8-4-5: O OFFICE AND RESEARCH DISTRICT:
   A.   Intent: The intent of the O district is to provide areas attractive to executive headquarters and nuisance free industrial operations, such as research laboratories and pilot plants which require land adjacent to transportation facilities. This district is intended to promote nonresidential uses which are compatible with the uses allowed in surrounding residential areas.
   B.   Permitted Uses: The only uses permitted in an O district are:
Office uses as follows:
Advertising agency.
Engineering office.
Insurance office.
Medical laboratory.
Professional office including, but not limited to, doctors, lawyers, architects, engineers and accountants.
Utility company office.
Offices for executive or administrative purposes.
Personnel training center (excluding indoor recreation uses).
Scientific or research laboratories, including incidental pilot plants.
Research facilities for conducting research with respect to all types of animals, fowl and poultry and agricultural products and processes for consumption or use by humans or nonhumans.
Solar energy systems, building-mounted.
   C.   Special Uses: The following special uses are allowed in an O district only if approved by the board of trustees:
Healthcare facilities.
Planned unit developments.
Utility and public service uses, including:
Electric substations.
Fire and police stations.
Municipal facilities.
Sanitary sewage treatment facilities.
Shelters, terminals, parking areas and service buildings for school bus transportation.
Small wind energy systems, whether ground-mounted or building-mounted.
Solar energy systems, ground-mounted.
Water filtration plants, pumping stations and reservoirs.
   D.   Prohibited Uses: All geothermal energy systems and all large wind energy systems are prohibited in the O Zoning District. All uses which are not expressly permitted in the O Zoning District are prohibited.
   E.   Off Street Parking And Loading: Off street parking and loading areas must be provided as specified in chapter 8 of this title.
   F.   Lot Size: Any principal use, together with all accessory uses, shall be located on a lot having a minimum area of two hundred thousand (200,000) square feet.
   G.   Floor Area Ratio: The combined floor area ratio for any principal building, together with all accessory buildings, shall not exceed twenty hundredths (0.20) on any lot in an O district.
   H.   Building Size: The minimum ground floor area under roof for O district buildings shall be two thousand (2,000) square feet.
   I.   Height Of Buildings And Other Structures: The height of any building or other structure shall not exceed two and one-half (21/2) stories above a basement story or thirty five feet (35') whichever is lower.
   J.   Yards:
      1.   Front Yard: There shall be a front yard setback having a minimum depth of thirty feet (30') wherein there shall be no building, fencing, or other structure(s), nor any parking, or storage permitted. Front yard setbacks shall be provided for each side of a corner or through lot bordering on a public or private roadway.
      2.   Side Yard: On each side of a lot there shall be a side yard setback having a minimum depth of ten feet (10') wherein there shall be no building or other structure(s), nor shall any parking, driveway or storage be permitted, except that fencing and berms shall be permitted only in compliance with section 8-3-8-2 of this title, provided, however, that the side yard setback adjoining a street or a residential zoning district shall be not less than thirty feet (30').
      3.   Rear Yard: There shall be a rear yard setback having a minimum depth of twenty feet (20') wherein there shall be no building or other structure(s), nor shall any parking, driveway or storage be permitted, except that fencing and berms shall be permitted only in compliance with section 8-3-8-2 of this title.
   K.   Operations: Any principal use, together with all accessory uses shall be operated in an attractive and nuisance free manner to maintain a high quality of environment for the O district.
   L.   Exterior Lighting:
      1.   Shielded: All exterior lighting sources shall be shielded so that direct illumination is not visible to an observer standing on the property line of a residential district at a height of five feet (5') above the ground. This requirement does not apply to public street lighting.
      2.   Modification: Anytime exterior lighting is installed or substantially modified in any manner, an exterior lighting plan shall be submitted to the enforcement officer for approval prior to the implementation of any changes. (Ord. 2011-O-24, 11-1-2011; amd. Ord. 2014-O-03, 2-4-2014; Ord. 2023-O-04, 2-15-2023)