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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

EAp2 V6 credit form vs V4 credit form

Shall we use V4 credit form instead of V6 release currently used on LEED online ? the LEED Release is 2009 ID+C retail. Our problem is the Additional Interior Lighting Power Allowance on retail project. If we use ASHRAE 91-2007 the Additional LPA is 2.6 W/ft2 (for Retail Area 3 type), but on the LEED online form the the Additional LPA is 1.4 W/ft2 as recommend from ASHRAE 91-2010, that we don't use it for this project. Do you know if we can decide to use the release before because on that the Additional LPA is compliance ASHRAE 91-2007

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Thu, 12/22/2016 - 20:53

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
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Thu, 12/29/2016 - 17:50

For LEED 2009 projects you normally use 90.1-2007. Assuming you are asking the question in the right forum (2009 NC, EAp2), the additional allowance is based on the proposed design. You are allowed to install up to the allowance and not more. The Baseline model reflects the actual design as well. No savings are allowed to be claimed. You can request to use the older forms (v5) by contacting GBCI. Make sure to use the v5 form with the section 1.4 tables spreadsheet or use the v6 form with the Minimum Energy Performance Calculator. Do not mix the two.

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