An applicant may request a minor change(s)/revision(s) to a site plan or design elements already approved under this chapter. Such request shall be in writing and shall describe the requested minor change(s)/revision(s), the reasons for requested minor change(s)/revision(s), and describe how the modifications are consistent with the purpose, intent, and requirements of this chapter. The planning official shall review the requested minor change(s)/revision(s), reasons provided for the minor change(s)/revision(s), and determine whether the basis for the requested change(s)/revision(s) is reasonably necessary and is consistent with the purpose and requirements of this chapter and does not threaten the public health, safety, or welfare. The planning official shall then issue a written decision approving, approving with modifications, or denying the requested change(s)/revision(s), and shall make appropriate findings and conclusions.