The following uses are permitted in a C-3 Office, Research and Laboratory Zone:
A. 
Office buildings for business, professional and administrative facilities not engaged in retail or wholesale sale and delivery of goods nor repair, service for repair or service on the premises.
B. 
Research and laboratory uses devoted to nonhazardous research, design and experimentation, provided that pilot plants for the testing of processes, products or materials shall be permitted only as an accessory use to a research or laboratory use, shall not occupy more than 20% of the total floor area of all buildings and the materials or finished products produced shall be incidental to the principal research and laboratory use.
C. 
Municipal facilities.
D. 
Assisted-living residences:
(1) 
As conditional use.
(2) 
Having a minimum lot size of 15 acres.
(3) 
Not located in an Airport Hazard Area.
(4) 
With a maximum number of 110 units, with a maximum bed capacity of 120.
A. 
All yard and building coverage requirements for an office, research and laboratory zone are as specified in § 250-9.[1]
[1]
Editor's Note: See the Schedule of Area, Yard and Building Requirements at the end of this chapter.
B. 
Notwithstanding the minimum yards required, no building or structure used for business or office purposes shall be closer than 100 feet to the boundary of a residential district, and no building or structure used for industrial or laboratory purposes and no storage tank or structure shall be closer than 200 feet to a residential district, except that, where the district boundary is along a public street, the normal setback requirements shall apply.
All other regulations and controls pertaining to the C-1 Office and Manufacturing Zone, not in conflict with the provisions of this article, shall apply to all C-3 Zones.[1]
[1]
Editor's Note: See Art. VIII, Office and Manufacturing Zones.