LEED v5 O+M Rating System_February 2026 - Page 031
Extracted Content
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Install automatic window shades or shielding that limit light transmittance to 10% or less during nighttime.
- The lighting in at least 50% of the nonresidential spaces adjacent to the building’s perimeter is controlled to turn off after hours and/or when there are no occupants.
AND
EXTERIOR LIGHTING
Meet at least one of the following measures:
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All nonessential exterior fixtures are turned off between midnight and 6 a.m.
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Meet the exterior lighting control requirements of ASHRAE 90.1-2019, Section 9.4.1.4.
OR
Option 2. Bird Collision Reduction (1 point)
Glass used below specified heights on the exterior of the building and site structures must have a maximum threat factor of 30, as defined in the American Bird Conservancy Threat Factor database.
This applies to all glass, including spandrel glass, when located:
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From grade up to 50 feet (15 meters) measured at all points
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Up to 20 feet (6 meters) measured from the finished grade of a green roof
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At any distance from grade or roof for glass in guardrails and windshields
U.S. Green Building Council LEED v5 Reference Guide for Operations and Maintenance, November 2025 Edition 25