SURVEYING AND MAPPING OF OPEN PIT MINES
Surveys of open pit mines combine characteristics of engineering and topographic surveys. The surveyor provides guidance for miners to develop mining operations according to the earlier-established mine plan, then surveys the progress of mining and develops maps and models representing its current state. The maps and models are used for calculating the volumes and tonnages mined and for reconciling mining progress with the mine plan. Surveying of open pits usually involves the following activities:
a. establishment of a mine survey control network;
b. detailed topographic surveying of open pit and waste dumps;
c. data processing to calculate mined volumes and tonnages;
d. stability control surveys of open-pit and waste dump slopes;
e. support surveys for earthmoving-machine control systems.
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