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The Hidden Costs of Escalators: An Energy Efficiency Case Study at Valley River Center

This case study by Kevin Chao and team examines the energy inefficiency of escalators at the Valley River Center in Eugene, Oregon. It focuses on how often the escalators are used versus the energy they consume. The findings reveal that these escalators are in use for less than half of business hours, leading to significant energy waste and unnecessary costs. With an annual expenditure of over $8,300 due to constant running, this analysis suggests a need for better design and management of escalator resources in retail environments.

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The Hidden Costs of Escalators: An Energy Efficiency Case Study at Valley River Center

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  1. Caught On The Rise “Escalators chewing up dollars and sense” A Case Study by Kevin Chao, Sarah Oaks, Lee Rommes, & Sarah Thomas Valley River Center, Eugene, Oregon. March 19th, 2007

  2. Introduction • Escalators are a great convenience, but what do they cost us? For our case study, we explored how much time the mall escalators at the Valley River Center were being used, directly reflecting what percentage of the energy put into the escalator is wasted on a daily basis.

  3. Precedent Team OtisCOOL TOOLS Dallas, TX January 27, 2007 A case study by: Walter Grondzik, Daniel Faoro, & Alison Kwok 12-hour use interval [$1.488/h (cooling) + $0.414 (motor)] x 12 hours = $22.824 per day On a year $22.824 per day x 365 = $8,330.76

  4. Hypothesis • Constantly running escalators are not occupied during 50% of observed - - - business hours, resulting in energy losses.

  5. ECSers in Action!!!

  6. General Information Energy Prices (Commercial Energy Rate: http://www.eweb.org/news/projects/rates.htm) Escalator Specifications (MEEB reference pg. 1472)

  7. Data/Observations Minutes of Escalator Occupancy

  8. Analysis

  9. Conclusion Escalator Resource Misappropriation After reviewing the data, we have found that we met our hypothesis that the escalators were being used less than 50% of the time at the Valley River Center Mall; therefore the escalator is not properly designed for the space and wastes energy when not in use.

  10. Thank You Team Otis; Walter Grondzik, Daniel Faoro, & Alison Kwok Ady Leverette

  11. Question & Answer It’s that time again!

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