Add super elevations – Spectra Precision Survey Pro v3.80 Recon iPAQ User Manual User Manual

Page 109

Road Layout

101

Add Super Elevations

19.

Tap the

6XSHU (OHYDWLRQV tab where we will insert a

super elevation at the beginning and end of a curve
for the left and right sides of the road.

20.

With

selected in the

eft column, tap the

$GG« button. This opens the Add Left Super

Elevation screen, which allows you to add a super
elevation to the left side of the road.

21.

We will start the super elevation 100 feet from the
beginning of the road so enter

1+00

in the

Start

Station

field.

22.

The super elevation will be at the final slope after 25
feet so enter

1+25

in the

(QG 6WDWLRQ field.

23.

The start slope must be the same as the slope of the
first segment of the template that leads into the
super elevation, so leave the

Start Slope

field set to

24.

We want the ending slope to be 8% so in the

End

Slope

field, enter

for simplicity, we will not use

parabolic transitions so leave those fields set to 0.

25.

Most super elevations hinge at center so be sure the

Hinge on

field is toggled to

&HQWHU and then tap OK

to continue. This will complete the super elevation for the
beginning of the curve on the left side of the road.