1. LEED NC Indoor Environmental Quality INTENT Slide Editor: James A
LEED NC Indoor Environmental Quality INTENT Slide Editor: James A. Strapko LEED Source:

2. Indoor Environmental Quality 8 Credits; 15 Points
EQPR1: Minimum Indoor Air Quality EQPR2: Environmental Tobacco Smoke (ETS) control EQc1: Outdoor Air Delivery Monitoring EQc2: Increase Ventilation EQc3.1: Construction IAQ Management, During Construction EQc3.2: Construction IAQ Management, Before Occupancy EQc4.1: Low-Emitting Materials, Adhesives & Sealants EQc4.2: Low-Emitting Materials, Paints & Coatings EQc4.3: Low-Emitting Materials, Carpet Systems EQc4.4: Low-Emitting Materials, Composite Wood & Agrifiber

3. Indoor Environmental Quality 8 Credits; 15 Points
EQc5: Indoor Chemical Pollutant Source Control EQc6.1: Controllability of Systems, Lighting EQc6.2: Controllability of Systems, Thermal Comfort EQc7.1: Thermal Comfort, Design EQc7.2: Thermal Comfort, Verification EQc8.1: Daylighting & Views, Daylight 75% of Spaces EQc8.2: Daylighting & Views, Daylight 90% of Spaces

4. EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance

5. EQP1: EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance
1st of 2 prerequisites in Indoor Environmental Air Quality (EQ for short)
Intent:
to establish minimum IAQ performance to enhance indoor air quality in buildings
contribute to the well-being of the occupants
Implementation:
Meet minimum requirement of Sections 4 thru 7 of ASHRAE : Ventilation for Acceptable Indoor Air Quality 
Mechanical Ventilation Systems:
designed using Ventilation Rate procedure OR applicable local code (whichever is more stringent)
Naturallly Ventilated buildings: comply with ASHRAE
Code:
ASHRAE : Ventilation for Acceptable Indoor Air Quality, Sections 4 thru 7
Submittal Phase: 
design

6. EQ Prerequisite 2 Environmental Tobacco Smoke (ETS) Control

7. EQP2: EQ Prerequisite 2 Environmental Tobacco Smoke (ETS) Control
Intent:  Minimize exposure of building occupants, indoor surfaces, and ventilation systems to ETS (Environmental Tobacco Smoke).
Implementation:
Option 1: Prohibit Smoking
 no smoking except outdoors at least 25′-0” from:
entries
outside air intakes
operable windows
Option 2: Designated Areas
no smoking except in designated area and outdoor (same rules as previous for outdoor)
Designated smoke rooms to:
effectively capture, contain and remove ETS from building
be directly exhausted to outdoors
enclosed with deck to deck partitions
operate at negative pressure to adjacent spaces
Option 3 (residential only): No smoking in common areas. 
no smoking in all building common areas
wall, ceiling and floor penetrations are to be sealed off
doors are to be weather stripped
be tested for performance (ASTM E779-03)

8. EQP2: EQ Prerequisite 2 Environmental Tobacco Smoke (ETS) Control
Code: 
ANSI/ASTM E779-03, Standard Test Method for Determining Air Leakage Rate by Fan Pressurization
Residential Manual for Compliance with California’s 2001 Energy Efficiency Standards (For Low-Rise Residential Buildings), Chapter 4
Submittal Phase:
design

9. EQ Credit 1 Outdoor Air Delivery Monitoring

10. EQ Credit 1: 1 Point Outdoor Air Delivery Monitoring
Intent: Provide capacity for ventilation system monitoring to sustain occupant comfort and well-being.
Implementation: Install Permanent monitoring systems that provide feedback on ventilation system performance
systems to generate ALARM when conditions vary by 10% set point
Mechanically vented spaces:
Densely Monitored Space: > 25 people/1000SF
monitor CO2 levels
Monitor location to be 3′ to 6′ above floor finish
for non-densely occupied spaces
provide direct outdoor airflow measure device.
detect when system is 15% below design rate
Naturally Ventilated Space:
Monitor CO2
CO2 and airflow measures by:
pilot tubes, venturi meters, rotating vane anemometers
feed into HVAC and BAS systems
Code: none
Submittal Phase: design

11. EQ Credit 2 Increase Ventilation

12. EQ Credit 2: 1 Point Increase Ventilation
Intent:
Provide additional outdoor air ventilation to improve IAQ for improved occupant comfort, well-being of occupants and productivity.
Implementation:
Mechanically Vented Spaces:
increase breathing zone outdoor air ventilation rates to 30% above minimum ASHRAE rates
Naturally Vented Spaces:
design system to meet Carbon Trust Good Practice Guide 237 (1998).
make sure ventilation is effective by flow diagram in Figure 1.18 of CIBSE Application Manual 10: 2005
use diagrammatic calculations to show design meets CIBSE or..
use macroscopic, multi-zone, analytic mode to predict room-by-room airflows naturally ventilate 90% of occupied spaces per ASHRAE
Codes:
ASHRAE : Ventilation for Acceptable IAQ
Carbon Trust Good Practice Guide 237 (1998): Natural ventilation in non-domestic buildings
CIBSE Application Manual 10 (2005): Natural ventilation in non-domestic buildings
Submittal Phase: design

13. EQ Credit 3.1 Construction IAQ Management Plan - During Construction

14. EQ Credit 3.1: 1 Point Construction IAQ Management Plan - During Construction
Intent:
Reduce IAQ problems associated with Construction/Renovation process
Help to sustain comfort and well-being of construction workers and building occupants
Implementation:
Develop and implement an Indoor Air Quality (IAQ) Management Plan for during construction
during construction, meet or exceed SMACNA IAQ Guidelines for Occupied Buildings Under Construction, Ch 3 (2007)
Protect on-site or installed absorptive materials from moisture damage
insulation, carpeting, ceiling tile and drywall
AHU’s, during construction, must have filters with Minimum Efficiency Reporting Value (MERV) of 8 per ASHRAE
Control pollutant sources
spec materials with low VOC’s
control exhaust fumes
Interrupt Contamination Pathways
depressurize work areas
provide temporary barriers

15. EQ Credit 3.1: 1 Point Construction IAQ Management Plan - During Construction
Implementation, continued:
Interrupt Contamination Pathways
depressurize work areas
provide temporary barriers
Housekeeping activities
protect porous surfaces
dust control
Schedule the installation of materials to avoid contamination
Member of General Contractor’s Team to be IAQ manager.
Codes:
SMACNA IAQ Guidelines for Occupied Buildings Under Construction, Ch. 3 (2007)
ASHRAE : Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size
Submittal Phase:
construction

16. EQ Credit 3.2 Construction IAQ Management Plan - Before Occupancy

17. EQ Credit 3.2: 1 Point Construction IAQ Management Plan - Before Occupancy
Intent:
Reduce IAQ problems associated with Construction/Renovation process
Help to sustain comfort and well-being of construction workers and building occupants
Implementation:
Develop and implement an Indoor Air Quality (IAQ) Management Plan for pre-occupancy phase
Option 1: FLUSH-OUT
after construction but before occupancy
14,000 cubic feet of O/A (outside air) per sf of floor area
maintain 60 degrees
< 60% relative humidity OR
if occupancy occur prior to flush out
delivery of 3500 cubic feet of O/A (outside air) per sf of floor area
ventilate at .30 cfm/sf.
minimum 3 hours per date until 14,000 cf/sf of O/A is delivered
USE MERV 13 filters for HVAC

18. EQ Credit 3.2: 1 Point Construction IAQ Management Plan - Before Occupancy
Option 2: Air Quality Testing
conduct an IAQ baseline test after construction, prior to occupancy
use EPA Compendium of Methods for the Determination of Air Pollutants in Indoor Air.
Code:
EPA Compendium of Methods for the Determination of Air Pollutants in Indoor Air
Submittal Phase:
construction

19. EQ Credit 4.1 Low Emitting Materials - Adhesives & Sealants

20. EQ Credit 4.1: 1 Point Low Emitting Materials - Adhesives & Sealants
Intent:
Reduce the quantity of indoor air contaminants that are odorous, irritating, and or harmful to the comfort and well-being of installers and occupants.
Implementation:
all ADHESIVES and SEALANTS used in interior of building (inside weather proofing system & applied on-site) is to comply with South Coast Air Quality Management District (SCAQMD) Rule #1168 and Green Seal (GS) Standard for Commercial Adhesives GS-36.
flooring adhesives, fire-stopping sealants, caulking, duct sealants, plumbing adhesives, cove base adhesives.
Code:
South Coast Air Quality Management District (SCAQMD) Rule #1168, October 3, 2003 Amendment
Green Seal Standard 36 (GS-36), Oct, 2000
Submittal Phase:
construction

21. EQ Credit 4.2 Low Emitting Materials - Paints & Coatings

22. EQ Credit 4.2: 1 Point Low Emitting Materials - Paints & Coatings
Intent:
Reduce the quantity of indoor air contaminants that are odorous, irritating, and or harmful to the comfort and well-being of installers and occupants.
Implementation:
all PAINT and COATINGS used in interior of building to comply with following:
PAINTS : Green Seal (GS) 11
Anti-Corrosive and Anti-Rust Paints : GS-03
Clear Wood Finishes, Floor Coatings, Stains, Sealers, Shellacs: SCAQMD Rule 1113
Code:
Green Seal Standard GS-11
Green Seal Standard GS-03
SCAQMD: South Coast Air Quality Management District Rule 1113, Architectural Coatings
Submittal Phase:
construction

23. EQ Credit 4.3 Low Emitting Materials - Carpet Systems

24. EQ Credit 4.3: 1 Point Low Emitting Materials – Carpet Systems
Intent:
Reduce the quantity of indoor air contaminants that are odorous, irritating, and or harmful to the comfort and well-being of installers and occupants.
Implementation:
All CARPET and CARPET CUSHIONS installed in building interior shall meet testing and product requirement of the Carpet and Rug Institute’s Green Label Plus Program.
All carpet adhesives shall meet EQ4.1.
Code:
Carpet and Rug Institute Green Label Plus Testing Program.
Submittal Phase:
construction

25. EQ Credit 4.4 Low Emitting Materials - Composite Wood & Agrifiber

26. EQ Credit 4.4: 1 Point Low Emitting Materials - Composite Wood & Agrifiber
Intent:
Reduce the quantity of indoor air contaminants that are odorous, irritating, and or harmful to the comfort and well-being of installers and occupants.
Implementation:
Composite wood and Agrifiber products (MDF, particleboard, plywood, wheatboard, strawboard, panel substrates, door cores) used in interior of building shall contain NO ADDED UREA FORMALDEHYDE RESINS.
Code:
none
Submittal Phase:
construction

27. EQ Credit 5 Indoor Chemical and Pollutant Source Control

28. EQ Credit 5: 1 Point Indoor Chemical and Pollutant Source Control
Intent:
Minimize potentially hazardous particulates and chemical pollutants.
Implementation:
Minimize and control pollutant entry
Minimize Cross contamination between occupied areas
Install permanent entryway systems at least 6′-0" long to capture dirt
grates
grills
Exhaust rooms where hazardous chemicals are stored
keep negative pressure at .50 cfm/sf
If Mechanically Vented , installed filters should have MERV 13 rating or better
Codes:
ASHRAE : Method of Testing General Ventilation Air Cleaning Devices for Removal Efficiency by Particle Size
Submittal Phase:
design

29. EQ Credit 6.1 Controllability of Systems - Lighting

30. EQ Credit 6.1: 1 Point Controllability of Systems - Lighting
Intent:
Provide high levels of lighting system control by individual occupants or multi-occupant spaces for various tasks for occupant’s comfort and well-being.
Implementation:
Individual lighting controls for 90% minimum of building occupants
Multi-occupant lighting system controls that meet group needs and preferences
Code:
none
Submittal Phase:
design

31. EQ Credit 6.2 Controllability of Systems - Thermal Comfort

32. EQ Credit 6.2: 1 Point Controllability of Systems – Thermal Comfort
Intent:
Provide high level of thermal comfort system control for individuals and multi-occupant spaces to promote productivity, comfort and well being of building occupants.
Implementation:
Individual comfort controls for 50% min. of building occupants.
Operable windows are OK instead if:
occupants are stationed within 20′-0″ inside and 10′-0″ to either side of the window opening.
meets standards of ASHRAE for natural ventilation
Also provide thermal comfort controls for multi-occupancy rooms, adjustable to suit needs of various groups to occupy the space.
thermal comfort conditions under ASHRAE
Codes:
ASHRAE : Ventilation for Acceptable Indoor Air Quality
ASHRAE : Thermal Environmental Conditions for Human Occupancy
Submittal Phase:
design

33. EQ Credit 7.1 Thermal Comfort - Design

34. EQ Credit 7.1: 1 Point Thermal Comfort - Design
Intent:
Provide a comfortable thermal environment supporting productivity and well-being of building occupants.
Implementation:
Design HVAC systems and Building Envelope per ASHRAE
Evaluate air temp. radiant temp, air speed, relative humidity
Coordinate with EQ P1. EQ 1, & EQ 2.
Code:
ASHRAE : Thermal Comfort Conditions for Human Occupancy
Submittal Phase:
design

35. EQ Credit 7.2 Thermal Comfort - Verification

36. EQ Credit 7.2: 1 Point Thermal Comfort - Verification
Intent:
Assessment of building’s thermal comfort over time.
Implementation:
Survey within 6-18 months after occupancy
anonymous responses of overall satisfaction of thermal performance
If 20% or more of building occupants dissatisfied, develop a plan for corrective action
Plan should be in accordance with ASHRAE
Code:
ASHRAE : Thermal Comfort Conditions for Human Occupancy
Submittal Phase:
design

37. EQ Credit 8.1 Daylighting and Views - Daylight 75% of Spaces

38. EQ Credit 8.1: 1 Point Daylighting and Views - Daylight 75% of Spaces
Intent:
Provide connection between indoor and outdoor spaces through introduction of daylight and views into regularly occupied areas of the building.
Implementation:
OPTION 1 - GLAZING FACTOR CALCULATION
achieve min. 2% glazing factor in minimum of 75% of regularly occupied areas.
OPTION 2 - DAYLIGHT SIMULATION MODEL
through computer simulation, demonstrate min. daylight illumination level of 25 footcandles in min. of 75% of regularly occupied areas.
OPTION 3 - DAYLIGHT MEASUREMENT
through records of indoor light measurements, demonstrate daylight illumination level of 25 footcandles in min. of 75% of regularly occupied areas.
ALL CASES
only area associated with room (actual square footage) can be applied toward the 75% total area calculation
provide daylight redirection and/or glare control devices

39. EQ Credit 8.1: 1 Point Daylighting and Views - Daylight 75% of Spaces
Code:
none
Extra Credit:
Provide daylighting for 90% (instead of 75%) of occupied areas.
Submittal Phase:
design

40. EQ Credit 8.2 Daylighting and Views - Daylight 90% of Spaces

41. EQ Credit 8.2: 1 Point Daylighting and Views - Daylight 90% of Spaces
Intent:
Provide connection between indoor and outdoor spaces through introduction of daylight and views into regularly occupied areas of the building.
Implementation:
Achieve direct line of site to outdoor for occupants in 90% of all regularly occupied areas
glazing between 2′-6″ & 7′-6″
Plan View:
area within sight lines drawing from perimeter vision glazing
Section View:
direct line of sight can be drawn from area to perimeter vision glazing
Code:
none
Extra Credit:
case by case basis
Submittal Phase:
design

42. LEED NC Indoor Environmental Air Quality INTENT Slide Editor: James A
LEED NC Indoor Environmental Air Quality INTENT Slide Editor: James A. Strapko LEED Source: