Nonstructural roofing material can be omitted from the calculation verifying the percentage of reuse of buildings undergoing major renovation in a LEED for Neighborhood Development project. The calculation typically focuses on structural elements of the building that have a significant impact on the overall sustainability of the renovation.
Reuse Calculation:In LEED-ND, the calculation for the percentage of building reuse considers the retention and reuse of structural and significant non-structural elements during a renovation. This is to ensure that the embodied energy and materials within the existing structure are maximized, reducing the need for new materials and minimizing waste.
Exclusion of Nonstructural Roofing Material:Nonstructural elements, such as roofing materials that do not contribute to the structural integrity of the building, are generally excluded from this calculation. This is because these materials are often replaced more frequently due to wear and tear and do not represent the same level of material conservation as structural components.
Structural Elements Focus:The emphasis is placed on retaining major structural components such as floors, framing, and exterior walls, which contribute significantly to the building’s embodied energy and material footprint.
The LEED Reference Guide for Neighborhood Development provides detailed instructions on how to calculate the percentage of building reuse and what elements should be included or excluded.
TheLEED v4 Neighborhood Developmentdocumentation clarifies the definitions of structural and nonstructural materials in the context of building reuse.
Detailed Explanation:References:For more details, refer to:
LEED Reference Guide for Neighborhood Development
LEED v4 Neighborhood Development
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