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An open stair, as used in this chapter, shall mean an unheated structure attached to a principal building, intended exclusively for vertical ingress or egress, and containing no additional floor area for miscellaneous purposes. An open stair of combustible construction shall be located not closer than six feet from an interior lot line. An unprotected non-combustible stair may be located on the lot line. Open stairs used as required exits shall be subject to the same height limitations as porch stairs, except that open stairs serving a special rooftop club licensed pursuant to Chapter 4-388 may be used as one of the two required stairs and may extend to the highest allowable deck height, provided such stairs are of noncombustible construction.
(Added Coun. J. 10-2-95, p. 8040; Amend Coun. J. 1-20-99, p. 88461; Amend Coun. J. 1-11-06, p. 68371, § 5; Amend Coun. J. 3-29-17, p. 45477, § 5)