Poly Welder / Pump Person - Newmont Mining Corporation

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Poly Welder / Pump Person - Newmont Mining Corporation

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About This Role

  • To support the butt welding of poly (HDPE) pipes, using a variety of techniques, and connecting in-pit sumps to designated ponds in a safe and controlled manner.

In This Role You Will

Pump Operations Planning and Execution

  • Communicate with and receive instruction from the Dewatering Supervisor before the execution of activities, to determine where water will be pumped to, and to ensure that the system remains open.
  • Conduct inspections on the following aspects, before carrying out work:
    • pipelines and valves for leakages.
    • fuel level of the pump.
    • sumps.
    • boreholes around the pit.
  • Install pumps in a stage/phase approach and connect pipelines to pumps.
  • Complete prestart inspection of pumps and the poly welding machine.
  • Report any identified defects to the Dewatering supervisor.
  • Take flow readings from boreholes and report any detected issues to the Dewatering Supervisor.
  • Request for flow rate feedback from the process plant/water treatment plant.
  • Disconnect all pumps for blasting activities.
  • Check pressure gauges, RPM’s, vacuum gauges and load factors, and record these on the key performance indicator (KPI) sheet.
  • Obtain and take flow meter readings at the start and the end of the shift.
  • Ensue that pumps are inspected and ready to supply water for water bowers for dust suppression purposes.
  • Conduct the installation of standpipes.
  • Ensure safe slipping of pipe along the pit high walls.
  • Monitor the operation of the pumps to ensure that the water in the sump(s) are pumped from the pit to the designated pond.



Poly welding Operations Planning and Execution

  • Understand the type, size and fitting required for the welding of poly pipes.
  • Adhere within the parameters of the job.
  • Clean and prepare plastic surfaces for welding, cutting, gouging, beveling or filing.
  • Shape and bend plastic piping by using hand tools, machines or techniques such as heating.
  • Measure and align pipes for joining using hand tools and measuring equipment.
  • Fuse HDPE sections using various welding, precision and bolting techniques.
  • Clean, file and polish finished welding product.
  • Conduct the construction, installation and laying of pipelines in the pit and the flipping of pipelines over high walls.
  • Maintain QA / QC standards during pipe welding / fusion activities.
  • Fit attachments, connect hoses between the pit and the pond.
  • Carry out welding activities using fusion machine.

General Execution

  • Plan and prioritise own activities daily.
  • Read, interpret and follow drawings and blueprints for direction on every pump and polywelding activity.
  • Obtain the necessary equipment and consumables required to execute tasks from the Supervisor.
  • Ensure that all works-in-progress and activities meet specifications, codes and regulations.
  • Contribute to the achievement of mine water treatment and dewatering production targets.
  • Participate in regular tool and safety audits.
  • Participate in further training for upskilling purposes.
  • Provide verbal feedback to the Supervisor on the activities completed for the day.

Stakeholder Management and Engagement

  • Liaise with the Load and Haul Supervisor to obtain necessary equipment required for pump installations.
  • Liaise with the Hydrotechnical team and submit completed KPI sheets to them.
  • Liaise with the blast crew in understanding blast times to make safety pre-preparations with regards to pumps and piping.
  • Ensure own dewatering and water treatment shift work meets established statutory standards.

Health and Safety Management

  • Inspect work areas and ensure all areas comply with internal Newmont and external regulatory standards.
  • Adhere strictly to internal Newmont water management and dewatering standards.
  • Comply with safe dewatering procedures.
  • Maintain a strong focus of safety throughout all activities.
  • Provide hands-on assistance during operations activities to fellow colleagues to ensure that safe work practices are followed.
  • Attend daily morning safety meetings.

Your Training, Skills & Experience Checklist

Formal Qualification (including Professional Registrations):

  • Senior High School Certificate.



Additional Knowledge

  • MINCOM Equipment Competency.
  • Driver’s License E.
  • General knowledge in mid-to-heavy equipment operation.
  • Ability to interpret fusion parameters.


  • Minimum of 2 – 3 years’ working experience in a polywelding / pump environment within a large open pit mine.

Technical Skills

  • Strong listening skills.
  • Strong concentration skills.
  • Sound planning, organising and prioritising skills.
  • Sound analytical and problem-solving skills.
  • Sound technical communication (written and verbal) and interpersonal skills.
  • Sound information monitoring skills.
  • Ability to understand pumping specifications, pumping curves, flow rates and water pressure.
  • Ability to read and follow blueprints, graphs, charts and plans.
  • Ability to build and maintain positive relationships with peers and supervisor.
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  • The Recruiter reserves the right not to proceed with filling the position.
  • An application will not in itself entitle the applicant to an interview.


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