(A) Chimneys shall extend not less than three feet above the highest point where they pass through the roof of a building and not less than two feet above any portion of the building within ten feet horizontal measurement.
(B) Masonry chimneys shall be lined with fire clay flue liners.
(C) Flue liners shall extend from the smoke chamber of a fireplace or eight inches below the lowest inlet of the appliance served to the top of the chimney.
(D) Where more than two flues are located in the same chimney, masonry wythes shall be built between adjacent flue linings so that there are not more than two flues grouped together between such wythe separation. The masonry wythes shall be at least four inches thick and bonded into the walls of the chimney. Where two flues adjoin each other in the same chimney with only flue lining separation between them, the joints of the adjacent flue linings shall be staggered at least seven inches.
(E) Chimney flues shall not be smaller in area than that of the area of the connector from the appliance.
(F) Chimney flues for fireplaces shall not be smaller in area than the following:
(1) Round lined flue: one-twelfth of the fireplace opening area, but not less than 50 square inches; and
(2) Square or rectangle lined flue: one-tenth of fireplace opening area, but not less than 64 square inches.
(G) Wood beams, joists, headers and studs shall not be placed within two inches from the outside face of a masonry chimney.
(H) All spaces between masonry chimneys and wood beams, joists or headers shall be firestopped by placing noncombustible material to a depth of one inch at the bottom of such spaces.
(I) Solid fuel burning fireplaces or appliances shall be provided with a chimney having a height of not less than 14 feet above the damper of the fireplace or appliance.
(Prior Code, § 9-118) (Ord. 94-11B, passed 4-21-1994)