503.6.9.4 Mechanical draft.
FGC § 503.6.9.4
Chimney venting systems using mechanical draft shall be designed and sized to develop a positive flow adequate to carry all products of combustion to the outside atmosphere.
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What is NYC FGC § 503.6.9.4?
Quick Answer
This section outlines the requirements for chimney venting systems that utilize mechanical draft. These systems must be designed and sized to ensure a positive flow that effectively carries all combustion products to the outside atmosphere. Applies to building owners implementing mechanical draft systems.
General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.
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