Spectra Precision DG613 Information Guide

6. Attach the Laser to the 1239 Universal Fixed Pole.
7. Sight through the transit at the Laser.
8. Adjust the Laser and the mounting plate until the bullseye target or “+” symbol on the positive
grade button is aligned with the transit’s vertical crosshair.
9. Elevation - Determine the correct elevation for the invert of the proposed pipe.
10. Determine if you wish to set the laser beam on the centerline of the pipe or at a constant
distance above the flow line.
11. Adjust the Laser until you are at the chosen height above the invert.
12. Set an adjustable pipe target (Model 936 or 956) so that the target’s bullseye is at the same
distance above the invert as your laser beam.
13. Place the pipe target in the last section of pipe that has been checked to be at the correct
grade, elevation, and line.
14. Plunge the transit into the open excavation and set a stake on line 20 – 25 feet (6 – 8 m) from
the next manhole.
15. Line - Look through the transit at the next stake; align the laser
to the vertical crosshair of the transit using the Line buttons on
the Laser or the Wireless Remote.
16.Lay Pipe – Set the target in each new section of pipe and adjust
the pipe until the laser intersects the target’s bulls eye while
the target is level.
Transit
crosshairs
No
Yes
No
Laser spot

Spectra Precision DG613 Specifications

General

Brand	Spectra Precision
Model	DG613
Category	Measuring Instruments
Language	English