107.18.1 Chimney and vent plan.
BC § 107.18.1
At the time of initial filing for construction, a chimney and vent plan shall be included as part of the construction documents. Such chimney and vent plan shall include the following information for all chimneys and vents within 100 feet (30 480 mm) of construction: 1. A drawing identifying the location of each existing chimney and vent.
2.A chimney and vent schedule containing the following information for each chimney and vent: 2.1. The cross-sectional area of the chimney or vent outlet. 2.2. The horizontal distance measured from the adjacent construction to the outlet 2.3. The elevation of the outlet. 2.4. The appliance, mechanical system, or fireplace to which the chimney or vent is attached, including the flue gas temperature, or a notation that this information is not yet known. 2.5. If extension, alteration, or relocation is required and describing the expected work.
3.Calculations demonstrating which chimneys and vents require no alteration based on the termination requirements including but not limited to those found in Section 503.5.4 of the New York City Fuel Gas Code and Section 801.20 of the New York City Mechanical Code.













