Brauer_RCx_Report_Final_2015-04-28 (1).pdf

Brauer_RCx_Report_Final_2015-04-28 (1).pdf - Retro...

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Retro Commissioning Study of Stephen F. and Camilla T. Brauer Hall March 2015 Submitted by: Department of Energy, Environmental and Chemical Engineering Building Energy Research Center
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Brauer RCx Study Report March 2015 Page i i Acknowledgements Special thanks to the Washington University St. Louis (WUSTL) Facilities Planning & Management, Utility Operations and Maintenance Administration Departments for their tireless support and assistance in answering our many questions and aiding us in unraveling the mysteries of Brauer Hall and its interrelationships with the other buildings and systems in the Silver Zone. Of special note: Art Ackermann Robert Hall Ryan Lynch Ed Berry Craig England Kevin Watkins Diane Padgette Bob Mees Rich Vermillion Special thanks, also, to Phil Valko of the WUSTL Sustainability Department for his support and guidance to the team. We are grateful to the Washington University student interns who assisted us as we jointly worked to develop tools and methods to review systems in the buildings, document space energy requirements and validate system and sensor performance in the building. Their resolute commitment to the process will help to make such efforts even more meaningful to the next set of interns involved in this process. Thanks for being the guinea pigs. Nathalia Fernandes - M. Eng. in Energy, Environmental and Chemical Engineering 2015 Bárbara Andrade de Carvalho - M. Eng. in Energy, Environmental and Chemical Engineering 2015 Amanda Zhaoyi Lin - B.S. Chemical Engineering 2017 Brittany Luntz - B.S. Chemical Engineering 2016 Jake Gordon - B.S. Computer Science 2015 This report was prepared and submitted by the Building Energy Research Center (BERC) within the Department of Energy, Environmental and Chemical Engineering. Dr. Pratim Biswas Ray Ehrhard Tim Michels Craig Jacobson Aaron Michels Swarnali Ghosh Dastider
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Brauer RCx Study Report March 2015 Page ii ii T ABLE OF C ONTENTS 1 Executive Summary ............................................................................................................................... 1 1.1 Next Steps ..................................................................................................................................... 3 2 Background ........................................................................................................................................... 4 3 Building / Systems Description .............................................................................................................. 6 3.1 Architectural .................................................................................................................................. 6 3.2 Mechanical .................................................................................................................................... 7 3.3 Electrical ...................................................................................................................................... 11 3.4 Lighting ........................................................................................................................................ 11 4 Utility Analyses .................................................................................................................................... 13 4.1 Energy usage - Electric ................................................................................................................ 13 4.2 Energy Usage Natural Gas ........................................................................................................ 17 4.3 Energy Production Electric ....................................................................................................... 19 4.4 Energy Use Summary .................................................................................................................. 20 4.5 Utility Costing Analysis ................................................................................................................ 22 5 Recommended Retro Commissioning and Energy Efficiency Measures .............................................. 23 5.1 RCxM-1: Reduce Lab Exhaust and Building Supply Air ................................................................ 23 5.2 RCxM-2: Rework Lab Exhaust Fans LEF 1-3 ................................................................................ 29 5.3 RCxM-3: Lighting Retrofits .......................................................................................................... 30 5.4 RCxM-4: Parallel Pumping Opportunity ...................................................................................... 31 5.5 RCxM-5: Vivarium AHU 5 & 6 Parallel Operation ........................................................................ 32 5.6 RCxM-6: Unoccupied Labs: Drop from 6 ACH to 4 ACH .............................................................. 32 5.7 RCxM-7: Tower Economizer ....................................................................................................... 33 5.8 RCxM-8: Operate Chiller Auxiliaries under VFD Control ............................................................. 34 5.9 RCxM-9: Air Handling Unit 7 ....................................................................................................... 36 5.10 RCxM-10 Improve Toilet Exhaust Operations .............................................................................. 37 5.11 RCxM-11 Improve Server Room Operations ............................................................................... 38 5.12 RCxM-12 Penthouse Lighting ...................................................................................................... 41 5.13 RCxM-13 Duct Static Pressure Reset ........................................................................................... 41 5.14 RCxM-14 Supply Air Temperature Reset ..................................................................................... 42 5.15 RCxM-15 Chilled Water Supply Temperature and Differential Pressure Resets .......................... 43 6 Additional Items to Consider ............................................................................................................... 43 6.1 An Interesting Anomaly ............................................................................................................... 45
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1 E XECUTIVE S UMMARY
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  • Spring '14
  • Michels
  • Energy, The Land, ........., Water heating, Chiller, Brauer Hall

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