Rebuilding Damaged or Destroyed Nonconforming Towers or Antennas. Nonconforming towers or antennas that are damaged or destroyed may not be rebuilt without having to first obtain administrative approval or a conditional use permit and without having to meet the separation requirements specified in subsection 21-19.6b4 and 5. The type, height and location of the tower on site shall be of the same type and intensity as the original facility approval. Building permits to rebuild the facility shall comply with the then applicable building codes and shall be obtained within 180 days from the date the facility is damaged or destroyed. If no permit is obtained or if said permit expires, the tower or antenna shall be deemed abandoned as specified in subsection 21-19.8.