Underground Mine Design

Copyright 2011Gemcom Software International Inc. (Gemcom). This software software and documentation docum entation is proprietary to Gemcom Gemcom and, except except where expressly provided otherwise otherwise,, does not form form part of any contract. contract. Changes may be made in products or services services at at any time without without notice. Gemcom Gemcom publishes publishes this documentation documentation for for the sole use of Gemcom Gemcom license licensees. es. Without Without written written permission permission you may not sell, sell, reproduce, reproduce, store in a retrie retrieval val system, or transmit any part of the documentat documentation. ion. For such permissi permission, on, or to obtain extra extra copies copies please please contact contact your local local Gemcom Gemcom office office or visit www.ge www.gemcomsoftw mcomsoftware are.com. .com. While While every every precauti precaution on has been been taken in in the preparation preparation of this manual, manual, we assume no responsibili responsibility ty for errors errors or omissions. Nei Neither ther is any liabil liability ity assumed for for damage resulting resulting from from the use of the information information contained contained herein. herein. Gemcom Gemcom Software Software International International Inc. Gemcom, the Gemcom Gemcom logo, combinations thereof, thereof, and Whittle, Whittle, Surpac, GEMS, Minex, Minex, Gemcom Gemcom InSite and PCBC are trademarks trademarks of Gemcom Gemcom Software Software International International Inc. or its wholly-ow wholly-owned ned subsidiaries. subsidiaries. Contributors Rowdy Bristol Phil Jackson Jackson John Hylton-Davies

Product Gemcom Gemcom Surpac Surpac 6.2

Table of Contents Introduction

4

Overview

4

Requirements

4

Workflow

5

Underground Design Concepts

6

Terminology

6

Underground Mine Design Concepts

6

Set Up For This Tutorial Setting the Work Directory

7 7

Task: Set the Work Directory (Windows X P)

7

Task: Set the Work Directory (Windows Vista)

8

Creat Creating a Centreline Design

9

Task: View the Data

9

Task: Cr Create eate a Centreline Between Ore Zones

10

Tas Task: Create Access Drives to the Ore Zones

14

Task: Crea Create the Main Decline

19

Cre Creati ating Road Out Outlines

30

Task: Task: Create Create a Road Outlin Outline e of Fixed Width

30

Task: Create a Road Outline of Variable Width

32

Creating a Sol Solid

36

Task Task: View View Profiles Profiles

36

Task Task: Cre Create ate a Sol Solid Using Triangulate Ce Centreline an and Profile

40

Task: Calc Calculate Volume of Underground Design

44

Introduction

Introduction Overview There There are many types of designs designs employed employed in in underground underground mining. Although Although there there are numerous requireme requirements nts for for each each design, design, Surpac can assist assist you to to create create practical practically ly any any type of mine design.

Requirements Prior to proceeding proceeding with with this tutorial, you will will need: need: l

Surpac Surpac 6.1 instal installe led, d, and

l

The dataset accompanying accompanying this tutorial tutorial,, and

l

A basic knowledge knowledge of Surpac string file filess and and editi editing ng tools tools as covered covered in the Introduction to Surpac manual. manual.

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Introduction

Workflow

This workfl workflow ow demonstrates demonstrates the steps in in this tutorial. tutorial. There There are other ways to achieve achieve a Note: This result.

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Underground Desi Design gn Concep Concepts ts

Underground Undergroun d Design Con Concepts cepts Terminology l

l l

Centre Centreli line ne – a line line which which repre represent sentss the centre centre of a drive. drive. The centre centreli line ne can be used used to to create create solid solid models, models, or outlines outlines for for plan view view plots. Drive Drive – a tunnel, tunnel, or or opening opening in rock, rock, also also known known as a drif drift, or crosscut crosscut Stope – a 3-dim 3-dimensi ensional onal area area (usual (usually ly ore) ore) whic which h is to to be mined mined out by blasti blasting ng a serie seriess of long holes holes or ring design holes

Underground Mine Design Concepts There There are many diffe different rent scenarios scenarios where where underground mine mine designs designs are to be created. created. In this tutorial, tutorial, you will will use: l l l

3D solid models of designed designed stopes. strings represe representing nting ore ore outlines outlines at each each level level where where a design is to be created. created. a point repr represe esenti nting ng the locati location on on the surface surface whic which h is an entra entrance nce to the underunderground m ine. ine.

You will will open file filess containing this data into graphics, graphics, and then use various editing editing and point creation creation tools tools to crea create te the undergr underground ound mine design. design.

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Set Up Up Fo For T his T utor ial

T ask: Se Set the Wo Wor k D ir ector y ( Windows XP)

Set Up For This Tutorial Tutorial Setting the Work Directory Task: Set the Work Directory (Windows XP) 1. In the the Navigator, right-click the underground_mine_design folder. 2. From the popup menu, menu, sele select ct Set as work directory.

The name of the work direc directory tory is displa displayed yed in the title title bar of the Surpac Surpac window window..

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Set Up Up Fo For T his T utor ial

T ask: Se Set th the Wo Wor k D ir ector y ( Windows Vista)

Task: Set the Work Directory (Windows Vista) 1. In the the Navigator, right-click the underground_mine_design folder. 2. From the popup menu, menu, sele select ct Set as work directory.

The name of the work direc directory tory is displa displayed yed in the title title bar of the Surpac Surpac window window..

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C r eating a Centr eline Design

T ask: View the Data

Creating a Centreline Design Task: View View the Data 1. Open Open stopes1.dtm. This file file represe represents nts two two paralle parallell ore zones. 2. Open Open ugdes_final1.dtm

3. Clic Click k the the eye eye icon icon in in the the Laye Layers rs pane pane for the laye layerr stopes.dtm to hide the stope stopes. s.

4. Choos Choose e View > Surface view options > Hide triangle faces to hide hide the drives drives.. numbers. 5. Choos Choose e Display > Strings > With string numbers 6. Enter Enter the information information as shown, and then then click click Apply.

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C r eating a Ce Centr eline De Design

T ask: Cr Cr eate a Ce Centr eline Be Between Or Or e Zo Z ones

Strings 10 and 11 11 represent represent the centrel centreline ine string numbers in the the final final design. design. The centrel centreline ine string is is displayed. displayed.

Task: Create a Centreline Between Ore Zones 1. Click the Reset graphics icon . 2. Open Open lev215.str. 3. Open Open stopes1.str. 4. Spin Spin the data data around around to to get get an ide idea a of how the strin strings gs are are formed ormed in in 3D space space.. numbers to display all strings with 5. Choos Choose e Display > Strings > With string numbers with numbers. 6. Choos Choose e Inquire > Point properties, and click several different different segments. Note: The string string numbers numbers corresp correspond ond with with the Z value of the strings. strings. 7. Choos Choose e Display > Hide everything . numbers. 8. Choos Choose e Display > Strings > With string numbers 9. Enter Enter the information information as shown, and then then click click Apply.

10. Set Set main graphics layer as the curre current nt layer layer as shown. shown.

Note: The main graphics layer currently does not contain any data. As shown shown in the final final design design previously, previously, the string used to create create the main drive betwee between n the two ore ore zones is string 10. 10.

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11. Click the Design string number but button displayed yed on the Sta Status bar bar at the bot bottom of the main main Surpac Surpac window window.. 12. 12. Enter Enter the information information as shown, and then then click click Apply.

13. Choose Choose Create > Digitise > New midpoint . 14. 14. Clic Click k two two points points on the north end end of the ore zones zones to crea create te a point midway midway betw betwee een n the two selected points, as displayed:

15. 15. Clic Click k two two points points on the the south end end of the ore zones zones to cre create ate another another point midway midway between between the two selected selected points, as displayed:

16. Press Press ESC. The Z value value of the crea create ted d points points wil willl be equal equal to the the avera average ge of the Z value valuess of the two sele selecte cted d points. In this case, case, where where the Z value of both points is is 200, 200, the Z value value of the new new points points wil willl also also be 200 200. 17. Choose Choose Create > Points > Change point mode.

Note: Point modes can be accessed accessed directly directly from from the Main toolbar, as shown in the image image above. above. 18. Choose Choose Create > Points > On line between any points.

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19. 19. Click Click the first first point point created created in string string 10 10 (ie. (ie. the point to be moved), and then click click the second point created in string 10. 20. 20. Enter Enter the information information as shown, and then then click click Apply.

The point wil willl be moved moved 50 metre metress as displa displayed. yed.

21. 22. 23. 24. 24. 25. 25.

Press Press ESC. Choose Choose Create > Points > Insert point mode. Choose Choose Create > Points > Multiple points by subdividing . Clic Click k the northern northern end of string string 10, 10, then the southern southern end end of string string 10. 10. Enter Enter the follow following ing informa information, tion, and and then click click Apply.

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The Centre string is displaye displayed. d.

26. Press Press ESC. 27. Choose Choose Display > Point > Numbers . 28. 28. Enter Enter the information information as shown, and then then click click Apply.

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T ask: Cr Cr eate Ac Access Dr Dr ives to to th the Or Or e Zo Zones

The points inserted inserted along the centrel centreline ine are displayed. displayed.

These These points points will will serve serve as the starti starting ng points points for the acce access ss drives drives to the the ore zones. zones. 29. 29. Save the centre centreli line ne string string to the file file ugdes1.str all of the steps steps performe performed d in this sectio section, n, run _01_create_ce Note: To see all _01_create_centreli ntreline_between_ore_ ne_between_ore_ zones.tcl. You will need to click click Apply on any forms presented.

Task: Create Access Drives to the Ore Zones 1. Clic Click k the Design string button on the Status bar at the bottom bottom of the main main Surpac Surpac winindow(curre dow(currently ntly displaying displaying Str = 10). 10). 2. Enter Enter the information information as shown, and then then click click Apply.

3. Choos Choose e Create > Points > Add point mode. 4. Choos Choose e Create > Points > By angle. 5. Click Click point 2, 2, and then clic click k point 1. 1.

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6. Enter Enter the information information as shown, and then then click click Apply.

7. Without cancel cancelli ling ng the previous previous function, function, click click point 2, and then click click point 1. 1. 8. Enter Enter the information information as shown, and then then click click Apply.

This This will will crea create te a new segmen segmentt of string string 11 that wil willl exte extend nd beyond the weste western rn ore zone as shown.

9. Choos Choose e Create > New segment. 10. Choose Choose Create > Points > By angle. 11. 11. Click Click point 2, and and then click click point 1 again.

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12. 12. Enter Enter the information information as shown, and then then click click Apply.

13. 13. Without cancel cancelli ling ng the previous previous function, function, once again again click click point 2, and then click click point 1. 1. 14. 14. Enter Enter the information information as shown, and then then click click Apply.

You now have two two segments segments of string string 11 repre represen sentin ting g the centre centreli line ne of ore access access drives drives left left and right right off the main drive. drive. 15. Choose Choose Display > Hide temporary markers.

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16. Using sing the combobo comboboxx on the Status Items toolbar, set the snap mode to Point as shown.

17. Choose Choose Edit > String > Copy . 18. 18. Clic Click k string 11 near point 1, 1, and drag to point 2. 2. Note: In order to correctly correctly sele select ct a string or segment segment in Surpac, do NOT select select a point common to two or more strings. In this case, case, in order to select select string string 11, you would would not want to to position the cursor right on top of point 1, as this this point is common common to string 10 10 and string 11, and y ou could not be certain certain exactl exactly y which string you will will select select..


A copy of both segme segments nts of string string 11 11 will will now be create created d at point point 2. 2.

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There are two two additiona additionall points points on string string 10 (point (point 3 and point point 4) wher where e you Note: There need need access drives. drives. You can continue using the String Copy function function to create create drives drives for these these points. points. 20. 20. Click Click string string 11 again again near point 1, 1, drag to to point 3 and rele release. ase. 21. 21. Enter Enter the information information as shown, and then then click click Apply.

22. Press Press ESC. The eight eight access access drives are displayed. displayed.

23. Clic Click k the icon icon to return return to plan plan view. view. 24. Choose Choose Edit > Trim > Clip by selected segment. 25. 25. Enter Enter the information information as shown, and then then click click Apply.

26. 26. Clic Click k one segment segment of string string 200 200.. 27. 27. Enter Enter the information information as shown, and then then click click Apply.

28. 28. Clic Click k the the other other segmen segmentt of string string 200 200.. 29. 29. When the form appears appears again, again, click click ESC.

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T ask: C r eate the Main D ecline

You wil willl see all all portions portions of segmen segments ts inside inside both ore zones zones removed. removed.

30. 31. 31. 32. 33.

Choose Choose Edit > Segment > Delete Clic Click k the portion portion of each each segme segment nt exte extended nded beyond beyond the ore zones. zones. Press Press ESC. Choose Choose Display > Hide temporary markers. The drives drives are displayed. displayed.

34. Save Save as ugdes1.str, overw o verwriti riting ng the previous previous contents.

Note: To see all _02_create_access_drives_to_ore_ ves_to_ore_ all of the steps steps performe performed d in this sectio section, n, run _02_create_access_dri zones.tcl. You will need to click click Apply on any forms presented.

Task: Create Create the th e Main Decli Decline ne 1. Double-c Double-cli lick ck on lev215.str in the the Layers Layers pane pane to make make it the active active layer layer..

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2. Choos Choose e Display > Strings > With string numbers display all strings in in the layer. layer. numbers to display

3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13.

Choos Choose e Inquire > Point properties to deter determine mine the eleva elevati tion on of the two two points. points. Choos Choose e Inquire > Bearing and Distance between two points . Clic Click k the end of string string 1, 1, then then the beginni beginning ng of string string 1. 1. Pre Press ESC. Zoom out to see see the access access drives drives then then zoom in in to get get a good view view of points points 4 and 5. 5. Choos Choose e Inquire > Bearing and Distance between two points . Clic Click k point point 5, 5, then then point point 4 on string string 10 10 in ugdes1.str. Press Press ESC. Set Set the main graphics layer as the current current layer. layer. Choose Choose Create > Points > Add points mode. Set Set the snap snap mode to No Snap.

14. Set Set the Design string as 10 10 and lea leave ve the Design gradient set to zero percent.

15. Choose Choose Display >Point > Numbers Numbers. 16. 16. Enter Enter the information information as shown, and then then click click Apply.

Markers. 17. Choose Choose Display > Point > Markers

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19. Choose Choose Create > Curve at segment end. 20. 20. Click Click point 4, and and then point 5. 5. 21. 21. Enter Enter the data as shown, shown, and and then then clic click k Apply.

22. 23. 23. 24. 25. 25. 26. 26. 27.

Press Press ESC. Zoom in in so that that you can can see the points points clea clearl rly. y. Choose Choose Edit > Segment > Join . Zoom in in so that that you can can see the points points clea clearl rly. y. Click Click point 5, and and then point 7. 7. Press Press ESC. Since the bearing bearing of the main drive betwee between n the ore zones was 334.3 334.333 332, 2, you wil willl construct the 5 metre straight straight section section at a bearing bearing 90 degrees degrees less less than that, that, or 244.33 244.3332 32..

28. Choose Choose Create > Points > By bearing. 29. 29. Clic Click k the end of the newly newly cre create ated d curve. curve.

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31. Choose Choose Create > Curve at segment end. 32. 32. Click Click point 21, 21, and then then point 22. 22. 33. 33. Enter Enter the information information as shown, and then then click click Apply.

directi tion on of the curve curve is anticl anticlockw ockwise ise.. Note: The direc 34. Press Press ESC. 35. Choose Choose Display > Hide temporary markers.

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The curve curve is displaye displayed. d.

36. Choose Choose Edit > Segment > Change gradient. 37. 37. Click Click point 5, 5, and then point point 36. 36. 38. 38. Enter Enter the follow following ing informa information, tion, and and then click click Apply.

39. 40. 40. 41. 42. 42. 43. 44. 44.

Choose Choose Inquire > Point properties . Click Click point 36. 36. Choose Choose Edit > Segment > Break. Click Click the segment segment betwe between en points 5 and 6. 6. segment constrained constrained by > Bearing Bearing and distance. Choose Choose Edit > Move segment Click Click the segment segment with with the two curves. curves.

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The segment segment is displayed.

46. 47. 47. 48. 49. 49. 50. 50.

Choose Choose Edit > Segment > Join . Click Click the main drive drive first first (at (at point 5), 5), and then cli click ck the curves (at (at point 7). 7). Choose Choose Edit > Segment > Change gradient. Click Click point 5, 5, and then click click point point 36. 36. Enter Enter the information information as shown, and then then click click Apply.

51. 52. 52. 53. 54. 54.

Choose Choose Inquire > Point properties . Clic Click k point point 36 36 (i.e. (i.e. the southern southern end end of curve curve 2). 2). Choose Choose Create > Points > By bearing. Clic Click k point point 36 36 (i.e. (i.e. the southern southern end end of curve curve 2). 2).

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A new point point will will now be create created d much furthe furtherr south as displa displayed. yed.

56. 57. 58. 59.

Press Press ESC. Choose Choose Create > Points > Change point mode. Choose Choose Create > Points > At intersection of two lines . Click point 37, and then click click point 36. Note: It is important to select select 37 first, first, as the first first point selected selected wil willl be moved.

60. 60. Next Next,, cli click ck both of the endpoint endpointss of the centre centreli line ne of lev215.str (i.e. string 1).

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need to use the Assist key(F1) allow you to zoom in on lev215.str so Note: You may need key(F1) to allow that you select select the correct correct points. It does not matter which which end you select select first first for this string, string, point 37 will will still still be moved moved to the corre correct ct position position as shown.

61. Press Press ESC. 62. Set Set the Snap Snap mode to Point:

63. Choose Choose Create > Points > Insert after an existing point. 64. 64. Click Click point point 37 37 and drag drag it it to the Access Access Point 65. 65. Clic Click k Apply on the form presente presented. d.

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66. Press Press ESC. The centrel centreline ine string is is displayed. displayed.

67. 68. 69. 70. 71. 71. 72. 72.

Press Press ESC. Choose Choose Create > Points > Insert point mode. Choose Choose Create > Curve from tangents. Click point 36, and then click click point 37. Click Click point 37 37 again, and and then cli click ck point 38. 38. Enter Enter the information information as shown, and then then click click Apply.

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73. Choose Choose Display > Hide point > Marker Markerss. 74. 74. Enter Enter the information information as shown, and then then click click Apply.

Attributes. 75. Choose Choose Display > Hide point > Attributes 76. 76. Enter Enter the information information as shown, and then then click click Apply.

77. Choose Choose Display > Hide temporary markers. The centre centre string is displayed. displayed.

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78. Save Save the the file as ugdes1.str. all of the steps steps performe performed d in this sectio section, n, run _03_create_main_decline.tcl . You will Note: To see all need to click click Apply on any forms presented.

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C r eating R oad Outlines

T ask: C r eate a Ro Road Outline of Fi Fixed Wi Width

Creating Road R oad Outlines Outlines Task: Create a Road Outline of Fixed Width 1. Click the Reset graphics icon . 2. Open Open ugdes2.str. numbers. 3. Choos Choose e Display > Strings > With string numbers 4. Enter Enter the information information as shown, and then then click click Apply.

5. Click the Design string number but button displayed yed on the Sta Status bar bar at the bot bottom of the main main Surpac Surpac window window.. 6. Enter Enter the information information as shown, and then then click click Apply.

7. Choos Choose e Design > Underground tools > Room & pillars from centreline. 8. Enter Enter the information information as shown, and then then click click Apply.

Note: This This sets the width width of the road to be fixed ixed at 5m 5m for both strings strings 10 and 11. 11. 9. Choos Choose e File > Save > string/DTM .

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C r eating R oad Outlines

T ask: C r eate a Ro Road Outline of Fi Fixed Wi Width


11. Click the Reset graphics icon 12. Open Open ugdes_outline1.str. The road outline is displayed. displayed.

.

Note: To see all all of the steps steps performe performed d in this sectio section, n, run _04a_create_road_outline.tcl . You will need to click click Apply on any forms presented.

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C r eating Ro Road Ou Outlines

T ask: Cr Cr eate a Road Ou Outline of of Va Var iable Wi Width

Task: Create a Road Outline of Variable Width 1. Click the Reset graphics icon . 2. Open Open ugdes2.str. numbers. 3. Choos Choose e Display > Strings > With string numbers 4. Enter Enter the information information as shown, and then then click click Apply.

5. Click the Design string number but button displayed yed on the Sta Status bar bar at the bot bottom of the main main Surpac Surpac window window.. 6. Enter Enter the information information as shown, and then then click click Apply.

7. Choos Choose e File tools > String maths . 8. Enter Enter the information information as shown, and then then click click Apply.

This sets the the width width of the centre centreli line ne to be 4m, whil while e the access access drive drivess are set to to Note: This 3m.

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9. Clic Click k Apply to overwrite overwrite the file file..

10. 10. Clic Click k Yes .

Attributes. 11. Choose Choose Display > Points > Attributes 12. 12. Enter Enter the information information as shown, and then then click click Apply.

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All All drives drives are are displayed. displayed.

Design > Underground Underground tools > Room & pillar from centreline centreline. 13. Choose Choose Design 14. 14. Enter Enter the information information as shown, and then then click click Apply.

Note: This This instruc instructs ts the softw software are to use the d1 fiel field d to dete determi rmine ne the width width of the road for for each each string string.. In this case case you have alre already ady set set d1 to 4m for for string string 10, 10, and d1 to 3m for for string 11. 15. Choose Choose File > Save > string/DTM .

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17. Click the Reset graphics icon 18. Open Open ugdes_outline2.str. The road outline is displayed. displayed.

.

Note: To see all all of the steps steps performe performed d in this sectio section, n, run _04b_create_road_outline.tcl. You will need to click click Apply on any forms presented.

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C r eating a Solid

T ask: View Pr ofiles

Creating a Solid Task: View Profiles 1. Click the Reset graphics icon . 2. Open Open drive_profile3x3.str drive_profile3x3.str . 3. Choos Choose e View > Zoom > Out. 4. Choos Choose e Display > Strings > With colour fill . 5. Enter Enter the information information as shown, and then then click click Apply.

6. Choos Choose e Display > 2D Grid . 7. Enter Enter the information information as shown, and then then click click Apply.

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C r eating a Solid


The profile profile is displayed. displayed.

8. Click the Reset graphics icon . 9. Open Open drive_profile4x3_5.str . 10. Choose Choose View > Zoom > Out. 11. Choose Choose Display > Strings > With colour fill . 12. 12. Enter Enter the information information as shown, and then then click click Apply.

13. Choose Choose Display > 2D Grid .

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C r eating a Solid



The profile profile is displayed. displayed.

15. Click the Reset graphics icon drive_profile3x3.str . 16. Open Open drive_profile3x3.str 17. Open Open drive_profile3x4_5.str . 18. Choose Choose View > Zoom > Out. 19. Choose Choose Display > 2D Grid .

.

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C r eating a Solid



Both p rofil rofiles es are displayed. displayed.

profiles es are are cente centere red d at point point 0,0 on the floor of the profil profile. e. Note: Both of the profil

Note: To see all _05a_display_profiles.tcl. You will all of the steps steps performe performed d in this sectio section, n, run _05a_display_profiles.tcl. will need need to click click Apply on any forms presented.

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C r eating a So Solid

T ask: Cr Cr eate a So Solid Us Using Tr T r iangulate Ce Centr eline an and Pr Pr ofile

Task: Create a Solid Using Triangulate Centreline and Profile 1. Click the Reset graphics icon . 2. Open Open ugdes1.str. 3. Choos Choose e Underground tools > Triangulate using centre line & profile. 4. Enter Enter the information information as shown, and then then click click Apply.

5. Click Click string 10. 10. Notice Notice that this profi profile le is applie applied d to string 10 10 only, i.e. the centrel centreline ine string. 6. Pre Press ESC.

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The Centreli Centreline ne solid is is displayed. displayed.

7. Choos Choose e Underground tools > Triangulate using centre line & profile.

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8. Enter Enter the information information as shown, and then then click click Apply.

9. Clic Click k each each of the individua individuall segmen segments ts of string string 11. 11. 10. Press Press ESC. 11. Choose Choose Solids > Validation > Validate object .

The file file valid1.not is created created in the current work work directory.

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12. 12. Double-c Double-cli lick ck the file file valid1.not in the navigator. navigator. The file file valid1.not is displayed.

13. Choose Choose Solids > Validation > Set object to solid or void . 14. 14. Enter Enter the information information as shown, and then then click click Apply.

15. Choose Choose File > Save > string or DTM .

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C r eating a Solid

T ask: C alculate Volume of U nder gr ound Design


Note: To see all all of the steps steps performe performed d in this sectio section, n, run _05b_triangulate_centreline.tcl . You will will need to click click Apply on any forms presented.

Task: Calculate Calculate Volume of Underground Des Design ign 1. Choos Choose e Solids > Solids tools > Report volume of solids . 2. Enter Enter the information information as shown, and then then click click Apply.

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C r eating a Solid

T ask: C alculate Volume of U nder gr ound Design

The file file ugdes_drive_volume1.not is displayed.

Note: To see all all of the steps steps performe performed d in this sectio section, n, run _05c_drive_volume.tcl . You will will need need to click click Apply on any forms presented.

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Underground Mine Design

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