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EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance PowerPoint PPT Presentation


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LEED NC Indoor Environmental Quality 15 points Slide Editor: James A. Strapko LEED Source: www.intheleed.com. EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance. EQP1: EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance.

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EQ Prerequisite 1 Minimum Indoor Air Quality (IAQ) Performance

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Eq prerequisite 1 minimum indoor air quality iaq performance

LEED NCIndoor Environmental Quality15 pointsSlide Editor: James A. StrapkoLEED Source: www.intheleed.com


Eq prerequisite 1 minimum indoor air quality iaq performance

EQ Prerequisite 1Minimum Indoor Air Quality (IAQ) Performance


Eqp1 eq prerequisite 1 minimum indoor air quality iaq performance

EQP1: EQ Prerequisite 1Minimum 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 62.1-2004: 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 62.1-2004.

    Code:

  • ASHRAE 62.1-2004: Ventilation for Acceptable Indoor Air Quality, Sections 4 thru 7

  • Submittal Phase: 

  • design


Eq prerequisite 2 environmental tobacco smoke ets control

EQ Prerequisite 2Environmental Tobacco Smoke (ETS) Control


Eqp2 eq prerequisite 2 environmental tobacco smoke ets control

EQP2: EQ Prerequisite 2Environmental 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)


Eqp2 eq prerequisite 2 environmental tobacco smoke ets control1

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


Eq credit 1 outdoor air delivery monitoring

EQ Credit 1Outdoor Air Delivery Monitoring


Eq credit 1 1 point outdoor air delivery monitoring

EQ Credit 1: 1 PointOutdoor 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

      • Monitor location to be 3′ to 6′ above floor finish

  • CO2 and airflow measures by:

    • pilot tubes, venturi meters, rotating vane anemometers

    • feed into HVAC and BAS systems

      Code:none

      Submittal Phase:design


Eq credit 2 increase ventilation

EQ Credit 2Increase Ventilation


Eq credit 2 1 point increase ventilation

EQ Credit 2: 1 PointIncrease 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 62.1-2004 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 62.1-2004

        Codes:

  • ASHRAE 62.1-2004: 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


Eq credit 3 1 construction iaq management plan during construction

EQ Credit 3.1Construction IAQ Management Plan - During Construction


Eq credit 3 1 1 point construction iaq management plan during construction

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 52.2-1999.

  • Control pollutant sources

    • spec materials with low VOC’s

    • control exhaust fumes

  • Interrupt Contamination Pathways

    • depressurize work areas

    • provide temporary barriers


Eq credit 3 1 1 point construction iaq management plan during construction1

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 52.2-1999: Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

    Submittal Phase:

  • construction


Eq credit 3 2 construction iaq management plan before occupancy

EQ Credit 3.2Construction IAQ Management Plan - Before Occupancy


Eq credit 3 2 1 point construction iaq management plan before occupancy

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


Eq credit 3 2 1 point construction iaq management plan before occupancy1

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


Eq credit 4 1 low emitting materials adhesives sealants

EQ Credit 4.1Low Emitting Materials - Adhesives & Sealants


Eq credit 4 1 1 point low emitting materials adhesives sealants

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


Eq credit 4 2 low emitting materials paints coatings

EQ Credit 4.2Low Emitting Materials- Paints & Coatings


Eq credit 4 2 1 point low emitting materials paints coatings

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


Eq credit 4 3 low emitting materials carpet systems

EQ Credit 4.3Low Emitting Materials - Carpet Systems


Eq credit 4 3 1 point low emitting materials carpet systems

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


Eq credit 4 4 low emitting materials composite wood agrifiber

EQ Credit 4.4Low Emitting Materials - Composite Wood & Agrifiber


Eq credit 4 4 1 point low emitting materials composite wood agrifiber

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


Eq credit 5 indoor chemical and pollutant source control

EQ Credit 5 Indoor Chemical and Pollutant Source Control


Eq credit 5 1 point indoor chemical and pollutant source control

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 52.2-1999: Method of Testing General Ventilation Air Cleaning Devices for Removal Efficiency by Particle Size

    Submittal Phase:

  • design


Eq credit 6 1 controllability of systems lighting

EQ Credit 6.1 Controllability of Systems - Lighting


Eq credit 6 1 1 point controllability of systems lighting

EQ Credit 6.1: 1 PointControllability 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


Eq credit 6 2 controllability of systems thermal comfort

EQ Credit 6.2 Controllability of Systems - Thermal Comfort


Eq credit 6 2 1 point controllability of systems thermal comfort

EQ Credit 6.2: 1 PointControllability 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 62.1-2004 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 55-2004

      Codes:

  • ASHRAE 62.1-2004: Ventilation for Acceptable Indoor Air Quality

  • ASHRAE 55-2004: Thermal Environmental Conditions for Human Occupancy

    Submittal Phase:

  • design


Eq credit 7 1 thermal comfort design

EQ Credit 7.1 Thermal Comfort - Design


Eq credit 7 1 1 point thermal comfort design

EQ Credit 7.1: 1 PointThermal 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 55-2004.

  • Evaluate air temp. radiant temp, air speed, relative humidity

  • Coordinate with EQ P1. EQ 1, & EQ 2.

    Code:

  • ASHRAE 55-2004: Thermal Comfort Conditions for Human Occupancy

    Submittal Phase:

  • design


Eq credit 7 2 thermal comfort verification

EQ Credit 7.2 Thermal Comfort - Verification


Eq credit 7 2 1 point thermal comfort verification

EQ Credit 7.2: 1 PointThermal 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 55-2004

      Code:

  • ASHRAE 55-2004: Thermal Comfort Conditions for Human Occupancy

    Submittal Phase:

  • design


Eq credit 8 1 daylighting and views daylight 75 of spaces

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


Eq credit 8 1 1 point daylighting and views daylight 75 of spaces

EQ Credit 8.1: 1 PointDaylighting 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


Eq credit 8 1 1 point daylighting and views daylight 75 of spaces1

EQ Credit 8.1: 1 PointDaylighting and Views - Daylight 75% of Spaces

Code:

  • none

    Extra Credit:

  • Provide daylighting for 90% (instead of 75%) of occupied areas.

    Submittal Phase:

  • design


Eq credit 8 2 daylighting and views daylight 90 of spaces

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


Eq credit 8 2 1 point daylighting and views daylight 90 of spaces

EQ Credit 8.2: 1 PointDaylighting 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


Eq prerequisite 1 minimum indoor air quality iaq performance

LEED NCIndoor Environmental Quality15 pointsSlide Editor: James A. StrapkoLEED Source: www.intheleed.com


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