Gas Dryer Exhaust and Gas Supply Line Code

And the bottom line is: hire a licensed plumber.

ellenlourie

in About Brooklyn 10 years and 5 months ago

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rhjmem | 10 years and 5 months ago

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Can anyone tell me what the requirements for a Gas Dryer are? Where can Exhaust Fan Vent? Can it vent into a Common Driveway, About 2 Feet above the ground? What size exhaust vent is required? What size gas supply line is needed? Any other considerations? Thanks

ellenlourie | 10 years and 5 months ago

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(ii) Domestic gas dryers in residential occupancies. Domestic gas dryers in residential occupancies that are vented directly through an exterior wall and that comply with items A through I, below: (A) Licensed Master Plumber required. The installation application shall be filed by a Licensed Master Plumber (LMP) as a Limited Alteration Application (LAA1). (B) Limitation to R-3 occupancies. The installation shall be limited to a one- or two-family residence, three stories or fewer in height. (C) Testing and installation of gas dryers. The gas dryers shall comply with the reference standards in Section FGC 613 and the installation shall comply with the manufacturer’s instructions including any special vent pipe material for relatively low flue gas temperatures as recommended by the manufacturer. (D) Wall penetration. The vent and combustion air wall penetration shall be limited to a single penetration of four inches in diameter or one opening that is a maximum of four inches square. The entire exhaust system shall be supported and secured in place. (E) Dryer duct. The maximum length of a clothes dryer duct shall not exceed 25 feet from dryer location to the outlet terminal. Deductions for bends must be accounted for as outlined in Sections MC 504.6.1 and FGC 614.6.1. (F) Sketches required. The LMP shall submit detailed sketches of the piping installation and wall penetration. (See Figure 1 below). (G) Vent termination. The location of the vent termination shall comply with Section FGC 614.4, the manufacturer’s specifications, and the following: 1\. Vent termination shall not be located at lot line walls or within three feet of lot lines; 2\. The front, side or rear wall vent terminations shall be free of obstructions; 3\. The vent opening shall not be located or constructed so as to create a fire or health hazard; 4\. The LMP shall ensure that the building’s structural integrity is not compromised due to the wall penetration opening. Openings shall be located so as to avoid cutting into studs, joists, or any other structural member; 5\. Clearance from regional snow line. The vent shall be a minimum of three feet above the adjacent grade; and 6\. Vent termination shall be thermally sealed in accordance with section 402.4 of the Energy Conservation Construction Code of New York State (ECCCNYS). (H) Inspection. A gas roughing-in, gas test and gas finish inspection by the Department of Buildings or self certification shall be required on new installations. When filing for existing dryers that vent through the outer wall, only a finish inspection is required when filed on an LAA1 form. (I) Gas authorization. Upon successful inspections, the LMP shall request gas authorization and an LAA1 sign-off. ?