1、Sustainable Buildings and Green Markets,An Engineering PerspectivePresented by: Haven Alford,Overview,Why does it matterElements of Sustainable BuildingsGovernment Application (Green Market Incentives),Environmental Impact of Buildings (why does it matter?) US Commercial Buildings Facts:,65.2% total
2、 US electricity consumption 36% total US primary energy use 30% total US greenhouse gas emissions 136 million tons of US construction/demolition waste (about 2.8 lbs/person/day) 12% of potable water in the US 40% (3 billion tons annually) of raw materials used globally,www.usgbc.org,5 Broad Areas of
3、 Application,Sustainable SitesEnergy and AtmosphereIndoor Environmental QualityWater EfficiencyMaterials and Resources,LEED Concept and Intent,LEED is the standard for sustainable design worldwide. Design and construction practices that significantly reduce or eliminate the negative impact of buildi
4、ngs on the environment. LEED is a point based system that ranks the sustainability of a buildings design by: Certified (26 32 points) Silver (33 38 points) Gold (39 51 points) Platinum ratings (52 69 points),Why engineers (and you) should care,Discipline: MEP 28 points 41% Architect/LA 21 30% Civil
5、11 16% Constructor 4 6% Undefined 5 7%Totals 69 points 100%,Sustainable Sites,Site Selection Development Density Brownfield Redevelopment Alternative Transportation Public Transportation Bicycle Storage and Changing Rooms Alternative Fuel Vehicles Parking Capacity Reduced Site Disturbance Storm Wate
6、r Management,Alternative Fuel Vehicles,www.state.me.us/cleangovt/ ENERGY/energy.htm,Sustainable Sites,Reduced Site Disturbance Protect or Restore Open Space Development Footprint Storm Water Management Rate and Quantity Treatment Heat Island Effect Non-Roof Roof Light Pollution Reduction,Green Roof,
7、www.dep.state.pa.us/./ se/stormwater.htm,Light Pollution,http:/ Efficiency,Water Efficient Landscaping Reduce by 50% No Potable Use or No Irrigation Innovative Wastewater Technologies Water Use Reduction 20 30%,Waterless Urinals and Composting/Waterless Toilets,http:/ http:/www.magic- and Atmosphere
8、,Fundamental Building System Commissioning Minimum Energy Performance CFC Reduction in HVAC&R Equipment Optimize Energy Performance Renewable Energy 5 10% Additional Commissioning Ozone Protection Measurement and Verification Green Power,Example of Natural Ventilation,www.thedalles.k12.or.us/./ sld0
9、18.htm,Renewable Energy,http:/www.power-,Photovoltaic Roof Systems,http:/www.fsec.ucf.edu/pvt/education/inspgcps/handbook/images/pvarray.jpg http:/ and Resources,Storage and Collection of Recyclables Building Reuse Maintaining 75 100% of Existing Walls, Floor, and Roof Maintain 100% of the shell/str
10、ucture and 50% of non-shell/non-structure Construction Waste Management Divert 50 75% from a landfill Resource Reuse 5 10% of materials used are salvaged, refurbished, or reused materials, products and furnishings,Materials and Resources,Recycled Content 5 10% (post-consumer + post-industrial) Regio
11、nal Materials 20% manufactured regionally 50% extracted regionally Rapidly Renewable Materials Certified Wood,Recycled and Rapidly Renewable Materials,http:/www.eps.or.kr http:/,Indoor Environmental Quality,Minimum IAQ (Indoor Air Quality) Performance Environmental Tobacco Smoke Control Carbon Dioxi
12、de Monitoring Ventilation Effectiveness Construction IAQ Management Plan During Construction Before Occupancy,Indoor Environmental Quality,Low Emitting Materials Adhesives and Sealants Paints and Coatings Composite Wood Indoor Chemical and Pollutant Source Control Controllability of Systems Perimete
13、r Spaces Non-Perimeter Spaces,Indoor Environmental Quality,Thermal Comfort Compliance with ASHRAE 55 Permanent Monitoring System Daylight and Views Daylighting in 75% of spaces Views for 90% of spaces,Example of Daylighting,csep1.phy.ornl.gov/ CSEP/PT/NODE37.html,Federal Government LEED Applications
14、,General Services Administration (GSA) US Air Force US Army Corps of Engineers Department of State Department of Energy (DOE) Environmental Protection Agency (EPA) US Navy,State Government LEED Applications,California Pennsylvania all new construction Oregon tax credit New York Maryland all building
15、s over 500,000 ft2 New Jersey schools, and voluntary applications Arizona Missouri Wisconsin,Local Government LEED Applications,Austin, Texas Boulder, Colorado Los Angeles, California San Diego, California San Mateo, California Arlington, Virginia Cook County, Illinois Portland, Oregon San Jose, California Seattle, Washington,Incentives,Sell energy back to the utility companyTax breaks on new technologiesRebates, grants and loans,Sources,Ray Yunk, Professor of Architectural EngineeringDustin Schafer, Instructor of Architectural Engineeringwww.usgbc.org,Questions?,
