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

CS-2009 EAp2:Minimum Energy Performance

Retail and scope for Eap2

I have a commercial building that will apply for LEED Certification that has the following situation: • The groundfloor has only retail stores in this pavement and the lobby. The corporate use starts from the first floor. • The stores will not have anything delivered in the owner´s scope – no lighting, flooring and HVAC system. My doubt is about the LEED boundary and how should I consider this retail stores in the certification. I have 2 options: 1) Exclude the retail stores from the LEED Boundary – but then the external area around the stores would be still inside the LEED boundary, which would lead me to have a “3D” Leed boundary (just the area of the stores would be excluded from the calculation). 2) Include the stores in the LEED Boundary – IN this case, which numbers should I use for HVAC and lighting power density when simulating the model? Should I use the same numbers as the baseline model?

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Thu, 04/19/2012 - 19:03

According to the MPRs you can't gerrymander the LEED project boundary to exclude these spaces. Spaces with a cold, dark shell should model these spaces identically in the Baseline and Proposed according to the Baseline requirements.

Thu, 04/19/2012 - 19:18

Thanks a lot Marcus!

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