Ohio Rev. Code Ann. § 303.141
(A) If a county board of zoning appeals considers conditional zoning certificates for activities that are permitted and regulated under Chapter 1514. of the Revised Code or activities that are related to making finished aggregate products, the board shall not consider or base its determination on matters that are regulated by any federal, state, or local agency. However, the board may require as a condition of the approval of a conditional zoning certificate for such an activity compliance with any general standards contained in the zoning resolution that apply to all conditional uses that are provided for in the zoning resolution and, except as provided in division (C) of this section, may require any specified measure, including, but not limited to, one or more of the following:
(B)
(1) For purposes of this section and section 519.141 of the Revised Code, and prior to the submission of an application for a conditional zoning certificate, an applicant shall send written notice to the county engineer of the applicant's intent to apply for a conditional zoning certificate. Not later than fourteen days after receipt of the written notice, the county engineer shall establish the time, date, and location of a meeting with the applicant and send written notice of the time, date, and location of the meeting to the applicant and to the fiscal officer of each township in which the proposed activity is to be located or expanded. At the meeting, the applicant shall explain the proposed location of the activity or expansion of an existing activity, the anticipated amount of aggregate material to be shipped by truck from the activity, and the anticipated primary market areas for the finished aggregate products leaving the activity. Not later than thirty days after the meeting with the applicant, the county engineer shall submit a written recommendation of specific roads to be used as the primary means of ingress to and egress from the proposed activity to the board of county commissioners. In making the recommendation, the county engineer shall consider all of the following:
(C) When granting a conditional zoning certificate, a county board of zoning appeals shall not require the identification of specific roads, as otherwise authorized in division (A)(3) of this section, and the identification of specific roads in accordance with division (B) of this section shall not apply, for any of the following: