The following uses shall be permitted within the BP District when accessory to an outright permitted use and intended to serve employees of the BP district:
A. Cafeteria, sandwich and coffee shops;
B. Daycare centers;
C. Health clubs;
D. Dwelling unit for caretaker or watchman;
E. Outdoor uses customarily appurtenant to permitted uses enclosed within buildings, including off-street parking areas, loading and unloading areas, etc.