Accessory uses on the same lot with and customarily incidental to a principal use.

Signs: see § 210-126.

See § 210-12.

The following yard and area standards for individual lots within the BTP shall be as measured from the wall of the building or the end of the loading dock, whichever is closer to the property line:

Minimum lot size: 1 1/2 acres.

Minimum lot width: 150 feet.

Minimum front yard setback: 50 feet.

Minimum side yard setback:

Minimum rear yard setback: 50 feet.

Location:

Maximum height: 15 feet.

A minimum of 50% of the front yard area is to be landscaped with lawn or other appropriate planting materials such as trees and shrubs.

Side and rear yards are to be landscaped with grass or the appropriate plantings. Required buffer plantings may be included as required landscaping.

All slopes are to be entirely covered by grass or ground cover.

Landscaping may take the form of grassed areas, low trees, flower beds, mulching materials, boulders or other pre-approved man-made features.

All landscaping shall be maintained by the property owner.

All areas of any business technology park property not covered by buildings or paved shall be planted in grass or other ground cover. Landscaping shall be maintained so that plant maturity occurs within a three-year period.

For every 1,000 square feet of commercial building footprint an additional tree of two-and-one-half-inch caliper shall be provided.

If adequate room for required trees is not feasible an alternative option may be discussed with the Planning Commission and recommendations made to the Board of Supervisors.

All refuse stored outside shall be kept in containers which are totally enclosed and screened from view from streets and adjoining properties.

No burial of waste materials is permitted on site.

No lighting on any special use property shall produce a glare upon adjacent properties. Lighting shall meet the provisions of this chapter.

No noise, as measured along the boundary separating residential or commercial districts or uses from a business technology park, shall exceed 50 decibels, whether or not such noise is intermittent or steady.

No waste material of any kind may be burned in the open air on any business technology property.

In no case shall smoke emitted from any heating or manufacturing process exceed a density equivalent to number two on the Ringelmann type smoke detection chart.

Manufacturing process producing dust and dirt shall be confined within a completely enclosed area.

Dust, dirt, gases, and odors shall be gathered within the building housing the manufacturing process producing such by-products or within equipment designed for collecting or processing such products.

Vibration from any operation within the business technology park shall not be discernible outside the property in which the vibration producing equipment is located.

Construction materials. In the business Technology Park Overlay all exterior walls or buildings are to be finished with face brick, synthetic stucco, including "dryvit," stone and architectural metal. Metal cladding of warehouse type or research structures shall not exceed 60% of the wall surface. Exterior glass and metal enclosure (curtain) walls may be used for office portions of a building. Concrete block or poured concrete wall treatments (when used in an architectural fashion) shall be subject to Planning Commission approval.

Waste disposal. All refuse, if stored outside the building, is to be kept in containers stacked in a neat and safe manner, and shall be removed at least once a week, or as scheduled by the waste disposal company, and is to be totally enclosed and screened from view from streets and from adjoining properties. No burial of waste material is permitted on the site.

Site lighting shall be reduced to zero foot-candle at the perimeter property line.

For new development and/or redevelopment, street trees shall be provided along the entire length of the street right-of-way. Street trees shall be provided on both sides of any street which is within a development. Street trees shall be planted at fifty-foot intervals within 10 to 15 feet of the street right-of-way. Street trees shall be located to enable utility maintenance, required sight distances and visibility of street and traffic signs. Species selection of street trees shall take into account maturity height and width in regards to firetruck and snow removal equipment ingress and egress as well as sidewalk obstructions.

Buildings shall be screened in accordance with § 210-153A(7).

Building height shall be regulated as follows:

Impervious surface ratio. The maximum impervious surface coverage of the buildable area of a lot shall be 80%. Impervious surfaces shall include all principal and accessory structures and paved areas.

The maximum coverage of a lot by all principal and accessory structures shall be 60%.

Regulations of the base zoning district remain applicable to properties within the business and Technology Park Overlay, unless provisions within this section differ from base zoning, in which case provisions of this section supersede corresponding base zoning district regulations.