Arc Flash: Then vs. Now

November 4, 2016  |  Gerry Donahue

The electrical professional’s knowledge of arc flash is continually changing. Arc flash was a subject barely discussed 20 years ago in workplace safety. Now it is a critical component for all employees. As it evolves, it is vitally important that the electrical system owner, electrical engineer, and employee be aware of the hazards and methods to effectively evaluate and minimize their risks. There are several key standards and codes that provide a process to evaluate | Read More

Classification of Arc Flash Hazards

November 4, 2016  |  Stephen Byers

What we have learned in the past decade while performing flash hazard studies is that there is no ‘One Size Fits All’ method when it comes to classifying the hazard levels at equipment and its subsequent labeling. While NFPA 70E provides general guidelines on what minimum information should be included on a label (see 130.6(D)), there is still a considerable amount of flexibility on how equipment may be labeled and categorized. The more traditional approach, | Read More

Third Party or Design Engineer: Choosing a System Commissioning Strategy

September 9, 2015  |  John Stephens, Mechanical Engineer

Once you’ve built your heat and power systems, it’s important to verify your systems are working correctly. Engaging a system commissioning agent does just that.  In the course of system commissioning, an agent will perform a series of systematic checks and verifications of your components to ensure that they are installed and performing per the contract documents.  The commissioning agent will also ensure that any deficiencies are clearly documented and resolved to the owner’s satisfaction. | Read More

Weighing the Benefits of a Cogeneration Plant

August 26, 2015  |  Jamie Landers, Electrical & Controls Engineer

Is cogeneration the right match for your organization’s energy requirements? In order to determine the answer, you’ll need to consider your institution’s energy use and profile, utility company tariffs and regulations, and future energy needs. The right time Typically, organizations that utilize Combined Heat and Power have significant, continuous, specialized, or mission-critical heating and power needs: institutions such as universities, hospitals and industrial facilities with 24×7 production schedules. Installing a cogeneration unit is a significant | Read More

Combined Heat and Power as a Sustainable Heating Solution

August 25, 2015  |  Jim Pretz, Managing Principal & CEO

Today, many industries and organizations like universities are burning coal to produce steam for their campuses and other organizations. Increasingly, institutions with older heating systems are seeking to replace those systems with cleaner and more cost-effective alternatives. Searching for new solutions Take Ohio. Many of the state’s public universities have signed on to an initiative that will eliminate their use of coal by 2020. One alternative is to replace these facilities’ coal boilers with gas | Read More