Spectra Precision DG613, Information Manual

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2. Set an adjustable pipe target (Model 936 or 956) so that the
target’s bulls eye is at the same distance above the pipe as your
laser beam.
3. Place the pipe target on top of the last section of pipe that has
been checked to be at the correct grade, elevation, and line.
4. Adjust the pipe target until it’s level vial reads the target is level.
5. Align the laser to the target’s bulls eye using the line buttons on
the Laser or the Wireless Remote.
6. Lay Pipe – Set the target on top of each new section of pipe and
adjust the pipe until the laser intersects the target’s bulls eye
while the target is level.
Open Excavations
1. Set a transit over the first point on the proposed pipeline behind
the manhole where the pipe run starts.
2. Align the transit to the next manhole and lock the transit on line.
3. Plunge the transit into the open excavation where the manhole
will be placed.
4. Set the Mounting Plate and the 1239 Universal Fixed Pole on
stable sub-base material in the open excavation and on line.
5. Grade - Enter grade into the Laser.
Level vial
Undisturbed pipe
set at correct grade
elevation & line
Next manhole