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Any existing residential building undergoing rehabilitation, remodeling, addition or repair pursuant to the provisions of this chapter, and which does not exceed four stories in height may utilize a three-inch soil stack in a four story building with a plumbing fixture unit capacity not exceeding 60 fixture units and in a building three stories or less in height with a plumbing fixture unit capacity not exceeding 30 fixture units, with not more than two water closets per floor or two water closets per horizontal branch, with no installation exceeding six water closets per stack. The waste connections to any water closet shall be provided with an approved four-inch closet flange. All additional modifications or alterations to an existing plumbing system shall meet the requirements of Chapter 18-29 of the Municipal Code.
(Prior code § 78.1-45; Amend Coun. J. 5-16-90, p. 15706; Amend Coun. J. 3-28-01, p. 55444, § 6)
When alterations, remodeling or repairs being made pursuant to the provisions of this chapter encompass 60 percent or more of a building structure, dwelling unit or electrical system, then, the wiring serving such building or dwelling unit shall conform to the provisions of Section 14E-5-560.
(Prior code § 78.1-46; Amend Coun. J. 11-9-16, p. 36266, § 27; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 48)
When alterations, remodeling or repairs being made pursuant to the provisions of this chapter encompass less than 60 percent of a building structure, dwelling unit or electrical system in an existing residential building not exceeding four stories in height or in the residential portion of an existing building of mixed occupancy not exceeding four stories in height, then, the wiring serving such building or dwelling unit shall conform to the minimum standards as set forth in Section 14E-5-570.
(Prior code § 78.1-47; Amend Coun. J. 11-9-16, p. 36266, § 27; Amend Coun. J. 9-6-17, p. 55278, Art. II, § 49)