In-Pit Reserves

1. Create Reserves data base: File > New > Reserves.dbl

• Edit codes / Layers: OP ReservesDB > Initalize > Edit Codes / Layers

1. Change Code Information to suit project coal / waste
   1. Select Seams
   1. Update Code Info
   1. Validate Layers
   1. OK

• Add Pit / Dump (Reserves Pit not designed pit):  OP ReservesDB > Initalize > Add Pit/Dump
  • Layers File: Select layer file

• Add quality: OP ReservesDB > Initalize > Add Quality Variable
  • Variable
  • Grid Suffix
  • Default – Coal
  • Default – Waste
  • OK

• Build Reserves: OP ReservesDB > Build > Generate Reserves
  • Reserves DB Pit/Dump (Reserves pit)
  • Specify Geometry Pit/Dump (Designed Pit)
  • Structure DD Name (Merge Model)
  • Bench DD name (Bench Grid Folder)
  • Top Grid (Topography layer)
  • Base Grid (Seam floor)
  • Weathering Grid
  • Auto Range
  • OK

• Display: OP ReservesDB > Display > Reserves 3D Display

ROM Reserves

  START WITH IN-PIT RESERVES AND CREATE COPY OF RESERVES.DBL AT EACH STEP AND NAME

1. Join Layers: OP ReservesDB > Edit > Waste Merge Layers
   1. Layer Operation > Join
   1. Merge Waste Settings > Combine Adjacent > Coal
   1. Select: Target Top Layer
   1. OK
   1. Layer Operation > Join
   1. Merge Waste Settings > Combine Adjacent > Coal
   1. OK

• Waste: OP ReservesDB > Edit > Waste Merge Layers
  • Layer Operation > Waste
  • OK

SQL

OP ReservesDB > Initalize > Add Quality Variable

Variable: FLAG

Coal = 1

Waste = 2

OK

Right Click on SQL file (002A) > Edit > Combine SQL (Green Button)

• Run SQL: OP ReservesDB > Edit > Run SQL
  • Select SQL File (SQL 002A)
  • Run SQL: Stratigraphy Down

• Run SQL: OP ReservesDB > Edit > Run SQL
  • Select SQL File (SQL 002B)
  • Run SQL: Stratigraphy Up

• OP ReservesDB > Edit > Waste / Merge Layers
  • Layer Operation = Join
  • Combine Adjacent = Mask Flag
  • Mask Variable = FLAG
  • Mask Value = 1 (Coal)
  • OK

• Waste Coal: OP ReservesDB > Edit > Waste / Merge Layers
  • Layer Operation = Waste
  • Set min mining thickness

• Seam Dilution: OP ReservesDB > Edit > Seam Dilution
  • Set Loss for seams
  • Quality
  • Output
  • Set Dilution for seams
  • Quality
  • Output

• Tidy- up: OP ReservesDB > Edit > Waste / Merge Layers
  • Layer Operation = Tidy Up
  • Resolve Waste/Coal Names
  • Delete Layer if Waste

• Reset Layer Exposure: OP ReservesDB > Edit > Reset Layer Exposures

Reset Layer Exposures

Author: Bang Ferry

GEOLOGIST LIKE COFFIE