Nothing contained in this chapter shall require any change in plans, construction or designated use of a building the construction of which has begun prior to the enactment of the ordinance codified in this title and which construction remains uncompleted prior to the enactment of the ordinance codified in this title provided such construction shall be completed within one year from date of enactment of the ordinance codified in this title. (Ord. 609, 4-9-2001)