Green Building Basics

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Indoor Environmental Quality
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IEQ

• Eliminate or reduce the sources of indoor
  pollutants
• Manage remaining pollutants
• Ensure thermal comfort
• Encourage daylighting and visual connection to
  the outdoors
• Reduce problematic noise

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Eliminate Pollutant Sources

• Materials and finishes with VOC emissions
• Cleaning products and equipment
• Moisture associated with mold and mildew
• Interior pest control
• Radon from soil

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Ensure Thermal Comfort

• Compliance with ASHRAE 55-1992
• Occupant controls
• HVAC systems and maintenance
• Sun shading and glazing

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Encourage Daylighting Views

• Visual connection to outdoors
• Control of heat gain and glare
• Integration with energy efficiency

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R1 Minimum IAQ Performance

• Intent
• Establish minimum indoor air quality (IAQ)
  performance to prevent the development of indoor
  air quality problems in buildings, thus
  contributing to the comfort and wellbeing of the
  occupants.
• Requirements
• Meet the minimum requirements of voluntary
  consensus standard ASHRAE 62-1999, Ventilation
  for Acceptable Indoor Air Quality and approved
  Addenda.

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R2 Environmental Tobacco Smoke (ETS) Control

• Intent
• Prevent exposure of building occupants and
  systems to Environmental Tobacco Smoke
• Requirements
• Prohibition of smoking in the building

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C1 Carbon Dioxide (CO2) Monitoring 1 pt

• Intent
• Provide capacity for indoor air quality (IAQ)
  monitoring to help sustain long-term occupant
  comfort and well-being.
• Requirements
• Permanent CO2 monitoring system installed, AND
  CO2 differentials are in accordance with ASHRAE
  62-2001

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C2 Increase Ventilation Effectiveness 1 pt

• Intent
• Provide for the effective delivery and mixing of
  fresh air to support the safety, comfort and
  well-being of building occupants.

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C2 Increase Ventilation Effectiveness 1 pt

• Requirements
• For mechanically ventilated buildings
• Air change effectiveness of at least 0.9, per
  ASHRAE 129-1997.
• OR
• For naturally ventilated spaces
• Air distribution and laminar flow involving at
  least 90 of the room/ zone area in the direction
  of air flow for at least 95 of hours of occupancy

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C3 Construction IAQ Management Plan 2 pts

• Intent
• Prevent indoor air quality problems resulting
  from the construction/renovation process in order
  to help sustain the comfort and well-being of
  construction workers and building occupants.
• Requirements
• 3.1 During Construction - Meet or exceed the
  minimum requirements of SMACNA IAQ Guideline for
  Occupied Buildings under Construction, 1995, AND
  protect absorptive materials from moisture
  damage, AND replace all filtration media prior to
  occupancy

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Construction IAQ Management Plan

• 3.2 After Construction/Before Occupancy
• Conduct a minimum 2-week building flush-out at
  100 outside air after completion prior to
  occupancy, OR, Conduct a baseline IAQ testing
  procedure consistent with EPA protocol for
  Research Triangle Park Campus

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C4 Low-Emitting Materials 4 pts

• Intent - Reduce the quantity of indoor air
  contaminants that are odorous, potentially
  irritating and/or harmful to the comfort and
  well-being of installers and occupants.
• Requirements
• 4.1 Adhesives comply with South Coast Air
  Quality Management District Rule 1168 AND
  sealants comply with San Francisco Bay Area Air
  Quality Management District Regulation 8, Rule
  51.

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Low-Emitting Materials

• 4.2 Paints and coatings comply with VOC and
  chemical component limits of Green Seal, Inc.
  requirements.
• 4.3 Carpet systems comply with Carpet and Rug
  Institute (CRI) Green Label Indoor Air Quality
  Test Program.
• 4.4 Composite wood or agrifiber products contain
  no added urea-formaldehyde resins.

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• Formaldehyde in engineered wood products,
  insulation, carpet
• Plasticizers in vinyl products wallcoverings,
  flooring, shower curtains
• Molds, moisture, poor ventilation
• Sink materials carpet, drywall

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Asthma

• 20.3 million Americans have asthma in 2001 (6.3
  are children).
• Asthma-related healthcare costs are estimated at
  14 billion a year.
• Asthma accounts for 14 million missed school days
  and 14.5 million missed work days annually.
• In 2000, over 4,400 people died from asthma.

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C5 Indoor Chemical and Pollutant Source Control
1 pt

• Intent
• Avoid exposure of building occupants to
  potentially hazardous chemicals that adversely
  impact air quality.
• Requirements
• No cross-contamination of areas, achieved by
• Permanent entryway systems to capture dirt AND
• Isolation of areas where chemical use occurs AND
  
• Drains plumbed for appropriate disposal of liquid
  chemical waste.

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C6 Controllability of Systems 2 pts

• Intent
• Provide a high level of thermal, ventilation and
  lighting system control by individual occupants
  or specific groups in multi-occupant spaces (i.e.
  classrooms or conference areas) to promote the
  productivity, comfort and well-being of building
  occupants.

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Controllability of Systems

• Requirements
• 6.1 Perimeter Spaces
• Provide one operable window AND one lighting
  control zone per 200sf for all occupied areas
  within 15 feet of the perimeter wall
• 6.2 Non-Perimeter Spaces
• Provide controls for each individual for airflow,
  temperature AND lighting for 50 of the
  non-perimeter, regularly occupied areas

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C7 Thermal Comfort 2 pts

• Intent
• Provide a thermally comfortable environment that
  supports the productivity and wellbeing of
  building occupants.
• Requirements
• 7.1 Compliance with ASHRAE 55-1992, Addenda 1995
• 7.2 Permanent Monitoring System for Temperature
  and Humidity

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C8 Daylight Views 2 pts

• Intent
• Provide for the building occupants a connection
  between indoor spaces and the outdoors through
  the introduction of daylight and views into the
  regularly occupied areas of the building.
• Requirements
• 8.1 Daylight factor of 2 in 75 of Spaces
• 8.2 Direct line of sight for 90 of Spaces

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Innovation and Design

• 4 Possible Innovation Design Credits
• 1 credit for a LEED Accredited Professional

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LEED Innovation Credits

• Intent
• To provide design teams and projects the
  opportunity to be awarded points for exceptional
  performance above requirements set by the LEEDTM
  Green Building System and/or Innovation
  Performance in Green Building categories not
  specifically addressed by the LEEDTM Green
  Building Rating System.

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Innovation and Design

• Education
• Green Housekeeping

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C2 LEED Accredited Professional

• Intent
• To meet the demand for high quality and qualified
  LEEDTM expertise in the marketplace and make
  LEEDTM Certification economical.