How do I install ductwork around a structural column without ruining the airflow?

Use an engineered pants-leg transition fitting (wye split) that divides the main air trunk stream into two smaller, parallel balanced duct lines that glide cleanly past the left and right flat faces of the column structure.

['Use an engineered pants-leg transition fitting (wye split) that divides the main air trunk stream into two smaller, parallel balanced duct lines that glide cleanly past the left and right flat faces of the column structure.', 'Re-marry the two air paths back together into a single master trunk line on the other side of the column using a matching reverse-wye fitting.']

Coordination, Clashes, Sequencing & Rework 3rd Year YELLOW

Stop if

Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Steps

Use an engineered pants-leg transition fitting (wye split) that divides the main air trunk stream into two smaller, parallel balanced duct lines that glide cleanly past the left and...
Re-marry the two air paths back together into a single master trunk line on the other side of the column using a matching reverse-wye fitting.

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how do i install ductwork around a structural column without ruining the airflow?

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