Sec. 18-434 and 18-435

Other

• Access driveways shall cross street yardYardThe open space left between a building and its lot line — the space a setback creates. near 90 degrees90 deg

  Access driveways shall cross the street yard as near to a 90-degree angle as practical

• Minimum combined heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of berm and shrubs in 3 years3 ft

  berms and shrubs must achieve a minimum combined height of three (3) feet in three (3) years

• Maximum side slope ratio of berm3 ratio

  side slopes no greater than 3:1 ratio

• Minimum crown width of berm2 ft

  minimum crown width of two (2) feet

• Minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of berm1.5 ft

  Berms may be installed within the area between parking lots and rights-of way with a minimum height of 1.5 feet

• Existing trees may satisfy street yardYardThe open space left between a building and its lot line — the space a setback creates. requirements

  Existing trees may be used to satisfy the requirements for street yard planting

• Required heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of screening for loading/service areas6 ft

  screened from adjacent properties and streets by evergreen plant materials which will reach a height of six (6) feet or greater within three (3) years of installation or by opaque walls or fences at least six (6) feet in height

• Minimum area per canopy tree in median/island300 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  must contain at least 300 square feet for each canopy tree or two (2) small substitute trees

• Minimum width of planting medians and islands7 ft

  All planting medians and islands in parking lots shall be at least seven (7) feet wide, measured from the back of each curb

• Maximum spacing of trees in medians50 ft

  trees planted in the medians are spaced no more than fifty (50) feet on center

• Minimum landscaped area as percentage of paved area8 pct

  All parking lots shall provide landscaped areas equivalent to at least eight (8) percent of the paved area of the parking lot.

• Distance from street or adjacent property requiring screening20 ft

  All parking lots within twenty (20) feet of a street or adjacent property will be screened

• Required heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of evergreen screening for parking lots3 ft

  evergreen plantings that will attain a height of at least three (3) feet within three (3) years

• Maximum spacing of evergreen screening plants6 ft

  planted no more than six (6) lineal feet apart

• Maximum distance from parking spaces to tree trunk when medians used70 ft

  the distance of parking spaces from the trunk of a canopy tree or two (2) small substitute trees may be increased to seventy (70) feet

• Minimum caliper of tree at installation1.75 in

  1.75 to two (2) inches in caliper one (1) foot above grade

• Minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of tree at installation8 ft

  at least eight (8) feet in height

• Linear feet of parking structure per canopy tree25 ft

  one (1) deciduous or evergreen canopy tree ... for every twenty-five (25) linear feet of the structure

• Minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of opaque fence/wall for parking lot screening6 ft

  Opaque fences or walls, at least six (6) feet in height

• Maximum percentage of required shrubs that can be substituted by fence/wall50 pct

  may be substituted for a maximum of fifty (50) percent of the required shrubs

• Minimum area of street yardYardThe open space left between a building and its lot line — the space a setback creates.

  The minimum area of the street yard in square feet shall be equal to the length of the property along the public right-of-way in linear feet times ten (10).

• Maximum percentage of evergreen trees in street yardYardThe open space left between a building and its lot line — the space a setback creates.25 pct

  No more than twenty-five (25) percent of the required trees shall be evergreen.

• Maximum width counted in street yardYardThe open space left between a building and its lot line — the space a setback creates. area calculation20 ft

  Street yards in excess of twenty (20) feet in width shall not be calculated

• Minimum width of street yardYardThe open space left between a building and its lot line — the space a setback creates. at any point6 ft

  no less than six (6) feet in width at any point

• Minimum average width of street yardYardThe open space left between a building and its lot line — the space a setback creates.10 ft

  provide a street yard that averages at least ten (10) feet in width

• Minimum mature heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of street yardYardThe open space left between a building and its lot line — the space a setback creates. trees35 ft

  will achieve a minimum height of thirty-five (35) feet at maturity

• Minimum caliper of street yardYardThe open space left between a building and its lot line — the space a setback creates. trees1.75 in

  Trees shall be a minimum of 1.75 to two (2) inches in caliper

• Minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of street yardYardThe open space left between a building and its lot line — the space a setback creates. trees at installation8 ft

  a minimum of eight (8) feet in height at installation

• Minimum spacing between trees10 ft

  no trees shall be installed closer than ten (10) feet on center

• Linear feet of street yardYardThe open space left between a building and its lot line — the space a setback creates. per canopy tree50 ft

  Street yards shall contain at least one (1) canopy tree for each fifty (50) linear feet of street yard

• Distance from public right-of-way requiring screening of utility devices20 ft

  Any utility service area or utility device located within twenty (20) feet of a public right-of-way and more than thirty-six (36) inches in height shall be screened

• Minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of evergreen screening for utility areas1.5 ft

  Screening shall be by evergreen plantings a minimum of eighteen (18) inches in height when installed

• Linear feet of street frontageFrontageThe length of a lot line that touches a public street. per evergreen shrub6 ft

  one (1) evergreen shrub for every six (6) lineal feet of street frontage

• Linear feet of street frontageFrontageThe length of a lot line that touches a public street. per canopy tree50 ft

  one (1) canopy tree ... per fifty (50) linear feet

• Zoning administrator may modify requirements under certain circumstances

  The zoning administrator shall interpret the requirements of this article and may allow modification of the requirements for buffer areas, vehicular use areas, and street yard