The following accessory uses, buildings and structures are permitted, provided that such accessory uses and buildings are not conducted or constructed until the main building has been constructed:
Accessory structures for the exclusive and customary storage or maintenance needs of the primary permitted use including the storage of maintenance vehicles.
The total gross floor area of all buildings on a Business Campus, whether made up of one or more lots in the M-2 zoning district, shall be limited to 350,000 square feet.
The total lot coverage (all impervious surfaces including buildings, parking, circulation, loading, etc.) shall be no more than 50% of the developable land (excluding regulated features).