Mistake & recovery · #112

Crimping a collar on spiral duct before confirming the duct gauge is compatible

3rd YearSheet Metal Work

Check the spiral duct gauge before crimping. Crimping a collar meant for 26 gauge onto 22 gauge duct will not grip properly and the connection will pull a…

Search Field Rescue Ask Foreman Open in mistake guide

Safer field move

Check the spiral duct gauge before crimping. Crimping a collar meant for 26 gauge onto 22 gauge duct will not grip properly and the connection will pull apart under system pressure. Match collar to duct gauge.

Ask Foreman

Can you verify this before I keep going? I’m looking at: Crimping a collar on spiral duct before confirming the duct gauge is compatible. What’s the approved correction for this job?

Do not

Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

Crimping a collar on spiral duct before confirming the duct gauge is compatible

Safer field move

Ask Foreman

Do not

Related mistakes

Related apprentice questions