A Class A or B manufactured home or RV may be allowed on an occupied site when either a building or demolition permit has been secured for that lot and the occupants of the temporary use are actively involved in demolishing and clearing the site or constructing a new primary building. The maximum stay for temporary use is one year with extensions granted only by the city council. (Ord. 615 § 2(part), 1999; Ord. 523 § 1(part), 1989)