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Field glossary

Retainage

A percentage, often 5 to 10 percent, held back from progress payments until project closeout

Used across 4 Anvilfield field guides, most in Plumbing.

Also defined as

  • HVAC: The percentage of payment the owner withholds, often 5 to 10 percent, until completion and closeout conditions are met
  • Datacenter: A percentage, commonly 5 to 10, held back from each payment and released at closeout, also called retention

Where this shows up

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