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LEED BUILDINGS IN DEPTH24th Annual ILCSWMA Conference
Starved Rock Lodge and State Park, Utica, IL
Susan Heinking, AIA, LEED FellowPepper Construction Company
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SO A GREEN BUILDING….
uses less water,
optimizes energy efficiency
conserves natural resources
generates less waste
provides healthier spaces for occupants
as compared to a conventional building
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Evolution of Design
Limited daylightNo operable windows
Materials contaminate indoor airSimultaneous heating and cooling
People overly hot, overly coldNo individual control over comfortSimultaneous water disposal/use
$$$ spent for disposalReliance on the automobile
Built-in obsolescence
Status Quo Sustainable
DaylightOperable windowsHealthy materialsEnergy efficient design Improved comfortIndividual controlsWater reuse $$$ earned from recyclingTransit optionsFlexible, adaptable design
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Green Building Basics; LEED and the LEED Process
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Commercial Buildings
CEDCumulative Energy Demand
LCALife Cycle Analysis
TQATotal Quality Assessment
Typical building codes
Better building
practices
High performance
systems
Pursuing
sustainability
Restorative/
regenerative practices
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21
ID+C O+MBD+C
NDHOMES
different rating system adaptations within categories.5
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Checklists contain the name of the rating system, credit categories, prerequisites, credits, available points, and point thresholds.
http://www.usgbc.org/resources/list
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Integrative Process
Location and Transportation
Material and Resources
Water Efficiency
Energy and Atmosphere
Sustainable Sites
Indoor Environment
Innovation
Regional Priority
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The impact categories, formerly credit weightings, are the environmental issues that LEED projects aim to address.
http://www.usgbc.org/resources/leed-v4-impact-category-and-point-allocation-process-overview
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The certification levels are LEED® Certified™, Silver, Gold, and Platinum.
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The project team and owner will be sent a formal certificate of recognition, details about ordering a LEED plaque, and guidelines for project promotion and submitting project photography.
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There are three levels of LEED credentials individuals can choose from based on their level of expertise and experience: LEED Green Associate, LEED AP (Accredited Professional), and LEED Fellow.
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Getting into the weeds with Contractor CreditsUnder LEEDv4
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• Erosion and Sedimentation Control
• Construction & Demolition
• Life Cycle Impact Reduction
• Building Product Disclosure and Optimization
• Low Emitting Materials
• Indoor Air Quality Assessment
• Green Advantage Training
Contractor Focused Credits:
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Erosion Control and Sedimentation Planning or SWPPP
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Construction Waste Management
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New C&D Waste Management Planning prerequisite
– Must identify 5 materials to divert.
– Must develop the plan even if
recycling services do not exist.
– Must produce a final report.
– Alternate daily cover is not included.
C&D Waste Management reporting
– Option to reduce waste to 2.5#/SF.
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Life Cycle Impact Reduction
Historic Building Reuse 5 pts
Renovation of Abandoned Building 5 pts
Building and Material Reuse 2-4 pts
Whole Building Life Cycle Assessment 3 pts
• 10% carbon reduction compared to base
• Impact 3 categories (GW, OD, acidification,
europhication, tropospheric, non-renewables)
• Cannot increase any category more than 5%
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Ath
ena
LEED
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Life cycle analysis
directly synced from the
Revit model.
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LEED V4: MR CREDITS 2, 3 AND 4: BUILDING PRODUCT DISCLOSURE AND OPTIMIZATION
To encourage the use of products and materials for which life cycle information is available and that have environmentally, economically, and socially preferable life cycle impacts.
Credits
Environmental Product Declaration Sourcing of Raw Materials Material Ingredients
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MRc2 Building Product Disclosure and Optimization –
Environmental Product Declaration
Option 1 (1 pt) 20 materials with
EPDs from 5 manufacturers
-EPDs can be product-specific
(1/4 product), industry wide (1/2
product), or product specific, 3rd
Party Certified (full product)
Option 2 (1 pt): 50% by cost of total
products must be :
-Third party certified and show
impact reduction in 3 of 6 impact
categories
MRc2“The EPD Credit” AND/OR
1-2 Points
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EPD TRACKING
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MRc3 Building Product Disclosure and Optimization –
Sourcing of Raw Materials
Option 1 (1 pt) 20 materials from 5 manufacturers with publicly released reports that include:- Raw material extraction location- Land use practiced- Sourcing related impacts
Option 2 (1 pt)
25% by cost of total products from:
- Purchased from manufacturer in
an extended producer
responsibility program
- Bio-based materials, FSC or
USGBC approved wood, Reused
Materials, Recycled Content
MRc3“Old LEED MR”
GRI Global Reporting
Initiative
AND/OR
1-2 Points
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Tracking Materials
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MRc4 Building Product Disclosure and Optimization –
Material Ingredient Optimization
Option 1 (1 pt): 20 products from 5
manufacturers:
- Complete inventory using CASRN or
Green Screen v1.2 guidelines
- Health Product Declaration
- Cradle to Cradle v2 Basic Cert
Option 2 (1 pt): 25%, by cost, of
total products must meet one of the
following:
- Green Screen v1.2 Benchmark
- Cradle to Cradle v3 Silver or v2 Gold
- REACH – International Projects
Option 3 (1 pt): 25%, by cost, of total
products from manufacturers who engage
in or have third party verification of their
supply chain
MRc4“The HPD
Credit”
AND/OR
1-2 Points
AND/OR
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HPD TRACKING
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UNDERSTANDING VOCS
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LOW EMITTING MATERIALS
Categories (2 Cat=1 pt, 4=2, 5=3)
Paints and Coating (TVOC and VOC)
Adhesives and Sealants (TVOC and VOC)
Flooring (TVOC)
No FloorScore or Green Label
Composite Wood (ULEF and NAUF)
Ceilings, Walls, Thermal, Acoustic (TVOC)
Furniture (ANSI/BIFMA Standard)
TVOC Testing by CDPH 2010 Standard
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LOW EMITTING MATERIALS
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LOW EMITTING MATERIALS
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IAQ
HVAC Protection
Source Control
Pathway Interruption
Housekeeping
Scheduling
Indoor Air Quality
During Construction
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Green Advantage Training
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THANK YOUSusan Heinking, AIA, LEED Fellow
Director of High Performance
Pepper Construction Company