We have an existing two-story community recreation center with an adjacent parking lot. Most(about 75%) of the building interior will be renovated, with some new windows added to the perimeter. Since the project includes renovation to the parking lot (removing spaces to add vegetation), we have assumed the project falls under NC v2009. The building contains a two-story gymnasium which is about 25% of the building area; no work will be performed in this room. It's in the corner of the building, so two walls border interior spaces and two walls border the outside. Can we exclude the gym from the LEED project boundary? If so, where do we draw the line and what of the walls, slab, roof do we include/exclude?