Step 2: Individual Environmental Assessment (IEA)

The purpose of Step 2 is to carry out the IEA in accordance with the approved Terms of Reference and prepare an IEA that the Region can submit to the Ministry for approval. The IEA Step is divided into three stages: 

  • Stage 1 - Alternatives To the Undertaking
  • Stage 2 - Alternative Methods of Carrying out the Undertaking
  • Stage 3 - Impact Assessment of the Preferred Undertaking

Stage 1 - Alternatives To the Undertaking

Stage 1 involves the identification, development, and documentation of alternatives for the project. During this stage, the project team will develop a long list of alternatives for consideration. A screening process will take place to reduce the number of alternatives to a short list followed by an evaluation of the short-listed alternatives. Key to this initial screening are the concepts of 'reasonable' and 'feasible'. Evaluation criteria, indicators, and measures will be developed to ensure an inclusive assessment of the technical, natural, socio-economic, cultural, and financial considerations associated with each alternative.

The result of this stage will be the identification of a Preferred Alternative to the Undertaking.

The diagram below outlines the process to be followed in this stage.

Individual Environmental Assessment

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Stage 2 - Alternative Methods of Carrying out the Undertaking

Stage 2 involves the identification, development, and documentation of the Alternative Methods of Carrying out the Undertaking as a long list of potential alternative design concepts. This long list will consist of various technologies (conveyance, treatment, pumping, etc.), routes or locations, and methods of constructing the infrastructure. As with Stage 1, a screening methodology will be applied to reduce the long list to a short list of Alternative Methods.  Evaluation criteria, indicators, and measures will then be used to evaluate the short list of alternative design concepts.

The result of this stage will be a recommended alternative design concept that will be presented to the stakeholders and the public.

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Stage 3 - Impact Assessment of the Preferred Undertaking

A key and final stage of the IEA is to conduct a detailed impact assessment of the Preferred Alternative Method(s) to clearly define the net effects on the environment and the required commitments to mitigation and/or compensation measures and monitoring. This stage also involves clearly defining the approval/permitting requirements for implementation as well as potential enhancements. The results of the impact assessment stage will be made available to the stakeholders and public for review and comment.

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