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Leica Viva Series Technical Reference Manual - PRISM-Surveying ...

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For Method to use: Stake face<br />

Field Option Description<br />

Drilling rig<br />

orientation<br />

Check box Available for Method to use: Stake face.<br />

This functionality helps to orientate the drilling rig<br />

when drilling holes parallel to the tunnel axis direction.<br />

The entry point at the tunnel face is marked and<br />

delta angles to align the drilling rig are provided.<br />

The following fields are available when Drilling rig orientation: Parallel to alignment is<br />

selected in Tunnel Configuration, Tunnel design page:<br />

Drilling<br />

distance<br />

Check Jumbo<br />

position<br />

Editable field The bore hole length. Available when Drilling rig<br />

orientation is checked and used to calculate the<br />

direction parallel to the alignment.<br />

Check box When this box is checked, the jumbo position is<br />

checked after measuring to the back of the boom.<br />

Boom length Editable field The length of the boom is used for calculating and<br />

checking the jumbo position when Check Jumbo<br />

position is checked.<br />

Tolerance Editable field Defines how accurately the boom must be positioned<br />

to calculate the delta angles (max 10% of boom<br />

length). Available when Check Jumbo position is<br />

checked.<br />

The following fields are available when Drilling rig orientation: Drill Pattern is selected in<br />

Tunnel Configuration, Tunnel design page:<br />

<strong>Viva</strong> <strong>Series</strong>, Roads - Tunnel 1514

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