Controlling The Key is Key: System Security at NBC Tower

It seemed a small thing, but Steve Castans knew how crucial it was. Castans, the Security Director at the TOBY Award-winning NBC Tower, wasn’t happy with the existing system they had in place to keep track of the many keys required to secure the many locations on the property. And he knew that regardless of […]

Lionheart on Track to be King of Power

By John Fanning When a major hospital and trauma center in Alaska began experiencing intermittent failure on more than one of their Automatic Transfer Switches (ATS) feeding critical load, real concern quickly spread through their facility staff. Alaska has been known to experience some harsh weather and extreme temperatures. They also, on average, experience 12,000 […]

Importance of Effective Microbiological Control in Open Cooling Tower Systems

Open cooling tower systems employ evaporative cooling to remove heat from manufacturing process and comfort cooling applications, such as building HVAC systems. Compared to air cooling, evaporative cooling can be a more cost-effective and energy-efficient process. For example, a 500-ton water-cooled chiller operating at 60 percent load uses 47 percent less energy than an air-cooled […]

Modernizing The Chicago Federal Reserve

By John Fanning Fueled by the success of the Broadway musical Hamilton, Americans seem keenly more interested in learning about the U.S. Treasury and the nation’s Federal Reserve System, which is central to the economy of the United States. We at the Chief Engineer, coincidentally, are always interested in learning about industrial and commercial facilities, […]

In Hot Water (Lack of) Hot Water: Digital Mixing to the Rescue

Most hotel managers have learned through experience that their toughest, crankiest customer is an unhappy guest at midnight or 5:00am. They’ve either just woken up and have to move out posthaste or, after a long day of travel, they need to turn in immediately. But the “hatchet’s in hand” if there’s insufficient pressure — or […]