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Infrastructure planning and management PowerPoint PPT Presentation

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Civil Engineering Dept. Master Program. Infrastructure planning and management. Lecture(9). 2013-2014. Environmental impact assessment. Definition.

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Infrastructure planning and management

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Civil Engineering Dept.

Master Program

Infrastructure planning and management



Environmental impact assessment


AnEnvironmental Impact Assessment(EIA) is an assessment of the possible impact—positive or negative—that a proposed project may have on the environment, together consisting of the natural, social and economic aspects.

Purpose of EIA

The purpose of the assessment is to ensure that decision makers consider the ensuing environmental impacts to decide whether to proceed with the project. The International Association for Impact Assessment (IAIA) defines an environmental impact assessment as "the process of identifying, predicting, evaluating and mitigating the biophysical, social, and other relevant effects of development proposals prior to major decisions being taken and commitments made.

Social Impact assessment (SIA)

Social impact assessment includes the processes of analyzing, monitoring and managing the intended and unintended social consequences, both positive and negative, of planned interventions (policies, programs, plans, projects) and any social change processes invoked by those interventions.

SIA Purpose

Its primary purpose is to bring about a more sustainable and equitable biophysical and human environment.

Action have a significant Effect on the Environment

Nature of an environment

With project

Environmental parameter

Environmental Impact

Without project

Project initiated


Factor for determining whether an impact is significant

Stakeholders in the ESIA

Specialist Related to Environmental Assessment

Environmental categories for Bureau Projects

Relationship between land and water quality

Comparison of project alternatives involving environmental and social impact

Environmental criteria relevant to irrigation projects

Factors in selection of method for comparing Environmental Impacts of alternatives

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