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LEED ND: Project | v1.0 pilot

Building reuse and adaptive reuse

GCTc4 | Possible 2 points


Extend the life cycle of existing building stock, conserve resources, reduce waste, and reduce environmental impacts of new buildings as they relate to materials manufacturing and transport.


Incorporate into the project the reuse of one building that maintains at least 50% (based on surface area) of the existing building structure (including structural floor and roof decking) and envelope (including exterior skin and framing, and excluding window assemblies and non-structural roofing material).

Hazardous materials that are remediated as a part of the project scope shall be excluded from the calculation of the percentage maintained (1 point).

For projects reusing portions of two or more existing buildings, 1 additional point can be earned by incorporating into the project the reuse that achieves the greater of the following:

  • 50% of 1 existing building plus an equivalent amount reused among one or more
    buildings (based on surface area, as defined above); or
  • 20% of the existing building stock (based on surface area, as defined above)
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