Characteristics of High Performance Green Building · Characteristics of High Performance Green...
Transcript of Characteristics of High Performance Green Building · Characteristics of High Performance Green...
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Characteristics of High Performance Green Buildings
By:
Dr. Musibau A. Shofoluwe
NCA&T State University
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Sustainable construction & Green Building
• The terms, “high performance”, “green”, and “sustainable construction” are often used interchangeably
• Both terms focus on ecological, social, and economic issues of a building
• The major goal of sustainable construction is to create a healthy built environment based on efficient use of resources and smart ecological design
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What is Green Building?
• Green building has been defined in various, but related ways. Examples include:– A structure designed, built, renovated, operated,
or reused in an ecological and resource-efficient manner (Source: CalRecycle.ca.gov)
– A process of creating buildings and supportive infrastructure that reduce the use of resources, create healthier living environments for people, and minimize negative impacts on local, regional, and global ecosystems (Source: Global Green USA)
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Why so much interest in Green Construction?
• Sustainable development has become a global issue
• Global climate change has become an increasingly serious concern for the future
• Concern over the impacts of built environment on natural environment, economy, health, and productivity
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In the United States, buildings account for:
• 72% of electricity consumption
• 39% of energy use
• 38% of all carbon dioxide (CO2) emissions
• 40% of raw material use
• 30% of waste output
• 136 million tons of waste from construction and demolition
• 12% of potable water supplies
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Elements of Sustainable (Green) Buildings
• Sustainable site development
• Water conservation and savings
• Energy efficiency
• Resource Efficient Materials
• Healthy Indoor environmental quality
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How is Green Building Created?
• Green building uses whole-building (integrated) design concept to achieve energy, economic, and environmental performance of building.
• By using principles and methodologies of sustainable construction
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Elements of Integrated Design
• Green construction should be based on integrated design process to ensure its success
• Decision should be made early whether to incorporate green building strategies
• Start early – during conceptual phase
• Encourage collaboration – involve all parties involved early in the project
• Make commitment – Emphasize the importance of following green construction principles
• Clear goals must be set – Provide specific direction for the project and establish performance standards
• Encourage feedback from project team members
• Analyze cost – Review cost periodically to just green integration
• Organize a Charrette – to create a clear vision for the project
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U.S. Green Building Council (USGBC)
• L – Leadership in
• E – Energy &
• E – Environmental
• D – Design
• Rating System created by the U.S. Green Building Council (USGBC) that is nationally accepted as a standard for the design, construction, and operation of high performance green buildings.
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LEED Green Building Rating System is:
1. Voluntary
2. Consensus-based
3. Market-driven
4. Based on accepted energy and environmental principles
5. Performance-oriented system; Points are earned for satisfying performance criteria
6. Levels of green building certification are awarded based on the total points earned.
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LEED Rating Systems
• LEED for New Construction
• LEED for Core & Shell
• LEED for Schools (K-12)
• LEED for Health Care
• LEED for Retail
• LEED for Commercial Interiors
• LEED for Retail Interiors
• LEED for Existing Buildings
• LEED for Existing Schools
• LEED for Homes
• LEED for Neighborhood Development
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Level of Certifications
• Certified (40-49 points)
• Silver (50-59 points)
• Gold (60-79 points)
• Platinum (80 + points)
• NOTE: Only buildings can get LEED Certified – not people. Only individuals become LEED AP – not firms
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Why is LEED important?
• Reduces operating costs
• Enhances Building marketability
• Increases worker productivity
• Reduces potential liability resulting from
indoor air quality problems
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Who is involved in LEED?
• Governments
• Non-governmental organizations
• Civil servants
• Environmental activists
• Local government officials & community groups
• Development agencies & grassroots organizations
• Planners and commercial developers
• Industrial & environmental agencies
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Benefits of Green Buildings
• Environmental Benefits– Protect ecosystems & biodiversity
– Improve air and water quality
– Reduce solid waste
– Conserve natural resources
– Reduce harmful emissions, etc..
• Economic Benefits– Energy and water savings
– Increased property values
– Improved employee productivity and job satisfaction
– Reduced operating cost, etc..
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Benefits of Green Buildings
• Social Benefits– Improve Lifestyles and Recreation (Quality of Life)
– Enhance occupant comfort and health
– Minimize strain on local infrastructure
– Improve air, thermal, and acoustic environments
– Improve local schools (ex: test scores and high attendance rate)
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Affordable Green Housing
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Green Building
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Green Building
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Green Building
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Thank You!!
ANY QUESTIONS?