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Chapter 21 Building Sections
2. Select an appropriate layer for the footing
and foundation wall or, depending on the
CADD software you are using, copy the
fl oor plan and foundation plan into a new
drawing. Draw the footing and foundation
wall. Locate and draw the basement slab,
if any. Position and draw the grade line on
the appropriate layer.
techniques, because everything is drawn
to its true size in CADD. You must know
the specifi c dimensions and construction
procedures to be used before you can draw
a building section.
Figure 21-13. Add details and material symbols.
Figure 21-14. The fi nished building section.