§ 152.016 DEVELOPMENT PERMIT.
   (A)   No person, firm, corporation, or governmental body not exempted by state law shall commence any development in the SFHA without first obtaining a development permit from the Administrative Department.
   (B)   Application for a development permit shall be made on a form provided by the Administrative Department.
      (1)   The application shall be accompanied by drawings of the site, drawn to scale, showing property line dimensions and legal description for the property and sealed by an Illinois licensed engineer, architect or land surveyor; existing grade elevations in Mean Sea Level, 1988 adj. datum or NAVD and all changes in grade resulting from excavation or filling; the location and dimensions of all buildings and additions to buildings.
      (2)   For all proposed buildings, the elevation of the lowest floor (including basement), walk-out and look-out elevations and locations, and lowest adjacent grade shall be shown on the submitted plans and the development will be subject to the requirements of §§ 152.080 through 152.087.
   (C)   Upon receipt of a development permit application, the Administrative Department shall compare the elevation of the site to the base flood or 100-year frequency flood elevation.
      (1)   Any development located on land that can be shown to have been higher than the base flood elevation as of the sites first Flood Insurance Rate Map identification is not in the SFHA and, therefore, not subject to the requirements of this chapter.
      (2)   The Administrative Department shall maintain documentation of the existing ground elevation at the development site and certification that this ground elevation existed prior to the date of the site’s first Flood Insurance Rate Map identification.
   (D)   A soil erosion and sedimentation control plan for disturbed areas shall be submitted. This plan shall include a description of the sequence of grading activities and the temporary sediment and erosion control measures to be implemented to mitigate their effects. This plan shall also include a description of final stabilization and revegetation measures, and the identification of a responsible party to ensure post-construction maintenance. All erosion and sediment control requirements of the Village of Frankfort Design Standards Section 2 and NPDES II shall also apply.
   (E)   The Administrative Department shall be responsible for obtaining from the applicant, copies of all other local, state and federal permits, approvals or permit-not-required letters that may be required for this type of activity. The Administrative Department shall not issue a permit unless all other local, state and federal permits have been obtained.
   (F)   Adequate protection is required for fill slopes exposed to floodwaters with expected velocities during the occurrence of the base flood of 5 fps or less by covering them with vegetation undergrowth (grass, vines, etc.).
   (G)   Adequate protection is required for fill slopes exposed to floodwaters with expected velocities during the occurrence of the base flood greater than 5 fps by covering them with stone or rock slope protection or other material acceptable to the village.
   (H)   A floodplain development permit or approval shall become invalid unless the work authorized by such permit is commenced within 180 days after its issuance, or if the work authorized is suspended or abandoned for a period of 180 days after the work commences. Extensions for periods of not more than 180 days each shall be requested in writing and justifiable cause shall be demonstrated.
(Ord. 3187, passed 1-22-19) Penalty, see § 152.999