NELSPRUIT · MPUMALANGA

Competent B Certificate South Africa
Mine Overseer Exam Preparation 2026

United Training Centre offers accredited Competent B exam preparation across South Africa — preparing mining supervisors and shift bosses for the DMR Certificate of Competency examination under the Mine Health and Safety Act 29 of 1996. Our intensive preparation programme covers all subjects examined by the Department of Mineral Resources and Energy (DMRE), ensuring you walk into your Competent B examination fully prepared to pass on your first attempt.

The Competent B Certificate of Competency is a legal requirement for anyone appointed as a Mine Overseer or Shift Supervisor on a South African mine. Without it you cannot legally hold this position — and obtaining it is the essential step toward a Competent A mine management qualification. United Training Centre prepares candidates from gold, platinum, coal, chrome and base metal mines across South Africa. 5 locations.

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Duration
5 Weeks
Price
R12,000
DMR Certificate
Competency Exam Preparation
Location
Nelspruit, MP
Covers
All MHSA Act 29 of 1996 examination subjects
Includes
DMR Exam Booking Assistance

What is a Competent B Certificate of Competency in South Africa?

A Competent B Certificate of Competency is a formal qualification issued by the Department of Mineral Resources and Energy (DMRE) under the Mine Health and Safety Act 29 of 1996 (MHSA). It certifies that the holder is competent to supervise mining operations as a Mine Overseer or Shift Supervisor on a South African mine.

The Competent B is the second tier in the South African mining Certificate of Competency system. The full hierarchy is:

BLASTING CERTIFICATE (Blasting Competency)

The entry-level mining competency — required before a candidate can apply for Competent B. Authorises the holder to conduct blasting operations under supervision.

COMPETENT B — MINE OVERSEER / SHIFT SUPERVISOR

The Competent B certifies competency to supervise a section or shift on a mine. The holder is legally authorised to be appointed as a Mine Overseer or Shift Supervisor — responsible for the health, safety and productivity of a mining team.

COMPETENT A — MINE MANAGER

The highest operational mining certificate — covered on our separate Competent A preparation page. Competent B is a prerequisite for Competent A.

WHAT DOES A MINE OVERSEER DO?

A Mine Overseer (also called a Shift Supervisor or Shift Boss) is legally responsible for:

  • The health and safety of all persons under their supervision during a mining shift
  • Ensuring mining operations comply with the Mine Health and Safety Act and mine standards and procedures
  • Conducting pre-shift safety examinations of the working area
  • Implementing the mine's safety management system on their section
  • Investigating incidents and near-misses in their area of responsibility
  • Ensuring all persons under their charge are competent to perform their tasks
  • Compliance with the MHSA, mine regulations and the Mine's legal appointments

    • WHO ISSUES THE COMPETENT B CERTIFICATE?

    The Competent B examination is set and invigilated by the DMRE (Department of Mineral Resources and Energy). Candidates sit the examination at designated DMRE regional offices. United Training Centre prepares candidates for this examination and assists with exam booking at the nearest DMRE office.

    Why the Competent B is a Legal Requirement Under the Mine Health and Safety Act

    The Mine Health and Safety Act 29 of 1996 (MHSA) is the primary legislation governing health and safety in South African mines. Under the MHSA and the Mining Regulations, specific positions in underground and surface mining operations must be filled by persons who hold Certificates of Competency issued by the DMRE.

    KEY LEGAL PROVISIONS THAT REQUIRE COMPETENT B

    Section 2 — Mine Manager’s Duties

    The Mine Manager is legally responsible for ensuring all persons appointed to positions requiring a Certificate of Competency actually hold valid certificates. A mine that appoints a shift supervisor without a valid Competent B is in direct violation of the MHSA.

    Mine Health and Safety Regulations — Regulation 2.17 — Legal Appointments

    Certain positions on every mine must be legally appointed in writing by the Mine Manager. A Mine Overseer or Shift Supervisor is one of these legally appointed positions. The legal appointment is only valid if the appointee holds the required Certificate of Competency — the Competent B.

    Regulation 2.18 — Competency Requirements

    No person may be appointed or act in a position that requires a Certificate of Competency unless they hold that certificate. A person supervising a mining shift without a valid Competent B is acting illegally under the MHSA.

    Regulation 10 — Fall Protection Plan

    A qualified Fall Protection Planner must develop and implement a fall protection plan for any work above 2 metres. COMSOC 2 covers the requirements for this plan in detail.

    WHAT HAPPENS IF A MINE EMPLOYS A SUPERVISOR WITHOUT A COMPETENT B?

  • The mine is in direct violation of the Mine Health and Safety Act
  • DMR inspectors who discover this during an inspection issue a compliance notice and stop work order
  • The Mine Manager faces personal criminal liability under Section 86 of the MHSA
  • In the event of an accident involving an improperly appointed supervisor, criminal charges and civil liability follow
  • The mine's operating license can be suspended or revoked

    • WHO REQUIRES COMPETENT B IN PRACTICE?

    Every major mining company in South Africa — Anglo American, Impala Platinum, Sibanye-Stillwater, South32, Exxaro, Glencore, Kumba Iron Ore, African Rainbow Minerals and all mid-tier and junior miners — requires all shift-level supervisors to hold a valid Competent B before appointment. Many mining companies now also require Competent B as a condition of employment for senior artisans working in supervisory roles on mine infrastructure.

    Competent B Examination Subjects and What Our Preparation Programme Covers

    The Competent B examination set by the DMRE tests candidates across multiple subjects relevant to underground and surface mining supervision. Our 5-week preparation programme covers every examination subject in depth.

    SUBJECT 1 — MINE HEALTH AND SAFETY ACT (MHSA) 29 OF 1996

  • Full legislative framework — sections, regulations and definitions
  • Duties of the employer, mine manager, supervisors and employees
  • Legal appointments — who appoints, who is appointed and what the appointment means
  • Health and safety representatives and health and safety committees
  • Section 55 and Section 60 — employees' rights and duty to report
  • Tripartite consultation — employer, employee and DMR
  • Investigations, inquiries and penalties under the MHSA
  • DMR inspectors — powers, rights and duties during an inspection This is the most heavily examined subject. Candidates who fail Competent B almost always fail here.

    • SUBJECT 2 — MINING REGULATIONS AND MINE STANDARDS

  • Mine Standards and Procedures — how they are developed and applied
  • Section 9 of the MHSA — codes of practice
  • Risk assessments — baseline, issue-based and continuous risk assessment
  • Safe work procedures — development, implementation and auditing
  • Permit-to-work systems — confined spaces, hot work, isolation procedures
  • Legal appointments under the regulations — appointment letters and their content

    • SUBJECT 3 — STRATA CONTROL AND SUPPORT

  • Rock mechanics principles applicable to underground mining
  • Rock mass classification and support design basics
  • Support standards — packs, props, bolts and cables
  • Hangingwall and footwall conditions — reading ground conditions
  • Seismic events and rockburst awareness in high-stress environments
  • Emergency procedures for hangingwall falls and collapses

    • SUBJECT 4 — VENTILATION

  • Mine ventilation principles — primary and secondary ventilation
  • Ventilation requirements under the Mine Regulations
  • Hazardous gases in mines — methane, carbon monoxide, nitrogen dioxide, hydrogen sulphide
  • Gas detection equipment — types, calibration and use
  • Ventilation failures — procedures and emergency responses
  • Heat stress management in deep and hot mines

    • SUBJECT 5 — EXPLOSIVES AND BLASTING

  • Explosives regulations under the MHSA
  • Types of explosives used in South African mines
  • Safe handling, storage and transport of explosives
  • Blasting procedures — before, during and after blast
  • Misfires — causes, procedures and legal requirements
  • Prohibited practices in blasting

    • SUBJECT 6 — ELECTRICAL AND MECHANICAL SAFETY ON MINES

  • Mine electrical regulations — key requirements for underground equipment
  • Isolation and lockout procedures
  • Safety with conveyors, winches and winders
  • High voltage equipment — approach distances and safety precautions
  • Machinery safeguarding requirements

    • SUBJECT 7 — OCCUPATIONAL HEALTH IN MINING

  • Occupational diseases in mining — silicosis, noise-induced hearing loss, NIHL
  • Mandatory health surveillance — Section 12 obligations
  • Dust sampling and personal dust exposure standards
  • Audiometry requirements and hearing protection programmes
  • Ergonomics and musculoskeletal injury prevention

    • SUBJECT 8 — EMERGENCY PREPAREDNESS AND RESCUE

  • Mine rescue procedures and the Mine Rescue Services Act
  • Emergency preparedness — the mine's emergency response plan
  • Flooding, fire and gas incidents — procedures and responses
  • Communication systems during emergencies
  • Evacuation routes and assembly points

    • What Does Our 5-Week Competent B Preparation Programme Cover?

    Our 5-week Competent B examination preparation programme is structured around the actual DMRE examination format. Every week targets the subjects with the highest examination weighting and the most common failure points.

    WEEK 1 — MHSA ACT AND LEGAL FRAMEWORK

  • Complete chapter-by-chapter study of the Mine Health and Safety Act 29 of 1996
  • All sections, regulations and schedules explained with practical mining examples
  • Legal appointments — how to read, write and apply them in a mining context
  • DMR inspection preparation — what an inspector checks and what gets mines closed
  • Previous DMRE Competent B examination papers — legal knowledge section
  • End-of-week assessment — MHSA legal knowledge under timed conditions

    • WEEK 2 — MINING REGULATIONS, RISK AND PROCEDURES

  • Mine Standards and Procedures — structure and legal standing
  • Risk assessment methodology — baseline, issue-based and continuous
  • Safe work procedures — development and management
  • Permit-to-work systems for high-risk activities
  • Codes of Practice — structure, content and DMRE approval process
  • Supervision responsibilities — what a shift boss must do legally each shift

    • WEEK 3 — TECHNICAL SUBJECTS — STRATA, VENTILATION AND EXPLOSIVES

  • Strata control — rock mechanics, support design and hangingwall management
  • Ventilation — primary and secondary systems, gas detection and legal requirements
  • Explosives — regulations, safe handling, blasting procedures and misfires
  • Occupational health — silicosis, NIHL, heat stress and dust management
  • Electrical and mechanical safety under the Mine Regulations
  • Previous DMRE exam papers — technical subjects

    • WEEK 4 — FULL MOCK EXAMINATIONS

  • Full mock Competent B examination — all subjects, timed under exam conditions
  • Marking and individual subject score analysis
  • Identification of each candidate's weakest examination subjects
  • Intensive review of all failed or marginal subject areas
  • Previous DMRE Competent B papers — full series worked through
  • Exam technique — time management, question interpretation and answer structure

    • WEEK 5 — FINAL REVISION, EXAM BOOKING AND TEST READINESS

  • Final targeted revision of individual weak subjects
  • DMRE exam booking assistance — we identify the nearest DMRE office, complete application forms and submit
  • Documents required for Competent B exam booking — full checklist
  • Exam day briefing — arrival procedure, what to bring, format and timing
  • Last-round mock questions in all subjects

    • INCLUDED IN YOUR R12,000

  • All study materials — MHSA Act, Mining Regulations, examination guides
  • Full set of previous DMRE Competent B examination papers
  • Four full mock examination sessions
  • Individual subject gap analysis and personalised revision plan
  • DMRE exam booking assistance
  • Free accommodation for students from outside the training centre area

    • We Help You Book Your Competent B Exam at the DMRE

    Booking the Competent B examination at the Department of Mineral Resources and Energy requires submitting the correct application forms, supporting documents and employment verification to the relevant DMRE regional office. This process is unfamiliar to most candidates and can delay your exam date if done incorrectly. United Training Centre manages this for every enrolled student — DMRE exam booking assistance is included in the programme fee.

    WHAT OUR DMRE BOOKING ASSISTANCE INCLUDES

  • Identification of the correct DMRE regional office for your examination
  • Assistance with completing the Certificate of Competency application form
  • Employment verification guidance — what your employer must provide
  • Documents checklist for your full DMRE submission
  • Submission follow-up to confirm receipt and exam date allocation
  • Notification of your confirmed exam date so you train toward a fixed target

    • DOCUMENTS TYPICALLY REQUIRED FOR COMPETENT B APPLICATION

  • Original South African ID document or Smart ID card
  • Valid Blasting Certificate (original) — this is a prerequisite for Competent B
  • Proof of relevant underground mining experience — letter from employer on company letterhead confirming position, years of experience and mining operations
  • Completed Certificate of Competency application form (DMRE format)
  • Certified copy of any relevant qualifications
  • Application fee payable to the DMRE

    • Important

    Without a valid Blasting Certificate you cannot apply for the Competent B examination. If you do not yet hold a Blasting Certificate, contact us on +27 81 795 8133 and we will advise you on the fastest pathway to eligibility.

    We submit your complete application, follow up with the DMRE and confirm your exam date. By the end of your 5-week preparation programme, you have a confirmed date to aim for and a complete understanding of every subject that will be examined.

    What Does a Competent B Certificate Mean for Your Mining Career?

    The Competent B Certificate of Competency is one of the most significant career milestones in South African mining. It formally qualifies you for supervisory roles that are unavailable without it — and dramatically increases your earning potential.

    COMPETENT B — CAREER POSITIONS UNLOCKED

  • Mine Overseer — legally appointed supervisor responsible for a section or shift
  • Shift Supervisor / Shift Boss — direct operational leadership of a mining shift
  • Section Engineer — (with additional engineering qualifications, Comp B is the base)
  • Production Supervisor — senior supervisory role in production management
  • Safety Supervisor — appointed safety management role on a mining section

    • SALARY COMPARISON — WITH AND WITHOUT COMPETENT B

    The difference in earning potential between a senior miner without Competent B and an appointed Mine Overseer with Competent B is significant:

  • Senior Miner / Team Leader (no Competent B): R18,000 — R26,000 per month
  • Appointed Shift Supervisor — Competent B holder: R32,000 — R55,000 per month
  • Senior Mine Overseer — experienced Competent B holder: R45,000 — R70,000 per month
  • Mine Captain — Competent B + Competent A in progress: R60,000 — R90,000+ per month

    • THE COMPETENT B IS THE GATEWAY TO COMPETENT A

    Once you hold your Competent B and have accumulated the required supervisory experience, you are eligible to apply for the Competent A — the Mine Manager Certificate of Competency. The Competent A is the highest operational qualification in South African mining and qualifies you for Mine Manager and Mine Captain roles with salaries exceeding R100,000 per month at senior levels. United Training Centre offers Competent A preparation — see our dedicated Competent A page.

    DEMAND FOR COMPETENT B HOLDERS

    South Africa’s mining sector — gold, platinum, coal, chrome, iron ore, manganese and base metals — is one of the largest employers of professionally qualified supervisors in the country. The DMR’s strict enforcement of the MHSA means that every operating mine must have Competent B holders on every shift. This creates sustained, high-paying demand for qualified Mine Overseers across all mining regions — Mpumalanga, Limpopo, North West, Gauteng, Northern Cape and KwaZulu-Natal.

    Related Mining and Safety Courses at United Training Centre

    Progress your mining career further with these courses at United Training Centre:
    Competent A Certificate Preparation South Africa
    Mine Manager Certificate of Competency — the highest mining qualification
    R15,000
    6 Weeks
    COMSOC 1, 2 and 3 — Construction Safety Officer
    CETA accredited safety officer qualification
    R15,000
    4 Weeks
    Safety Officer Course South Africa
    OHS Act and construction safety
    R8,500
    2 Weekss
    First Aid Level 1, 2 and 3
    Accredited workplace first aid
    R2,500
    5 Dayss
    Fire Fighting Basic
    Fire response and extinguisher use
    R8,500
    2 Weeks
    HIRA — Hazard Identification and Risk Assessment
    Workplace hazard identification and risk assessment
    R8,500
    2 Weeks

    What Our Competent B Preparation Students Say

    "I had been working underground for nine years and held my Blasting Certificate for four. My mine was pushing me to get my Competent B but every time I tried to study on my own I couldn't get through the MHSA sections — the legal language is very dense and difficult to apply. I enrolled at United Training Centre in Witbank and the difference was immediately clear. The instructors have real mining experience — they explain the MHSA sections using actual mine situations, not just theory. Week four's mock exams were exactly what I needed — I could see exactly where I was losing marks. They also handled my DMRE booking completely. I passed the Competent B examination on my first attempt. My salary increased by R19,000 per month when I was formally appointed as Shift Supervisor. I am already planning to do the Competent A through United Training Centre."
    — Solomon D, Witbank
    Competent B — Passed First Attempt. Now appointed as Shift Supervisor — Underground Gold Mine

    Learn More From

    Competent B Certificate South Africa — Frequently Asked Questions

    A Competent B certificate is a Certificate of Competency issued by the Department of Mineral Resources and Energy (DMRE) under the Mine Health and Safety Act 29 of 1996. It certifies that the holder is competent to be legally appointed as a Mine Overseer or Shift Supervisor on a South African mine. It is a legal requirement for anyone supervising a mining shift and is the prerequisite for the Competent A mine manager qualification.
    Competent B qualifies the holder to be appointed as a Mine Overseer or Shift Supervisor — a shift-level supervisory position. Competent A qualifies the holder to be appointed as a Mine Manager — the most senior operational position on a mine. Competent B is a prerequisite for Competent A. You cannot apply for the Competent A examination without first holding a valid Competent B certificate and the required supervisory experience.
    Yes. Under the Mine Health and Safety Act 29 of 1996 and the Mining Regulations, no person may be appointed or act in the position of Mine Overseer or Shift Supervisor without holding a valid Competent B Certificate of Competency. A mine that appoints a supervisor without a valid Competent B is in direct violation of the MHSA and faces compliance notices, stop-work orders and criminal prosecution of the Mine Manager.
    To write the Competent B examination you must hold a valid Blasting Certificate (the entry-level mining Certificate of Competency), have relevant underground mining experience, be employed at a mine (or have recent mining employment history), and submit a completed Certificate of Competency application with supporting documents to the DMRE. United Training Centre assists all candidates with eligibility verification and DMRE application submission as part of the preparation programme.
    The Competent B examination covers: the Mine Health and Safety Act 29 of 1996 (the most heavily examined subject), Mining Regulations and Mine Standards and Procedures, strata control and support design, mine ventilation and gas detection, explosives and blasting regulations, electrical and mechanical safety, occupational health (silicosis, NIHL, heat stress), and emergency preparedness and mine rescue. United Training Centre’s 5-week programme covers all of these subjects in depth.
    The Competent B exam is booked at the nearest DMRE regional office. You must submit a completed Certificate of Competency application form, your original Blasting Certificate, employer confirmation of your mining experience, and your South African ID. United Training Centre assists all enrolled students with the full DMRE application and booking process — exam booking assistance is included in the preparation programme fee.
    United Training Centre’s Competent B preparation programme runs for 5 weeks. This covers all examination subjects, full mock examinations and DMRE booking assistance. The MHSA legal framework is the most time-intensive subject and requires full weeks of structured study to master at the examination level required by the DMRE.
    United Training Centre’s 5-week Competent B preparation programme costs R12,000. This includes all study materials, the MHSA and Mining Regulations reference pack, full sets of previous DMRE examination papers, four full mock examinations, individual gap analysis, DMRE exam booking assistance and free accommodation for students from outside the training area. The DMRE examination fee is payable separately to the government.
    An appointed Mine Overseer or Shift Supervisor holding a valid Competent B certificate earns between R32,000 and R55,000 per month depending on the mining commodity, mine depth and employer. Senior Mine Overseers with experience earn R45,000 to R70,000 per month. Mine Captains progressing toward Competent A earn R60,000 to R90,000 or more. The Competent B certificate typically increases a miner’s monthly income by R14,000 to R30,000 upon formal supervisory appointment.
    Yes. The Competent B Certificate of Competency examination is applicable to both hard rock and coal mines in South Africa. The core legislative framework (MHSA) is the same across all mining sectors. Certain examination subjects — particularly ventilation (methane management) and explosives — have coal-specific components that United Training Centre covers in the programme. Our instructors have experience across gold, platinum, coal and base metal mining environments.

    If you fail the Competent B examination you must wait the prescribed period before reattempting the failed subjects. The DMRE will inform you which subjects you failed. United Training Centre offers targeted preparation for failed subjects — we focus specifically on your weak areas so your next attempt is a different result. Contact us on +27 81 795 8133 if you have failed a Competent B subject and need to reattempt.

    No. The Blasting Certificate and the Competent B are separate Certificates of Competency. The Blasting Certificate authorises the holder to conduct blasting operations. The Competent B authorises the holder to be appointed as a Mine Overseer or Shift Supervisor. You must hold a valid Blasting Certificate before you can apply for the Competent B examination. Contact United Training Centre on +27 81 795 8133 to confirm your eligibility.

    Yes. United Training Centre provides free accommodation for Competent B preparation students from outside the training centre area at all 5 branches — Nelspruit, Germiston, Witbank, Polokwane and Rustenburg. The 5-week programme requires full daily attendance and free accommodation removes the commuting burden entirely. Contact us on +27 81 795 8133 when enrolling to arrange your accommodation.

    Ready to Pass Your Competent B and Step Into Mining Supervision? Enroll Today.

    The Competent B Certificate of Competency is the qualification that moves you from operator to supervisor — and doubles or triples your monthly income in the process. Nine years of underground experience without a Comp B or five weeks of preparation and the career you deserve. United Training Centre prepares you for the DMRE examination, handles your booking and makes sure you walk in ready to pass.

    32 Bell Street, Nelspruit Central
    +27 81 795 8133
    +27 73 260 7172
    machinery.training247@gmail.com
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    Monday to Saturday: 08:00 — 17:30
    Sunday: Closed