The determination and finding of the officer denying or granting any permit (either with or without conditions), or approving or disapproving any requested variance or alternate, shall be final and conclusive as to all facts, conditions and science involved in and pertinent to such action, unless an appeal is taken as hereinafter provided. A failure to take such appeal or an acceptance of a conditional permit, will constitute approval by the applicant or permittee of all such determinations and findings. (Ord. 696 § 1 (part), 1983; Ord. 288 § 61, 1962)