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Sustainable Buildings and Green Markets An Engineering Perspective Presented by: Haven Alford Overview Why does it matter Elements of Sustainable Buildings Government Application (Green Market Incentives)

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sustainable buildings and green markets

Sustainable Buildings and Green Markets

An Engineering Perspective

Presented by:

Haven Alford

overview
Overview
  • Why does it matter
  • Elements of Sustainable Buildings
  • Government Application (Green Market Incentives)
environmental impact of buildings why does it matter us commercial buildings facts
Environmental Impact of Buildings (why does it matter?)US Commercial Buildings Facts:
  • 65.2% total 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 application
5 Broad Areas of Application
  • Sustainable Sites
  • Energy and Atmosphere
  • Indoor Environmental Quality
  • Water Efficiency
  • Materials and Resources
leed concept and intent
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 buildings on the environment.
  • LEED is a point based system that ranks the sustainability of a building’s 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
Why engineers (and you) should care…
  • Discipline:
    • MEP 28 points 41%
    • Architect/LA 21 30%
    • Civil 11 16%
    • Constructor 4 6%
    • Undefined 5 7%
    • Totals 69 points 100%
sustainable sites
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 Water Management
alternative fuel vehicles
Alternative Fuel Vehicles

www.state.me.us/cleangovt/ ENERGY/energy.htm

sustainable sites9
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
Green Roof
  • www.dep.state.pa.us/.../ se/stormwater.htm
light pollution
Light Pollution

http://archives.cnn.com/2000/US/08/24/dimming.the.lights.ap/large.usa.lights.jpg

water efficiency
Water 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
Waterless Urinals and Composting/Waterless Toilets

http://www.aventer.com/toilets/images/t3.jpg

http://www.magic-tec.com/magic_ur.html

energy and atmosphere
Energy and Atmosphere
  • 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
Example of Natural Ventilation

www.thedalles.k12.or.us/.../ sld018.htm

renewable energy
Renewable Energy

http://www.power-technology.com

photovoltaic roof systems
Photovoltaic Roof Systems

http://www.fsec.ucf.edu/pvt/education/inspgcps/handbook/images/pvarray.jpg

http://www.alternativeenergyinc.com/images/gallery/roof_mounted_pv.jpg

materials and resources
Materials and Resources
  • Storage and Collection of Recyclables
  • Building Reuse
    • Maintaining 75 – 100% of Existing Walls, Floor, and Roof
    • Maintain 100% of the shell/structure 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 resources19
Materials and Resources
  • Recycled Content
    • 5 – 10% (post-consumer + ½ post-industrial)
  • Regional Materials
    • 20% manufactured regionally
    • 50% extracted regionally
  • Rapidly Renewable Materials
  • Certified Wood
recycled and rapidly renewable materials
Recycled and Rapidly Renewable Materials

http://www.eps.or.kr

http://www.franksupply.com

indoor environmental quality
Indoor Environmental Quality
  • Minimum IAQ (Indoor Air Quality) Performance
  • Environmental Tobacco Smoke Control
  • Carbon Dioxide Monitoring
  • Ventilation Effectiveness
  • Construction IAQ Management Plan
    • During Construction
    • Before Occupancy
indoor environmental quality22
Indoor Environmental Quality
  • Low Emitting Materials
    • Adhesives and Sealants
    • Paints and Coatings
    • Composite Wood

Indoor Chemical and Pollutant Source Control

  • Controllability of Systems
    • Perimeter Spaces
    • Non-Perimeter Spaces
indoor environmental quality23
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
Example of Daylighting

csep1.phy.ornl.gov/ CSEP/PT/NODE37.html

federal government leed applications
Federal Government LEED Applications
  • 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
State Government LEED Applications
  • California
  • Pennsylvania – all new construction
  • Oregon – tax credit
  • New York
  • Maryland – all buildings over 500,000 ft2
  • New Jersey – schools, and voluntary applications
  • Arizona
  • Missouri
  • Wisconsin
local government leed applications
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
Incentives
  • Sell energy back to the utility company
  • Tax breaks on new technologies
  • Rebates, grants and loans
sources
Sources
  • Ray Yunk, Professor of Architectural Engineering
  • Dustin Schafer, Instructor of Architectural Engineering
  • www.usgbc.org

Questions?

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