FAQs about EAp2 :

Our project has a large process load—75%. Despite our efforts to make an efficient HVAC design, the cost savings are minimal. What can we do to earn this prerequisite and be eligible for LEED certification? Is there any flexibility in how we model the p

Can SHGC be higher in the proposed than in the baseline model?

Our process load is higher than 25%. Do we have to justify that?

Do I need to justify the electrical and fuel rates I am using in my model?

Our local code references ASHRAE 90.1-2010. Should I use that for my documentation, or 90.1-2007?

Can I claim exterior lighting savings for canopy lighting even though a baseline model cannot include shading elements?

The project is built on a site with existing exterior lighting installed. How should this be accounted for?

Can mezzanines open to floors below be excluded from the energy model?

How do I provide a zip code for an international location?

For a project outside the U.S., how do I determine the climate zone?

For a project outside the U.S., how do I determine the Target Finder score?

Do hotel rooms need automatic light shut-off control?

How commonly are the 90.1 mandatory compliance forms submitted as part of EAp2/EAc1?

The Section 9 space-by-space method does not include residential space types. What should I use?

Can the Passive House Planning Package (PHPP) be used to energy model for LEED?

Is it acceptable to model a split-type AC with inverter technology compressor as a heat pump, like modeling VRF?

Can the Trace 700 'LEED Energy Performance Summary Report' by uploaded to LEED Online in lieu of the Section 1.4 tables spreadsheet?

A portion of our building envelope is historic. Can we exclude it from our model?

Which baseline HVAC system do I use if my building has no heating or air conditioning?

For an existing building, do I need to rotate the model?

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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Multiple buildings simulation

Hello, We are working on a project that has been registered as one single project (NC 2009), but it actually corresponds to three buildings, one is a laboratory, another a distribution storage and the other one for offices. My current approach is to perform the energy simulation for the whole complex, but I am not sure it this will be accepted. Or do I have to model each building separately so that each must comply with the minimum energy performance?

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Tue, 08/07/2012 - 07:19

I would do 3 simulations with 3 baselines (each seperately rotated). the result is total ann. energy cost for all together of the proposed models vs. the total ann. energy cost for all together for the baselines. You will have to submit a narritive to explain your manipulation of the forms on leenonline which would most likely reflect the summation of all 3 in the respective fields.

Tue, 08/07/2012 - 13:30

You might want to do some more digging about submitting three buildings as a single project. I think even USGBC is not clear on what to do. I know it has been done and there is some guidance in the campus guidance part 1 document. This note however is on the web site - Note: Until Part 2 of the 2010 AGMBC is released, each individual building or space must be registered and certified separately under a LEED 2009 rating system. See -http://www.usgbc.org/DisplayPage.aspx?CMSPageID=220 I am pretty sure that for EAp2 each building must demonstrate that it meets the minimum requirements (percent savings and mandatory provisions) individually. So if you do submit the three buildings under one submission model them separately and then add together the savings as Jean suggests.

Tue, 08/07/2012 - 16:42

Thanks for your suggestions I was almost sure I had to model each building separately.

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