Allthread Rod Vibration Silencing

Rods, trapezes, and duct can transmit vibration or rattle when close to equipment or structure.

Stop if

• This support may rattle after startup. Do we need isolators, clearance, or jam nuts here?

Watch out

• Do not wedge scrap metal/cardboard as a permanent vibration fix.

Check

• Confirm clearances, jam nuts, isolators, equipment vibration source, and whether support touches duct skin.

Steps

• Identify whether this is normal ductwork or a controlled/special condition.
• Confirm clearances, jam nuts, isolators, equipment vibration source, and whether support touches duct skin.
• Get the current drawing/detail/spec/submittal before changing routing, material, access, or support.
• Bring photos, location, and what you checked to the foreman before closing or covering the work.

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