Transition Rotation: Confirm Top, Bottom, and Flat Side Before It Goes Up

I verified both end sizes and marked top and airflow. The drawing holds the bottom flat, but this fitting is built top-flat-can we confirm whether it is rotated wrong before we install it?

Measuring, Field Verification & Layout Marks 2nd Year YELLOW

Watch out

Do not rotate a transition in the air until it appears to fit if that changes the required flat side, elevation, access, or airflow path.

Check

current shop drawing or spool
piece mark and connector ends
photo of fitting and install space
verified dimensions and viewing direction
what has already been checked

Say this to your foreman

transition rotation: confirm top, bottom, and flat side before it goes up fitting orientation & field verification transition rotated wrong top flat bottom flat duct fitting clocked backwards tapered side a transition can match both end sizes and still be clocked wrong. mark top, bottom, airflow direction, and any flat side that must hold elevation or clear structure before installation. i verified both end sizes and marked top and airflow. the drawing holds the bottom flat, but this fitting is built top-flat-can we confirm whether it is rotated wrong before we install it?

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