Construction sites shall be kept clean and free of debris. If work has not commenced within six months of the date of the issuance of the certificate of zoning compliance, or if work begins and then ceases for a period of 12 months, the certificate of zoning compliance shall become invalid.
(Code 1989, § 92.066; Ord. of 1-22-1991; Ord. of 4-10-2007; Ord. of 1-8-2008)