The architect determines project eligibility for the building reuse credit based on pre-design assessment. A project is eligible if it is reusing an existing structure with no addition, or if the total gross square foot of the final project with the new a

The architect determines project eligibility for the building reuse credit based on pre-design assessment. A project is eligible if it is reusing an existing structure with no addition, or if the total gross square foot of the final project with the new addition would be less than two times the gross floor area of existing floor area. Use the Documentation Toolkit calculator to determine eligibility.