Field problem

Stop and ask

Stop. Get direction before you touch it.

Notching Duct for Structural Conflicts

Sometimes duct must be notched for beams. Notching weakens duct and may need reinforcement.

Cutting, Holes, Penetrations & Field Fab 4th Year RED

Stop if

Watch out

Check

Steps

Say this to your foreman

Maximum notch allowed without reinforcement? Engineer-approved detail if it exceeds that?

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