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Paving Applications
Paving City Streets with Cross Slope
76
P-32+ and P-32 Operator’s Manual P/ N: 1001547-01
3. Turn on the Control Boxes, then Survey and Set the displays to read the depth of asphalt to be laid
(Figure 134).
Figure 134: Control Box Displays – Depth of Asphalt
4. Put both Control Boxes in automatic mode and begin paving. Check the depth of mat at centerline and
verify joint matches at lip of gutter. After compaction, make the necessary adjustments at the Control Box.
5. To pave the other side of the road, position the left tracker over the lip of the gutter and place the right
tracker over the new mat (Figure 135).
Figure 135: Paving Other Side of Road
6. Survey both Control Boxes On-Grade and Set the displays to read the depth of asphalt to be laid. Put the
Control Boxes in automatic mode and begin paving. Check to make sure joints match after compaction.
Paving City Streets with Cross Slope
Another option is to pave the street using cross slope and sonic control. The tracker is positioned over the lip
of gutter on one side and cross slope is dialed in for the crown on the other. This method may have to be
modified due to the fact that in many cases, the curbs may be poured at different elevations on either side of
the street. Even though the curb was poured out of tolerance, it may have passed inspection and the asphalt
needs to match the curb and gutter. I f the curbs are at different elevations, it is impossible to pave a typical
design slope on both sides of the street.
If the road width varies, it is easier to keep the Tracker over the gutter if the Tracker is mounted to
the extension on the screed.
Centerline
of Road
Subgrade
Sonic Tracker II
T
Sonic Tracker II
T
Mat DepthMat Depth
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