No building, structure, or land shall be used and no building or structure shall hereafter be erected, structurally altered, enlarged, or maintained except for one or more of the uses herein cited and subject to the conditions stated herein:

A single-family dwelling, only in connection with bona fide agricultural operations, as defined in [this] section 51.1.

Agricultural operations on tracts of ten acres or greater, provided no sales are made on the premises, but not including commercial animal or poultry farms or kennels.

Commercial heliports and/or helipads.

Computer programming and other software services.

Educational, scientific and research organizations.

Engineering, architectural, and design services.

Federal, state, county, city or public utility owned or operated buildings and uses.

Limited, temporary sleeping quarters for scientists, laboratory technicians, custodians and caretakers that are demonstrated to be necessary to carry out a permitted use in this district.

Mobile food vending sites.

Mobile food vending units.

Office buildings for general office purposes, but only in connection with on-site research, development testing and related manufacturing or in connection with such uses offsite (example: the general administrative offices of a research and development firm are permitted though no onsite research and development occurs.)

Permitted uses as special exceptions as defined and regulated by subsection 92.5.3 hereof.

Production facilities and operations with a high degree of scientific input and activity where at least 30 percent of the building area is devoted to nonmanufacturing activities to include offices, laboratories, technical support, etc. The remaining 70 percent may be used for manufacturing, assembly and related uses.

Research, experimental and testing laboratories.

Retail sales, consumer service establishments and other accessory uses (not including wholesale sales) are allowed in connection with any permitted use. Such uses will be primarily for the convenience of employees, students, or faculty of establishments permitted as principal uses; provided, however, that commercial uses shall not occupy more than five percent of the total floor area of all buildings on any lot or group of contiguous lots in common ownership or control.

Structures accessory to uses permitted herein including, but not limited to, warehouses, storage buildings, and pump houses provided such accessory uses shall not exceed 30 percent of the total building area of the primary use.

Telecommunications businesses, excluding radio and television studios.

(Ord. No. 96-1008, § 2, 1-23-1997; Ord. No. 05-547, § 3, 8-23-2005; Ord. No. 09-1053, § 1, 12-17-2009; Ord. No. 15-479, § 1, 8-27-2015; Ord. No. 12-581, § 1, 8-23-2012)

The performance standards listed in section 50.2, research park district hereof, shall be required of all uses located in the research park west district.

51.3.1. Yards facing an existing or proposed street other than a controlled access highway shall be considered front yards. Such yards shall have a minimum depth of 100 feet.

51.3.2. All other yards shall have a minimum depth of 50 feet, provided that no building shall project through an imaginary height plane as described in section 51.8.1.

51.3.3. All required yards shall be kept clear of driveways and vehicular access ways, except as necessary to cross a required yard, and shall be kept clear of parking areas, loading areas, accessory uses and buildings, provided however, a gate or security station may be located in a required yard.

(Ord. No. 09-430, § 21, 7-9-2009; Ord. No. 17-885, § 1, 12-21-2017; Ord. No. 18-536, § 1, 8-23-2018)

51.4.1. Buildings shall not cover an area greater than 40 percent of the total area of the tract upon which the buildings are located.

51.4.2. Buildings and all paved areas shall not cover an area greater than 60 percent of the total area of the tract.

51.4.3. Minimum lot area shall be not less than four acres for each tract.

51.4.4. Minimum lot width of each tract shall be not less than 300 feet measured at the minimum building line.

(Ord. No. 17-885, § 2, 12-21-2017; Ord. No. 18-232, §§ 2, 3, 5-24-2018)

51.5.1. Each lot shall have a minimum frontage of 100 feet on a public road.

51.5.2. Access to building sites shall be via collector or arterial streets, wherever possible. No access roads serving plants shall be permitted which may place heavy traffic on residential streets that are not classified as major collector or arterial streets.

Except as provided for herein all off-street parking and loading requirements shall be provided for as set forth in article 70 hereof.

51.6.1. Driveways and vehicular access ways, except as necessary to cross a required yard, are not permitted in any required yard. Driveways and vehicular access ways shall be paved and properly drained.

51.6.2. Parking areas shall not be placed in any required yard and shall be paved and properly drained. No parking shall be permitted any place other than paved parking areas.

51.6.3. Loading areas shall not be placed within any front yard or any required side or rear yard and shall be located and properly screened so as not to be visible from any existing or proposed street.

51.6.4. Parking and loading areas shall be landscaped in accordance with section 51.9, landscaping requirements.

51.6.5. Lighting of off-street parking and vehicular use areas is required in accordance with section 71.6, PVA lighting requirements.

Required bicycle parking spaces and facilities shall be provided as set forth in article 76 hereof.

(Ord. No. 99-1020, § 9, 1-13-2000; Ord. No. 05-547, § 4, 8-23-2005; Ord. No. 09-430, § 22, 7-9-2009; Ord. No. 10-507, § 2, 8-26-2010)

Signs shall be permitted in accordance with the provisions of article 72—Sign control regulations.

(Ord. No. 21-46, § 1(Exh. A, § B.2.), 2-25-2021)

51.8.1. Unlimited, except when abutting residential districts; when abutting residential districts, the following regulations shall be applicable: no portion of any building shall project through imaginary height planes leaning inward from any yard other than a front yard, as defined in section 51.3.2, at a slope of .6 foot of height for each foot of horizontal distance measured perpendicularly to the property boundary, except as provided for in section 73.9.1.

51.8.2. Reserved.

(Ord. No. 05-547, § 5, 8-23-2005; Ord. No. 18-536, §§ 2, 3, 8-23-2018)

Every building site on which a building shall be placed shall be landscaped in the following manner. All landscaping must be installed in accordance with the provisions of section 73.19, installation of landscaping.

51.9.1. All yards required under this ordinance shall be landscaped and maintained. A minimum of one tree per 20 linear feet of distance for each boundary line shall be planted in the required yards.

51.9.2. All off-street parking areas shall be screened, as well as practicable, from view from streets by the use of earth berms or landscaping materials.

51.9.3. All off-street parking areas, to include drives within the parking areas, greater than either 20 automobile spaces or 6,000 square feet shall have at least five percent of the interior of the parking area landscaped in planting islands or peninsulas. Width of islands or peninsulas shall be a minimum width of at least five feet between backs of curbs and at least one tree per 20 parking spaces shall be planted within the planting islands or peninsulas in addition to other landscaping materials and plants.

51.10.1. Any landowner of property lying in a research park west district desiring to dedicate any street, road, or right-of-way to the public must submit to the planning commission a plan of the proposed street, road, or right-of-way for approval.

51.10.2. Anyone desiring to secure a building permit for the use of land lying in a research park district must submit to the director of planning a generalized plot plan of the tract to be developed for approval. Such generalized plot plan shall have shown thereon the following information:

(1)

Location map showing the boundaries of the tract to be developed.

(2)

The general location of main buildings proposed to be constructed.

(3)

The general location of parking areas, loading docks, and public and/or private access ways.

(4)

Site grading and storm drainage plan.

(5)

Proposed utilities services.

(6)

Required screening.

(7)

Required and adequate easements.

(8)

Landscaping provisions.

The director of planning shall review and approve by signature the proposed plot plan upon finding that the same complies with these regulations. If the proposed plot plan is not approved, the director of planning shall state in writing on the proposed plot plan the cause for such disapproval. (84-70)

(Ord. No. 17-885, § 3, 12-21-2017)