Estimating

Takeoff

The process of extracting quantities, measurements and work items from drawings, models, schedules and specifications.

Alphabetised construction reference cards beside a drawing and scale ruler
Construction glossaryCategory: Estimating.
Definition

The process of extracting quantities, measurements and work items from drawings, models, schedules and specifications.

Why it matters

Takeoff quality affects material, labour and plant calculations throughout the estimate.

Example in practice

The estimator measures floor areas, wall lengths and openings from the current architectural drawings.

Use the term carefully

Keep the source and revision with each important quantity. Make supplied, derived and assumed amounts distinguishable.

Compare related terms

Bill of quantities ยท Estimate

Use the price-review checklist to keep the client wording and approved basis consistent.