Duluth UDC § 835.02

1. An application for a development project with any area of special flood hazard located on the site will be required to include a floodplain management / flood damage prevention plan. This plan shall include the following items: a. Site plan drawn to scale, which includes but is not limited to: i. Existing and proposed elevations of the area in question and the nature, location and dimensions of existing and/or proposed structures, earthen fill placement, amount and location of excavation material, and storage of materials or equipment; ii. For all proposed structures, spot ground elevations at building corners and twenty-foot or smaller intervals along the foundation footprint, or 1-foot contour elevations throughout the building site; iii. Proposed locations of water supply, sanitary sewer, and utilities; iv. Proposed locations of drainage and stormwater management facilities; v. Proposed grading plan; vi. Base flood elevations and future-conditions flood elevations; vii. Boundaries of the base flood floodplain and future-conditions floodplain; viii. If applicable, the location of the floodway; and ix. Certification of the above by a registered professional engineer or surveyor. b. Building and foundation design details, including but not limited to: i. Elevation in relation to mean sea level (or highest adjacent grade) of the lowest floor, including basement, of all proposed structures; ii. Elevation in relation to mean sea level to which any nonresidential structure will be floodproofed; iii. Certification that any proposed non-residential floodproofed structure meets the criteria in 837.02(b); iv. For enclosures below the base flood elevation, location and total net area of foundation openings as required in Section 837.01(e). v. Design plans certified by a registered professional engineer or architect for all proposed structure(s). c. Description of the extent to which any watercourse will be altered or relocated as a result of the proposed development; d. Hard copies and digital files of computer models, if any, copies of work maps, comparison of pre- and post-development conditions base flood elevations, future-conditions flood elevations, flood protection elevations, special flood hazard areas and regulatory floodway widths, flood profiles and all other computations and other information similar to that presented in the FIS; 233 | P a g e Article Eight. Environmental Protection e. Copies of all applicable state and federal permits necessary for proposed development including but not limited to permits required by Section 404 of the Federal Water Pollution Control Act, Amendments of 1972, 33 U.S.C. 1334; and. f. All appropriate certifications required under this Code Division. 2. The approved floodplain management/flood damage prevention plan shall contain certification by the applicant that all development activities will be done according to the plan or previously approved revisions. Any and all development permits and/or use and occupancy certificates or permits may be revoked at any time if the construction and development activities are not in strict accordance with approved plans.