The project at hand is ~500,000 sf and contains 4 buildings, each with 2 sub-floors, a ground floor, and between 4 and 11 stories and a district heating source. We are using the Application Guide for Multiple Buildings and the project has a Master Site, 1 block registration, and 1 single building registration. It is clear we need to demonstrate each buildings individual compliance, but we have the following questions: 1) Does each building need to be individually modeled with and without the district heating plant to demonstrate compliance; 2) Do EAp2 and EAc1 submittal forms need to be submitted for each building within the group; and 3) As the project is quite large our idea is to create a representative energy model by building out the geometry of the floors that are different, but then just multiplying the energy use of the floors that are identical rather than putting between 3 and 9 identical floors into the model - would this be acceptable to meet prerequisite and credit requirements?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5921 thumbs up
October 4, 2012 - 12:11 pm
1. No you do not need to model it both ways. If following the DES guidance pick either option 1 or option 2.
2. For EAp2 a separate form for each building would be needed to evaluate compliance. For EAc1 I would assume you add the energy use for all and then determine the percentage achieved for the points.
3. You do need to model the whole building. Modeling identical floors is usually pretty easy as the modeling software I am familiar with has a way to automatically recreate identical floors.