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Over the Top
89
1.
Set the grade. Enter the required grade for
the pipe to be laid in the display of the Piper.
2.
Set the elevation. Lower the pre-assembled
Drop Manhole Assembly and Piper into the
manhole until the T-bar is approximately 150
to 300 mm (6 to 12 inches) above or below
the pipe. Ensure that the T-bar is level and
perpendicular to the pipe. Tighten the wing
nut on the T-bar to secure it in the manhole.
Move the Piper up or down on the adjustable
pole until the beam is approximately at the
required elevation.
3.
Set the line. Adjust the beam so that it is in line with the next man-
hole.
☞
The Over-the-Top Mount Assembly consists of a Scope and a mount-
ing bracket for attaching the Piper to a tripod.
Standard Setup Procedures
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