4.26.4 DETERMINATION OF REQUIREMENTS UNLESS MODIFIED BY THE ZONING ADMINISTRATOR
1. Residential Subdivisions
a.   Arterial/collector street Trees
As a component of plat approval, residential subdivisions in the Town shall be required one (1) shade tree a minimum of every thirty (30) linear feet on center, within the public arterial/collector.
b.   Arterial/collector street Design
Arterial and collector streets shall have a minimum six (6) foot wide sidewalk, separated from the roadway by a landscaped parkway of at least eight (8) feet.
c.   Local Street Design
Local streets shall have a minimum four (4) foot wide sidewalk, separated from the roadway by a landscaped parkway of at least six (6) feet.
d.   Preservation/Salvation Credit
Where there exists native vegetation, the property owner may substitute existing trees for required trees, subject to the Alternative Compliance provisions of this Section.
2.   Multiple-family, Office, Commercial and Industrial Districts
All lots improved with multi- family residential, office, commercial and industrial development shall be required to provide landscaping as set forth herein. (See paragraph 4. c. for a reduction to this requirement).
a.   Front yard Landscaping. A ten (10) foot wide landscape strip is required along the properties street frontage. For properties adjacent to SR 89, a twenty (20) foot wide landscape strip is required along the property’s street frontage.
b.   Side and rear yard landscaping: when adjacent to zoning other than multi - single family residential zoning, a five (5) foot wide landscape strip is required along the property’s street frontage.
c.   Corner Lot: Corner lots shall be required to provide front yard landscaping on all sides fronting on a public street or highway.
d.   Refuse Disposal Areas: Refuse disposal areas shall be screened on all sides, including a solid gate for access, by a privacy fence, wall, or equivalent material with a minimum height of six (6) feet and not greater than seven (7) feet. The finished face of the fence shall face away from the refuse disposal area.
e.   Mechanical Equipment: All roof top and ground level mechanical equipment and utilities shall be fully screened from view of the centerline of any street or the nearest boundary of a single- or two- family residence district as seen from a height six (6) feet above the finished floor level of the building it services.
3.   Buffer yards (Side and Rear yard Landscaping When adjacent to Single family Residential “SR” Zoning)
a.   Buffer yard Required
Whenever a side or rear yard in any non-single-family residential, commercial , or industrial zones abuts, or in the absence of an alley would abut any single family residential district, a buffer yard shall be required.
b.   Depth of yard.
The buffer yard shall be ten (10) percent of the lot width or depth, whichever is applicable, provided that no buffer yard shall be less than ten (10) feet in width, and no buffer yard shall be required to be more than twenty (20) feet in width. For property located on a corner lot where both the rear lot line and the interior side lot line abut property in the single-family residential districts, the buffer yard depth for both required buffer yards may be determined by the lesser dimension of the lot width or lot depth.
4.   Minimum Landscaping Pattern. The minimum landscaping pattern shall include the following frequency:
a.   One (1) tree per twenty (20) linear feet.
b.   Four (4) shrubs per 400 square feet of required landscaped area. Clustering of trees and shrubs is encouraged.
c.   Berm. Where a semi-continuous berm measuring a minimum of three (3) feet and a maximum of four (4) feet in vertical height and not having a slope greater than 3:1 on either side is provided, required buffer yard landscaping requirements may be reduced by twenty (20) percent. Slopes may be increased above 3:1 where retaining walls are used, subject to approval under the Alternative Compliance provisions of this section. No individual section of the berm may measure more than forty (40) feet in length. The berm should be integrated into the overall landscaping plan, including landscaping on the berm where practical.
d.   Prohibited Use. All driveways, refuse containers, storage areas, aisle ways, vehicular maneuvering areas, mechanical equipment and structures are prohibited within the required buffer yard. A sidewalk or paved trail may be located within a buffer yard when used as a connection to other pedestrian and/or recreational corridors. A concrete PAD for emergency exits from a building shall be permitted in the buffer yard provided that the Building Code requires it.
e.   Utility Areas. All on-site utility areas located within twenty-five (25) feet of a required buffer yard shall be screened by a fence, wall, berm, evergreen planting or combination thereof such that a substantially solid visual barrier of six (6) feet in height is attained. fences or walls, when provided, must be located between the activity area and the buffer yard. Utility areas shall include refuse containers/dumpsters; storage; display of materials or merchandise; loading or unloading goods, production assembly, processing or demolition of goods. Plantings provided to screen utility areas shall not count toward required landscaping.
5.   Parking lot landscaping perimeter requirements, unless modified by the Zoning Administrator. Parking lots in all zoning districts are subject to the following requirements. The landscape width may be reduced provided the minimum width requirement, when averaged, is maintained overall. One (1) tree per twenty (20) linear feet and four (4) shrubs per four hundred (400) square feet of required landscaped area. Clustering of trees and shrubs is encouraged.
a.   State Route 89 street frontage shall be landscaped with a minimum width of twenty (20) feet.
b.   All other street frontages shall be landscaped with a minimum width of ten (10) feet.
c.   Other parking perimeters all other lot lines adjacent to parking areas shall be landscaped with a five (5) foot wide landscape strip.
d.   Islands. Where internal landscaping of the parking lot is required, there shall be a minimum of one (1) curbed island provided for each fifteen (15) parking stalls in each row. The minimum area for planting all types of trees within parking lots shall not be less than one hundred eighty (180) square feet. Shade trees and intermediate trees shall not be planted in any area with a width of less than ten (10) feet. Shrubs shall not be planted in an area of less than two (2) feet in width. Measurements of width and area shall be from the inside edge of the curb(s). A minimum of fifty (50) percent of every landscape island shall be planted with live plant material, such as shrubs, or ground cover.
e.   Curb materials. Parking lot islands and medians shall be curbed with concrete or a functionally equivalent material that must be approved by the Zoning Administrator. The following materials are not considered functionally equivalent to concrete curbs and are therefore unacceptable for use as curbs: asphalt, landscape timbers, railroad ties, wood or lumber, and concrete wheel stops.
(Ord. 06-678, passed 11-9-2006; Ord. 10-729, passed 7-22-2010)