Think. Solve. Do.

Looking at the big picture.

Hands-on engineering.

From planning to handover.

Practical thinking. Proven solutions.

Passionate about engineering

With a proud history of over 30 years servicing the New Zealand and international industry, we hold a unique position within the engineering sector. We offer a wide range of electrical engineering and project management skills and are closely allied to Consultants with complimentary disciplines to provide a complete engineering service.

From planning to handover

Our services include investigative and feasibility studies, engineers costs estimates, detailed design, project management and commissioning assistance. The McMahon approach is very much ‘hands on’ with in-house experience to complete total electrical, instrumentation, and control designs, through to installation supervision and plant commissioning.

Generation

Hydro
Geothermal and steamfield control
Diesel generation
Gas generation
Generator control system refurbishment

Distribution

Overhead and underground network design
Equipment specifications
Switchyard designs
11kV to 110kV networks
Earthing
Protection

Industrial

LV distribution
Cable support design
Switchboard replacements
Motor control
Power factor correction
UPS installations

Control Systems

Functional descriptions
Control & SCADA system specifications
Automation hardware system design
PLC & DCS software configuration
Instrumentation specification and design

Engineering Services

Equipment condition audits
Computer Aided Design
Manual draughting services
Complete power system modelling and analysis
Arc flash studies
Power quality investigations

Project Management

Feasibility studies
Cost estimates
Project planning
Financial monitoring
Site supervision
Commissioning