1. Plans in duplicate drawn to scale showing the nature, location, dimensions and elevations of the area in question; existing or proposed structures, fill, storage of materials, drainage facility; and the location of the foregoing;

2. The following specific information is required of applicant for a development permit: (a) elevation in relation to mean sea level of the lowest floor (including basement) of all structures, (b) elevation in relation to mean sea level to which any structure has been flood-proofed, (c) certification by a registered professional engineer or architect that the flood-proofing methods for any nonresidential structure meet the flood-proofing criteria set forth in Section 15.20.070(B)(2);

3. Description of the extent to which any watercourse will be altered or relocated as a result of the proposed development. (Ord. 1-1981 § 9, 1981.)