offset hubs. A guard stake adjacent to one of these
This information is often recorded on a construction
hubs usually gives the station and elevation of the hub,
sheet (familiarly known as a cut sheet) like the one
grade for the structure at this station, and the vertical
shown in figure 10-24. One advantage of the use of cut
distance between the top of the hub and grade, marked
sheets that the information applying to every hub is
C or F.
preserved in the event that guard stakes are accidentally
Figure 10-23.—Handhole.
Figure 10-24.—Typical construction sheet.
10-23
