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

regularly occupied sf

1) Why is column regularly occupied sf in leedonline EAp2-1 table needed? 2) We have filled out EAp2-1 as per the spaces used in the energy model, not the project per say...i.e. thermal zones, not zones. Is this correct? 3) Our review comments state that the regularly occupied sf must be consistant across credits. We have a model with thermal zones which we declared either regularly occupied or not. The thermal zone may contain areas which are not regularly occupied. We are taking a % approach to subtract these spaces from the thermal zone sf for the sake of the table. The result will be that the project gross sf = 291627, where the model has 297494...the project regularly occupied sf = 142176, where the model has 146673. Is this what the reviewers want?

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Thu, 07/11/2013 - 15:11

1) I don't know. I agree it does not appear to serve any real purpose. 2) Sounds like you filled it out correctly. 3) I am not sure what the reviewer wants beyond a consistency that has no real affect. When we do this review work we do not cross reference the information in the EAp2 form with the other credits that require regularly occupied spaces. There are obvious reason why the value would not necessarily be consistent. I would just explain why it does not match or demonstrate why it really does match. I am reminded of a quote by Emerson, "A foolish consistency is the hobgoblin of little minds . . ." Apologies to the reviewer who is not really to blame, as it is the system which causes these kinds of comments.

Fri, 07/12/2013 - 06:10

Thanks again for the input. I am just wondering if the table is just perhaps, not supposed to have anything to do with the model and its thermal zones, but with the project generally. The typical room list. Perhaps this is not clear to users or reviewers alike. Perhaps the fact that it ended up in this credit form was just because this credit gives the best insight into the project as a whole. I will ask for a clarification.

Fri, 07/12/2013 - 13:10

The table should have to do with the models specifically. There are other areas of the submission like the PIf 1 to 4 that are for general information shared by different credits. It does not make much logical sense to bury something in a prerequisite that might not even be used (if using Options 2 or 3) to obtain general information about the submission. The table is intended to give the reviewers a breakdown of the building by space type and to show any unconditioned spaces. Using the term "regularly occupied" here provides no useful information. Personally I would change it to three columns - conditioned, semi-conditioned and unconditioned. Now that would make sense for the models!

Mon, 07/15/2013 - 19:18

We seem to get "regularly occupied", "occupiable" and "conditioned" confused throughout LEED. All have specific definitions and uses. It would be extraordinary if they were to be the same values.

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