When a petition for administrative review, special exception or variance has been acted on by the board of adjustment and disapproved or failed to pass, such petition in the same or substantially similar form shall not be reconsidered by the board of adjustment for a period of two years. This section shall not apply to the property owner if the original request was initiated by any official, department, board or agency of the city acting in any official capacity. This section shall not apply to any initial petition or petition for reconsideration filed by the city council.