Content Gap Batch 10

Vibration Isolation at Fans and Air-Handling Equipment

Equipment Connections: RTU, AHU, VAV, Fans & LouversVERIFYField judgment

Core Answer

Keep the equipment isolated from rigid duct, piping, conduit, and supports exactly as the approved detail shows.

Can we verify the isolator setup and every possible vibration bridge before this fan or air handler is started?

Do not hard-connect the duct, bottom out springs, remove shipping restraints early, or add supports that bypass the isolators.

One rigid bridge can transmit vibration and noise through the structure even when the equipment has proper isolators.

Verify against: equipment and isolator submittals, vibration-control detail, manufacturer startup instructions.