Hobbs Bay WWPS Electrical Upgrade
Hobbs Bay Wastewater Pump Station is a critical transmission pump station in the Watercare Orewa and Whangaparoa wastewater catchment area being the last pump station before the waste water treatment plant at Army Bay. The project involved the design, installation and construction supervision of a new electrical switchroom, new supply transformer, new main switchgear, soft-starters, […]
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 […]
Kawakawa Bay Wastewater Treatment Plant
The Kawakawa Bay wastewater treatment plant and vacuum pump station replaced an aging sceptic tank system that caused considerable pollution to the Kawakawa bay shore front and groundwater. This was the first in New Zealand to use a vacuum waste water collection system. McMahon Involvement Complete electrical, control and instrumentation design Software management Installation supervision Site […]
Te Aroha Wastewater Treatment Plant
Electrical, instrumentation and control design for the upgrade of the Te Aroha Wastewater Treatment Plant McMahon Involvement Electrical, control and instrumentation design Control software and SCADA screens Equipment and installation specifications Installation supervision Site commissioning
Wastewater Pump Station Cabinets
Replacement of over 60 road side wastewater pump station electrical and control cabinets within the greater Auckland area. McMahon Involvement Site investigation Civil site surveys and cabinet base design Software management Project management Installation supervision Site commissioning