Topcon Motorgrader - Verifying Grade

Sonic Stringline
P/N 7010-0344
5-11
Verifying Grade
To verify grade, set the Grade Checking Lath on the edge of the
graded area so that the level bubble extends over the Sonic Stringline
shown below.
Figure 5-13.
Tilt the Grade Checking Lath until the level bubble is centered.
Finished Grade is correct when the level just touches the Sonic
Stringline.
STRINGLINE
FINISHED GRADE
APPROX. .05' HIGH
STRINGLINE
FINISHED GRADE
1
.
5
'