The regulations set forth in this article are the district regulations in the "M-OR" office, research and compatible use district.

The intent of this section is to permit certain administrative research, light manufacturing and business organizations which do not in any way detract from residential desirability, to locate in an area which lies between a transportation network or manufacturing district of intense activity and certain residential districts of passive activity and thereby to act as a transitional district between said areas. The limitations as to uses, heights, ground cover, and offensive characteristics are imposed to protect and foster residential desirability of the community.

Any use permitted in the "M-OR" office, research and compatible use district shall comply provisions contained in sections 9A.3.1 to 9A.3.4. [9.3(1)—(4)].

(1)

No retail store, service establishment or establishment which makes sales on the premises to the ultimate consumer for personal use shall be located within this district, except such as is incidental to the principal use.

(2)

All operations and activities of all uses within this district including the storage of materials shall be conducted wholly inside a building or buildings.

(3)

No use permitted in this district shall omit odors, gas, dust, smoke, lighting effects or noise, to an extent greater than permitted by the state and Federal Environmental Protection Agencies and the following maximum allowable limits:

A.

Sound level shall not exceed maximum levels as provided in article IX, section 9.2 of this appendix.

B.

No vibration which is discernible to the human sense of feeling at any time at the property line shall be permitted.

(4)

No activities involving the storage, utilization or manufacturing of materials or products which decompose by detonation shall be permitted.

A.

The storage, utilization or manufacture of materials or products ranging from incombustible to moderate burning—As determined for liquids by a closed cup flashpoint of not less than one hundred eighty-seven (187) degrees fahrenheit—Is permitted subject to compliance with all other performance standards for the M district.

B.

The storage, utilization or manufacture of materials or products ranging from free or active burning to intense burning—As determined for liquids by a closed cup flashpoint of less than one hundred eighty-seven (187) degrees fahrenheit, but not less than one hundred fifty (150) degrees—Is permitted subject to compliance with all other performance standards for the M district and provided the following conditions are met:

(1)

Said materials or products shall be stored, utilized or produced within completely enclosed buildings or structures having incombustible exterior walls.

(2)

All such buildings or structures shall be set back at least forty (40) feet from lot lines, or in lieu thereof, all such buildings or structures shall be protected throughout by an automatic sprinkler system complying with installation standards prescribed by the National Fire Protection Association, or if the materials, goods or products are liquids, the protection thereof shall be in conformity with standards prescribed by the National Fire Protection Association.

A building or premises shall be used only for the following purposes and must comply with the restrictions given in section 9A.3 [9.3]:

(1)

Offices.

(2)

Research laboratories.

(3)

Personnel training centers.

(4)

Storing, cleaning, testing, repairing, assembling, fabricating and servicing establishments as determined by operations conforming with performance standards set forth in this appendix, but not within a building nearer than one hundred (100) feet of any residential district.

(5)

Public utility electric distribution centers in buildings.

(6)

Public utility telephone transmission equipment buildings.

(7)

Radio, television and electronics assembly, but not within a building nearer than one hundred (100) feet of any residential district.

(8)

Printing establishments, blueprint and photocopying establishments, but not within a building nearer than three hundred (300) feet of any residential district. Where materials having a closed cup flashpoint of less than one hundred (100) degrees fahrenheit are used, fire protection shall comply with the recommendations of the National Fire Protection Association (Rev. 1/64).

(9)

Special use: Planned developments (which may be under more than single ownership) containing uses permitted in the M-OR district and including other similar facilities, including but not limited to processing plants, assembly plants, packing plants, fabricating plants, distribution centers, repair, overhaul or servicing facilities, book manufacturing facilities, research facilities or testing facilities, and compatible nonretail commercial uses (Rev. 7/88).

No building shall be erected or enlarged to exceed thirty (30) feet in height; provided that an exception may be made by the board of trustees for penthouses, enclosed water towers and decorative building projections (Rev. 1/64).

No lot shall be less than one (1) acre in area. Only one (1) permitted use shall occupy one (1) such lot exclusive of offices, training centers and laboratories permitted herein and incidental to the principal use (Rev. 1/64).

(1)

The maximum ground area occupied by all buildings shall not be more than forty (40) per cent of the area of the lot or tract on which a building permit has been issued, excluding all areas dedicated for public purposes as may be required by the Village of Hazel Crest or other governmental authority. All buildings on a lot shall observe the yard requirements of this appendix (Rev. 1/64).

(2)

Front yard: There shall be a front yard having a depth of not less than fifty (50) feet wherein there shall be no structure of any kind. No part of the parking areas required by this appendix shall be located in the front yard (Rev. 1/64).

(3)

Side yard: There shall be a side yard having a width of not less than twenty-five (25) feet on each side of the building or buildings, except on the side of a lot abutting a residential district, in which case there shall be a side yard of not less than one hundred (100) feet. The parking of automobiles may be permitted within the side yard areas, except that where the side yard abuts a residential district, no parking space or access driveway shall be closer than sixty (60) feet to any lot zoned for residential use and except that no part of a side yard between the front lot line and the front yard line extended may be used for required off-street parking or loading areas (Rev. 1/64).

(4)

Rear yard: There shall be a rear yard having a depth of not less than forty (40) feet; provided that where any lot line abuts or is adjacent to an area zoned for residential use, the rear yard lines abutting such use shall be not less than one hundred (100) feet, and no parking shall be allowed within sixty (60) feet of such lot lines.

(5)

When, due to the shape of the site, alterations of the setback requirements is necessary to provide for the reasonable use of the site, these requirements may be reduced by twenty-five (25) per cent of the restrictive dimension by the planning and zoning commission.

Illumination of buildings, signs, grounds and parking areas shall be subject to the following:

(1)

No blinking lights shall be used for the illumination of signs. All primary light sources illuminating the buildings shall be erected and maintained in accordance with standards of the illuminating engineering society and shall be so placed, designed and used that neither the direct nor reflected light therefrom will adversely affect surrounding property or create a traffic hazard. Building faces, if illuminated for advertising purposes, shall be only such faces a do not front upon a residential district.

(2)

Floodlighting of grounds or parking or loading areas shall be arranged so as not to reflect direct rays of light into adjacent residential districts or into the public way. General lighting of parking or loading area shall, except for emergency and security lighting, cease at or before the hour of midnight when these areas face a residential district where the distance from the nearest light to the nearest residence is less than one thousand (1,000) feet.

Signs shall be in accordance with provisions set forth in subsequent articles of this appendix.

Off-street parking facilities for motor vehicles shall be provided in accordance with the regulations set forth hereafter.

(1)

Requirement: One (1) off-street parking space for each two (2) employees, based upon the greatest number of employees in attendance at any time, shall be provided on the premises. In the event permitted sales or services are provided, there shall be provided one (1) off-street parking space for each one hundred (100) square feet of sales or service area. In no event shall required parking be permitted on any public street abutting any use permitted herein.

(2)

Computation: When determination of the number of off-street parking spaces required by this amendment results in a requirement of a fractional space, any fraction of one-half (½) or less may be disregarded, while a fraction in excess of one-half (½) shall be counted as one (1) parking space.

(3)

Collective provision: Off-street parking facilities for separate uses may be provided collectively if the total number of spaces so provided is not less than the sum of the separate requirements for each such use and provided that such a collective parking facility is located within five hundred (500) feet of the main building entrances. Further, no parking spaces or portion thereof shall serve as a required space for more than one (1) use unless otherwise authorized by the planning and zoning commission.

(4)

Area: A required off-street parking space shall be at least nine (9) feet in width and at least twenty (20) feet in length, exclusive of access drives or aisles, ramps or columns. Such space shall have a vertical clearance of at least seven (7) feet.

(5)

Access: Each required off-street parking space shall open directly upon an aisle or driveway of such width and design as to provide safe and efficient means of vehicular access to such parking space. All off-street parking facilities shall be designed with appropriate means of vehicular access to a street or alley in a manner which will least interfere with traffic movement. No driveway across public property or curb cut shall exceed a width of twenty-five (25) feet.

(6)

Design and maintenance:

(a)

Open and enclosed parking spaces: Accessory parking spaces may be open to the sky or enclosed in a building.

(b)

Surfacing: All parking lots and perimeter roads and loading areas shall have a base course of stone, crushed gravel or slag, bladed and compacted over subgrade and shall be topped with suitable asphaltic concrete, bituminous topping or other permanent paving, as approved.

(c)

Screening and landscaping: All property lines adjoining a residential district or public or institutional premises, shall be effectively screened by a planted area of sufficient density for screening, not less than five (5) feet in height. All lot areas not paved or built upon shall be planted and landscaped.

(d)

Repair and service: No motor vehicle repair work or service of any kind shall be permitted in conjunction with any accessory parking or loading facilities, if such facilities are within five hundred (500) feet of a residence district.

(7)

Location: Subject to the provisions of section 9.3, all parking spaces required to serve buildings or uses erected or established after the effective date of this amendment shall be located on the same lot as the building or use served. Buildings or uses existing on the effective date of this amendment which are subsequently altered or enlarged so as to require the provisions of parking spaces under this amendment may be served by parking facilities located on land other than the lot on which the building or uses served is located, provided such facilities are within five hundred (500) feet walking distance of a main entrance to the use served.

Off-street loading facilities accessory to uses allowed shall be provided in accordance with the regulations set forth hereinafter:

(1)

Requirement: All required loading berths shall be located on the same zoning lot as the uses served and shall be completely enclosed within the building served or in yards adjacent to the building served, provided, however, that the yards are completely screened from adjacent residential areas by building walls of a uniformly painted solid fence, wall or door, or any combination thereof, not less than eight (8) feet in height.

(2)

Standing space: Standing space for trucks not being loaded or unloaded may be provided in the loading yard or another yard, provided that the standing yard shall be completely surrounded and effectively screened as provided in subsection (1) above for loading berths. All zoning requirements of this district for a building shall be met.

(3)

Area: Unless otherwise specified, a required off-street loading berth or standing space shall be at least ten (10) feet in width by at least twenty-five (25) feet in length, exclusive of aisle and maneuvering space, and shall have a vertical clearance of at least fourteen (14) feet.

(4)

Access: Each required off-street loading berth shall be designed with appropriate means of vehicular access to a street or alley in a manner which will least interfere with traffic movement.

(5)

All parking lots, perimeter roads and loading areas shall have a base course of stone, crushed gravel or slag, bladed and compacted over subgrade and shall be topped with suitable asphalt, concrete, bituminous topping, or other permanent paving, as approved (Rev. 1/64).

(6)

Utilization: Area allocated to any off-street loading berth or standing space shall not be used to satisfy the space requirement for any off-street parking facilities or portions thereof (Rev. 1/64).

(7)

Standards: For buildings permitted under this appendix, at least one (1) loading berth shall be provided for buildings containing less than one hundred thousand (100,000) square feet of gross floor area; for each additional one hundred thousand (100,000) square feet of gross floor area or any fraction thereof, up to five hundred thousand (500,000) square feet, one (1) additional loading berth shall be provided (Rev. 1/64).