Glossary Index of Parking Terms

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Light entering the eye directly from luminaires or indirectly from reflective surfaces that cause visual discomfort or reduced visibility.

Green Business Certification Inc. (GBCI)

Green Business Certification Inc. (GBCI) is the premier organization independently recognizing excellence in green business industry performance and practice globally. Established in 2008, GBCI exclusively administers project certifications and professional credentials and certificates within the framework of the U.S. Green Building Council’s Leadership in Energy and Environmental Design (LEED) green building rating systems, as well as the PEER standard for power systems, the WELL building standard, the Sustainable SITES Initiative (SITES), Parksmart, TRUE Zero Waste certification, Investor Confidence Project (ICP) for energy efficiency retrofits, and the GRESB benchmark.

Through rigorous certification and credentialing standards, GBCI drives the adoption of green business practices, which fosters global competitiveness and enhances environmental performance and human health benefits.

Green Roofs

Also known as living roofs or vegetated roofs, are roofing systems that are partially or completely covered with vegetation and planted with various types of plants, including grasses, flowers, shrubs, and even trees. These roofs provide a layer of vegetation on top of the traditional roofing materials, such as waterproof membranes and insulation.

Gross Floor Area (GFA)

Total, gross floor area including the exterior building walls, on all floors of a building or structure.

Gross Leasable Area (GLA)

The gross floor area that is available for leasing to a tenant.

Group S-2 Single-Story Parking Garage

A Group S-2 occupancy classification is designated for parking structures used for the storage or parking of private motor vehicles, such as cars, motorcycles, or light trucks. The parking garage is limited to a single level or story. It does not have multiple levels or additional floors.