Mistake & recovery · #072

Installing a flexible connection without enough slack, transmitting vibration

2nd YearInstallation

A flex connector should have at least 1" of free slack when installed — enough to compress and extend slightly. A connector pulled tight transmits fan vib…

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A flex connector should have at least 1" of free slack when installed — enough to compress and extend slightly. A connector pulled tight transmits fan vibration directly into the duct and the structure.

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Can you verify this before I keep going? I’m looking at: Installing a flexible connection without enough slack, transmitting vibration. What’s the approved correction for this job?

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Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

Installing a flexible connection without enough slack, transmitting vibration

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