The following uses shall be permitted in the Wellfield Protection Area:
(a) The conditional uses within the Wellfield Protection Area shall be those of the existing zoning district, except as specified in subsection (b) hereof and Section 914.13.
(b) When listed as a permitted or conditional use within the existing zoning district, the excavation, extraction, mining or processing of sand, gravel and minerals from the earth for resale shall remain as conditional uses in the Wellfield Protection Area subject to Fairborn Planning Board approval of an excavation and facilities plan that includes, but is not limited to:
(1) An existing site plan with topographic detail at two (2) foot contour intervals, all planimetric information, depth to groundwater, and flood plain characteristics where applicable.
(2) The proposed extent and depth of excavations.
(3) Slope angle of excavation walls (any final slopes shall be at the angle of repose for the remaining material).
(4) Use and disposition of the spoil and/or overburden materials from the excavations including a landscaping and vegetation plan to stabilize any disturbed material.
(5) Surface drainage plan:
A. Drainage into on-site excavations from proximate off-site transportation facilities such as roadways and roadbeds and off-site watercourses is prohibited unless the applicant provides a plan which otherwise protects the excavations from off-site waterborne Regulated Substances.
B. The final on-site grading shall minimize all surface drainage into the excavations.
(6) A post-excavation and operation land use plan.
(7) A security plan (unauthorized access shall be strictly prohibited as long as any excavations remain on site). (Ord. 11-97. Passed 3-3-97.)