Category Archives: Mechanical Engineering

Central Power Station Upgrades – University of Oregon

Our  Throwback Thursday blog series features posts from back in the day that are just too good to stay at the back of the blog. This installment takes us back before we were even posting blogs! Check out this video from the University of Oregon featuring their 2011 Central Power Station upgrade. Wood Harbinger served […]

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How Length is a Pressure

by Jeff Yirak, P.E., CPMP, LEED AP BD+C, O+M HVAC design engineers frequently calculate pressures, flows, and temperatures of fluids, such as heating water, supply air, or exhaust flow. While atmospheric pressure is currently exerting about 15 pounds of force over every square inch of your body (15 psi), the pressure of the air handling […]

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Reflections on a Summer Picnic

In August, Wood Harbinger celebrated our annual company picnic once again at St. Edward Park in Kenmore. Fun in the sun was had by both Wood Harbinger employees and their families. Entertainment this year included face painting, henna tattoos, a blow-up obstacle course and a caricature artist.

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The Many Useful Benefits of Airflow Measurement

by Jeff Yirak, P.E. CPMP LEED AP BD+C, O+M Summer is a great time to take a vacation. I recently had the pleasure of visiting Jewel Cave National Monument in South Dakota. My first point of advice is to arrive early; we waited about two hours for the next available tour. Once inside, we had […]

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Benchmark Testing Explained

by Paul Greenwalt, EIT I recently read an article about the Chicago Archdiocese’s Archbishop Blase J. Culpich announcement that the Archdiocese will be benchmark testing all of their buildings to confirm that they are as energy efficient as they can be. This got me thinking about the benefits of existing building commissioning as well as […]

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Simple Biofeedback to Help You Remember Things

by Paul Johnson, P.E., LEED AP BD+C Imagine this scenario: you’re all nice and comfy and about to fall asleep at night. Then, all of a sudden, you have an idea or remember something you have to do the next day. What do you do? 

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A Field Trip to Seattle’s Stone 34 Building

by Matt Woo, P.E., RCDD, LEED AP BD+C A handful of my colleagues and I recently had an opportunity to tour the Stone 34 building, located in Seattle’s Fremont neighborhood. Stone 34 is one of the first buildings to follow the Seattle Department of Planning and Development’s Living Building Pilot program, which aims to encourage […]

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Interview with a New Vice President

Bruce Pitts, CPMP, CSBA, LEED AP, was recently promoted to Vice President of Commissioning and Industrial Systems. With over 40 years in the industry and with Wood Harbinger, Bruce has a comprehensive leadership perspective and exceptional breadth of technical expertise. Bruce has led Wood Harbinger’s successful commissioning practice since its inception in the early 1990s.

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Desktop Stereo System: In Pursuit of Excellence

By Jeff Yirak, P.E., CPMP, LEED AP BD+C, O+M In my last post on the subject, I charged a capacitor to install in my desktop car stereo (desk stereo?) system. It’s not much of a system; it’s actually just a 600-watt amplifier bridged for mono channel operation and a 12-inch subwoofer supplementing some typical full-range […]

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