Government/Institutional HVAC

Plan For A Better BAS

In a campus environment over time, it’s not hard to lose control of the controls. When you tackle the situation for the long-term good, take time to create a master plan. Get a few tips on that here
By Jeffrey Seewald, P.E,
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In a campus environment over time, it’s not hard to lose control of the controls. When you tackle the situation for the long-term good, take time to create a master plan. Get a few tips on that here, and then move on to issues such as protocols, access, graphics, and trending. Your best possible BAS is not out of reach.
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Case In Point

Natatorium dehumidification goes swimmingly, aided by geothermal and heat recovery

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The city of Côte Saint Luc in Quebec recently opened its new Aquatic and Community Centre with a cost of $18 million. While this may seem like a hefty price tag, the city will be saving millions of dollars on energy costs, thanks in part to the center’s HVAC system.
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Cover Story

Building On A Swedish Tradition

The American Swedish Institute looked homeward to plan for its future, using geothermal technology to achieve high-performance energy solutions in an urban setting.
By Craig Lemma and Scott Litchty, P.E.
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Reflecting a long-established Swedish commitment to environmental stewardship, the Nelson Cultural Center addition at the American Swedish Institute (ASI) in Minneapolis integrates several technically advanced sustainable features, including a high-efficiency geothermal heating and cooling system that reduces energy consumption by nearly 30 percent (based on an ASHRAE 90.1 baseline) while supporting the Institute’s diverse community programming.
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The Challenges Of Federal Government Procurement

With a collaborative design approach and the choice to forego networking protocols, this nuclear facility’s controls upgrade points toward an atypical alternate for success.
By Kevin Brooks
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The procurement process used by the U.S. government (or its contractor) can follow one of several different paths. Usually, an equipment specification is written that contains performance criteria and other requirements. A solicitation is then released and potential sellers competitively bid for the work.
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Married at the Courthouse: VRF & Geothermal

By Vic Amoroso, P.E.
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The author’s longtime interest in bundling efficiency techniques in a single system eventually led him to a new pairing: VRF zoning technology and geothermal design. See how he got there and how this couple played out for an historic 107-year-old Iowa courthouse that serves the law through the area’s brutal winters and humid summers.


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Case in Point

Alaska federal building warms to GSA requirements with wood pellet boiler

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Wood pellet boilers were a key innovative component of the recent $4.7 million upgrade at the Ketchikan Federal Building in Ketchikan, AK. The 1930s-era, six-story building had a 47-yr-old steam boiler system that was at the end of its useful life and was providing inconsistent heat to the building.
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Innovation in Renovation: A Hunt for Gold

By Zuhair Hasan P.E., LEED
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What does a full-scale modernization on a 90-yr-old federal building and courthouse look like when it aims for federal energy goals and LEED status? Chiller plant and hot water/boiler overhauls are just the start. Aggressive lighting and water treatment/conservation strategies also contribute to the GSA’s effort to throw the book at this Alabama retrofit.
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Public Art Gallery AHU Trend Analysis

By Rebecca Thatcher Ellis, P.E.
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The $4,000/yr problem was not on display for, or even noticeable by, visitors and staff.
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Case In Point

Renovating HVAC systems at Air Force Base achieves energy goals

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Two energy recovery units saved this Air Force Base hangar $24,500 in heat recovery costs. United States Air Force personnel sought a solution to renovate the makeup air and exhaust
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Thermal Energy Storage Benefits And Sensible Systems

By Shaw Gentry EIT and Lucas B. Hyman P.E., LEED
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Some thermal storage media are familiar to most of us, but what about gravel? Or lake water? See how those can work in the right environments, and tuck this away as a general refresher on thermal storage concepts and options for use in hospitals, data centers, and elsewhere.
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2014 September

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