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Estimating & Biddingaka: definitive estimateaka: bottom-up estimate

Detailed Estimate

In Plain English

A thorough line-by-line cost estimate prepared from complete drawings and specs.

Definition

A detailed estimate is a comprehensive cost projection developed from complete construction documents, using quantity takeoffs of every material and system in the project. It provides the highest level of estimating accuracy, typically plus or minus 5–10%, and forms the basis for a contractor's bid. Detailed estimates require significant time and expertise to prepare.

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