Forum discussion
Hi,
Regarding option 1, there are clear requirements to the calculation grid and evaluation plane. Do the same requirements apply for option 2?
Thanks!
Sarah
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Jill Perry, PE
ConsultantJill Perry, LLC
LEEDuser Expert
440 thumbs up
January 25, 2016 - 12:37 pm
There may be clearer information in the reference guide (IES LM 83-12), which I don't have, although I doubt it based on the title of this document.
In the absence of a direct answer to the question, if I were going to do the calculations myself, I guess I would go by the Step-by-Step Guidance and the examples which indicate to me to follow the Option 3 spacing (since they reference Fig.3 of the example) of 3'x3' for spaces under 150 sf and 10' spacing for spaces over 150sf.
This is the non-conservative approach. If the team wants to do a more conservative approach (meaning more likely to get accepted by the LEED reviewer but more time-consuming and expensive) I would follow the Option 1 spacing of 2'x2' for all spaces.