FAQs about EAp2 :

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?

Our project has a diesel backup generator. Should we include it in our energy model?

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?

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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

EA p2 Section 1.4.xls

First time submitting NC 2009 V3 forms. Filling out the EAp2 Section 1.4. xls file. - Seems so redundant to have to fill out this excel form, when all the data can be found in the output files of the energy modelling programs. This credit also suggests the use of the ASHRAE compliance forms. What method is best for submitting? All the forms? or a copy of the energy modelling programs? What is typically required? Also, for the Lighting Section 1.4.5- ASHRAE 90.1 requires compliance to be Space by Space or Average. Why is the energy model not sufficient?

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Fri, 08/12/2011 - 19:32

Redundant? yes and that's why you have to be extra careful not to contradict yourself in all the documentation. Unfortunately all software programs give you different outputs and I can see why the GBCI what's it all in their format. So the compliance forms submit only what is required. More paper just means more reading for the reviewer. Unless you need to explain something in more detail, because it's not clear in the documents. Don't submit the program file just the reports required (see also last page of the LEED Online form). For the lighting unfortunately unless your software creates a report with the calculation per Space by Space or building method you will have to do provide the calculation for that.

Wed, 10/26/2011 - 18:26

I suggest you fill out 1.4 before you start the model, and use it to be sure your inputs are what you want them to be. It can even become part of you Basis of Design.

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