sustainable site analysis - drexel university › ~nallsre › jfk site analysis lecture.pdf ·...
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Sustainable Site Analysis
Principles of sustainable sites
1. Reduce negative impact of buildingson the natural environment
• Minimize earth disturbance• Retain green cover• Minimize light pollution• Minimize impervious coverage
Principles of sustainable sites2. Reduce energy consumption through
building orientation
• Natural ventilationShielding from winter windsPromoting cross ventilation
• Passive solar heating• Shade cooling• Daylighting
What do we analyze?
• Natural features• Climate• Man-made features• Sensory observations• Land use regulations
Natural features
• Vegetation• Slopes• Wetlands• Soils• Bodies of water• Surface drainage
Climate
• Sun angles• Wind• Temperature and precipitation
over time
Man-Made Features
• Vehicular & pedestrian circulation
• Buildings & landscape features
• Site utilities
Sensory observations
• Views• Noise• Smells
Land use regulations
• Flood plains• Zoning• Brownfields
How do we do it?
Natural features: vegetation
• Grasses• Shrubs• Forest
Natural features: slope analysis, surface drainage• < 25% • 15% - 25%• > 25%
Natural features: wetlands
Natural features: soils
Natural features: soils
Climate: sun angles
http://www.gaisma.com/en/location/philadelphia-pennsylvania.html
http://www.aecbytes.com/feature/2007/Ecotect.html
Climate: wind
http://climate.met.psu.edu/features/PA_WIND_ROSES/windrose.php
Climate: wind
http://www.crh.noaa.gov/sgf/?n=aviation_forecasts
Climate: temp & precipitation
http://www.noaa.gov/http://www.usclimatedata.com/climate.php?location=USPA1276http://www.climatetemp.info/usa/philadelphia-pennsylvania.html
Man-made features
• Vehicular and pedestrian circulation
• Buildings and landscape features• Site utilities
Sensory observations: views, noise, smellsUse graphics that describe intensity
Land use regulations: floodplains
www.fema.gov
Land use regulations: zoning
Land use regulations: brownfields
http://www.epa.gov/reg3hwmd/super/pa.htm
Diagramming
• Site photos• Legend• Scale• Graphic
representation• Composite plan
method
Examples
Examples
Examples
Examples
Conclusions
• Select sites with least impact on natural environment
• Select sites with greatest opportunities for passive heating and cooling
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