Embed Size (px)
Citation preview
Healthy IAQ in Schools: Why It's Important and How to Earn the IEQ Credits through Collaboration.
Healthy IAQ in Schools: Why It's Important and How to Earn the IEQ Credits through Collaboration
Lisa Goodwin Robbins - Kalin Associates, Inc.
Steven Burke – Consigli Construction Company, Inc.
Carrie Havey – The Green Engineer, Inc.
Conor McGuire – Columbia Construction Company
Course Description: The panel will provide expert knowledge on designing healthy schools by focusing on several LEED v4 IEQ credits and how to successfully meet them. The presentation will go beyond just meeting the IEQ credit requirements; it will encompass sharing successful strategies for implementing the criteria and designing healthy schools.
• Articulate the importance of making early design decisions to meet the LEED v4 BD+C IEQ credits and the critical relationship between the design team and construction team.
• Design school projects to meet the LEED v4 BD+C Enhanced IAQ Strategies credit and assess the relationship between increased ventilation, CO2 monitoring and air quality.
• Select finish materials that will meet the LEED v4 BD+C Low-Emitting Materials credit, specify them clearly, and illustrate why some low emitting categories may be more difficult to achieve than others.
• Demonstrate the benefits and challenges of meeting LEED v4 BD+C IAQ Assessment credit and understand how the design team can play a role in achieving this credit.
Learning Objectives
• Low Emitting Materials
• Enhanced IAQ Strategies
• Construction IAQ Management Plan
• Indoor Air Quality Assessment
Overview of IEQ Credits
UL.com/newscience
❑Children breathe at a faster rate than adults; this coupled with their smaller body mass results in a higher does of available pollutants for a child than an adult
❑Asthma remains the leading cause of school absenteeism and hospitalizations in children under the age of 15
❑Twenty percent of the U.S. population, or nearly 55 million people, spend their days in our elementary and secondary schools
Content Source: UL
❑Studies show that one-half of our nation’s 115,000 schools have problems linked to indoor air quality
1. U.S. Department of Labor. OSHA Technical Manual - Section III: Chapter 2: Acute Health Effects of Major Indoor Air Contaminants. Washington, DC: Occupational Safety and Health Administration; 1999.
Copyright© 2016 by International WELL Building Institute PBC. All rights reserved.
Sources of Poor Indoor Air
Quality
http://naturalleader.com/thecogfxstudy/study-1/#
GREEN BUILDINGS
LOW VOC
ENHANCED GREEN
BUILDINGSLOW VOC AND
ENHANCED VENTILATION
Building Conditions of
Concern: Relative
Humidity
A Tale of Two Paints in a Public Middle School
Paint 1Traditional Semi-Gloss
Paint 2Low-Emitting Semi-Gloss. Greenguard Compliant
24 Hours After Application
Paint 290% reduction in total VOCs in comparison to the traditional paint
7 Days After Application
Paint 2Below detectable levels for VOCs
14 Days After Application
Paint 1Half primary VOCs not detected, half still off-gassing
“Individual VOCs associated with the standard industrial paint were typically found at levels 10 times the magnitude of those measured in the low VOC paint.”
Content Source: UL, Image Source:vidamoderna.com.br
Early Design Decisions Affect
IEQ Credits
General Requirements and
Design Selections
Low-Emitting Materials - Requirements
Use materials on the building interior (everything within the waterproofing membrane) that meet the low-emitting criteria.
2 product categories 1 point
3 product categories 2 points
4 product categories 3 points
5 product categories 3 points + exemplary performance
Reach 90% threshold in at
least 3 product categories
Exemp. perf or 1 additional point if
only 1 or 2 points achieved.
Low-Emitting Materials
General Emissions: California Department of Public Health (CDPH) Standard Method v1.1–2010 v1.2–2017
VOC Content Limits: SCAQMD Rule 1113 and Rule 1168, CARB 2007 SCM
for Architectural Coatings.
Adhesives and Sealants
At least 75% of all adhesives and sealants, by volume or surface area, meet the VOC emissions evaluation AND 100% meet the VOC content evaluation. Category includes all interior adhesives and sealants applied on site.
Paints and Coatings
At least 75% of all paints and coatings, by volume or surface area, meet the VOC emissions evaluation AND 100% meet the VOC content evaluation. Category includes all interior paints and coatings applied on site.
Flooring
At least 90% of all flooring, by cost or surface area, meets the VOC emissions evaluation OR inherently nonemitting sources criteria, OR salvaged and reused materials criteria. Category includes: all types of hard and soft surface flooring, wall base, underlayments, and other floor coverings. Subflooring is excluded.
Wall Panels
At least 75% of all wall panels, by cost or surface area, meet the VOC emissions evaluation, OR inherently nonemittingsources criteria, OR salvaged and reused materials criteria. Category includes: all finish wall treatments, surface wall structures such as gypsum or plaster, cubicle/ curtain/ partition walls, trim, doors, frames, windows, and window treatments. Removable fabric panels, built-in cabinetry, & vertical structural elements excluded.
Ceilings
At least 90% of all ceilings, by cost or surface area, meet the VOC emissions evaluation, OR inherently nonemitting sources criteria, OR salvaged and reused materials criteria. Category includes: all ceiling panels, ceiling tile, surface ceiling structures such as gypsum or plaster, suspended systems, and glazed skylights. Overhead structural elements are excluded.
Insulation
At least 75% of all insulation, by cost or surface area, meets the VOC emissions evaluation. Category includes: all thermal and acoustic boards, batts, rolls, blankets, sound attention fire blankets, foamed-in place, loose-fill, blown, and sprayed insulation. Insulation for HVAC ducts and plumbing piping are excluded.
Composite Wood
At least 75% of all composite wood, by cost or surface area, meets the Formaldehyde emissions evaluation OR salvaged and reused materials criteria. Category includes: all particleboard, MDF, hardwood veneer plywood, and structural composite wood not included in other categories. - Meet EPA TSCA Title VI or California Air Resources Board (CARB) ATCM for ULEF or NAF.
Composite Wood Structural wood products are compliant if they are made with moisture resistant adhesives (ASTM 2559), have no surface treatments with added urea-formaldehyde, and meet one of the following: - Plywood: PS 1‐09, PS 2‐10 - Oriented strand board: PS 2‐10- Structural composite lumber: ASTM D 5456‐13- Glued laminated timber: ANSI A190.1‐2012- I‐joists: ASTM D 5055‐13- Cross‐laminated timber: PRG 320‐15- Finger‐jointed lumber: DOC PS‐20 2015
Furniture
At least 75% of all furniture in the project scope of work, by cost, meets the furniture emissions evaluation, OR inherently nonemitting sources criteria, OR salvaged and reused materials criteria. Category includes all stand-alone furniture items purchased for the project. Comply with ANSI/BIFMA Standard Method M7.1–2011 and ANSI/BIFMA e3-2014e Sections 7.6.1 OR 7.6.2.
Concrete Curing Compounds
Wood Floor Finishes
Adhesives and Sealants
Fireproofing without GEEs
Non-Flat Coatings Above 50 g/L
Whiteboard Paint, Projection Paint,
Graphic Paint Furniture
Others?
Har
der
to
Eas
ier
Product Categories
??
Low-Emitting Materials
• Target more categories.
• Design with fewer types of building products.
• “Budget Method”
Low-Emitting Materials:Best Strategies
1. Adhesives: Describe type of adhesive here.
a. Basis of Design: Sample Manufacturer; Green Adhesive.
b. VOC Emissions: Provide adhesives in compliance with the requirements of the California Department of Public Health's "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers."
c. VOC Content, __________: ___ g/L or less.
d. Methylene chloride and perchloroethylene may not be intentionally added to adhesives.
e. Do not use adhesives that contain urea formaldehyde.
Specifications - Part 2 ProductsSpecifications - Part 2 Products
1. Low-Emitting Materials, General Emissions Evaluation: Building products must be tested and determined compliant in accordance with California Department of Public Health (CDPH) Standard Method v1.2–2017.
a. For adhesives and sealants, submit test results, including TVOC emissions and VOC content.
b. For gypsum board and acoustic insulation, submit GreenGuard Gold certification.
c. For resilient flooring, submit FloorScore certification.
d. For wet-applied products, submit volume used.
Specifications - Part 1 Submittals
Entryway systems Interior cross-contamination prevention
Filtration
Enhanced IAQ Strategies – Option 1
Enhanced IAQ Strategies – Option 2
Content and Image Source: Encyclopedia of Occupational Health and Safety, 4th Edition
Select One:
• Carbon dioxide monitoring
• Increased Ventilation• Exterior contamination
prevention• Additional Source Control
Monitoring
Pilot credit: Performance-based Indoor Air Quality Design and Assessment
“Use a displacement ventilation system to deliver the most amount of air for least amount of operating cost.”
• Supply air introduced at the floor level
• Cooler supply air "displaces" the warmer room air
• Zone of fresh cool air created at occupied level
• Heat and contaminants rise to the ceiling level
Benefits and Limitations
Construction IAQ Management and Specs
Indoor Air Quality Assessment: Process
DESIGN:
Select low-emitting building products and
furniture.
CONSTRUCT:
Coordinate the schedule, flush-out, and IAQ
planning with GC/CM and test agency together
FLUSH-OUT:
Begin flush-out. Furniture should be in place during the flush-
out.
TEST:
Testing must occur before occupancy, when building is unoccupied.
CALCULATE
Make sure your schedules will allow
for it
CHOOSE
Whether Path 1 or Path 2 will make
more sense
INCLUDE
Controls contractor in the conversation to prepare in advance
PREPARE
Seasonal challenges may arise
DON’T WAIT
For the end of the job to start coordinating
Be Mindful:• Furniture must be installed
• Major VOC punch list items must be complete• Flush-out must be complete before occupancy
Be Mindful:• Furniture must be installed
• Major VOC punch list items must be complete• Testing must be complete before occupancy
STRATEGIZE
Sample locations for optimal success and
representative results
PREVENT
Subs from touch-up painting in sample
areas
CLEAN
Spaces beforehand, but avoid harsh
chemical cleaners
FLUSH
Starting (at least) 48 to 72 hours before testing
CONTROL
The environment during testing to avoid
test interference
TVOCs Formaldehyde Dust
Our Resources
018113 - Sustainable Design Requirements
018119 - Construction IAQ Management
Low Emitting Materials Quick Guide
LEED v4 Text for Specifications
LEED v4 List of Materials Databases
• Make design decisions early. Set Division 01 requirements and target product pitfalls to avoid losing low-emitting product categories.
• Hold a LEED meeting with the Contractor as soon as possible. Review Construction IAQ Plan and strategies for meeting IEQ credits.
• Hire IAQ Testing Consultant early in construction. Determine flushoutduration and spaces to be tested.
• Encourage Owners to establish ongoing monitoring and IAQ best practices after construction.
statement
Carrie Havey [email protected]: www.greenengineer.com/resources
Downloads and Thank You!Lisa Goodwin [email protected]: www.kalinassociates.com/resources
Steven [email protected]
Robin Dodson, [email protected]
Conor [email protected]
