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Jon Ziegler Leads Tour of UA Veterinary Science Building Renovation

March 7, 2019

As part of the ARC 421 Building Technology 6: Environmental Control Systems 2 class at the University of Arizona, students were led on a tour of the Veterinary Science and Microbiology Building that is currently under construction undergoing approximately $18M of deferred maintenance upgrades.  The course, taught by Ray Barnes, is designed to cover environmental control systems including heating, refrigeration, ventilation, air-conditioning, plumbing, electrical, lighting, elevators and life-safety technologies associated…

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Long Range Infrastructure Planning

January 3, 2019

Jon Ziegler, PE, GLHN Senior Mechanical Engineer/Analyst presented at the APPA National Conference in Washington, D.C. earlier this year on the process of long range planning for institutional infrastructure.  This included the benefit of utility planning and a review of the tools available through APPA and APPA University. Important reasons to develop a Utility Development Plan (UDP) include: Cataloging capacity of existing utility system Identifying deficiencies by system Gathering/preparing utility…

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GLHN President Publishes Article on Energy-Water Nexus

December 27, 2018

Henry Johnstone, PE, President of GLHN Architects &Engineers, Inc. is raising awareness of the future of fresh water not only domestically, but globally.  Published in District Energy magazine, distributed by the International District Energy Association, Henry’s article explains how district energy will play a large role in the reduction of urban water consumption. “As regional fresh water becomes scarce, the balance of trade offs between cooling energy and water consumption becomes…

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Common Ground Awards Finalists Announced

October 25, 2018

The University of Arizona Health Sciences Building 201 Renovation was one of three projects selected as a finalist in the New Construction & Development category.  The MPA Common Ground Awards event honors projects, community leaders, and programs that have made significant contributions toward bridging divides and finding solutions to complex challenges in creative ways.  The committee recognized the unique collaboration exhibited by the design team and owners for this project. …

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GLHN’ers Tour Sun Mechanical’s New Shop

August 30, 2018

GLHN was thrilled to receive an invitation to tour the new fabrication and manufacturing facility of our long-time partner Sun Mechanical.  Robbie  Howell, Fabrication Shop Manager and Jorge Franco, Sheetmetal Shop Supervisor showed us around their new 30,000 SF state of the art building  that is fully integrated with BIM technology.   The new building allows Sun to fabricate complete systems ahead of scheduled activities which reduces the need for skilled…

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The Future of Tucson on Display

May 31, 2018

What will our city look like in the year 2050?  Second Saturday, a weekly downtown Tucson event, hosted a lively evening of discussion and experiences with a focus on the future our downtown. Tucson 2050 promotes a vibrant community and livable environment without over using our precious water and energy resources. This visionary project is the work of eleven University of Arizona Bachelor of Architecture students and is sponsored by…

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