Environmental Impact Assessment the Barbados Light & Power Company Limited Lamberts East Wind Farm Generating Station Draft
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ENVIRONMENTAL IMPACT ASSESSMENT THE BARBADOS LIGHT & POWER COMPANY LIMITED LAMBERTS EAST WIND FARM GENERATING STATION DRAFT Submitted to: The Barbados Light & Power Company Limited P.O. Box 142 Garrison Hill, St. Michael Barbados, WI Submitted by: AMEC Earth & Environmental a division of AMEC Americas Limited 160 Traders Blvd. E., Suite 110 Mississauga, Ontario L4Z 3K7 August 2006 TV 61036 Environmental Impact Assessment - DRAFT REPORT The Barbados Light & Power Company Limited Lamberts East Wind Farm TV 61036 August 2006 EXECUTIVE SUMMARY Project Proposal Barbados Light and Power Company Limited is applying to the Town and Country Development Planning Office for planning permission to construct a 10 MW wind farm comprised of 11 wind turbines, associated control building, and access tracks on land at Lambert’s East in the parish of St. Lucy, Barbados. Each turbine will have a tubular tower of up to 55m height, and three rotor blades with a maximum rotor diameter of 56m. Project Schedule Barbados Light and Power Company Limited plans to commence development of the project during 2007 with completion early in 2008. Additional site studies such as geotechnical testing are required to complete the design during 2006. Commencement of construction will be dependent on the overall planning approvals and the delivery of turbines. It is estimated that the construction period will take approximately 6 months. Approach The Environmental Impact Assessment was completed to meet the requirements as set out in the1998 Environmental Impact Assessment Guidelines and Procedures for Barbados and also followed the Government of Canada guidelines titled Environmental Impact Statement Guidelines for Screenings of Inland Wind Farms Under the Canadian Environmental Assessment Act. The assessment was completed as a phased approach involving a Phase I to define the project components, and include collection of baseline data and information on the defined Project area, and a Phase II that involved an effects assessment of the construction and operation of the proposed wind farm. An emphasis on the use of Valued Ecosystem Components as the focal points for impact assessment and the evaluation of potential interactions between project components and activities was incorporated. Assessment of Environmental Effects Assessment of environmental effects was completed for the construction phase and the operational phase of the proposed wind farm. A final section dealt with potential effects to the environmental from accidents and malfunctions. Recommended mitigation methods and significance of the environmental effects were discussed for each potentially impacted valued ecosystem component. Page i Environmental Impact Assessment - DRAFT REPORT The Barbados Light & Power Company Limited Lamberts East Wind Farm TV 61036 August 2006 Conclusions With the assistance of input from the general public and regulatory agencies, and following detailed analysis by the Project Team, the environmental effects (both biophysical and socio- economic) associated with the construction and operation of the proposed wind farm Project have been assessed. This assessment has concluded that the Project is not likely to cause significant adverse environmental effects given implementation of the recommended mitigation measures. Page ii Environmental Impact Assessment - DRAFT REPORT The Barbados Light & Power Company Limited Lamberts East Wind Farm TV 61036 August 2006 TABLE OF CONTENTS 1.0 INTRODUCTION.............................................................................................................1 1.1 Project Proposal ..................................................................................................1 1.1.1 Proposed Location...............................................................................4 1.1.2 Land Use .............................................................................................4 1.1.3 Application and Approval Process .......................................................5 1.2 Project Justification..............................................................................................6 1.2.1 International Policy on Renewable Energy...........................................7 1.3 Alternative Sites for Development........................................................................8 1.4 Report Organization.............................................................................................9 2.0 REGULATORY AND LEGISLATION OVERVIEW ........................................................11 2.1 Review of Relevant Legislation and Policies ......................................................11 2.1.1 Town and Country Planning Act.........................................................11 2.1.2 Barbados National Trust Act..............................................................15 2.1.3 Wild Birds Protection Act ...................................................................15 2.1.4 National Conservation Commission Act .............................................15 2.1.5 Protection of New Plant Varieties Act ................................................15 2.1.6 Trees (Preservation) Act....................................................................15 2.1.7 Occupational Health and Safety at Work Act.....................................16 2.1.8 Civil Aviation Act ................................................................................16 2.2 Selected Project Standards and Guidelines.......................................................16 3.0 APPROACH AND ENVIRONMENTAL ASSESSMENT METHODOLOGY....................19 3.1 Phased Approach to Conducting the EIA...........................................................19 3.2 Baseline Data Collection....................................................................................21 3.3 Spatial and Temporal Boundaries......................................................................21 3.4 Methodology to Predict Environmental Effects...................................................21 3.5 Mitigation ...........................................................................................................22 3.6 Cumulative Effects.............................................................................................22 3.7 Determination of Significance ............................................................................22 3.8 Consultation Process .........................................................................................24 3.8.1 Community Consultation (Open Houses)...........................................24 3.8.2 Regulatory Consultation.....................................................................24 4.0 PROJECT DESCRIPTION ............................................................................................26 4.1 Turbine Type and Location ................................................................................26 Page iii Environmental Impact Assessment - DRAFT REPORT The Barbados Light & Power Company Limited Lamberts East Wind Farm TV 61036 August 2006 4.2 Project Site Description and Infrastructure.........................................................28 4.2.1 Access Road .....................................................................................28 4.2.2 Control Building .................................................................................28 4.2.3 Transformer.......................................................................................28 4.2.4 Transmission Lines............................................................................28 4.3 Project Schedule................................................................................................29 4.4 Project Activities ................................................................................................29 4.4.1 Construction ......................................................................................29 4.4.2 Operations and Maintenance.............................................................32 4.4.3 Decommissioning ..............................................................................32 5.0 PROJECT ENVIRONMENTAL SETTING .....................................................................33 5.1 Climate and Atmospheric Conditions .................................................................33 5.2 Noise .................................................................................................................36 5.2.1 Identification of Receptors .................................................................36 5.2.2 Applicable Noise Criteria....................................................................38 5.3 Topography .......................................................................................................39 5.4 Geology and Surficial Soils ................................................................................39 5.5 Hydrogeology and Groundwater Quality ............................................................40 5.6 Ecological Components .....................................................................................40 5.6.1 Flora ..................................................................................................40 5.6.2 Fauna ................................................................................................41 5.6.3 Endangered Species .........................................................................43 5.7 Environmentally Sensitive Areas........................................................................44