'Along row' and 'Away from row' measurements (laying out a shot with tape measures)

'Along row' and 'Away from row' measurements (laying out a shot with tape measures)

Purpose

The Along and Away AB line measurements enable simpler drill hole location adjustments and provide a way to lay out holes using tape measures in the field.

These two measurements create a 2D coordinate system specific to the blast pattern where hole locations are represented as distances along and away from the start of the AB line (point A). 

Definitions

Along AB line - distance in one dimension defined by the azimuth of the AB line from A to B.

Away AB line - distance in one dimension perpendicular to the azimuth of the AB line looking out over the face.

 

Laying out using tape measures

  1. Ensure you clearly mark your AB line endpoints on the ground so they are visible in your drone model in Strayos
  2. Create your Drill Pattern Design using your marked AB line 
  3. Go to the Exports/Reports tab in the Drilling Design Module and click "Shot Layout Report" and print the pdf 
  4. In the field, lay a tape measure out from the A marker to the B marker of your AB line.
  5. Mark out the start and end points of each row using the table headers on the Shot Layout Report
  6. Mark out each hole using the 'Along row' and 'Away from row' values in the report

 


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