Drawing
Problems
-
Chapter
12
386
AutoCAD and Its Applications—Basics
17. The structural sketch shown is a steel column arrangement on a concrete floor
slab for a new building. The I-shaped symbols represent the steel columns. The
columns are arranged in “bay lines” and “column lines.” The column lines are
numbered 1, 2, and 3. The bay lines are labeled A through G. The width of a bay is
24′-0″. ′ Line balloons, or tags, identify the bay and column lines. Draw the arrange- ″
ment using
ARRAYRECT
for the steel column symbols and the tags. The following
guidelines will help:
A. Begin a new drawing using an architectural template.
B. Select architectural units and set up the drawing to print on a 36 × 24 sheet
size. Determine the scale required for the floor plan to fit on this sheet size and
specify the drawing limits accordingly.
C. Draw the steel column symbol to the dimensions given.
D. Set the grid spacing at 2′-0″ ′ (24″). ″
E. Set the snap spacing at 12″.
F. Draw all other objects.
G. Place text inside the balloon tags. Set the running object snap mode to
Center
and justify the text to Middle. Make the text height 6″. 6 6
H. Save the drawing as P12-17.7
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