Download - Parking Lot Present
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DESIGN STANDARDS FORCOMMERCIAL & COMMUNITY
FACILITY PARKING LOTS
06.18.07NYC Department of City Planning
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GOALS
AESTHETICS Mitigate vast expanses of pavement through landscaping
Improve quality of local streetscape
ENVIRONMENTAL Increase tree canopy to reduce Heat Island Effect Increase permeability to mitigate storm water runoff
SAFETY Improve pedestrian & vehicular circulation
Improve design of parking lots while minimizingimpact on commercial & community facility developments
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APPLICABILITY
STREETTREESOpen parking lots containing at least18 spaces or 6,000 sf in area
PERIMETER SCREENINGOpen parking lots containing at least18 spaces or 6,000 sf in area
INTERIOR LANDSCAPINGOpen parking lots containing at least
36 spaces or 12,000 sf in area
MANEUVERABILITY STANDARDS All open parking lots
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STREET TREES & PERIMETER SCREENINGIllustrative sketch
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STREET TREES & PERIMETER SCREENINGPrecedent image
10 Ft. 5 Ft.
20 Ft.on center
Sidewalk
3 Ft.
Street tree
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INTERIOR LANDSCAPINGTrees, shrubs, grasses & groundcover plantingIllustrative sketch
8 Ft. wide planting beds w/
trees: required at both endsof interior parking rows
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LARGE COMMERCIAL PARKING LOT150,000 SF or greater
8 Ft. wide planting
strip: required everyother interior row
8 Ft. wide planting beds
w/ trees: required atboth ends of interior parking rows
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INTERIOR LANDSCAPINGTrees, shrubs & groundcover plantingPrecedent images
Mitigate vast expanses of pavement through landscaping
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STORMWATER RETENTION CELLS (Bioswales)Precedent images
Advantages Natural irrigation better ensures planting remains lush and green Lower plant material replacement costs Most stormwater absorbed on site, less taxation on city sewers Natural filter for oil, heavy metals and other pollutants
Lushness of planting island discourages pedestrian crossing
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STORMWATER RETENTION CELLInterior landscaping
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STORMWATER RETENTION CELL
Interior landscaping
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MANEUVERABILITY STANDARDS
CURB CUT REGULATIONS
1. A curb cut serving one travel lane shall be12 feet in width, excluding splays
2. A curb cut serving two travel lanes shall be24 feet in width, excluding splays
3. Parking lots with 100 or more spaces may have curb cuts of up to 30 feet in width,
excluding splays
4. Where Fire Department regulations set forthin the Administrative Code of New York City require curb cuts of greater width listed above,such curb cuts may be increased to the minimumwidth acceptable to the Fire Department
5. There shall be18 feet distance between curb cuts
6. For zoning lots with 100 ft. or less street frontage,only two curb cuts shall be permitted. For every additional 50 ft. of street frontage one additionalcurb cut shall be permitted
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CASE STUDIES
THRESHOLD FOR PERIMETER SCREENING(6,000 SF typical)
THRESHOLD FOR INTERIOR LANDSCAPING(12,000 SF typical)
MEDIUM SIZE COMMERCIAL PARKING LOT
LARGE COMMUNITY FACILITY PARKING LOT
LARGE COMMERCIAL PARKING LOT
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THRESHOLD FOR PERIMETER SCREENING (6,000 SF TYPICAL)
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THRESHOLD FOR INTERIOR LANDSCAPING (12,000 SF TYPICAL)
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MEDIUM SIZE COMMERCIAL PARKING LOT
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LARGE COMMUNITY FACILITY PARKING LOT
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LARGE COMMERCIAL PARKING LOT- EXISTING
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Average Parking Loss: 2% of total spaces
Average Permeability of Parking Area: 9.85%
Average Tree Canopy Coverage: 16.15%
SUMMARY OF CASE STUDIES