McDonnell, who has 37 years of industry experience, is responsible for lead mechanical engineering project design, work planning and staff development in KAI's St. Louis office.

John Volence, PE, CEM, and Scott Bierwerth, PE, have been named principals, and Todd Rohn, PE, and Vince McGilloway, PE, have been promoted to Mechanical Engineering managers.

Pump systems play a critical role in keeping our world in motion. However, specifying parties can often overlook opportunities to improve pump system reliability and efficiency.

The current COVID-19 pandemic has illuminated many weaknesses regarding how we design and construct water systems in our buildings.

The scientific community now has a preliminary grasp of how large a threat the novel coronavirus that causes COVID-19 poses.

A thermostatic mixing valve is a workhorse. Used for domestic hot water temperature control, they have been around for decades.

On Nov. 18, 2020, Froedtert Health, Wisconsin’s largest Level 1 trauma hospital, took its medical air system from one that was at capacity and included code-required redundancy to one with increased capacity, increased redundancy and a level of resiliency that is very impressive

In the past few years, a growing segment of construction professionals in North America has led the move into greener buildings.

A summary of significant revisions of the Uniform Plumbing Code to be published in the 2021 edition: dead legs, expansion tanks, drinking water treatment, medical gas, shower temperature control, POU and POE devices.