USGBC LEED for NEW CONSTRUCTION: SS Credit 5.1
Intent
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Conserve existing natural areas
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Restore damaged areas
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Provide habitat space
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Promote biodiversity
Implementation
1. greenfield sites : protect by limiting site disturbance beyond:
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40 ft. of building perimeter
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25 ft. of constructed areas
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15 ft. of roadways
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10 ft. of walkways
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15 ft. of main utility trenches & 10ft. for utilities less than 12in. diameter
2. previously developed sites :
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keep 50% of site green (using native species)
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exclude building footprint in calculation
3. zero-lot-line:
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projects earning SS2 (60,000 sq.ft. min/acre) and using vegetated roofs may apply vegetated roof surface for this calculation
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0% of site area to be green
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include building footprint in calculation

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