Environmental Impact Assessment(EIA) Registration for the ...

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REVISED PROJECT DESCRIPTION AND ENVIRONMENTAL IMPACT ASSESSMENT (EIA) REGISTRATION FOR THE NEPISIGUIT FALLS GENERATING STATION MODIFICATION AND REHABILITATION PROJECT Appendix A: New Brunswick EIA – Additional Information Requirements Final Report v) Siting Considerations The Project will be constructed within the footprint of the existing forebay, dam and hydroelectric generating station at Nepisiguit Falls. The property has been used for the purpose of generating electricity since 1921. No alternative sites were considered as they would not meet the Project purpose. The Project is located within 30 metres of a watercourse by nature of the Project (i.e., a dam and hydroelectric generating station). No wetlands, including riparian wetlands, were identified within the Project development area, nor would any wetlands be affected by Project activities. The Project is not located within a designated wellfield or watershed. No Project activities are anticipated to influence potable wells during any phase of the Project. The Project is not located within Coastal Zone A or B (not applicable as the Project is not located near the coast of the marine environment). vi) Physical Components and Dimensions of the Project A description of the Project components is provided in Section 2.1 of the EIA Registration document. Project design details are provided in Appendix C. Please refer to Figure 2.1 Project Overview and Appendix C for engineering design drawings showing: Cross Section of Forebay Spillway Dam Work Area; Rubber Dam Plan View and Front Elevation; Rubber Dam Cross Section; Spillway Concrete Repair Works Plan and Details; and Access and Work Platform Plan. vii) Construction Details An overview of the construction activities for the Project is provided in Section 2.2 of the EIA Registration document. Construction will begin in June, 2012 with completion by September 30, 2012. Site access would be provided via the current onsite access roads owned by NB Power. Access to the Nepisiguit Falls Generating Station would take place on approved routes including Nepisiguit Falls Road which connects to Highway Route 430 to Bathurst. viii) Operation and Maintenance Details An overview of the operation of the Project is provided in Section 2.3 of the EIA Registration document. The estimated life span based on current design standards of the Project is 50-75 years. ix) Future Modifications, Extensions, or Abandonment Not applicable at this time. x) Project-Related Documents No other documents are publically available. June 15, 2011 A-2
REVISED PROJECT DESCRIPTION AND ENVIRONMENTAL IMPACT ASSESSMENT (EIA) REGISTRATION FOR THE NEPISIGUIT FALLS GENERATING STATION MODIFICATION AND REHABILITATION PROJECT Appendix A: New Brunswick EIA – Additional Information Requirements Final Report 3.0 DESCRIPTION OF THE EXISTING ENVIRONMENT The descriptions of all relevant features that are found within the Project location and surrounding areas that could be potentially affected by the Project are provided in Chapter 4 of the EIA Registration. 4.0 SUMMARY OF ENVIRONMENTAL IMPACTS Potential environmental effects, or “impacts”, of the various Project phases are provided in Section 4.2.2 of the EIA Registration document. An initial “screening” of potential interactions between the Project and associated VECs is provided in Section 4.2, and where applicable, the environmental effects are discussed, assessed and rated not significant. The Aquatic Environment VEC, where more substantive interactions may occur as a result of the Project is subjected to a more detailed environmental effects assessment. 5.0 SUMMARY OF PROPOSED MITIGATION Proposed mitigation for the Project is addressed within Chapter 2 (Project Description) and Chapter 4 (Environmental Effects Assessment) for each phase of the Project as scoped, and specifically within each relevant subsection of each of the VECs of the EIA Registration document, where appropriate or applicable. 6.0 PUBLIC INVOLVEMENT A brief summary of the planned stakeholder, public, and Aboriginal consultation and engagement activities planned as part of the Project is provided in Chapter 5 of the EIA Registration document. 7.0 APPROVAL OF THE UNDERTAKING Permits, licenses, approvals, or other authorizations that may be required for the Undertaking are discussed in the Section 2.8 of the EIA Registration document. 8.0 FUNDING Funding for the Project is being provided solely by New Brunswick Power Corporation, and no provincial or federal funding is being provided. 9.0 SIGNATURE (Original submission signed by) Mr. R. Anthony Bielecki, P.Eng. Manager, Environment Date: June 15, 2011 A-3
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