A.   No lot shall be used, and no structure shall be erected, altered or remodeled for any of the following uses: abattoirs; arsenals; crematories; creosote treatment or manufacture; fat rendering; fertilizer manufacture; fireworks manufacture or storage; dumping or reduction of garbage, dead animals, offal, or refuse; ore reduction; petroleum processing or refining; pyroxylin manufacture; gutta percha manufacture or treatment; saltworks; sauerkraut manufacture; smelters; stockyard or slaughter of or experimentation with animals or fowl; tallow, grease, or lard manufacture or treatment; tanning, curing, or storage of rawhides or skins; tar distillation or manufacture; cement, concrete, or asphaltic concrete, mortar or plaster batch mixing plants; or junkyard or other uses having operations that are deemed by the board of trustees to be incompatible with the intended environmental character of the ORA office-research-assembly district, except clinical testing of animals of the rodent family or domesticated fowl is permitted if conducted within a separate room or rooms not to exceed two thousand (2,000) square feet of gross floor area which is part of a building used for research.

   B.   Explosives: No activities involving the storage, utilization, or manufacture of materials or products which decompose by detonation shall be permitted, except such as are specifically licensed by the village. Such materials shall include, but shall not be confined to, all primary explosives such as lead azide, lead styphnate, fulminates and tetracene; all high explosives such as TNT, RDX, HMX, PETN and pectic acid, propellants and components thereof such as nitrocellulose, black powder, boron hydrides, hydrazine and its derivatives; pyrotechnics and fireworks such as magnesium powder, potassium chlorate and potassium nitrate; blasting explosives such as dynamite and nitroglycerin; unstable organic compounds such as acetylides, tetrazoles, perchloric acids; perchlorates, chlorates, hydrogen peroxide in concentrations greater than thirty five percent (35%); and nuclear fuels, fissionable materials and products, and reactor elements such as uranium 235 and plutonium 239. (Ord. G-60, 3-22-1966; Ord. G-119, 5-12-1970; Ord. G-1261, 10-22-2024)

All business, service, research, merchandise display and manufacturing activities and operations shall be conducted wholly within completely enclosed buildings except off street parking, off street loading, outdoor dining areas adjacent to restaurants and open sales lots and drive-in facilities in districts where they are permitted. (Ord. G-60, 3-22-1966; Ord. G-758, 8-24-2004)

Any use established in the ORA1, ORA2 or ORA3 office-research-assembly districts shall be operated so as to comply with the performance standard regulations prescribed in this section, and no use lawfully established on the effective date hereof shall be hereafter altered or modified so as to conflict with, or further conflict with, such performance standards.

   A.   Noise: See section 13-3-10 of this title for performance standards pertaining to sound levels.

   B.   Vibration: Any operation or activity which shall cause at any time and at any point beyond the boundaries of the lot, earthborne vibrations other than background vibrations produced by some source not under control of this chapter, such as the operation of motor vehicles or other transportation facilities in excess of the limits set forth in the following column I is prohibited. In addition, any operation or activity which shall cause at any time and at any point in a residence district earthborne vibrations in excess of the limits set forth in the following column II is prohibited. Vibration shall be expressed as displacement in inches and shall be measured with a three (3) component measuring system approved by the Director of Development Services.

 

 

      Impact vibrations which are discrete pulses that do not exceed one hundred (100) impulses per minute shall be permitted twice the displacements shown above in columns I and II.

   C.   Smoke And Particulate Matter:

      1.   The emission of smoke or particulate matter in such manner or quantity as to be detrimental to or endanger the public health, safety, comfort, or welfare is hereby declared to be a public nuisance and shall henceforth be unlawful.

      2.   For the purpose of grading the density or equivalent capacity of smoke, the Ringelmann chart described in the bureau of mines information circular 6888 shall be employed. The emission of smoke or particulate matter of a density or equivalent greater than no. 1 on the Ringelmann chart is prohibited at all times except as otherwise provided hereinafter.

      3.   The emission of smoke or particulate matter of a density greater than Ringelmann no. 3 is permitted once in any twenty four (24) hour day for no more than three (3) minutes.

      4.   Wind generated dust from such sources as storage areas, yards, roads, and so forth, within lot boundaries shall be minimized by appropriate landscaping or all weather paving.

      5.   The emission of particulate matter from any chimney, stack, or vent shall not exceed one-fourth (1/4) pound per hour per acre of lot area.

   D.   Toxic Matter: No use shall discharge beyond the boundaries of the lot toxic matter in such concentrations as to be detrimental to, or endanger the public health, safety, comfort or welfare, or cause injury or damage to property or business.

   E.   Odors: The emission of odorous matter in excess of the odor threshold measured beyond the boundaries of the lot at ground level or at habitable elevation is prohibited.

   F.   Fire And Explosion Hazard:

      1.   The storage, utilization, or manufacture of solid materials ranging from incombustible to moderate burning is permitted.

      2.   The storage or utilization of solid materials ranging from free or active burning to intense burning is permitted provided the following conditions are met:

         a.   The materials shall be stored or utilized within completely enclosed buildings or structures having incombustible exterior walls and handled in accordance with the standards and regulations of the village and the National Fire Protection Association.

         b.   All such buildings shall be set back at least forty feet (40') from all lot lines or, in lieu thereof, shall be protected throughout by an automatic fire extinguishing system installed in accordance with the standards and regulations of the village and the National Fire Protection Association.

         c.   Said materials, if stored outdoors, shall be no closer than one hundred fifty feet (150') to the nearest lot line in conformance with the standards and regulations of the village and the National Fire Protection Association.

   3.   The storage or utilization of flammable liquids or materials which produce flammable or explosive vapors shall be permitted in accordance with the following limitations, exclusive of storage in underground tanks, and storage of finished products in original sealed containers:

         a.   Said materials or products shall be stored or utilized within completely enclosed buildings having incombustible exterior walls, and handled in accordance with the standards and regulations of the village and the National Fire Protection Association and, in addition, all such buildings shall be set back at least forty feet (40') from all lot lines and shall be protected throughout by an automatic fire extinguishing system installed in accordance with the standards and regulations of the village and the National Fire Protection Association.

         b.   The aboveground storage of flammable liquids in excess of the following quantities shall not be permitted:

 

 

         c.   The total of all flammable liquids permitted on any lot shall not exceed ten thousand (10,000) gallons.

   G.   Glare And Heat: Any operation producing glare or heat shall be performed within a completely enclosed building in such manner as not to create a public nuisance or hazard beyond the boundaries of the lot.

   H.   Radiation Hazards:

      1.   The release of radioactive gases and particulate matter shall not exceed the maximum allowable concentration permitted the general population of applicable federal, state and local laws and regulations when measured at or beyond the lot line at ground level or habitable elevation.

      2.   No activity involving radiation hazards shall be permitted which causes exposure to persons at or beyond the lot lines in excess of the maximum allowable permitted the general population in applicable federal, state and local laws and regulations. (Ord. G-60, 3-22-1966; Ord. G-233, 5-31-1978; Ord. G-863, 7-22-2008; Ord. G-1261, 10-22-2024)

   A.   For the purposes of this section, "outdoor dining areas" are defined as the use of an adjacent, outside area by a restaurant for the same eating and drinking activities that occur within the restaurant.

   B.   The following regulations shall apply to outdoor dining areas:

      1.   The location of any outdoor dining area comply with all setback requirements in the applicable zoning district and shall not obstruct pedestrian or vehicular traffic. A minimum of five feet (5') of sidewalk clearance shall be maintained at all times for pedestrian travel;

      2.   Any outdoor dining area be under the direct supervision and control of the principal restaurant, and such dining area be enclosed by a fence or other protective safety barrier which shall be constructed to clearly delineate the boundaries of the area and to protect the health and safety of restaurant patrons and the general public;

      3.   The hours of operation of any outdoor dining area be within the normal operating hours of the principal restaurant;

      4.   There shall be no live entertainment in the outdoor dining area;

      5.   Plans shall be provided delineating the location of the outdoor dining area, and such location be approved by the Building Official as part of a building permit. The outdoor dining area shall be maintained in compliance with the approved plans;

      6.   The principal restaurant and outdoor dining area shall be in compliance with all the requirements of this code and all other applicable rules and regulations of any other governing agency including the DuPage County Health Department regarding restaurant and outdoor dining areas. (Ord. g-1163, 4-24-2020)

Accessory uses and structures, including storage and service areas within the structures, garages for delivery trucks, central heating and air conditioning plants, and storage areas, yards, shops and similar facilities that are used solely for operating, servicing or maintaining the activities and improvements within the lot on which the accessory use is located. Accessory uses and structures shall also include dwellings occupied by watchmen, janitors, maintenance and similar employees engaged upon the premises; but no dwellings shall be erected for any other purposes.

Any establishment, the principal use of which is manufacturing, fabricating, processing, assembly, repairing, storing, cleaning, servicing or testing of materials, goods or products, provided that operations conform with performance standards and other requirements of this title.

Churches, on lots not less than four (4) acres in area.

Data centers.

Electric distribution centers and substations.

Gas regulator stations.

Offices and financial institutions. (Ord. G-60, 3-22-1966; Ord. G-1261, 10-22-2024)

Clinics, medical and dental, including accessory laboratories.

Daycare centers, provided such facility complies with all licensing requirements of the state and maintains a direct alarm hookup to the police department or other emergency dispatch center.

Drive-in banking facilities.

Health clubs, private, membership only, in multibuilding office complexes under single ownership or control on sites not less than ten (10) acres, when such facility is designed primarily for use by tenants of the office complex. Such structure shall not front on any perimeter road, and access thereto shall be provided only from interior roadways.

Heliports (not for freight) shall meet all of the standards as contained in subsection 13-10A-4C of this article.

Hotels.

Outdoor ATM (automated teller machine) walk-up or drive-thru.

Parks and open field recreational activities.

Personal service and retail sales uses intended primarily for the use of tenants and having no exterior advertising and accessible only from the lobby or interior of the building, limited to:

   Barbershops and beauty parlors.

   Drugstores.

   Newsstands; newspapers, magazines and other periodicals.

   Tobacco shops.

Public utility, governmental service and transportation uses:

   Bus turnarounds and passenger shelters.

   Emergency warning system structures.

   Fire and police stations.

   Post office operated by the United States government.

   Sewage and stormwater lift stations.

   Telephone exchanges, transmission buildings and equipment, and outdoor telephone booths and pedestals.

   Water filtration plants, wells, pumping stations and reservoirs.

Radio and television stations and production studios.

Restaurants with accessory cocktail lounges and outdoor dining areas, without facilities for dancing and live entertainment, in multibuilding office complexes under single ownership or control on sites not less than ten (10) acres, when such facility is designed primarily for use by tenants of the office complex. Such structure shall not front on any perimeter road, and access thereto shall be provided only from the interior roadways.

Schools, nonresidential, post baccalaureate school; provided, that not more than twenty percent (20%) of the course offerings may be prerequisite to admission to the post baccalaureate programs. (Ord. G-60, 3-22-1966; Ord. G-131, 5-25-1971; Ord. G-210, 2-8-1977; Ord. G-275, 1-20-1981; Ord. G-305, 9-8-1981; Ord. G-424, 1-24-1989; Ord. G-448, 7-10-1990; Ord. G-471, 8-13-1991; Ord. G-483, 3-10-1992; Ord. G-487, 5-12-1992; Ord. G-536, 7-12-1994; Ord. G-553, 3-14-1995; Ord. G-669, 1-23-2001; Ord. G-724, 7-22-2003; Ord. G-785, 6-28-2005; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

   A.   Floor Area Ratio: Not to exceed 0.48.

   B.   Structure Height: Not more than five (5) stories or seventy six feet (76'), whichever is less.

   C.   Yards:

      1.   Front: Not less than one hundred feet (100') in depth, except when adjacent to a residence district boundary line not less than one hundred fifty feet (150') in depth;

      2.   Side: Not less than thirty feet (30') in depth, except: a) that portion of a side yard when abutting a residence district shall not be less than one hundred fifty feet (150') in depth; b) a side yard abutting a street shall conform in depth to the front yard depth of a contiguous lot abutting on such street; and c) side yards abutting 22nd Street and York Road shall have a depth of not less than one hundred feet (100');

      3.   Rear: Not less than forty feet (40') in depth, except that portion of a rear yard abutting a residence district shall be not less than one hundred fifty feet (150') in depth, and except that a rear yard abutting an alley or service drive may be reduced by twenty feet (20') in depth;

      4.   Conservation/Recreation Districts: Notwithstanding anything contained in this title to the contrary, including, without limitation, section 13-3-13 of this title, any yard which is one hundred feet (100') in depth and which is adjacent in its entirety to a conservation/recreation district boundary shall satisfy the applicable yard requirement;

provided, however, that when a developed zoning lot which contains two (2) or more principal buildings is subdivided the yards required along the new lot lines created by the subdivision shall be not less than thirty feet (30') in depth and the depth of all required yards for each lot shall be shown on the subdivision plat; provided, that existing parking stalls and aisles and access and service drives shall be permitted to continue within said yards and within the yards along the boundaries of the original zoning lot required by subsections C1, C2 and C3 of this section, as modified by subsection 13-12-3H of this title; and provided further that upon redevelopment of any part of a lot, other than for resurfacing or for utility replacement, which development requires removal of existing parking stalls or aisles located in whole or in part within areas where such accessory uses are not permitted by said subsections as so modified, no new stalls or aisles shall be constructed in such areas except as permitted by said subsections as so modified, and any landscaping therein required by this title shall be promptly installed and properly maintained. (Ord. G-60, 3-22-1966; Ord. G-135, 5-22-1971; Ord. G-213, 3-22-1977; Ord. G-554, 5-9-1995; Ord. G-557, 7-25-1995; Ord. G-676, 4-10-2001)

   A.   Awnings, Marquees And Signs: See chapter 11 of this title.

   B.   Off Street Parking And Loading: Off street parking and loading shall be as provided in chapter 12 of this title.

   C.   Heliports 1 :

      1.   If the federal aviation administration has conducted an aeronautical study to determine the effect of the proposed heliport on the safe and efficient use of the navigable air space by aircraft and find no objection to the proposed heliport.

      2.   The layout and design of the heliport, including approach and departure paths, shall conform to the most current rules and regulations of the division of aeronautics, state of Illinois, department of transportation. Any approval for a heliport granted by the village shall be subject to evidence that said division of aeronautics has issued an order authorizing the applicant to proceed with construction of the heliport in accordance with plans approved by it; provided, however, that any waiver of such rules and regulations granted by said division shall be subject to approval by the village. No permit for the construction of a heliport will be given until such an order has been issued by said division.

      3.   Hours of operation shall be from seven o'clock (7:00) A.M. to ten o'clock (10:00) P.M. Monday through Saturday. The heliport may also be used on Sunday, provided the village is advised seventy two (72) hours in advance, and said use does not exceed one such use per month.

      4.   Approach and departure patterns from said heliport shall be limited to avoid operation over residential areas.

      5.   Refueling, routine maintenance and storage of helicopter, except for emergency purposes only, shall not be permitted at the heliport.

      6.   There will be no receiving or shipping of freight from said heliport, and there will be no on site storage of fuel.

      7.   Use of the heliport shall at all times comply with any specific requirements of the federal aviation administration or Illinois department of transportation in the certificate of approval or operation issued to the user of the heliport by such agencies.

      8.   Special use shall only be applicable to the applicant therefor and only so long as the applicant is occupying the subject property, provided, however, that pursuant to a special use permit application identifying a specific user occupying property adjacent to the subject property, the special use also may be made applicable to such user for so long as such user occupies adjacent property.

      9.   The applicant shall maintain at all times appropriate and sufficient insurance coverage relative to the installation and use of the heliport insuring against any property damage or personal injury arising therefrom with policy limits of not less than twenty million dollars ($20,000,000.00).

      10.   All such special uses shall be reviewed by the village every five (5) years for conformance with the conditions set forth herein, character of safety and extent of operations and any further relevant factors.

      11.   Helicopters utilizing a heliport shall fly at the maximum safe level prior to entering the approach pattern to the heliport.

      12.   Use of the heliport shall be made available to the village or its designees for emergencies.

      13.   A log of usage shall be submitted to the village on an annual basis, or as otherwise required by the village. (Ord. G-60, 3-22-1966; Ord. G-82, 4-9-1968; Ord. G-178, 12-9-1975; Ord. G-305, 9-8-1981; Ord. G-471, 8-13-1991; Ord. G-553, 3-14-1995; Ord. G-695, 3-26-2002)

Accessory uses and structures, including storage and service areas within the structures, garages for delivery trucks, off street parking, central heating and air conditioning plants, and storage areas, yards, shops, and similar facilities that are used solely for operating, servicing, or maintaining the activities and improvements within the district. Accessory structures and uses shall also include dwellings occupied by watchmen, janitors, maintenance and similar employees engaged upon the premises; but no dwelling shall be erected for any other purpose.

Permitted uses as allowed in the B2 regional shopping center district.

Permitted uses as allowed in the ORA1 office-research-assembly district. (Ord. G-60, 3-22-1966; Ord. G-758, 8-24-2004)

Daycare centers, provided such facility complies with all licensing requirements of the state and maintains a direct alarm hookup to the police department or other emergency dispatch center.

Drive-in establishments for retail banks and freestanding restaurants.

Heliports (not for freight) shall meet all of the standards as contained in subsection 13-10A-4C of this chapter.

Nonresidential, postbaccalaureate schools.

Outdoor ATM (automated teller machine) walk-up or drive-thru.

Public utility, governmental service and transportation uses:

   Bus turnarounds and passenger shelters.

   Fire and police stations.

   Sewage and stormwater lift stations.

   Telephone exchanges, transmission buildings and equipment, and outdoor telephone booths and pedestals.

   Water filtration plants, wells, pumping stations and reservoirs. (Ord. G-980, 9-25-2012; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

   A.   Floor Area Ratio: Not to exceed 1.2 for office uses, financial uses and accessory uses thereto; 0.8 for other uses permitted in the ORA1 district; and 0.3 for uses as permitted in the B2 regional shopping district.

   B.   Structure Height: Not more than twelve (12) stories or one hundred seventy four feet (174'), whichever is less.

   C.   Yards:

      1.   Front: Not less than one hundred feet (100') in depth, except when adjacent to a residence district boundary line not less than one hundred fifty feet (150') in depth, provided that required front yards may be occupied by drives, sidewalks, landscaping and similar facilities.

      2.   Side: Not less than thirty feet (30') in depth, except: a) that portion of a side yard abutting a residence district shall be not less than one hundred fifty feet (150') in depth; b) a side yard abutting a street shall be not less than fifty feet (50') in depth; c) each interior side yard shall be increased by not less than one foot (1') for each one foot (1') of structure height over thirty two feet (32'); and d) side yards abutting 22nd Street and York Road shall have a depth of not less than one hundred feet (100'), provided that required side yards may be occupied by drives, vehicular parking, sidewalks, landscaping, and similar facilities provided that paved parking areas shall not be located closer than forty feet (40') to any lot in a residence district.

      3.   Rear: Not less than twenty feet (20') in depth, except that portion of a rear yard abutting a residence district shall be not less than one hundred feet (100') in depth, provided that required rear yards may be occupied by drives, vehicular parking, sidewalks, landscaping and similar facilities provided that paved parking areas shall not be located closer than forty feet (40') to any lot in a residence district. (Ord. G-60, 3-22-1966; Ord. G-213, 3-22-1977; Ord. G-557, 7-25-1995; Ord. G-758, 8-24-2004)

   A.   Awnings, Marquees And Signs: See chapter 11 of this title.

   B.   Off Street Parking And Loading: Off street parking and loading shall be as provided in chapter 12 of this title. (Ord. G-60, 3-22-1966; Ord. G-695, 3-26-2002)

The ORA3 district is designed to permit and encourage orderly and attractive site planning in accordance with an overall design which provides for the preservation of natural site qualities, a high proportion of open space, and an arrangement of land uses and physical features into a harmonious design compatible with the surrounding area. It is intended that an area may be classified as an ORA3 district only when the following conditions are met:

   A.   Not less than fifty percent (50%) of the property shall be permanently devoted to open space which shall consist of planted areas (including planted surfaces of parking decks), forests, lagoons, watercourses, storm water swales and retention areas, pedestrian, bicycle, and bridle paths and walkways, with the maximum practicable retention of forests and other natural vegetation.

   B.   All buildings and parking, and other structures to the extent practical, will be substantially screened from public view from public streets and streets privately owned and maintained in residential developments in accordance with a landscaping plan to be submitted for approval by the village.

   C.   All roads and bridges will be retained in private ownership and constructed to meet village standards and maintained by the owner without cost to the village.

   D.   All access to and from the property can be constructed and maintained so that substantially all traffic generated will use commercial thoroughfares. (Ord. G-60, 3-22-1966)

The following are permitted uses within the ORA3 district, but only to the extent that each such use is in accordance with an approved Planned Development:

Accessory uses and structures including the following:

   Central heating and air conditioning plants.

   Daycare centers, provided such facility complies with all licensing requirements of the state and maintains a direct alarm hookup to the police department or other emergency dispatch center.

   Limited retail and service facilities.

   Living quarters (not in separate residential buildings) solely for occupancy of watchmen, janitors, maintenance, and similar employees (and their families) employed in connection with the maintenance and security of the property and improvements thereon.

   Lodging facilities (together with restaurant and accessory cocktail lounge) for the transient use of employees of the owner, its subsidiaries, affiliates, franchisees, and other business invitees.

   Nonpublic meeting and conference facilities.

   Private recreational use, such as tennis courts, putting greens, swimming pools, bowling alleys, racquetball courts, baseball diamonds, stables, bridle paths, and health facilities.

   Public utility and transportation uses, such as:

      Bus turnarounds and passenger shelters;

      Electric distribution stations solely for serving the development;

      Outdoor telephone booths;

      Sewerage and storm water lift stations;

      Wells and reservoirs.

   Radio and television production studios.

   Research and development facilities.

   Storage, service, and maintenance buildings and areas.

   Temporary buildings for construction purposes and construction equipment storage areas, for a period not to exceed thirty (30) days following completion of construction.

Hotels.

Office, business and professional; provided, however, that following completion of any phase and for five (5) years thereafter not more than thirty three percent (33%) of the office space shall be occupied by persons other than employees or business invitees of either: a) the owner, its successors or subsidiaries or affiliated corporations thereof, or joint venturers or partners of the owner; or b) tenants who are suppliers for or consultants to the owner.

Restaurants (which may include musical entertainment and dancing, cocktail lounges and tearooms) and outdoor dining areas (as described in section 13-10-4). (Ord. G-60, 3-22-1966; Ord. G-447, 4-24-1990; Ord. G-558, 7-25-1995; Ord. G-696, 6-11-2002; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

Heliport (not for freight), shall meet all of the standards as contained in subsection 13-10A-4C of this chapter and may be located on a roof of a building of four (4) stories or less.

Not for profit, noncommercial performing and fine arts center.

Schools of music, fine arts, dance, theater, and other arts. (Ord. G-60, 3-22-1966; Ord. G-305, 9-8-1981)

   A.   Lot Area: Not less than twenty four (24) acres.

   B.   Floor Area Ratio:

      1.   Not to exceed 0.44 for permitted and accessory uses;

      2.   Not to exceed 0.01 for special uses.

   C.   Open Space:

      1.   Not more than twenty four percent (24%) of the property shall be covered by buildings, including parking structures.

      2.   Not less than fifty percent (50%) of the property shall be "open space" as defined in subsection 13-10C-1A of this article.

   D.   Structure Height: Not to exceed thirty five feet (35') or three (3) stories, whichever is less; provided, however, that parking structures may be above that height but shall not exceed the lesser of four (4) stories or forty feet (40') unless located within an office building structure; and that up to forty five percent (45%) of the total permitted office floor area may be above that height but shall not exceed the lesser of six (6) stories or seventy five feet (75'); and up to ten percent (10%) of the total permitted lodging facilities floor area may be above that height, but shall not exceed the lesser of five (5) stories or sixty feet (60').

   E.   Yards: No structure other than signs as provided for in subsection 13-10C-5A of this article, shall be erected or maintained within one hundred feet (100') from any boundary of said property, except that said area may be occupied by drives, vehicular parking, sidewalk, landscaping, gatehouse entrance treatment and similar facilities, except that paved parking areas shall not be located on required yards adjacent to public streets or within forty feet (40') of all other boundary lines. (Ord. G-60, 3-22-1966; Ord. G-558, 7-25-1995)

   A.   Signs: See chapter 11 of this title.

   B.   Off Street Parking And Loading: Off street parking and loading shall be as provided in chapter 12 of this title, except that if the approved Planned Development shall reserve enough land area to satisfy the full requirements of chapter 12 of this title, then only sixty percent (60%) of the required parking for any phase of the development need be developed until and unless the village determines that the existing parking is inadequate. At such time, the owner shall construct additional parking spaces as required by chapter 12 of this title up to one hundred percent (100%). An amount equal to twenty percent (20%) of the parking provided for the development shall be located in an office building and/or in underground parking facilities decked over with architectural landscaping. (Ord. G-60, 3-22-1966; Ord. G-447, 4-24-1990; Ord. G-558, 7-25-1995; Ord. G-695, 3-26-2002; Ord. G-1261, 10-22-2024)

   A.   Requires a Planned Development (see Chapter 15 of this Title).

   B.   An application for approval of a proposed Planned Development. (Ord. G-60, 3-22-1966; Ord. G-233, 5-31-1978; Ord. G-1261, 10-22-2024)

Accessory uses and structures including:

   Restaurants, accessory cocktail lounges, and outdoor dining areas (as described in section 13-10-4) over five (5) stories in height which is used principally for a permitted use, and when located on floors below those used for the principal use or on the top floor or roof of such structure.

   Retail sales and personal service uses when located on floors below those used for the principal use. Signs may be permitted equivalent to first floor restaurants.

Banks and financial institutions.

Electric distribution centers and substations.

Gas regulator station.

Offices. (Ord. G-60, 3-22-1966; Ord. G-842, 10-9-2007; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

Daycare center, provided such facility complies with all licensing requirements of the state and maintains a direct alarm hookup to the Oak Brook police department.

Heliports, not for freight, shall meet all of the standards as contained in subsection 13-10A-4C of this chapter. Additionally, the operation of said heliport shall meet the performance standards as contained in section 13-10-3 of this chapter.

Hotel or combination office and hotel.

Public utility, governmental service and transportation uses.

   Bus turnarounds and passenger shelters.

   Emergency warning system structures.

   Fire and police stations.

   Outdoor ATM (automated teller machine) walk-up or drive-thru.

   Sewage and storm water lift stations.

   Telephone exchanges, transmission buildings and equipment, and outdoor telephone booths and pedestals.

   Water filtration plants, wells, pumping stations and reservoirs. (Ord. G-60, 3-22-1966; Ord. G-454, 10-9-1990; Ord. G-483, 3-10-1992; Ord. G-747, 4-27-2004; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

   A.   Floor Area Ratio: Not to exceed 0.8.

   B.   Yards:

      1.   Front: Not less than one hundred feet (100') in depth, except when adjacent to a residence district boundary line not less than one hundred fifty feet (150') in depth.

      2.   Side: Not less than thirty feet (30') in depth, except: a) that portion of a side yard abutting a residence district shall be not less than one hundred fifty feet (150') in depth; b) a side yard abutting a street shall be not less than forty feet (40') in depth; and c) a side yard abutting 22nd Street shall be not less than one hundred feet (100') in depth.

      3.   Rear: Not less than forty feet (40') in depth, except that portion of a rear yard abutting a residence district shall be not less than one hundred feet (100') in depth and except that a rear yard abutting an alley or service drive may be reduced by twenty feet (20') in depth. (Ord. G-60, 3-22-1966; Ord. G-213, 3-22-1977)

   A.   Awnings, Marquees And Signs: See chapter 11 of this title.

   B.   Off Street Parking And Loading: Off street parking and loading shall be as provided in chapter 12 of this title. (Ord. G-60, 3-22-1966; Ord. G-233, 5-31-1978; Ord. G-305, 9-8-1981; Ord. G-695, 3-26-2002)

Accessory uses and structures including:

   Restaurants including outdoor dining (as described in section 13-10-4) and accessory cocktail lounges in a structure five (5) stories or more in height which is used principally for a permitted use, and when located on the ground or on floors below those used for the principal use or on the top floor or roof of such structure.

   Retail sales and personal service uses when no single establishment occupies more than two thousand (2,000) square feet of floor area.

Buildings existing at the time of rezoning to O4 office district may be used for any of the uses permitted in the zoning district applicable to the property at the time of its rezoning; provided that in the event that: a) the structure is substantially damaged and the owner is not required by the lease or otherwise to restore the structure to its prior condition; or b) the structure is not occupied, used or leased for such purpose or purposes for a period of twelve (12) consecutive months, then its future use shall be limited to one or more of the uses permitted in this article, or, with the prior approval of the village board of trustees, to one or more of the special uses set forth in section 13-10E-2 of this article.

Electric distribution centers and substations.

Gas regulator station.

Office supply retail establishments.

Offices. (Ord. G-60, 3-22-1966; Ord. G-1163, 4-28-2020)

Daycare center, provided such facility complies with all licensing requirements of the state and maintains direct alarm hookup to the Oak Brook police department.

Health clubs, private, membership only, in multi-building office complexes under single ownership or control on sites not less than ten (10) acres. Such structure shall not front on any perimeter road, and access thereto shall be provided only from interior roadways.

Heliports, not for freight, shall meet all of the standards as contained in subsection 13-10A-4C of this chapter. Additionally, the operation of said heliport shall meet the performance standards as contained in section 13-10-3 of this chapter.

Hotel or combination office and hotel.

Medical offices.

Outdoor ATM (automated teller machine) walk-up or drive-thru.

Mixed use development on properties not less than ten (10) acres in area subject to an approved Planned Development.

Public utility, governmental service and transportation uses:

   Bus turnarounds and passenger shelters.

   Emergency warning system structures.

   Fire and police stations.

   Schools - nonresidential, postbaccalaureate school, provided that not more than twenty percent (20%) of the course offerings may be prerequisite to admission to the postbaccalaureate programs.

   Sewage and stormwater lift stations.

   Telephone exchanges, transmission buildings and equipment, and outdoor telephone booths and pedestals.

   Water filtration plants, wells, pumping stations and reservoirs. (Ord. G-60, 3-22-1966; Ord. G-710, 12-10-2002; Ord. G-827, 1-23-2007; Ord. G-914, 1-12-2010; Ord. G-1074, 4-12-2016; Ord. G-1163, 4-28-2020; Ord. G-1261, 10-22-2024)

   A.   Floor Area Ratio: Not to exceed 0.8.

   B.   Structure Height: Not to exceed one hundred eighteen feet (118') or eight (8) stories in height, whichever is less.

   C.   Yards:

      1.   Front: Not less than sixty feet (60') in depth, except: a) when adjacent to a residence district boundary line not less than one hundred fifty feet (150') in depth; and b) when abutting 22nd Street or York Road not less than one hundred feet (100') in depth.

      2.   Side: Not less than thirty feet (30') in depth, except: a) that portion of a side yard abutting a residence district shall be not less than one hundred fifty feet (150') in depth; b) a side yard abutting a street shall be not less than forty feet (40') in depth; and c) a side yard abutting 22nd Street or York Road shall be not less than one hundred feet (100') in depth.

      3.   Rear: Not less than forty feet (40') in depth, except that portion of a rear yard abutting a residence district shall be not less than one hundred feet (100') in depth and except that a rear yard abutting an alley or service drive may be reduced by twenty feet (20') in depth. (Ord. G-60, 3-22-1966)

   A.   Awnings, Marquees And Signs: See chapter 11 of this title.

   B.   Off Street Parking And Loading: Off street parking and loading shall be as provided in chapter 12 of this title. (Ord. G-60, 3-22-1966; Ord. G-619, 9-22-1998; Ord. G-695, 3-26-2002)