LEED v4.1 Integrative Process (IP) Credit Category. LEED Leadership in Energy and Environmental Design v4.1 developed by US Green Building Council (USGBC) + LEED v4.1 launched 2019 as evolution from LEED v4 (2013) + LEED v2009 + LEED 2.2 + LEED 2.1. Five LEED rating systems: (1) LEED Building Design and Construction (BD+C) - New Construction + Core and Shell + Schools + Retail + Hospitality + Data Centers + Warehouses and Distribution Centers + Healthcare; (2) LEED Interior Design and Construction (ID+C) - Commercial Interiors + Retail + Hospitality; (3) LEED Building Operations and Maintenance (O+M) - Existing Buildings + Schools + Retail + Hospitality + Data Centers + Warehouses; (4) LEED Neighborhood Development (ND) + Plan + Built Project; (5) LEED Homes - Single Family + Multifamily Low-Rise + Multifamily Midrise. LEED v4.1 Cities and Communities + LEED Zero (Zero Energy + Zero Carbon + Zero Water + Zero Waste). Certification Levels: Certified 40-49 points + Silver 50-59 + Gold 60-79 + Platinum 80+. IP Credit (1 point) requires early integrative design charrette with multidisciplinary team (architect + engineers + commissioning agent + occupant representative + facility manager + LEED AP) + pre-design discovery + energy and water analysis + iterative cross-system optimisation. Coordination with Green Business Certification Inc (GBCI) third-party certifying body + LEED Online platform + LEED AP credential.
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