Many multi-disciplinary engineering companies are committed to conducting thorough environmental impact studies that ensure community values are not impacted through identifying potential impacts and recommending environmental management measures to mitigate these impacts. These studies often have the potential to have built-in constructability issues that may impede construction or factors that may cause impacts to any stakeholder in terms of time, cost or quality. 

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In some circumstances, environmental EIA consultancies include a large number of mitigation measures that may result in minimal reduction in environmental impact but have significant cost implications. 

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A formal review of an EIA is often not undertaken by independent professionals; however, we believe a formal review of an Environmental Impact Assessment will: 

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• Identify risks and possible issues within the draft EIA which may prevent possible construction approaches from being implemented during the construction phase. The restriction in approaches may result in significant cost implications. 

• Determine the cost of proposed environmental mitigation measures proposed within the draft Environmental Impact Assessment. A large number (hundreds) of environmental measures are proposed especially for large or complex proposals. Each mitigation measure has cost implication is often not assessed at this stage. 

• Validate the proposed approaches and measures and where appropriate propose alternatives and which allow greater flexibility, reduced costs, lower implementation risks (construction schedules). The proposed alternatives which are likely to meet regulatory authority requirements and expectations.
   

​A multi-disciplinary team would undertake the EIA Review. For each EIA review we would assemble a team of relevant experts but suited to reviewing aspects or disciplines of the assessment document. The team is likely to includes estimators, project managers, engineers and environmental scientists which are active with the delivery of construction and operations of projects rather than a focus on planning and design.