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Technical Visits - Minerals

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Education
Rock Mechanics Course – Chamber of Mines Paper 1 PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Wednesday, 22 February 2012 13:03
The Chamber of Mines through the Rock Engineering Technical Committee recently commissioned the writing of material to cover the Rock Mechanics Certificate in Rock Mechanics. This material has been completed and will form the basis on which the lectures will be based. Candidates are invited to be enrolled in a full-time course in preparation of the Rock Mechanics exams that will be written in May 2012. The month long course will focus on Paper 1 only and candidates completing this course will be well prepared to write the Paper 1 exam.
 
Course Duration: 2 April 2012 to 4 May (20 Days),
 
Venue: Goldfields Academy, Gold Fields Kloof Mine.
 

 

 
Rock Engineering Practical Evaluation Candidates 2012 PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Tuesday, 31 January 2012 12:17
With the change over from UNISA to the COM some minor delays in administration is expected.  Therefore we urge candidates which have passed all three rock engineering papers and is applying for the practical evaluation, to please contact Jacques Lucas at This e-mail address is being protected from spambots. You need JavaScript enabled to view it  in order to speed up the process for arranging the various practicals.
Read more...
 
October 2011 Exam Results - Strata Control PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Monday, 23 January 2012 09:45
The Strata Control candidates’ examination results for the October 2011 examinations have been released by UNISA.  Congratulations to those candidates that passed, your hard work has paid off.
 
Subject                            Pass rate
SCC Metalliferous            60%
SCC Coal                         0%
 
Click here to dowload the full results.  

 

 
Publication of the Strata Control Results PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Thursday, 19 January 2012 13:27

Presentation1SANIRE has numerous queries regarding publication of results for the Strata Control Certificate. The results for the approximately 150 candidates are being finalised and will be released once completed. Candidates are requested to be patient and to refrain from contacting the office or the examiner directly.

Thank you for your co-operation in this matter.

 

 
October 2011 Exam Results P1 PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Thursday, 19 January 2012 09:27

The examination results for paper one has finally been released by UNISA.    

Subject                                   Pass rate
RMC Paper 1                          2%

The full list of results is available for download.  Click here to download.

 
October 2011 Exam Results PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Wednesday, 18 January 2012 14:46

The Rock Mechanic candidates’ examination results for the October 2011 examinations have been released by UNISA.   However paper one and the Strata Control results will only be released at a later stage due to unforeseen circumstances.

RMC Paper 2                          36%
RMC Paper 3.1                       22%
RMC Paper 3.2                       25%
RMC Paper 3.3                       25%
RMC Paper 3.4                       10%
 
Click here to download the list of results.
 
Numerical estimation of average pillar stress values PDF  | Print |  E-mail
Written by Theresa Lee   
Friday, 09 December 2011 06:27

One of the most important and long-standing applications of tabular layout analysis programs based on the displacement discontinuity boundary element method (for example, MINSIM, MSCALC, MAP3D, TEXAN) is to determine average pillar stress values in narrow stope width excavations in coal, gold and platinum mines. One aspect of the use of these programs that is not always appreciated is that field point stress estimates will depend on the chosen element grid size when using constant strength displacement discontinuity elements.

Read more to find out about a simple extrapolation technique for the numerical estimation of average pillar stress values, as explained by John Napier and Francois Malan of the Department of Mining Engineering of the University of Pretoria.

Read more...
 
MSc can replace GDE PDF  | Print |  E-mail
Written by Theresa Lee   
Friday, 09 December 2011 06:04

Wits will no longer offer the Graduate Diploma in Engineering (GDE) after 2012. Read more to find out what your options are if you had a GDE in your sights.

Read more...
 
May 2011 Exam Results – Strata Control PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Friday, 29 July 2011 13:43

The Strata Control Candidates’ exam results for the May 2011 exams have been released by UNISA. 

Congratulations to those candidates that passed, your hard work has paid off.

SCC Metalliferous           9%

SCC Coal                         12%

The full results are available to download here

 

 
May 2011 Exam Results PDF  | Print |  E-mail
Written by Charlotte van der Westhuizen   
Tuesday, 26 July 2011 09:47

The Rock Mechanic Candidates’ exam results for the May 2011 exams have been released by UNISA.   However the Strata Control Candidates’ exam results will only be released later this week due to unforeseen circumstances.

RMC Paper 1                        32%

RMC Paper 2                        21%

RMC Paper 3.1                    39%

RMC Paper 3.2                    63%

RMC Paper 3.3                    14%

RMC Paper 3.4                    25%

Click here to download the full list of results.

 
Why students fail the COM Certificate Paper 1 PDF  | Print |  E-mail
Written by Johan Hanekom, Director of Middindi Consulting   
Wednesday, 23 March 2011 13:46

studentsfailThe pass rate for Paper 1 has been very poor for many years and questions have been asked of students as well as the examiners. Some common problems have been identified from the last five exams and Johan Hanekom, director of Middindi Consulting, explains what students can do to pass this paper.

Paper 1 ensures that the minimum theoretical knowledge that is required to perform the required rock engineering functions, are well understood by the student. It can not simply be ignored or rushed over, it requires a lot of studying to ensure that all concepts are well understood.

Read more...
 
CASE STUDY: An Underground Gas Storage Cavern PDF  | Print |  E-mail
Written by Prof Dick Stacey, University of the Witwatersrand   
Wednesday, 23 March 2011 12:31

gasstorageMany SANIRE members who have done GDE courses at WITS will be familiar with this case study.  The project was the construction of an LPG storage cavern, consisting of four 14m span galleries, at a depth of about 150m, beneath the Botany Bay harbour, Sydney, Australia.

The owner had budgeted to spend US$100 million on the project, but the cost ended up at about $200 million.  The owner did not believe that the extra cost was his problem, so he sued the designers of the project.

Prof. Dick Stacey from the University of the Witwatersrand was involved in this project as an expert witness on behalf of the owner.  He tells us more…

Read more...
 
A handbook on Rock Engineering Practice for tabular hardrock mines PDF  | Print |  E-mail
Written by Geoffrey Potgieter   
Thursday, 03 March 2011 15:45

Good news for all the students, the handbook on Rock Engineering Practice for tabular hardrock mines is now available as a six part download free of charge. SANIRE would like to thank the MHSC for allowing us to upload this book to the website. www.MHSC.org.za

MHCS

cover

 
New examination guidelines PDF  | Print |  E-mail
Written by Geoffrey Potgieter   
Monday, 14 February 2011 08:21

The examination guidelines have been updated for 2011, the new guidelines are available to download here. The changes include what practical experience required for sitting for the COM examinations and the number of attempts that can be made at obtaining the SCO practical examination in a specific cycle.

 
Open Pit Slope, 2D, Finite Element Modelling Course PDF  | Print |  E-mail
Written by Geoffrey Potgieter   
Monday, 31 January 2011 07:55

 

 When mine open pits reach significant depths or are developed in high horizontal stress environments, the mechanics of their behaviour are not well handled by the commonly applied methods of slope stability analysis. In such cases, numerical models are required to reliably design pit slopes and estimate levels of instability. These methods, among offering many other benefits, can estimate deformations, one of the most commonly monitored aspects of slope
Read more...
 
Education is getting more formal PDF  | Print |  E-mail
Written by Theresa Lee   
Tuesday, 21 September 2010 13:13

Establishing a formal system for the education and training of tomorrow’s rock engineers remains one of Sanire council’s focus areas. Like a rock rolling down a hill, the process is slowly gathering speed. Here’s a progress report:

Vusi Mabena, skills advisor at the Chamber of Mines, advised the industry during 2009 that the chamber wished to do away with Chamber of Mines Certificates of Competency for the rock engineering, ventilation and survey disciplines and move towards more formal educational qualifications.

Early in 2010, Mabena convened a steering committee to facilitate replacing the Chamber of Mines certificates of competency. The committee has representatives from the various technical disciplines (and their related professional bodies), the Chamber of Mines, the Mining Qualifications Authority and educational institutions.

Read more...
 
Strategy leads to training material development PDF  | Print |  E-mail
Written by Theresa Lee   
Tuesday, 21 September 2010 11:51

The Chamber of Mines’ Rock Engineering Technical Committee has made a commitment to the development and implementation of a strategy to attract, train and retain rock engineering professionals in industry.

This commitment was made following the CEO roundtable and the tripartite summit on health and safety held in 2008, where various structures of the Chamber of Mines (CoM) considered the commitments that were agreed to in the Chamber’s Roadmap to Zero Harm.

The Rock Engineering Technical Committee concluded that the biggest current shortcoming was the availability of suitable training material for prospective rock engineers.

The committee recommended that suitable study modules be developed, that could be used by trainers both in the industry and at tertiary institutions to better prepare candidates for the CoM certificate in rock engineering.

Read more...
 
Guest lecture: Large-scale mantle flow under Africa PDF  | Print |  E-mail
Written by Geoffrey Potgieter   
Monday, 02 August 2010 20:50

An AfricaArray associate, Professor Steve Grand (Head of Geology at the University of Texas in Austin) will be visiting Wits on Monday 2 August.

Read more...
 
Prepare to pass – and even excel PDF  | Print |  E-mail
Written by Francois Smit   
Friday, 18 June 2010 14:02

Doing well in an exam takes more than just learning hard before the event. Good preparation in other areas can boost your results significantly. Read more to get some hints on how to be excellently prepared for your exams. A future article will give you hints on what to do once the paper is in front of you to optimise your performance.

Before you start

• Confirm the location of the exam venue, how long it takes to get there and allow for minor mishaps and traffic congestion in planning travelling time.

• Make sure you have a watch that can measure time in minutes – cell phones may not be permitted in the exam hall.

• Check that your calculator has fresh batteries and you have a spare set, that you have sufficient equipment such as pens, pencils, coloured pencils, highlighters, erasers, protractors, rulers, scale rules, and compasses.

• Use the toilet before you enter the exam room.

• Keep as calm and relaxed as possible. This will aid your recall of what you have studied. Avoid situations that will increase your already elevated level of stress. For example, do not discuss the work and the upcoming exam with your fellow candidates before entering the exam hall. Such discussions are not likely to improve your knowledge, but are likely to increase your anxiety.

• Your brain will require glucose or sugar to function properly. It is therefore advisable to increase your glucose intake before the exam and is generally not a bad idea to have a sweet snack to consume during the exam.

Allocate your time

• Aim for a pace that would enable you to complete a three-hour paper in two-and-a-half hours.

• Allow yourself 15 minutes to read the question paper carefully.

• Allocate the time per question according to the marks allocated to the question. Assuming a three-hour 100-mark exam (remember you allow yourself two-and-a-half hours or 150 minutes to complete the examination), 1½ minutes are allocated for every mark available.

• Allow yourself 15 minutes at the end of the exam to make sure that you’ve answered all the questions that were asked and to finish any questions not completed in the time you allowed yourself.

• After answering all the questions according to your schedule, you should now have 15 minutes plus any extra time you have saved. Use this time to:

- make sure that you’ve answered all the questions;

- complete any incomplete answers;

- check all formulae and calculations;

- add any additional information that you’ve subsequently recalled;

- check that you’ve answered the questions asked.

Bear in mind

Preparation pays – you should do some even during the exam itself. Here’s what to bear in mind:

• The results of a candidate with good subject knowledge but poor exam technique are seldom better than those of a candidate with slightly worse knowledge but excellent exam technique. In borderline cases, exam technique is invariably the differentiator between a pass and a fail. Watch out for a future Rock Talk article, which will give you more hints on exam technique.

• The examiner wants to test the candidates’ knowledge on the subject matter, not to trick them. Plan your answers so that you present your knowledge and understanding clearly.

• A neat and tidy exam script is likely to put the examiner in a positive frame of mind when he starts marking your answer. You are more likely to score top marks for neat, well constructed answers. This is especially true when answering essay questions.

• Don’t give long-winded answers with lots of irrelevant information. The examiner is looking for specific answers and battling through a mass of irrelevant information is not likely to prompt him to give you higher marks. More often than not, “waffle” will show your ignorance, lack of knowledge or misconceptions, rather than knowledge and understanding of the subject. Remember, the examiner is probably marking your script in his private time, for no remuneration. Do not waste his valuable time.

 
SCC exam preparation course PDF  | Print |  E-mail
Written by Geoffrey Potgieter   
Tuesday, 13 April 2010 14:26

An examination preparation course will be presented by Dave Arnold from the 10 to 14 May 2010, based on the COM Strata control certificate.

The  nomination form and map to the Geostrat Training offices. The nomination form must be completed and return to This e-mail address is being protected from spambots. You need JavaScript enabled to view it

 Cost: R650.00 per person per day.

 If you need more information please let contact  This e-mail address is being protected from spambots. You need JavaScript enabled to view it

 

 
Certificate brought standardisation PDF  | Print |  E-mail
Written by Francois Smit   
Wednesday, 31 March 2010 14:51
certificatesealThere was a time when there was no such thing as an industry-accepted certificate of competency for rock mechanics practitioners. The Chamber of Mines Certificate in Rock Mechanics changed all that. Find out more about it here.

In the 70s, rock mechanics practitioners took steps to regulate and standardise rock mechanics practitioner competency. The result was the introduction of the Chamber of Mines Certificate in Rock Mechanics (COMCRM) to the South African mining industry.

Initially, the Rock Mechanics departments in the various mining houses developed Rock Mechanics Officers/Practitioners in-house. However, when these people wanted to move between mining houses, they could not produce an industry-accepted certificate of competency.  
Read more...
 
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