|Ross & Baruzzini provided retro-commissioning services for three engineering buildings on the Washington University Danforth Campus, with the goal of identifying and implementing measures for energy savings, as well as operational and facility improvements. |
This effort will help support Washington University’s Strategic Plan for Sustainable Options, which includes aggressive energy and carbon reduction goals by 2020. The three buildings included in this retro-commissioning project included:
• Urbauer Hall – 65,000 sf Engineering Research and Classroom Building
• Lopata Hall – 45,000 sf Science Classroom and Engineering Building
• Jolley Hall – 55,000 sf Engineering Laboratory Building
For each building, Retro-Commissioning Measures (RCMs) were identified that will provide energy savings and improve operations. RCMs being implemented include optimizing existing HVAC control sequences and set-points, identifying and fixing equipment capacity, demand-based occupant controls for ventilation and lights, reconfigurations to allow for economizer (free cooling) operation, lighting replacements with LEDs, and corrections to ventilation rates & building pressure controls.
Additional operational improvement measures included re-commissioning of existing terminal units, fixing heating and cooling issues in problematic spaces, and identifying/ resolving building envelope leakage issues.
This project is in the final stages of implementation. Projected energy savings are approximately $50,000 per year, with an initial investment of roughly $300,000, and simple payback of 6 years.
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