreactor Design Parameters 17.21 Table 17.5 - Existing Secondary Clarifier Design Parameter 17.24 Table 17.6 - Proposed Secondary Clarifier Design Parameters 17.26

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Page Table 17.7 - Proposed Sludge Thickening Design Parameters 17.30 Table 17.8 - Proposed Sludge Holding Tank Design Parameters 17.31 Table 17.9 - Proposed Disinfection Facility Design Capacity 17.32 Table 17.10-Existing UV Disinfection Facility Design Parameters 17.33 Table 17.11- Proposed UV Disinfection Facility Design Parameters 17.35 Table 18.1 - Summary Of Odorous Air Treatment Alternatives For ........... . Municipal Wastewater Application 18.6 Table 20.1 - Free Space Estimates 20.3 Table 20.2 - User HMI Requirement Summary 20.6 Table 20.3 - Hardware Summary 20.9 Table 20.4 - PLC Integration Summary 20.13 Table 22.1 Reactor Size Used for the Modeling of Three Additional Treatment Options 22.12 Table 22.2 Summary of Static Modeling Results 22.12 Table 22.3 Additional Clarification Requirements of Three Additional Options 22.13 Table 22.4 Bioreactor Details 22.16 Table 22.5 Proposed Secondary Clarifier Design Parameters 22.19 Table 22.6 Proposed Sludge Thickening Design Parameters 22.23 Table 22.7 Proposed Sludge Holding Tank Design Parameters 22.24 Table 22.8 Proposed Disinfection Facility Design Capacity 22.24 Table 22.9 Proposed UV Disinfection Facility Design Parameters 22.25 Table 23.1a Opinion of Probable Cost (Updated September 27, 2007) following 23.8 Table 23.1b Opinion of Probable Cost (Updated October 12, 2007) following 23.8 Table 23.2 SEWPCC Options - Breakdown of O & M Costs following 23.8 Table 24.1 - Weighting for Groups of Criteria 24.4 Table 24.2 - Weighting for Individual Evaluation Criteria 24.5 Table 24.3a - Evaluation of Alternative Treatment Options - Summary

Table following 24.10 Table 24.3b - Evaluations of Alternatives Treatment Options - Summary

Table following 24.10 Table 24.4a Summary of Evaluation Scoring Results following 24.10 Table 24.4b Summary of Evaluation Scoring Results following 24.10 Table 26.1 Risk Management Plan for the SEWPCC Upgrade/ Expansion Project following 26.21 Table 26.2 Project Uncertainty Components 26.21

xxiii


REFERENCES 1. City of Winnipeg. 2005. Forecasted Residential Land Development Study (Draft),

December 2005. 2. City of Winnipeg. 2004. Residential Land Supply. October 2004. 3. Conference Board of Canada. 2004. Population Projection for Winnipeg CMA and

the City of Winnipeg. Prepared by City of Winnipeg - CAO Secretariat. 4. TetrES Consultants and Wardrop Engineering. 1995. Regional Water Supply Study

Addendum; Final Report. December 199. 5. TetrES Consultants and Wardrop Engineering. 2002. Combined Sewer Overflow

Management Study. November 2002. 6. Preliminary Design Report – City of Winnipeg Water and Waste Department

Nitrification Study, Earth Tech (Canada Inc.), November 2002.

7. Methods of Wastewater Characterization in Activated Sludge, IWA Publishing and Water Environment Research Federation, 2003.

8. Mamais D., Jenkins D., and Pitt P., 1993, A Rapid Physical-Chemical Method for the Determination of Readily Biodegradable Soluble COD in Municipal Wastewater, Water Research, 27(1): pp. 195-197.

9. Marais G.v. R and Ekama G. A., 1976, The activated sludge process. Part I. Steady state behaviour, Water SA, 2: 164-200.

10. Water Environment Federation, 1998, Design of Municipal Wastewater Treatment Plants.

11. CH2MHill and ISL Infrastructure Systems Ltd. (2002). Gold Bar Wastewater Treatment Plant. Disinfection and Enhanced Primary Treatment for Wet Weather Flow Study, City of Edmonton. Asset Management and Public Works Drainage Services.

12. E.P.A. (2003). Wastewater Technology Fact Sheet. Ballasted Flocculation. Washington D.C., Municipal Technology Branch. United States Environmental Protection Agency.

13. Frank, D. and T. Smith (2006). Side by side by side – The Evaluation of three high rate process technologies for wet weather treatment.

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14. HDR Engineering, I. and Black&Veatch (2002). Water Reuse Technology

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