(1) The size of a chimney flue serving a masonry fireplace shall be within the allowable range specified in Table 9.21.2.5.A. or Table 9.21.2.5.B.
Tables & Figures referenced
Table 9.21.2.5.A : Diameter of Round Flues for Fireplace Chimneys : Forming Part of Sentence 9.21.2.5.(1)
Loading Table 9.21.2.5.A…
Table 9.21.2.5.B : Rectangular Flue Sizes for Fireplace Chimneys : Forming Part of Sentence 9.21.2.5.(1)
Loading Table 9.21.2.5.B…