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CS-2009 EAp2: Minimum Energy Performance

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EAp2 Proposed Design

May 13, 2013

James Wieben

LEEDuser Basic Member

May 13, 2013

I have a CS project in Seattle and would like to use the local energy code as the basis of design for areas outside of the Owner's scope of work. The City Code requires greater efficency than the ASHRAE baseline, but the Lease does not identify the specific standards of the Code, only that the TI work must conform to the Code. Is that considered a sufficently specific Lease language to allow me to use the Code minimums rather than the ASHRAE baseline?

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Marcus Sheffer

LEED Fellow
7group / Energy Opportunities

LEEDuser Expert

5907 thumbs up

May 13, 2013 - 4:29 pm

Seems reasonable to me. You will need to provide a comparison if you will be claiming energy savings for LEED.

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Ben Tucker

President / LEED AP+
Chapman Construction/Design

LEEDuser Basic Member

23 thumbs up

April 11, 2016 - 11:41 am

Hello Jim. I realize this post is quite old but we are using a similar strategy for for the LPD in our energy model (local code is more stringent than ASHRAE) and are curious if the approach was successful for you. Was any special documentation required? Thanks.

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FAQs about EAp2:

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

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

For an existing building, do I need to rotate the 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

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

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?

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

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

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

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

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