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?

View answers »

Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Exterior lighting power

Hello. One review comments that i have received about E&Ap2 prerequisite is: 2. No exterior lighting power has been modeled for the Baseline or Proposed Case. Confirm that no exterior lighting is included in the building site or revise the models to reflect exterior lighting. Verify that the Proposed Case exterior lighting reflects the actual building design and the Baseline Case reflects the allowed lighting power from Section 9. Ensure that no credit is taken in the Proposed Case for lighting reductions on non#tradable surfaces; additional lighting power allowance cannot be claimed in the Baseline Case for surfaces that are not provided with lighting in the actual design and lighting fixtures cannot be double-counted for different exterior surfaces. Report the tradable and non#tradable surface lighting power separately (in units of Watts or Kilowatts) for both the Baseline and Proposed Case in Supplemental Table 1.4. Update the model and results to reflect exterior lighting if included in the model and is consistent with SSc8: Light Pollution Reduction. I´m updating the Section 1.4 with new version (Jan 2014), and I have a problem with this excell (Secction 1.4): When i input the Total Exterior Lighting Power Modeled (Watts), similar to Total Exterior Lighting Power Calculated (Watts), this cells are coloured red. I don´t understand the reason to happen it. Do I have to include these Kw (exterior lighting) in my Baseline and Proposed models?? Or no. Thanks in advanced

0

You rely on LEEDuser. Can we rely on you?

LEEDuser is supported by our premium members, not by advertisers.

Go premium for $15.95  »

Tue, 10/07/2014 - 16:31

It is likely red because it does not match the value calculated by the form. The form adds the 5% unrestricted allowance. Yes you must include exterior lighting in the models. Note that exterior lighting is a mandatory provision so you must comply with the requirements.

Tue, 10/07/2014 - 16:46

My surprise is that the values ​​are the same. If I match the valou 0, the cells are green. These are tradable surfaces

Wed, 10/08/2014 - 10:24

I've found the error. It is an error of excell (Section 1.4) Must impute all decimal upper cells. I hope that they resolve this cuestion.

Thu, 10/09/2014 - 23:37

Here is a response from Tyler in our office who actually authored the spreadsheet. Yeah I’ve noticed that one too, but it’s not really an error so much as an imperfect formula. It is set up so that the cell turns red if the modeled exterior lighting power does not equal the calculated allowance, but does not account for rounding. So if the allowance is actually 49.99 (which gets displayed as 50) and you enter 50, it will turn red.

Add new comment

To post a comment, you need to register for a LEEDuser Basic membership (free) or login to your existing profile.