[Ord. No. 2357-12 § 25-11.5]
Retail sales or service permitted as an accessory use in the OB-1, OB-2 and PURD Districts shall be an integral part of the permitted building, shall be limited to sales or services designed for the convenience of the employees, visitors and tenants of the permitted building and no goods, advertisements or other evidence of such sales or services shall be visible from the street. Such use shall not consist of more than 15% of the total first floor area in the OB-1 and PURD Districts or 10% of the gross floor area of the buildings or 3,000 square feet whichever is less in the OB-2 District and shall be designated on the preliminary site plan.