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  • BIOSOLIDS MANAGEMENT MASTER PLAN

    ENVIRONMENTAL ASSESSMENT

    DOCUMENT SUMMARY REPORT

    FINAL

    Prepared for:

    The City of Greater Sudbury “This report is protected by copyright and was prepared by Dennis Consultants, a division of R.V. Anderson Associates Limited for the account of The City of Greater Sudbury. It shall not be copied without permission. The material in it reflects our best judgment in light of the information available to Dennis Consultants at the time of preparation. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Dennis Consultants, a division of R.V. Anderson Associates Limited accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report.”

    DC 071472.17 March 2009

  • City of Greater Sudbury TOC-i

    Biosolids Management Master Plan Final Document Summary Report – Rev. 01 DC 071472.17 March 2009

    TABLE OF CONTENTS GLOSSARY OF TERMS..................................................................................................... i

    EXECUTIVE SUMMARY..................................................................................................... i 1.0 INTRODUCTION.........................................................................................................1-1

    1.1. Project Background.....................................................................................................1-1 1.2. Class Environmental Process .....................................................................................1-2 1.3. Guidelines and Legislation ..........................................................................................1-5 1.4. Quality Classes of Biosolids ........................................................................................1-6

    2.0 PROBLEM / OPPORTUNITY .....................................................................................2-1

    2.1 Description of Study Area............................................................................................2-1 2.2 History of Waste Disposal / Odour Issues...................................................................2-4 2.3 Concerns Regarding Biosolids ....................................................................................2-5 2.4 Project Approach.........................................................................................................2-6 2.5 Establishing Criteria ....................................................................................................2-6 2.6 Pre-Screening .............................................................................................................2-7

    3.0 PUBLIC CONSULTATION .........................................................................................3-1

    3.1 Project Initiation...........................................................................................................3-1 3.2 Stakeholder Consultation ............................................................................................3-1 3.3 Public Information Centres Phase 1 and 2..................................................................3-2 3.4 City of Greater Sudbury Council Presentations...........................................................3-3 3.5 Notice of Completion...................................................................................................3-3

    4.0 DESCRIPTION OF THE ENVIRONMENT..................................................................4-1

    4.1 Natural Features and Functions..................................................................................4-1 4.2 Site Specific Impacts ...................................................................................................4-1 4.3 Human and Cultural Features .....................................................................................4-2 4.4 Population Projections / Forecasts..............................................................................4-2 4.5 Waste Activated Sludge Quantity Projection...............................................................4-4 4.6 Required Biosolids Treatment Capacity ......................................................................4-5 4.7 End Use / Disposal Alternatives ..................................................................................4-6 4.8 Regulatory Requirements – Metals .............................................................................4-8 4.9 Land Required / Available For Application ................................................................4-11 4.10 Use of Biosolids on Land...........................................................................................4-12

    5.0 ALTERNATIVE SOLUTIONS .....................................................................................5-1

    5.1 Planning Alternatives...................................................................................................5-1 5.2 Technical Alternatives .................................................................................................5-3

    5.2.1 Pretreatment .......................................................................................................5-4 5.2.2 General Stabilization Alternatives .......................................................................5-4 5.2.3 New or Emerging Technologies ........................................................................5-12 5.2.4 Short List of Alternative Treatment Technologies .............................................5-13

    5.3 Planning / Technical Alternatives to Be Considered .................................................5-20 5.4 Biosolids Storage / Disposal Impacts ........................................................................5-23 5.5 Alternatives for Storage.............................................................................................5-24 5.6 Sludge Storage Alternatives......................................................................................5-25 5.7 Distance Cost Impacts ..............................................................................................5-27

  • City of Greater Sudbury TOC-ii

    Biosolids Management Master Plan Final Document Summary Report – Rev. 01 DC 071472.17 March 2009

    6.0 DETAILED EVALUATION OF ALTERNATIVES .......................................................6-1 6.1 Scoring Rationale........................................................................................................6-3 6.2 Impacts to the Sudbury Wastewater Treatment Plant.................................................6-5 6.3 Operating and Capital Costs .......................................................................................6-6 6.4 Evaluation Summary ......................................................................................................6-7

    7.0 DESCRIPTION OF PREFERRED ALTERNATIVES............................................. 7-1

    8.0 SUMMARY AND CONCLUSION........................................................................ 8-1

    9.0 BIOSOLIDS MANAGEMENT MASTER PLAN IMPLEMENTATION .........................9-1

    9.1 Alternative Delivery Options........................................................................................9-1 9.2 Design-build ................................................................................................................9-1 9.3 Design-Build-Operate..................................................................................................9-3 9.4 Design-Build-Operate-Finance....................................................................................9-3

    10.0 REFERENCES..........................................................................................................10-1

    List of Figures Figure 1.0 – Municipal Class Environmental Assessment Process ...........................................1-4

    Figure 2.0 – City of Greater Sudbury Wastewater Treatment Facilities.....................................2-3

    Figure 5.0 – Typical Process Schematics .................................................................................5-4

    Figure 7.0 – SWWTP – Sludge Dewatering & Biosolids Management Study Site Plan ............7-3

    List of Tables Table 2.1.1 Population Serviced / Plant Capacity ....................................................................2-2

    Table 4.4.1 Population Scenarios ...........................................................................................4-3

    Table 4.5.1 City of Greater Sudbury Sludge Quantity ..............................................................4-4

    Table 4.6.1 Estimated Treatment Capacity of the Facility........................................................4-5

    Table 4.8.1 Highest Dry Metals Concentration Between 2004 – 2008...................................4-10

    Table 4.8.2 Regulated Metals Concentration .........................................................................4-11

    Table 4.9.1 Land Required For Biosolids Application ............................................................4-12

    Table 5.2.1 Prescreening of Long List of Technologies Alternatives .....................................5-15

    Table 5.3.1 Summary of Planning / Technical Alternatives....................................................5-22

    Table 5.4.1 Biosolids Storage Requirements .

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