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NC-2009 IEQc6.2:Controllability of Systems—Thermal Comfort

Mixed Use Residential with Core & Shell retail on ground floor

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Erica Downs
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The Green Engineer
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hello - We have primarily residential building with two core and shell retail spaces on the ground floor. All the residential units meet the credit requirements, but how do we treat the unfinished retail spaces on the ground floor? Do we follow the C&S requirements just for those spaces? Will one thermostat in each space be sufficient? There are currently no private office areas, just open space. Thanks for any input!

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Thu, 09/19/2013 - 18:34

You need to download the C&S Appendix 1. It will give you defaults on how to calculate the FTE for the space. Also check CIR 10102 for additinal information. If the space will be finished by the Owner you can submit a Letter of Committment saying that when designed and constructed the space to meet the requirements of each Prerequisite and Credit achieved by the intitial LEED project. If it will be fit-out by tenants, then you will need to develope Tenant Guildlines as indicated in CIR 10102. I have not had a project on which I have had to composed tenant guidelines. Check the Plf-1 postings. I think there are some discussions there and other folks who will be able to offer some additional insight on developing Tenant Guidelines. Hope this helps. 8-)
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Erica Downs
LEED Consultant
The Green Engineer
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Thu, 09/19/2013 - 19:29

Hi Catherine - thanks for the input. I should have clarified, we are registered under NC. I have reviewed the C&S App 1 info, and we have used the default FTE for other credits such as the SSc4 credits. However, because there are no private offices or admin areas currently anticipated within the C&S spaces, I would consider both of the C&S retail spaces as entirely "multi-occupant" spaces. Any areas within those 2 spaces would be multi-occupant based on the Space Matrix (merchandising or food service). Typically, one set of controls for a multi-occupant room would suffice, but since we don't have tenants yet, it's a little more complicated. Or am I making it more complicated than it needs to be? We definitely meet the MPR 2 requirements. Less than 5% of the building will be unfinished C&S space at the time of submission, and these will be rental units. Seems like the Tenant Guidelines is the way to go. Hopefully the Owner will buy in. Thanks!

Fri, 09/20/2013 - 14:35

Make sure you review the form for this credit. My project is a LEED-NC for Healthcare, so there may be some differences. I put an inquiry into GBCI regarding how to treat undesigned space. Below is my inquiry and GBCI's response. CUSTOMER INQUIRY: The noted project is an addition. 2nd Floor is not undetermined, future fit-out space...that may or may not have individual workstations/controls. 3rd Floor does not have any individual workstations. All the spaces are multi-purpose spaces. It's a surgical suit. 4th Floor is a mechanical penthouse. There is no information to be input into Table IEQc6.2-1 at this point, so the form is telling me we have not complied with all the requirements of the credit. Can the noted project achieve this credit? Can the project submit "Special Circumstances" and meet the credit requirements without completing Table IEQc6.2-1? Thank you for your time and consideration. GBCI Response: Thank you for contacting the Green Building Certification Institute about achieving IEQc6.1 without completing the table in the credit form. The unfinished spaces make your case similar to a CS project and not easy to achieve. Please see page 527 of the 2009 LEED Reference Guide for Green Building Design & Construction, June 2010 edition. As you get closed to time to submit, the use of these spaces may be more clear. The credit can always be submitted with the construction credits.
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Erica Downs
LEED Consultant
The Green Engineer
LEEDuser Basic Member
188 thumbs up

Thu, 03/17/2016 - 19:48

Hi Catherine - Wanted to follow up with you on this -- did you ever achieve this credit?? We're about to submit, so looking for input...Thanks!

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