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What is NYC MC § 313.3.10?

Quick Answer

This section outlines the requirements for the resilient support of suspended packaged HVAC units, including heat pumps and air-conditioning units. It specifies that vibration isolators must achieve a minimum isolation efficiency of 90 percent at the lowest disturbing frequency. Applies to building owners installing suspended HVAC equipment.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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313.3.10 Ceiling suspended packaged HVAC units with compressors.

MC § 313.3.10

Equipment such as heat pumps, air-conditioning units, or similar equipment, that is suspended from a structure shall be resiliently supported from or on the building structure. Vibration isolators shall have a minimum isolation efficiency of 90 percent at the lowest disturbing frequency.

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