Long Range Solid Waste Management Plan Environmental Assessment Appendix H – Design and Operations Report August 2007 Long Range Solid Waste Management Plan Environmental Assessment Appendix H – Design and Operations Report - August 2007 TABLE OF CONTENTS Page 1.0 INTRODUCTION .............................................................................................. H-1 1.1 Purpose and Scope ............................................................................... H-1 1.2 Regulatory Requirements ...................................................................... H-1 1.3 Background.......................................................................................... H-10 1.4 Description of the Undertaking............................................................. H-11 2.0 LANDFILL EXPANSION SITE DESCRIPTION.............................................. H-13 2.1 Site Location ........................................................................................ H-13 2.2 Site Boundaries ................................................................................... H-13 2.3 Land Use ............................................................................................. H-13 2.4 Topography.......................................................................................... H-13 2.5 Hydrology............................................................................................. H-14 2.6 Hydrogeology....................................................................................... H-14 2.7 Archaeology......................................................................................... H-15 2.8 Terrestrial and Aquatic Environment.................................................... H-15 2.9 Transportation...................................................................................... H-16 3.0 WASTE QUANTITIES AND CHARACTERISTICS ........................................ H-17 3.1 Service Area ........................................................................................ H-17 3.2 Waste Quantities and Characteristics.................................................. H-17 4.0 LANDFILL EXPANSION DESIGN ................................................................. H-19 4.1 Landfill Design Criteria......................................................................... H-19 4.2 Limits of Landfilling .............................................................................. H-19 4.3 Base Contours ..................................................................................... H-20 4.4 Final Contours ..................................................................................... H-21 4.5 Landfill Capacity Calculations .............................................................. H-21 5.0 SITE FEATURES ........................................................................................... H-24 5.1 Site Entrance and On-Site Roads........................................................ H-24 5.2 Weigh Scale and Scale House ............................................................ H-24 5.3 Equipment Building.............................................................................. H-24 5.4 Internal Drainage Ditch ........................................................................ H-25 5.5 Storm Water Management Pond ......................................................... H-25 5.6 Stockpiles ............................................................................................ H-25 5.7 Drop-Off Area ...................................................................................... H-25 Page H-i Long Range Solid Waste Management Plan Environmental Assessment Appendix H – Design and Operations Report - August 2007 6.0 SURFACE WATER MANAGEMENT ............................................................. H-26 6.1 Drainage Design Objectives ................................................................ H-26 6.2 Plan Components ................................................................................ H-26 6.2.1 Separation of Surface Drainage System from Leachate ........... H-26 6.2.2 Infiltration of Surface Water....................................................... H-27 7.0 LEACHATE MANAGEMENT ......................................................................... H-28 7.1 Leachate Management Objectives ...................................................... H-28 7.2 Final Cover Design .............................................................................. H-28 7.3 Leachate Generation ........................................................................... H-29 7.4 Leachate Characterization ................................................................... H-30 7.5 Leachate Control System..................................................................... H-31 7.5.1 Design Approach and Rationale ............................................... H-31 7.5.2 Leachate Control System.......................................................... H-31 7.5.3 Compliance with the Engineered Facilities Guideline................ H-33 7.6 Leachate Treatment/Disposal .............................................................. H-36 8.0 LANDFILL GAS MANAGEMENT .................................................................. H-37 8.1 Landfill Gas Management Objectives .................................................. H-37 8.2 Landfill Gas Composition ..................................................................... H-37 8.3 Assessment of Need for Collection of Landfill Gas .............................. H-38 8.4 Assessment of Need for Control of Subsurface Migration of Landfill Gas.......................................................................................... H-38 9.0 LANDFILL DEVELOPMENT AND OPERATION........................................... H-40 9.1 Initial Site Preparation.......................................................................... H-40 9.2 Development Sequence....................................................................... H-40 9.3 Hours of Operation .............................................................................. H-41 9.4 Site Equipment .................................................................................... H-41 9.5 Landfill Staff ......................................................................................... H-41 9.6 Daily Operations .................................................................................. H-42 9.7 Surface Water Management ................................................................ H-43 9.8 Leachate Management ........................................................................ H-44 10.0 CONTROL AND MAINTENANCE.................................................................. H-45 10.1 Access and On-site Traffic Control ...................................................... H-45 10.2 Waste Control ...................................................................................... H-46 10.3 Litter Control ........................................................................................ H-47 10.4 Odour Control ...................................................................................... H-47 10.5 Dust Control......................................................................................... H-48 10.6 Noise Control ....................................................................................... H-48 10.7 Vector Control...................................................................................... H-49 Page H-ii Long Range Solid Waste Management Plan Environmental Assessment Appendix H – Design and Operations Report - August 2007 10.8 Fire Control .......................................................................................... H-49 10.9 Site Inspection and Maintenance......................................................... H-49 10.9.1 Inspection.................................................................................. H-49 10.9.2 Routine Maintenance ................................................................ H-51 11.0 MONITORING AND REPORTING ................................................................. H-53 11.1 Operation and Development Monitoring .............................................. H-53 11.1.1 Development Monitoring ........................................................... H-53 11.1.2 Site Inspection........................................................................... H-54 11.1.3 Incoming Waste Records .......................................................... H-55 11.2 Environmental Monitoring .................................................................... H-55 11.2.1 Groundwater and Leachate Monitoring ..................................... H-55 11.2.2 Surface Water Monitoring ......................................................... H-57 11.2.3 Landfill Gas Monitoring ............................................................. H-58 11.3 Maintenance of the Monitoring System................................................ H-59 11.4 Complaint Response Procedure .......................................................... H-59 11.5 Annual Reports .................................................................................... H-60 11.5.1 Development and Operations Report........................................ H-60 11.5.2 Environmental Monitoring Report.............................................. H-61 12.0 SITE CLOSURE............................................................................................. H-62 12.1