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Calvin Witt P.E.

Witt is a vice president with HSMM, an AECOM company, where he also serves as chief mechanical engineer. An honors graduate in mechanical engineering from the University of Virginia, Witt has more than 29 years of experience in the design of complex mechanical systems for both new structures and renovation of older facilities. He is a member of ASHRAE, ASME, and SFPE, and has also written a number of articles for professional publications and journals.

ARTICLES

Forecast: 70

January 1, 2008
Chiller plant retrofits are common. Reliability issues created by using water brought in from the Tidal Basin are not. An existing system involving a special vacuum priming system and a chilled-water jockey pump isn’t exactly commonplace, either. Then you have the chemical treatment concerns since the conditioned space houses priceless artwork. Return with us to the National Gallery of Art to see an interesting design for a project framed by a number of unusual restrictions.

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3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  

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Engineered Systems Magazine

ES April 2014 cover

2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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THE ENGINEERED SYSTEMS STORE

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The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

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Clear Seas Research

Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!

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