Vertical Branch Weight Is Twisting the Riser Main

The branch is supported, but after connection the riser fitting rotated and the main is no longer plumb. I checked the branch hanger and connection. Do you want the branch support or fitting position corrected first?

Hangers, Supports, Rods & Trapeze 2nd Year YELLOW

Stop if

Stop before changing structural support, rated construction, equipment handling, specialty materials, weatherproofing, engineered movement details, or manufacturer-specific requirements without the responsible direction.

Watch out

Do not pull the branch into place with the joint hardware or use the riser connection as the branch support.

Check

current drawings and approved details
grid/floor/location and measured conditions
photos showing the installation condition
relevant manufacturer, structural, architectural, or finish information
what has already been checked

Say this to your foreman

vertical branch weight is twisting the riser main vertical branch twists riser main duct support torque check whether the branch and fitting have the approved independent support and whether the connection is transferring weight or torque into the riser. the branch is supported, but after connection the riser fitting rotated and the main is no longer plumb. i checked the branch hanger and connection. do you want the branch support or fitting position corrected first?

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