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CS-2009 EAp2:Minimum Energy Performance

Building Area Method - highlighting merchandise

For a building I have to use the Building Area Method (ASHRAE 90.1-2007, 9.5.1) because some calculations were already developed through that method and now changing the method would be complicated (the building is very big). For retails, does the value provided in Table 9.5.1 consider also the lighting disigned and directed to highlight merchandise (e.g. in the shop windows)? I see this specification for the Space-by-Space method. Regards

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 07/27/2016 - 13:49

I would guess that it includes merchandise lighting. But it does not really matter. If you are using the BAM that is all you get. To get the extra display lighting allowance you must use the SBS method.

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