7.7.9 Stake out Roads
To stake out alignment, the alignment type should be defined first. 2 methods of defining horizontal
alignment are available: installing in the computer via the data communication software provided by
Sanding Optic-Electric Equipment Co., Ltd; or inputting manually in program “Road”.
The vertical alignment data is unnecessarily to be defined, unless it is required to compute dig and fill. The
method to define is similar to that of horizontal alignment.
Rules of alignment stake-out data:
Offset left: Horizontal distance between the left chainage and central line.
right: Horizontal distance between the right chainage and central line.
Vertical Difference Left (right): vertical difference between left (right) chainage and the central line point.
In the process of stake-out, user should first stake out points on the central line, then the featured points on
both sides.
The method to stake out alignment is similar to that of point stake-out, with 3 methods available:
Take points on the central line for example.
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