Field Services

Plant Upgrades

Engineering Services

Inspection, Repair
and Maintenance



As the nation’s leading manufacturer of pressurizing and circulating plants, MAC offers it’s skills, experience and extensive facilities to bring installed plants to top operating condition, and keep them there. As EHV systems age, it is all important for system reliability, safety and efficiency that pumping plants receive proper and timely maintenance.

The MAC Field Services team...engineers, technicians and journeymen who design, build and install state-of-the-art equipment and instrumentation, provide a complete engineering and maintenance service for pressurizing, circulating and forced cooling plants.

If your plants have been on-line but neglected because of a shortage of experienced engineering and/or maintenance personnel, we can provide all you need to assure equipment reliability. Aging Pumping, Circulating and Forced-Cooling Plants can impede system reliability...

For more than 50 years, MAC has built quality products for the electric utility industry. Among those products, are Pumping and Circulating Plants for Extra-High Voltage Pipe-Type Cable Transmission Systems. Our engineers and craftsmen have custom designed and built products and equipment for some of the most densely populated urban areas in America, delivering on-time delivery... quality and reliability.

Engineering and Field Services

  • Plant Surveys
    Complete engineering surveys yielding a comprehensive evaluation of your plants operating condition. All equipment including pumps, piping, valves, electrical circuits, instrument calibration, and general physical condition of your plants, are evaluated and you are provided with a detailed report.
  • Operating and Maintenance Manuals
    for your plants to which undocumented changes may have been made to wiring, controls, piping arrangement, etc., or in cases where OMM’s just cannot be located, MAC will do a complete engineering and operational assessment study and prepare complete operational, design, and maintenance instructions.
  • Plant Repair and Improvement Recommendations
    Along with an OMM comes a list (if any) of repairs or equipment upgrade that is recommended for improved plant operation and/or reliability. MAC has the on-site capability to repair or rebuild an entire plant.
  • Remote Monitoring and Control Systems
    Retrofit your plants with a comprehensive, easy to use, MAC Remote Monitoring and Control System. It gives your operating personnel remote access to real-time operating data and the ability to remotely control important functions in the plant. It transmits alarms as they occur.