Figure 14-3.-A surveying work assignment sheet.
Figure 14-4.-A bench mark sheet.
reduces the data to corresponding horizontal distances
work (or part of it) is assigned to an available field party
and elevations. This data serves as the basis from which
the topographer does the plotting. The rodman must be
trained to recognize and properly occupy the necessary
control points.
LEVELING PARTY.— Two persons, a levelman
and a rodman can run a line of differential levels;
however, the use of two rodmen will speed things up.
For direct readings, the instrumentman keeps the notes;
for target readings (which are, as you know, read by the
rodman), it is usually more feasible to have the rodman
keep the notes.
Work Assignments
When an order to proceed with certain work is
received (usually from the engineering officer), the
on a work assignment sheet. Figure 14-3 shows the
type of information entered on a typical work
assignment sheet.
Abstract Sheets
When field notes have been reduced to the data
sought in the survey, this data is set down in an abstract
sheet. Typical abstract sheets are bench mark sheets,
control point sheets, traverse sheets, and base line
sheets.
Part of a bench mark sheet is shown in figure 14-4.
As you can see, the number, location, elevation and type
of each bench mark in a designated area is given. A
control point sheet is similar, except that it gives the
horizontal locations of horizontal control points, as
14-9
