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Portsmouth, Virginia, Code of Ordinances: PART II -CODE -Chapter 14.1 FLOOp PROTECTION {3} Additions must comply with Section 14.1014(a}(1}and (2) above, as applicable, and meet the following requirements: a. For additions that are less than 50 percent of the current market value of the existing building during a consecutive 14 year period, aU parts of the addition to include duct work, HVAC equipment and electrical must be above the design flood elevation which is the BFE plus 3.0 feet. b. For additions that are 50 percent or more of the current market value of the existing building during a consecutive 10 year period, the addition and the existing building must be in full compliance with the provisions of this chapter and bath the. addition and the existing building shall be required to conform to the VA USBC. (4} Existing structures in the Floodway Area shall not be expanded or enlarged unless it has been demonstrated through hydrologic and hydraulic analyses performed in accordance with standard engineering practices that the proposed expansion would not result in any increase in the base flood elevation. Sec. 14.1-15 -Administration (a) Designation of a Floodplain Administrator. The City of Portsmouth Director of Neighborhood Advancement is hereby appointed to administer and implement these regulations and is referred to herein as the Floodplain Administrator. The Floodplain Administrator may: (1) Do the work themse{ves. In the absence of a designated Floodplain Administrator, the duties are conducted by the City Manager or his designee. (2) Delegate duties and responsibilities set forth in these regulations in whole or in part to qualified technical personnel, plan examiners, inspectors, and other employees. (3} Enter into a written agreement or written contract with another community or private sector entity to administer specific provisions of these regulations. {4} Administration of any part of these regulations by another entity shall not relieve the community of its responsibilities pursuant to the participation requirements of the National Flood Insurance Program as set forth in the Code of Federal Regulations at 44 C.F.R. Section 59.22. (b) Duties and responsibilities of the Floodplain Administrator. Duties and responsibilities of the Floodplain Administrator shall include but are not limited to: (1) Interpreting floodplain boundaries and providing available base flood elevation and flood hazard infarrnation. (2) Review applications for permits to determine whether proposed activities will be located in the Special Flood Hazard Area {SFHA}. (3) Review applications to determine whether proposed activities will be reasonably safe from flooding and require new construction and substantial improvements to meet the requirements of these regulations. 22