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Spec vs drawings: which governs?

The contract decides. Many contracts set an order of precedence in the general conditions. Do not assume. When the spec and the drawings disagree, ask the architect in writing before you bid.

Where the answer is

Look in the general conditions and the supplementary conditions in the front of the Project Manual. Some contracts say the specification governs. Some say the stricter requirement governs. Some say nothing.

What to do before the bid

  1. Write down the conflict with the section number and the sheet number.
  2. Send a question to the architect before the question deadline.
  3. If no answer comes, state your assumption in your proposal.

Common conflicts

  • An item is in the spec and not on any sheet.
  • An item is drawn and your section does not mention it.
  • The spec and a plan note name different products or materials.
  • Two sheets show two different counts.

Takeoff Tool finds these conflicts and shows the two sources side by side.

Guides · Updated 11 Nov 2026

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Run a real bid packet through it.