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Roads - General
Height limits below the design surface are entered as negative values. For
example, the Lower height limit with -10 mm in the previous diagram. Using
the signs of the height limits, it is also possible to cover situations like the one
shown in the following diagram, with a valid range between -10 to -50 mm
below the design surface.
a
b
c
Road_088
Description of fields
Field
Option
Check dif-
Check box
ferences
before stor-
ing
Differences
to check
Chainage,
offset &
height
Chainage &
offset
Position &
height
Position
Height
Profile
Chainage
From 0.001
limit
to 100
Offset limit
From 0.001
to 100
Position
From 0.001
limit
to 100
Upper
From -100 to
height limit
+100
Lower
From -100 to
height limit
+100
Profile tol-
From 0.001
erance
to 100
a
Design surface
b
Upper height limit
c
Lower height limit
Description
When this box is checked, a position check is
done when storing a staked or checked
point. When the defined tolerance is excee-
ded, the stake out/check can be repeated,
skipped or stored.
When this box is not checked, no quality
check is done during stake out/check of
points.
☞
Depending on this selection the
following lines are enabled/disa-
bled.
Check for chainage, horizontal offset and
height.
Check for chainage and horizontal offset.
Check for 2D position and height.
Check for 2D position.
Check for height.
Available for Tunnel. Check for distance from
design profile.
Maximum difference in chainage.
Maximum horizontal offset from defined
position.
Maximum radial horizontal distance.
Maximum height difference.
Maximum height difference.
Available for Tunnel. Permitted distance from
design profile.
629
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