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NYC Fire Code

§ 606.11.6 — § 606.11.6

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What is NYC FC § 606.11.6?

Quick Answer

This section outlines the requirements for ammonia diffusion systems, specifying the necessary tank capacity based on the amount of ammonia released and the need to prevent freezing of the water. It details the discharge pipe configuration and tank volume requirements. Applies to building owners utilizing ammonia diffusion systems.

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

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606.11.6 Ammonia diffusion systems.

FC § 606.11.6

Ammonia diffusion systems shall include a tank containing 1 gallon of water for each pound of ammonia (8.3 L of water for each 1 kg of ammonia) that will be released in 1 hour from the largest relief device connected to the discharge pipe. The water shall be prevented from freezing. The discharge pipe from the pressure relief device shall distribute ammonia in the bottom of the tank, but no lower than 33 feet (10 058 mm) below the maximum liquid level. The tank shall contain the volume of water and ammonia without overflowing.

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