In the event grantee’s performance of any of the terms, conditions, obligations, or requirements of the franchise is prevented or impaired due to any cause beyond its reasonable control or not reasonably foreseeable, such inability to perform shall be deemed to be excused and no penalties or sanctions shall be imposed as a result thereof, provided grantee has notified City within a reasonable time after grantee’s discovery of the occurrence of such an event. Such causes beyond grantee’s reasonable control or not reasonably foreseeable shall include, but are not limited to, acts of nature and civil emergencies.