EHL provides Engineering, Design and Drafting for upgrading existing Winders and the provision of new Winders, as well as conceptual design to determine the hoisting requirements of the relevant mine or shaft (Man, Rock or Material requirements), budget estimates and project planning. The semi-closed loop Brake System and Electrical Control System was developed for chairlifts, to comply with the latest SANS 273-2007 code of practice, for the design, manufacture, maintenance and safe operation of chairlifts in mines. EHL’s Winders division provides services to the Gold, Platinum, Chrome, Copper and Coal sectors. EHL’s comprehensive experience includes:

  • Engineering design utilising AutoCAD or “SmartPlant"
  • DC or AC Drive Systems and Motors
  • Control Systems with PLC or relay logic functions
  • All categories of safety circuits
  • Design Layout of Control, PLC Equipment Rooms and Ventilation Equipment
  • Brake Control Systems
  • Shaft Communication, Event/Bell Recording Systems
  • MV switchgear and supply requirements
  • LV switchgear and supply
  • Uninterruptible Power Supplies for  Control System Power Reticulation and Earthing
  • Winder Drawings and schedules for cabling and termination
  • Technical Specification, Procurement and Expediting of equipment
  • Quality assurance, factory inspection/acceptance testing and audits
  • Construction Management and Commissioning

Industry Expertise

  • Precious Metals:
  • Platinum & Gold
  • Base Metals:
  • Copper & Chrome
  • Petrochemicals
  • Exotic Metals:
  • Titanium, Zirconium,
  • Hafnium, Magnesium &
  • Silicon
Food & Beverage
  • Other Mining:
  • Coal