Caught On The Rise
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Transcript of Caught On The Rise
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Caught On The Caught On The RiseRise““Escalators chewing up dollars and sense”Escalators chewing up dollars and sense”A Case Study by Kevin Chao, Sarah Oaks, A Case Study by Kevin Chao, Sarah Oaks,
Lee Rommes, & Sarah ThomasLee Rommes, & Sarah Thomas
Valley River Center, Eugene, Oregon. March 19Valley River Center, Eugene, Oregon. March 19 thth, 2007, 2007
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IntroductionIntroduction
Escalators are a great convenience, but Escalators are a great convenience, but what do they cost us? For our case what do they cost us? For our case study, we explored how much time the study, we explored how much time the mall escalators at the Valley River Center mall escalators at the Valley River Center were being used, directly reflecting what were being used, directly reflecting what percentage of the energy put into the percentage of the energy put into the escalator is wasted on a daily basis. escalator is wasted on a daily basis.
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PrecedentPrecedent
12-hour use interval12-hour use interval[$1.488/h (cooling) + $0.414 (motor)] x 12 hours = [$1.488/h (cooling) + $0.414 (motor)] x 12 hours =
$22.824 per day$22.824 per day
On a yearOn a year$22.824 per day x 365 = $8,330.76$22.824 per day x 365 = $8,330.76
Team OtisCOOL TOOLS Dallas, TXJanuary 27, 2007
A case study by: Walter Grondzik, Daniel Faoro, & Alison Kwok
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HypothesisHypothesis
Constantly running Constantly running escalators are not escalators are not occupied during occupied during 50% of observed - - 50% of observed - - - business hours, - business hours, resulting in energy resulting in energy losses. losses.
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ECSers in Action!!!ECSers in Action!!!
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General InformationGeneral InformationEnergy Prices
Monthly Service Charge $28.25
Demand Charge $5.00/kW
Energy Charge$0.04479/
kWh(Commercial Energy Rate: http://www.eweb.org/news/projects/rates.htm)
Escalator Specifications
Step Width 32"
Rise 14'
Motor 5 HP(MEEB reference pg. 1472)
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Data/ObservationsData/ObservationsMinutes of Escalator Occupancy
DateTime Period Up (min.)
Down (min.)
Thursday (3/8) 4:15-5:15 PM 13:29 12:05
Friday (3/9)12:00-1:00
PM 24:44 28:21
Friday (3/9) 1:00-2:00 PM 26:53 28:17
Saturday (3/10) 3:30-3:40 PM 31:27 32:15
Sunday (3/11) 3:10-4:10 PM 25:48 25:04
Sunday (3/11) 4:47-5:47 PM 13:04 13:42
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AnalysisAnalysis
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ConclusionConclusionEscalator Resource Misappropriation
Utilized Not Utilized
Money $735.52 $1,184.90
Energy 10883.398 kWh 17532.786 kWh
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.
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Thank YouThank You
Team Otis; Walter Grondzik, Daniel Faoro, & Alison Kwok
Ady Leverette
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Question & AnswerQuestion & Answer
It’s that time again!