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ORDINANCE 2025- 001 (a) Prior to constructing a single-family home or duplex on a parcel located in a "Flood Hazard Zone," a Type "C" stormwater management permit must be obtained from the public works department. (b) Minimum finished floor elevations are required for all single-family development. The minimum elevation figure can be obtained along with the flood zone information by contacting the plafming div public works department. (c) In applying for a building permit to construct a new single-family home or duplex, the following requirements must be addressed. Each applicant for single-family home or duplex building permit approval shall submit a conceptual drainage plan, as part of his parcel survey, if the building lot or parcel is not located in a subdivision having a positive drainage system previously approved by the public works director. A list of "previously approved" subdivisions shall be on file at: The Building Division; The Public Works Department; and The Planning Division. The conceptual drainage plan shall depict on a survey the existing and proposed stormwater management system including swales, approximate finished floor elevations of proposed structures, finished floor elevations of existing structures on adjacent property, physical location and centerline elevations of the roadway providing access to the site, transition grades to adjacent property, and off-site tributary drainage entering the property, and other pertinent information as may be required by the public works director. All conceptual drainage plans must be approved by the public works director prior to the issuance of a building permit. The public works director shall approve conceptual drainage plans and approve revisions to such plans, if it is determined that by constructing in accordance with the plans: (1) Stormwater runoff shall be directed through a proper system, including driveway culverts conforming to the requirements of section 930.07(1)(i); (2) Stormwater runoff shall not encroach upon adjacent properties; (3) Side slopes do not exceed a maximum of four (4) feet horizontal to one foot vertical; and (4) For sites that are not located in a flood hazard zone, as defined in Chapter 930, the minimum finished floor elevation shall be a minimum of eighteen (18) inches above the crown of the adjacent road, unless it can be shown that the natural ground elevations provide for adequate control of runoff. For applications covering sites Bold Underline: Additions to Ordinance 2 StFike-threeghi Deleted Text from Existing Ordinance