LEED LEADERSHIP IN ENERGY & ENVIRONMENTAL DESIGN Benchmark for the design, construction and operation of high performance green buildings. LEED gives building owners and operators the tools they need to have an immediate and measurable impact on their buildings’ performance.
Test Average Savings of Green Buildings ENERGY SAVINGS 30% CARBON SAVINGS 35% WATER USE SAVINGS 30-50% WASTE COST SAVINGS 50-90%
LEED PURPOSES Define green building by establishing a common standard of measurement Promote integrated, whole-building design practices Recognize environmental leadership in the building industry Stimulate green competition Raise consumer awareness of green building benefits Transform the building market
LEED RATING SYSTEM Sustainable sites Water efficiency Energy and atmosphere Materials and resources Indoor environmental quality Innovation and design process
LEED PROJECT TYPES LEED for New Construction: New construction and major renovations (the most commonly applied-for LEED certification) LEED for Existing Buildings: Existing buildings seeking LEED certification LEED for Commercial Interiors: Commercial interior fitouts by tenants LEED for Core and Shell: Core-and-shell projects (total building minus tenant fitouts) LEED for Homes: Homes LEED for Neighborhood Development: Neighborhood development LEED for Schools: Recognizes the unique nature of the design and construction of K-12 schools LEED for Retail: Consists of two rating systems. One is based on New Construction and Major Renovations version 2.2. The other track is based on LEED for Commercial Interiors version 2.0.
CRITICS ON LEED EED rating system is sensitive to local environmental conditions, its checklist system does not vary by the local environmental conditions enough Certification cost goes higher every year Bureaucracy, Time Cost & Point Debating
7 th World Trade Center Architect: David Childs (SOM) - LEED: GOLD
7 th World Trade Center Architect: David Childs (SOM) - LEED: GOLD 30% recycled steel Rainwater cycle: Irrigation & Cool LED Lights + vast natural lighting Meter / tenant Heating steam = generator Recycled material for insulation & interior
Bank of America Tower, NY Architect: COOK+FOX - LEED: PLATINUM Mixture concrete: 55% cement and 45% slag Reduce Thermal Loss CO2 Sensor Ice Cooling System Cogeneration Power Plant Water Sensitive Design Air Filter