Interstitial Space: Dimensions and Shadows

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Arch 125 Intro to Environmental
Design Interstitial Space Dimensions and Shadows
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Solar Access
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Solar Access
This orientation can be good for various climates
-- but its success is a function of the spacing
between the buildings and the building height. A
north-south canyon can be better or worse than an
east-west street orientation, if the east west
street is too narrow.
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Solar Access
When working with street layouts that have a
dominant north-south street orientation, during
the morning and afternoon hours, particularly in
the winter months, the street level and lower
levels of opposing buildings are often in the
shade. This is only alleviated by making very
wide streets.
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Solar Access
North-south canyon effect at Bain Avenue Coop,
Toronto
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Solar Access
Better solar access is possible with east-west
street sections as the south face of the building
will get sun for most of the day. Street spacing
is adjusted so that the buildings do not block
each others south light when the angles are
lowest in the winter (for good design).
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Solar Access
For more complicated sections, the building
height and section is adjusted to allow south
light to penetrate into various exposures of the
building -- in this case through courtyards and
clerestory windows.
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Solar Access
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Solar Access
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Solar Access
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YVR summer solstice noon
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YVR summer solstice 3pm
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YVR summer solstice 6 pm
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YVR winter solstice noon
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YVR winter solstice 3 pm
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YVR spring/fall equinox noon
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YVR spring/fall equinox 3 pm
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YVR spring/fall equinox 6 pm
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North wall - no shading
Summer shading
North wall - no shading
Summer shading
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Exterior shading devices (horizontal fins) are
proposed for the south side of the terminal wall
to cut down on solar gain in the highly glazed
space during the summer months. Solar gain is
still permitted during the winter.