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parallels the road in Figure 7.6, conveying rainwater or runoff to a cul-
vert located under an entry drive at the far end of the image.
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SHP
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Figure 7.3 Stepped access to lower-level food court and
public space, Los Angeles, CA
Figure 7.4 Natural drainage swale in an Oak-Savannah
region in Portugal
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Figures 7.5-a and 7.5-B Road culvert with contour signature similar to that of the drainage swale in Figure 7.4
A contour study model of a proposed site-grading design based on
a scaled drawing is shown in Figure 7.7-A. The model was constructed
with stacked cardboard, with each level representing a contour, which
makes it easy to see where the contour lines are, as well as the shape
the contours take in creating the undulating landform. Figure 7.7-B
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