Greetings from Incoming Chairman

1. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 New Handbook Launched! Inside this issue • Greetings from Incoming Chairman • MVS Colliery Diary • MVS Colliery Conference • Suppliers Support • Networking • Long visit 2013 • Article: MOSH • Exam Q & A • Exam Dates: 2014 • 10th International MV Congress • Invitations • Achievements Publication of the Ventilation & Occupational Environment Engineering in Mines text book officially launched at the 10th International Mine Ventilation Conference on the 5 August 2014 at Sun City South Africa.The Book titled “Ventilation & Occupational Environment Engineering in Mines” was, edited by Prof JJL du Plessis from the Department of Mining Engineering from the University of Pretoria. This is the flagship publication of the Mine Ventilation Society of South Africa and is an update of the previous edition entitled Environmental Engineering in South African Mines (last published in 1989). Prof Jan Du Plessis: Editor Greetings from Incoming Chairman I want to thank the members for electing me as the MVS Colliery Branch Chairman for 2014. I’m conscious of the duties and tasks ahead and it is with excitement that I look forward to the coming year. Hard work, dedication and commitment will be required to live up to the standards that was set by the previous Chairman and committee. I am proud and honored to be part of an excellent committee that never backs down for any challenge. We as a committee look forward to serve our members and make 2014 an exiting year!! Regards, Gerrie Erasmus Page 1

2. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 • Neil McPherson – Treasurer • Oliver Nelson –Visits & Conference • TshidisoMatshidiso – Assist Visits • Khumbula Bhembe – Training Committee 2014: The committee member for 2013/2014 are as follows: • GerrieErasmus – Chairman • Derick Bezuidenhout – Immediate Past Chairman • Liska Cronje – Newsletter Co-Editor • Julize van Niekerk – Newsletter Editor • Jan Combrink – Visits & Conference LIKE us on Facebook FOLLOW us on LinkedIn Page 2

3. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 MVS Colliery Diary • MVS Colliery Conference 2013 MVS Colliery Committee 2013 - 2014 MVS Colliery Conference 2013 The Mine Ventilation Society of South Africa’s Colliery Branch Annual Conference was held on 21 November 2013 at Tweefontein Colliery. The Conference was followed with the members networking whilst playing golf. The committee would like to thank all present for supporting the Colliery Branch at this AGM. MVS Colliery Chairman 2012-2013: Derick Bezuidenhout Attendees MVS Colliery Incoming Chairman 2013-2014: Gerrie Erasmus Presentations Page 3

4. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Suppliers Support To MVS Colliery Branch Conference Conference Networking The MVS Colliery Branch Committee would like to give special thank you to the following suppliers who contributed at the MVS Colliery Branch Conference on 21 November 2013: Page 4

5. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 MOSH: Mine Occupational Safety & Health • The MOSH Leading Practice adoption system was developed to assist industry in its efforts to meet the Tripartite agreed Occupational Safety and Health milestones. • The milestones were agreed to in 2003 and in 2005 the CEOs of the major mining companies committed their companies to achieve the 2013 milestones. • The MOSH Adoption system was developed in 2007 and piloted in 2008. • The Task Force is comprised of senior executives from mining companies. It decides on the major areas of risk to be addressed by the adoption system. • The MOSH Adoption Teams are led by experienced persons seconded to the Learning Hub by mining companies. The teams, which include representatives from the mining companies, are supported by a specialist secretariat. • Leading Practices having the greatest OHS improvement potential are selected at a workshop involving technical experts drawn from the mining companies and other organisations as appropriate. Long Visit The Committee arranged the annual Long Visit during August and visited CFW Fans in Cape Town on 15 August 2013. Page 5

6. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Exam Question and Answer • EXAMINATION FOR THE CERTIFICATE IN MINE ENVIRONMENTAL CONTROL • PAPER 6 • Section B Questions • 1. State the requirements with regards to the number of rescue teams that must be kept on a mine. 8 marks • Employer Responsibility - Mine Rescue Teams • 16.5(1) The employer at every underground mine must- • (a) provide and maintain, readily available at the mine, mine rescue teams, consisting of at least five competent persons, per mine rescue team, in the following minimum proportions determined by the maximum number of persons who could be underground at any one time- • i) where there could be between 100 and 1100 persons underground, at least 1 mine rescue team; • ii) where there could be between 1101 and 3600 persons underground at least 2 mine rescue teams; • iii) where there could be between 3601 and 8100 persons underground at least 3 mine rescue teams; and • iv) where there could be more than 8100 persons underground at least 3 mine rescue teams and at least 1 additional mine rescue team for every additional 6300 persons who could be underground; • 2. State the requirements of a Mine Rescue Service provider as detailed in the regulations. 10 marks • Mines Rescue Service Provider • 16.5(2) For the purposes of regulation 16.5(1)(c) and (d), a mines rescue service provider must- • a) be an organisation/institution which has personnel with specialist knowledge and experience in mines rescue and emergencies and which has access to rescue equipment and training facilities, including facilities for Heat Tolerance Testing, Workload Testing and Simulated Training; • b) render an emergency rescue service on a co-operative basis; • c) provide mines rescue services with emphasis on mobilisation of mine rescue teams, quantity or access to rescue teams, emergency communication, additional emergency resources, back up facilities and transport; • d) ensure that any breathing apparatus that may be used by mine rescue teams continually complies with SANS 50145:1997/EN 145:1997 “Respiratory protective devices - Self-contained closed-circuit breathing apparatus - Compressed oxygen or compressed oxygen-nitrogen type - Requirements, testing, marking”; • e) ensure that their personnel is competent to check and maintain any rescue equipment used by it in accordance with the Original Equipment Manufacturer’s specifications; • f) test and maintain the functional performance of any other rescue equipment used by it in accordance with the Original Equipment Manufacturer’s specifications; and • g) ensure that the rescue team members used by them to provide mines rescue services meet the qualification requirements as prescribed in Chapter 22. • What are the measures that must be put in place where a main fan is installed where there is a significant risk of a flammable gas or coal dust explosion. 8 marks Page 6

7. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Exam Question and Answer Exam Dates 2014 • 8.6(2) The employer must ensure , where significant risk of an explosion od flammable gas or coal dust exists, that measures are in place to ensure that there is always a supply of clean air to all underground working places. Such measures must include: • Installing the main fan on surface; • providing an effective means of protecting the main fan against damage caused be explosion; • Ensuring the main fan is readily accessible to effect emergency repairs; and • Having a back up system in place to provide clean air should the main fan become inoperative. • 4. State what the regulations specify with regards to early warning systems. 4 Marks • Early Warning Systems • 9.1(2) Where the risk assessment at the mine indicates a significant risk of a fire and/or explosion and/or toxic release, that could lead to an irrespirable atmosphere or an atmosphere immediately dangerous to life or health, the employer must provide an early warning system or systems at all working places • 5. State what the regulations specify with regards to ventilation control devices. 4 Marks • Ventilation Control Devices • 9.1(3) The employer must ensure that polymer underground ventilation control devices or appliances, which have' the potential for electrical • static discharge- • (a) comply with the SABS standard specifications 1287: Part I and Part II; and • (b) are of anti-static characteristics when used in working places where • there is a risk of igniting gas, dust or vapour. Page 7

8. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Page 8

9. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Page 9

10. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Invitations: Book the date! • High Tea • Ventilation & Occupational Hygiene Professionals • 22 October 2014 • For one day only, leave the black dirt behind, dress up and embrace in your femininity! • We would like to invite all our female colleagues to join us for an afternoon filled with fun & laughter. • Guest Speakers! • Annual Colliery Branch Conference • 13 November 2014 • We would like to invite all members (and those not yet, but who should be!) to attend the Annual Conference at Tweefontein this year. • It will be informative with relevant topics being presented. The formal proceedings will be finalized by lunchtime and thereafter you are welcome to join us for a round of golf – Make sure your female colleagues are joining us: Three Jack’s and a Jill! • Wear a hat or a brooch as entry fee! • Kloppersbos Visit • 15 September 2014 • If you haven't been to the CSIR facility to witness a Methane Explosion, and you are working on a Coal Mine, make sure you don’t miss this opportunity! We have space for 30 delegates max! Page 10

11. The Mine Ventilation Society of South Africa NEWSLETTERColliery Branch Third Quarter 2014, Volume 9, Issue 1 Achievements Congratulations to Marijke Bamford & Elvis Thobela on obtaining their Intermediate Certificate in Mine Environmental Control/Occupational Hygiene.  & Motsoane Motsoane Hlosi Ntsuba Eric Nkosi on obtaining their Certificate in Mine Environmental Control/Occupational Hygiene”. Mine Ventilation Society of South Africa Colliery Branch Phone: Julize (Editor) 084 240 7608 Liska (Co-Editor) 082 777 4324 E-Mail: julize.vanniekerk@angloamerican.com liska@ventgiene.co.za Contact us with news and views – anything you might find of interest or want to share – we are waiting Mine Ventilation Society Colliery Branch Page 11