NYC FGC 503.5.6.5.1 Requirement of a Smoke Test
To determine the tightness of chimney construction, a smoke test shall be made in accordance with the following conditions and requirements:
- The equipment, materials, power and labor necessary for such test shall be furnished by, and at the expense of, the owner or holder of the work permit.
- If the test shows any evidence of leakage or other defects, such defects shall be corrected in accordance withe the requirement of this chapter and the test shall be repeated until the results are satisfactory.
- Method of test. The chimney shall be filled with a thick penetrating smoke produced by one or more smoke machines, or smoke bombs. or other equivalent method. As the smoke appears at the stack opening on the roof, such opening shall be tightly closed and a pressure equivalent to 1/2 inch (12.7 mm) column of water measured at the base of the stack, shall be applied. The test sha;; be applied for a length of time sufficient to permit the inspection of the chimney.
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I am writing this letter to you to say thank you for the exceptional work that was done by Mike, to replace a chimney liner that was needed. I am very happy to say, that Mike was on time for my appointment today. I received a friendly and courteous response from him. Mike explained everything that was done and cleaned up very good.
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Best of luck to you and your company. I would recommend you to my friends. Again, thanks for a job well done.
– Zena
