2111.1 General.
BC § 2111.1
The construction of masonry fireplaces shall be in accordance with this section, Table 2111.1 and Figure 2111.1. All masonry fireplaces shall be installed, altered and maintained in buildings in conformity with the applicable provisions of the New York City Mechanical Code, the New York City Fuel Gas Code and the New York City Air Pollution Control Code. No new masonry fireplaces shall be permitted except those that burn the types of fuel allowed by Section 24-149.2 of the New York City Air Pollution Control Code. Table 2111.1Requirements for Masonry Fireplaces and Chimneys a ItemLetterSectionItemLetterSectionHearth and hearth extension thicknessA2111.10Hearth extension (each side of opening)B2111.11Hearth extension (front of opening)C2111.11Firebox dimensions—2111.7Hearth and hearth extension reinforcingD2111.10Thickness of wall of fireboxE2111.6Distance from top of opening to throatF2111.8,2111.8.1Smoke chamber wall thickness dimensionsG2111.9Chimney vertical reinforcingH2111.4.1,2113.3.1Chimney horizontal reinforcingJ2111.4.2,2113.3.2Fireplace lintelL2111.8Chimney walls with flue liningM2113.11Effective flue area(based on area of fireplace opening and chimney)P2113.16Clearances From chimney From fireplace From combustible trim or materials Above roof R2113.192111.122111.132113.9Anchorage strap Number required Embedment into chimney Fasten to Number of boltsS2111.52113.4Footing Thickness WidthT2111.3 For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 square foot = 0.0929 m 2 , 1 degree = 0.017 rad. a. Letter references refer to Figure 2111.1, which shows examples of typical construction. For the actual mandatory requirements of the code, see the indicated section of text. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm. Figure 2111.1Fireplace and Chimney Details (Am. L.L. 2015/038, 5/6/2015, eff. 5/6/2016)
