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8/23/2020
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Performing a Proper Site AnalysisBetter yet consider:• Site• Climate• Program
A passively heated, cooled, and lighted building fights global warming.
Why isn’t this good enough?
Good enough?
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Consider Climate
Temperature range plots
Monthly Average Hourly Temperature vs. Relative Humidity
Plot:Monthly Average High/Low Dry Bulb Temperature vs. Relative Humidity on the Bioclimatic Chart.
Links climate to design strategies!
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Look at it several ways
Consider Hourly Data as Well
Find out which way the wind blows…
During the whole year…
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And for selected months
June here
Where would windows go for max cross-ventilation?
Later you can draw wind flows on your site.
To show effects of vegetation, topography, & buildings.
Moscow’s East City Park
Consider Site
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The Plan is not the site!
3rd Street entry, looking NE
You can use CoveTool or Sketch-Up to do shading studies
Or On Site:
Plot solar obstructions
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On the appropriate sun chart for your assigned city.
Explore the site.
Look for microclimates.Your body is a sensor!
Off SiteConstruct a sun peg for your site’s latitudeAnd a physical site model
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Make sure there is a flat place on the site model for your sun peg if you intend to manipulate the model by hand…
…or, use the heliodon tilt table with your site model and sun peg.
Record the seasonal sun/shade patterns on the site at important times of day.
Here 9am, noon, & 3pm in Jan. and Jul.
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March vs June
Create seasonal wind roses for the site
September vs December
September 9-5 vs September all day
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Plot the seasonal wind flow on the site.
Combine and score the effects of sun and wind with hatch pattern or color code.
January
July
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Consider Program
Now you’re ready to start designing the properly sited building
John Hope Gateway, RBGE by Cullinan Studio
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