Duct installed before wall/ceiling opening verified
Do not install duct through a wall or ceiling opening until the opening size, location, and finished condition are verified.
Stop if
- Is this wall/ceiling opening verified and ready for this duct size and detail?
Watch out
- Do not hang duct assuming the opening will be corrected later.
Check
- Check wall/ceiling opening dimension and location.
- Compare with drawing/detail and sleeve/firestop requirement.
- Verify finished wall/ceiling thickness.
- Confirm whether the opening is ready.
- Ask before cutting, forcing, or changing duct.
Steps
- Check wall/ceiling opening dimension and location.
- Compare with drawing/detail and sleeve/firestop requirement.
- Verify finished wall/ceiling thickness.
- Confirm whether the opening is ready.
- Ask before cutting, forcing, or changing duct.
Say this to your foreman
Is this wall/ceiling opening verified and ready for this duct size and detail?
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