Plumb/level before final fastening not checked

Check plumb/level before final fastening. Temporary alignment is not final alignment.

Stop if

• Can you check this alignment before I final-tighten it?

Watch out

• Do not lock duct down while it is twisted, leaning, or forced.

Check

• Use level/laser/string as appropriate.
• Check pitch/slope requirement if any.
• Verify hanger load and alignment.
• Tighten after final position is confirmed.
• Recheck after adjacent pieces are connected.

Steps

• Use level/laser/string as appropriate.
• Check pitch/slope requirement if any.
• Verify hanger load and alignment.
• Tighten after final position is confirmed.
• Recheck after adjacent pieces are connected.

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