PIT DESIGN

CREATE MERGE MODEL (OP Design > Create Merge Model)

1. Create Bench Grids: OP Design > Create Bench Grids
   1. Bench Grid Setup > Base elevation
   1. Bench height
   1. DD name (BENCH)
   1. Limit Top Bench (either number of benches or elevation)
   1. Generate List
   1. OK

• Bench List: OP Design > Bench List
  • Pit crest
  • Grid Directory (BENCH)
  • Fill with Grids
  • Enter Wall slope / berm dimensions
  • Enter Strip Slope / Berm dimensions
  • Save
  • OK

• Pit Design Boundary: OP Design > Pit/dump Design
  • Bench List (Select bench list and load)
  • Design > Boundary > Digitise
  • Bench (base bench)
  • Digitise > Toe
  • OK
  • Select base Polygon > right click > accept
  • Design > Boundary > Automatic
  • Project Up
  • From: Base bench (toe)
  • To: Top bench (crest)
  • OK

• Pit Design Strip
  • Design > Strip > digitise
  • Bench (base), Strip 1, toe, OK
  • Digitise strip inside pit boundary, OK
  • Design > Strip > Offset
  • Bench (base), toe
  • Strip from 1 To: (estimate number of strips required for pit) e.g 42
  • Strip width
  • OK
  • Design > Strip >  Normal Automatic
  • Multiple Strips: From1 – To end stip (e.g 42)
  • Project Up From: Base Bench, toe
  • To: top bench, crest.
  • OK
  • Design > Strip >  First/Last Strip
  • First, Digitise, (digitise inside to outside boundary, right click, accept)
  • OK
  • Last, Digitise (digitise inside to outside boundary, right click, accept)
  • OK
  • Design > Strip >  Strip Ends
  • From – To Bench
  • From – To Strip
  • OK

• Pit Design Blocks

1. Design > Block > Layout Pattern
2. Offset
3. Block Start: 1 End: e.g.15
4. Block Width
5. OK
6. Design > Block > Generate
7. OK
8. Design > Block > Validate
9. Check Output window for errors
10. Design > Block > Display

Author: Bang Ferry

GEOLOGIST LIKE COFFIE