The following restrictions and requirements shall apply to all construction activities on bluff/ravine property:
A. Plat Of Survey Required: Unless otherwise waived by the village engineer, any application for a building permit for any construction activity on any bluff/ravine property shall include a plat of survey prepared within one year of the date of application for the subject permit. The plat shall be sealed by a licensed surveyor and shall include, at a minimum, the following elements and information:
1. The lot lines of the bluff/ravine property;
2. The curvilinear line defining the top ravine edge or top bluff edge, or both, as the case may be (see section 10-13-1, illustrations 15A and 15B of this title);
3. The total square footage of the bluff/ravine property along with supporting calculations;
4. The location of all existing improvements on the bluff/ravine property in relation to the top ravine edge or the top bluff edge, or both, as the case may be;
5. The location of all proposed new improvements in relation to the top ravine edge or the top bluff edge, or both, as the case may be, clearly distinguished from existing improvements (see section 10-13-1, illustrations 15A and 15B of this title);
6. The existing and proposed grades;
7. The existing and proposed top of foundation elevations, using the same elevation data as used for site grades;
8. Bench mark with elevation and location clearly defined;
9. The location of all existing and proposed utility lines, including storm drainage facilities; and
10. A demonstration of the ways in which the applicant will ensure that all construction activities are in compliance with this chapter and that all such activities will be performed in a manner: a) to cause the least possible disruption of the natural features of a bluff or ravine protection area; and b) to be consistent with the purpose and intent of this chapter as expressed in section 10-12-1 of this chapter.
B. Fencing: A temporary fence shall be erected along a line that is ten feet (10') from the top ravine edge or top bluff edge, or both, as the case may be, during any development or construction activity on bluff/ravine property. For any construction activity that is permitted pursuant to this chapter to be within said ten foot (10') area, such fencing as the village engineer shall determine is necessary to prevent adverse impacts on the ravine or bluff, or both, as the case may be, shall be required. Any such fence shall be removed upon completion of the development or construction activity.
C. Grading And Restoration: Upon completion of any development or construction activity on bluff/ravine property, appropriate grading and restoration work shall be performed, as required by the village engineer, in order to ensure protection of the bluff and ravine protection areas. (Ord. 99-9, 3-8-1999)