Tetra Tech, Inc
Tetra Tech, Inc
Tetra Tech, Inc
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D.3 – Supplemental Material<br />
4) Key Concept Review – Following the completion of the basis of design, a key concept review is performed by<br />
an individual appointed by the chief engineer to review whether the design basis is consistent with the project<br />
objectives.<br />
5) Construction Cost Estimating – All construction cost estimates (conceptual, preliminary, and final) must be<br />
approved by the Operations Manager or designee. This individual will review estimates for contingencies,<br />
completeness, and impacts to existing facilities.<br />
6) Added Value/Constructability Review – This review considers issues such as:<br />
• Ease of construction and operational flexibility<br />
• Contractor/equipment access and clearances<br />
• Duration of construction<br />
• Clarity for bidding<br />
• Use of alternates<br />
• Staging methods<br />
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