Mangere Digester Electrical Upgrade

Stage 1 electrical upgrade of the digester area at the Mangere wastewater treatment plant with the installation of supplies and switchgear to enable testing, commissioning and operation of a new eighth digester. The project included the upgrade of the control system for the valves for digesters one to seven.

McMahon Involvement

• Hardware and protection design (LV, MV)
• Planning
• Control system interface
• Equipment specifications
• Installation supervision
• Commissioning assistance