Graphics Programs Reference
In-Depth Information
labeling Design Surfaces
As you have done with every other type of design in this topic, you need to anno-
tate your surface design. Like all annotation, the information you convey here is
almost as important as the design itself, particularly with regard to grading.
From a strictly documentation standpoint, the primary final product of a grading
design is a set of design contours. By themselves, the contours aren't very useful
for construction. Once they are labeled, however, they begin to show the contractor
exactly how to shape the land to meet its desired function. In some areas, contours
alone don't provide enough detail and must be supplemented with labels that call
out specific elevations and slopes. Labels that refer to the elevation of a single point
on a drawing are often referred to as
spot elevations
or
spot grades
.
Although it was some time ago, you learned how to create contour, spot, and
slope labels in Chapter 4. You'll apply those skills once again, but this time you'll
label proposed elevations rather than existing elevations.
Certification
Objective
If you haven't already
done so, download
and install the files for
Chapter 18 according to
the instructions in the
Introduction.
Exercise 18.6: label a Design Surface
▶
In this exercise, you'll create contour, spot elevation, and slope labels for lot 2.
You'll use these labels to adjust the design of lot 2.
▶
1.
Open the drawing named
Labeling Design Surfaces.dwg
located in
the
Chapter 18
class data folder.
The upper-right view-
port is zoomed in to
the first few lots at the
beginning of Jordan
Court. You'll add labels
in this area to provide
information about con-
tour elevations, slopes,
and spot elevations.
2.
Click the Annotate tab of the ribbon, and then click Add Labels.
3.
In the Add Labels dialog box, do the following:
a.
For Feature, select Surface.
b.
For Label Type, select Contour - Multiple.
c.
Click Add.
4.
When you're prompted to select a surface, click one of the red or blue
contours in the drawing.
5.
When prompted to specify the first point, pick two points that draw a
line through the contours in the front yard of lot 2 (see Figure 18.11).
6.
In the Add Labels dialog box, change Label Type to Contour - Single.
Click Add.
7.
When you're prompted to select a surface, click one of the red or blue
contours in the drawing.
8.
Click several contours on the Jordan Court road surface.
