Restored for other than a conforming use after damage, from
any cause, of 100% of the replacement cost of such building, exclusive
of foundations. Any such damaged building may be restored, but not
enlarged, if application for a building permit is made within six
months and the nonconforming use is reinstated within one year of
such damage. If the restoration of such building is not completed
within the provisions of § 300-771, the nonconforming use
of such building shall be deemed to have been discontinued, unless
such nonconforming use is carried on without interruption in the undamaged
portion of such building.