If the construction, reconstruction, or modification of any structure constitutes less than a substantial improvement:the installation of any electric, plumbing, or mechanical systems must comply with <cite data-path="|7|§3-10">§ 3-10 {“Electric, plumbing, and mechanical systems”} of this subtitle</cite>; and those parts of the improvement below the flood-protection elevation must:be floodproofed; and otherwise comply with the design and construction standards of ASCE 24. Routine maintenance, repairs, and the in-kind replacement of mechanical, electrical, and plumbing systems are exempt from the requirements of this section. For in-kind replacement, the systems must be elevated to the maximum extent possible to avoid or minimize flood damage. City Code, 1976/83, art. 7, §5(a)(4) 2000, art. 7, §3-6 Ord. 88-188 Ord. 11-516 Ord. 14-208