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Static field route #28

What do I do when missing BOD, TOD, AFF, or centerline elevation notes?

Print Reading, Tags & LayoutFoundation print-reading starter — verify latest revision/detail

Find the elevation note before layout. BOD, TOD, AFF, and centerline can describe different reference points.

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Field checklist

Ask foreman

What elevation controls here: BOD, TOD, centerline, or AFF?

Do not

Do not hang duct from a guessed height when the note is missing or unclear.

Why it matters

A few inches wrong at layout can become a whole ceiling conflict later.

Search words: prints layout tags elevation BOD TOD AFF centerline elevation notes print BOD TOD AFF centerline elevation notes print foundation field