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Project Description Springhill Riverhurst Wind Power Limited Proposed 100 MW Higgins Mountain Wind Farm Development Cumberland A

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Project Description Springhill Riverhurst Wind Power Limited Proposed 100 MW Higgins Mountain Wind Farm Development Cumberland A Prepared by: ISO 9001 Registered Company Report No. 071208 Prepared for: Springhill Riverhurst Wind Power Limited Proposed 100 MW Higgins Mountain Wind Farm Development Cumberland and Colchester Counties, Nova Scotia Project Description August 2007 Contents Chapter 1 Introduction ...............................................................................................1 1.1 Project Overview.................................................................................................................1 1.2 Contact Information ............................................................................................................2 1.3 Regulatory Overview ..........................................................................................................2 1.3.1 Federal.....................................................................................................................3 1.3.2 Provincial ................................................................................................................4 1.3.3 Municipal ................................................................................................................4 1.4 Consultation ........................................................................................................................5 1.4.1 Presentations and Meetings.....................................................................................5 1.4.2 Project Description Distribution List ......................................................................6 1.5 Project Justification .............................................................................................................6 1.6 Structure of the Document ..................................................................................................7 Chapter 2 Scope of Project ........................................................................................8 2.1 The Wind Resource.............................................................................................................8 2.2 Principal Project Components.............................................................................................8 2.2.1 Wind Turbine Generators........................................................................................9 2.2.2 Connection to the Grid..........................................................................................10 2.2.3 WTG Access Roads ..............................................................................................10 2.3 Project Activities ...............................................................................................................11 2.3.1 Planning and Design .............................................................................................11 2.3.2 Construction Activities .........................................................................................12 2.3.3 Operations and Maintenance.................................................................................13 2.3.4 Decommissioning and Abandonment ...................................................................13 2.4 Resources and Material Requirements ..............................................................................13 2.5 Anticipated Waste Generation and Disposal.....................................................................14 2.6 Malfunctions and Accidents..............................................................................................14 Chapter 3 Existing Environment...............................................................................16 3.1 Regional Context...............................................................................................................16 3.2 Topography, Bedrock and Soils ........................................................................................16 3.3 Habitat and Vegetation......................................................................................................17 3.3.1 Hardwood Forest...................................................................................................18 3.3.2 Mixed Forest .........................................................................................................19 3.3.3 Coniferous Forests ................................................................................................19 CBCL Limited Land Use and Environment Division Higgins Project Description - 071208 -Contents i 3.3.4 Clear Cuts..............................................................................................................20 3.3.5 Wetlands ...............................................................................................................20 3.3.6 Road-side ..............................................................................................................21 3.4 Watercourse and Navigability...........................................................................................21 3.5 Fish and Fish Habitat.........................................................................................................22 3.5.1 Main Fish Species of Interest................................................................................22 3.6 Fauna .................................................................................................................................25 3.6.1 Bats .......................................................................................................................25 3.6.2 Birds......................................................................................................................26 3.6.3 Moose....................................................................................................................27 3.7 Species at Risk ..................................................................................................................28 3.8 Key Settlements and Land Use .........................................................................................29 3.9 Local Economic Activity...................................................................................................29 3.10 Recreation..........................................................................................................................30 3.11 Infrastructure .....................................................................................................................30 3.12 Archaeological Interests....................................................................................................31 3.13 Aboriginal Use ..................................................................................................................31 3.14 Anticipated Visibility ........................................................................................................31 Chapter 4 Anticipated Environmental and Socio-Economic Impacts......................33 4.1 Anticipated Impacts and Benefits......................................................................................33 4.2 Preliminary VECs and Issues............................................................................................34 Bibliography Appendices A Provincial Terms and Conditions for Environmental Assessment Approval (3.5MW) B Potential NSPI Award Scenarios – 100MW, 50MW, and 32MW C Key Stakeholders D Technical Description of GE1.5SLE Turbine CBCL Limited Land Use and Environment Division Higgins Project Description - 071208 -Contents ii List of Figures Figure 1-1: Study Areas Figure 2-1: Site Location and Proposed Expansion Areas Figure 2-2: Potential Turbine Locations Figure 2-3: Typical Turbine Schematic Figure 2-4: Connection to Grid Figure 2-5: Proposed Infrastructure and Ancillary Features Figure 2-6: Typical Turbine Pad Plan Figure 3-1: Vegetation Figure 3-2: Watershed Delineation Figure 3-3: Sensitive Habitat Figure 3-4: Land Ownership and Uses Figure 3-5: View Planes CBCL Limited Land Use and Environment Division Higgins Project Description - 071208 -Contents iii Acronyms ACCDC Atlantic Canada Conservation Data Centre CEAA Canadian Environmental Assessment Act CEPA Canadian Environmental Protection Act COSEWIC Committee on the Status of Endangered Wildlife in Canada DFO Fisheries and Oceans Canada EC Environment Canada EMP Environmental Management Plan EPP Environmental Protection Plan HADD Harmful Alternation, Disruption and Destruction IEC International Electrotechnical Commission IRM Integrated Resource Management Process LUB Land Use Bylaw MPS Municipal Planning Strategy MW Mega Watts NRCan Natural Resources Canada NSDNR Nova Scotia Department of Natural Resources NSEL Nova Scotia Department of Environment and Labour NSPI Nova Scotia Power Inc. NWPA Navigable Waters Protection Act RFP Request for Proposal SARA Species at Risk Act SRWPL Springhill Riverhurst Wind Power Ltd. TC Transport Canada The Agency Canadian Environmental Assessment Agency VEC Valued Ecosystem Component WTG Wind Turbine Generator CBCL Limited Land Use and Environment Division Higgins Project Description - 071208 -Contents iv Chapter 1 Introduction 1.1 Project Overview Springhill Riverhurst Wind Power Ltd. (SRWPL) is proposing to develop 66 wind turbines on Higgins and Stevens mountains in Cumberland and Colchester Counties, Nova Scotia. The project area is located within the Cobequid Mountains; it is west of the communities of Wentworth Station and Folly Lake and south of Westchester Station as indicated on Figure 1.1. There are three existing turbines on the Higgins Mountain. These were
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