We're working on a core and shell project and the owner is interested in not installing insulation, but having that as a tenant finish-out item. The spaces won't be conditioned until tenants move in and install the insulation. How do we model the building for EAc1? With or without the insulation?
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 7, 2012 - 9:41 am
I know I don't know the details but at first glance this sounds like just a bad idea. What climate zone is it in? Many of the climate zones require continuous insulation and depending on the building's construction, it is potentially impossible to get continuous insulation installed after the fact.
For LEED you would model this situation as identical to the baseline since the "system" has not been designed.
Heather Holdridge
Sustainability DirectorLake|Flato Architects
111 thumbs up
September 7, 2012 - 9:44 am
This is in the Cayman Islands. The plan is to have 1.5" of continuous rigid insulation and 3.5" cellulose in the studs. My initial recommendation to the team was to include the rigid insulation as the core and shell and leave the cellulose for tenants to finish out -- Glad to hear I was on the right track.
Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
September 7, 2012 - 10:21 am
That certainly sounds like a better idea. To claim credit for the cellulose there would likely need to be a specific requirement in the lease agreements requiring the tenants to install it.