50
Standard Set-up Procedures
4.5
Manhole
•
Set the grade.
Enter the required grade
for the pipe to be laid in the display of the
Piper.
•
Set the elevation.
Place the Piper in the
manhole. Move the Piper up or down on
the (optional) trivet until the required
height is set. (Choose the most conven-
ient method for determining the cut-to-
invert distance.)
•
Set the line.
Locate the line for the laser beam.
a) Locate Point A. Place a transit over the center of the manhole.
b) Locate Point B. Look through the transit and lock it on-line with the next manhole
point.
c)
Locate Point C. Hang a plumb bob from the transit. Move the Piper until the tip
of the plumb bob is directly over the pivot point on the top of the Piper.
d) Locate Point D. Tilt the transit down and use it to align a new stake approximately
five meters (15 feet) in front of the Piper. Look throught the transit and move
the beam using the LEFT and RIGHT buttons on the Remote until the beam hits
the stake and intersects the transit’s crosshairs.
B
D
C
A
Содержание PIPER 100
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