In order to facilitate continuity of services during maintenance or repair of existing installations, or prior to completion of construction of a new WCF, temporary wireless communication facilities may be allowed subject to administrative review. Temporary WCFs shall not be in use in excess of sixty (60) days at any one location during any given six (6) month period. Temporary WCFs shall not have a permanent foundation, and shall be removed within thirty (30) days of suspension of services they provide.