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4
4.1
Description
Grades
Grades
Overview
The Grades application is used:
•
to mark gradelines along the side walls of the mines or tunnels.
•
to input the slope gradient and an offset concerning the grade point.
•
to compute the stake out height difference.
•
to map the positions of the grade points along the gradelines.
P0
P1
P3a P4a
a
H
TSOX_Mining_005
P0
P2
P1
P2
P5a P6a
dH
a
H
P3a - P6a
dHD
P5b P6b
P3b - P6b
P3b P4b
dHD
H
dH
Station
Backsight point
Foresight point
New gradeline
Measured points
New gradeline points
Horizontal distance along the
foresight line
Current height of gradeline
above mine floor
Height difference to new
gradeline
FlexLine/FlexLine plus, 23
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