If a LEED project includes both existing structure and new construction, the LEED project boundary must encompass the entire existing building regardless of the scope of work within the existing building. The only instance where a portion of an existing b

If a LEED project includes both existing structure and new construction, the LEED project boundary must encompass the entire existing building regardless of the scope of work within the existing building. The only instance where a portion of an existing building may be excluded from the LEED project boundary is if it functions independently with its own mechanical and electrical system.