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EBOM-2009 EAp2:Minimum Energy Efficiency Performance

Energy Star Space Allocation

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Ed Okon
LEEDuser Basic Member
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Good Afternoon I'm currently composing a plan for LEED EB on an existing manufacturing campus comprised of multiple building types (warehouse, shipping and receiving facility, manufacturing, office space, cafeteria) at about a 1.5 million sq. ft. Unfortunately, Energy Star does not offer a "manufacturing space type" and we will be forced to classify our buildings as "other" and use the alternative compliance path for the majority of these buildings. I'm wondering if: 1) I can subtract process loads from energy consumption data? as majority of our energy is consumed through machines necessary for manufacturing. 2) How critical is it to allocate space in Energy Star for bathrooms, mechanical rooms, etc.? (For example, if I have a 10,000 sf office building, can't I just allocate 10,000 sf to office space? or is it imperative to breakdown all of the other areas?) I appreciate any help anyone may be able to extend my way. Ed Okon

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Tue, 02/08/2011 - 19:37

Eddie, Some thoughts on your issues: 1. Generally speaking, you are not allowed to ignore process loads. You are, however, standardly allowed to normalize them for changes in output production if you have some measurable variable to use (e.g., number of widgets, manufacturing equipment run time, etc). In my experience, occasionally there have been cases where a different approach to evaluating process loads was allowed, but this happened through the CIR process. 2. Within Energy Star, space classifications should generally focus on the main building function and not break out auxiliary spaces, so in your example it would definitely be appropriate to classify the entire are as office. Check out the 2010 LP Guide to Energy Star (http://www.energystar.gov/ia/business/evaluate_performance/pm_lp_guide.pdf) and the Energy Star Guidance for Benchmarking Mixed Use Properties (http://www.energystar.gov/index.cfm?c=eligibility.bus_portfoliomanager_eligibility_mixed)

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