Sunrise Dam Gold Mine – 11kV / 33kV Powerline Upgrade

The objective of the upgrade was to increase the supply capacity of the existing reticulation to its maximum derated capacity as well as providing of a power supply connection point for the new underground feeder located at the surface of the Pit Ram area of the mine site.  This included:

• Civils / earthworks including construction of concrete footings for all poles, as well as trenching and conduit installation in preparation for HV cable installation.
• Modifications to existing poles, as well as the supply and installation of new cable termination poles, a recloser pole, switch pole and deviation poles.
• Redesign  of  stringing  charts  and  installation  of  all  overhead  lines  utilising  tension stringing methods.
• Supply and installation of all auxiliary and ancillary equipment including cable ladder, conduits, cable supports, buried services and all earthing equipment.
• Installation  of  two  kilometres  of  client  supplied  HV  underground  cables  utilising conventional winching techniques whilst complying with manufacturers recommended installation methods.
• Supply and installation of all cable ladder etc. to adequately support the power supply cables between the Power Station Switchboard tiers to the northern corner of the power station compound.
• Site testing, commissioning and handover of all electrical works.
• Provision of training for operators.