§ 8.1. O-I Office Institutional District.

8.1.1 O-I District scope and intent. Regulations in this section are the O-I District regulations. Article XIX should be consulted to determine uses and minimum standards for uses allowed by administrative permit or use permit. The O-I District is intended to provide land areas for office and institutional uses where proximity to residential, public, commercial and other land uses, and existing and projected traffic patterns make it desirable to locate office and institutional uses.

8.1.2 Use regulations. Within the O-I District, land and structures shall be used in accordance with standards herein. Any use not specifically designated as a permitted use in this section or as a use allowed by administrative permit or use permit shall be prohibited.

A.

Permitted uses. Structures and land may be used for the following purposes: (Amended 7/7/99, 2/7/01)

1.

Single family dwellings.

2.

Two family dwellings.

3.

Rooming house and boardinghouse.

4.

Art galleries.

5.

Assembly halls.

6.

Churches, temples or other places of worship.

7.

Clinics.

8.

Community center buildings.

9.

Convalescent centers/nursing homes/hospices.

10.

Dancing schools.

11.

Day care facilities.

12.

Financial establishments.

13.

Funeral homes.

14.

Group residences.

15.

Gymnasiums.

16.

Health clubs/spas. (Added 2/7/01)

17.

Hospitals.

18.

Hotels.

19.

Institutions of higher learning, business colleges, music conservatories, and similar institutions.

20.

Libraries.

21.

Motels

22.

Museums.

23.

Offices.

24.

Parking garages/decks.

25.

Parking lots.

26.

Personal care homes.

27.

Recording studios. (Added 2/7/01)

28.

Research laboratories.

29.

Stadiums.

30.

Thrift institutions.

B.

Accessory uses. Structures and land may be used for uses customarily incidental to any permitted use and a dwelling may be used for a home occupation. No more than 25 percent of the total floor area of a building may be devoted to storage.

1.

Accessory retail and service uses shall be located within a building with a majority of the floor area designed for office uses. Accessory uses shall be located wholly within the principal buildings with no outdoor advertising except that a car wash, detail shop or service station may be located inside a parking garage as long as such uses are not visible from the exterior of the parking garage.

2.

Retail and service uses permitted shall be limited to employee convenience, business oriented retail, and service establishments such as computer hardware and software companies, commercial art, drafting, travel agencies, office equipment and supply stores, reproduction services, stenographic services, typing services, messenger services, delivery services, telecommunications sales and teleconferencing centers, personnel services and training centers, florists, gift shops, tailor shops, radio and television repair shops, shoe repair shops and barber or beauty shops. Restaurants are accessory whenever office and institutional floor area is at least 100,000 square feet. Fast food restaurants shall be limited to no more than ten percent of the total floor area devoted to retail and service business uses, and shall not occupy more than ten percent of any floor in a building. A drug store is accessory, provided only drugs, prescription medicines, medicinal supplies and pharmaceutical products shall be sold.

8.1.3 Development standards.

A.

Height regulations: Buildings shall be no higher than 60 feet or four stories, whichever is higher, except when a use permit to exceed the maximum height is approved.

B.

Minimum front yard: 40 feet.

C.

Minimum side yard:

— 40 feet adjacent to street.

— 20 feet interior. (Amended 5/6/92)

D.

Minimum rear yard: 25 feet.

E.

Minimum lot area per dwelling:

Single family: 18,000 s.f.

Two family: 18,000 s.f.

F.

Minimum lot width: 100 feet for residential use only.

G.

Minimum O-I lot frontage:

— 100 feet adjoining a street.

— 35 feet adjoining a street for residential uses. (Amended 11/3/93)

H.

Minimum heated floor area:

Single family: 1,100 s.f.

Two family: 800 s.f.

I.

Minimum accessory structure requirements: Single family and two family uses, accessory structures may be located in the rear or side yards only, but shall not be located within a minimum yard:

Multifamily use: Accessory structures shall not be located in the minimum front yard.

J.

Maximum lot coverage: The area of the footprint of all buildings and parking shall not exceed 70 percent of the total land area.

8.1.4 Other regulations. The headings below contain provisions applicable to the O-I District:

Development regulations. Article XXXIV

Exceptions. Section 4.3

Floodplain management. Section 4.24

Off-street parking and loading. Article XVIII

Outside storage. Section 4.2

Landscape area and buffer regulations. Section 4.23

River protection. Metropolitan River Protection Act

Signs. Article XXXIII

Noise study report, article 28.4.7 (Added 4/3/02)