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Transcript of LEED
SUSTAINABILITY TOOLS
LEED
LEED
LEADERSHIP IN ENERGY & ENVIRONMENTAL DESIGN
Benchmark for the design, construction and operation of high performance green buildings.
LEED gives building owners and operators the tools they need to have an immediate and measurable impact on their
buildings’ performance.
BACKGROUND
Test
Average Savings of Green Buildings
ENERGYSAVINGS
30%
CARBONSAVINGS
35%
WATERUSE
SAVINGS30-50%
WASTECOST
SAVINGS50-90%
LEED PURPOSES
Define green building by establishing a common standard of measurement
Promote integrated, whole-building design practices
Recognize environmental leadership in the building industry
Stimulate green competition
Raise consumer awareness of green building benefits
Transform the building market
LEED RATING SYSTEM
Sustainable sites
Water efficiency
Energy and atmosphere
Materials and resources
Indoor environmental quality
Innovation and design process
LEED PROJECT TYPES
LEED for New Construction: New construction and major renovations (the most commonly applied-for LEED certification)
LEED for Existing Buildings: Existing buildings seeking LEED certification
LEED for Commercial Interiors: Commercial interior fitouts by tenants
LEED for Core and Shell: Core-and-shell projects (total building minus tenant fitouts)
LEED for Homes: Homes
LEED for Neighborhood Development: Neighborhood development
LEED for Schools: Recognizes the unique nature of the design and construction of K-12 schools
LEED for Retail: Consists of two rating systems. One is based on New Construction and Major Renovations version 2.2. The other track is based on LEED for Commercial
Interiors version 2.0.
CRITICS ON LEED
EED rating system is sensitive to local environmental conditions, its checklist system does not vary by the local
environmental conditions enough
Certification cost goes higher every year
Bureaucracy, Time Cost & Point Debating
7th World Trade CenterArchitect: David Childs (SOM) - LEED: GOLD
7th World Trade CenterArchitect: David Childs (SOM) - LEED: GOLD
30% recycled steel
Rainwater cycle: Irrigation & Cool
LED Lights + vast natural lighting
Meter / tenant
Heating steam = generator
Recycled material for insulation & interior
Bank of America Tower, NYArchitect: COOK+FOX - LEED: PLATINUM
Mixture concrete: 55% cement and 45% slag
Reduce Thermal Loss
CO2 Sensor
Ice Cooling System
Cogeneration Power Plant
Water Sensitive Design
Air Filter
RESIDENTIAL
Up to 3 Stories Market Rate & Affordable
Strip to Studs
on One Side
Single Family Multi-Family Gut Rehab
Up to 3 Stories Market Rate & Affordable
Strip to Studs
on One Side
Custom Production Affordable
ENERGY STAR Labeled Home
Durability Plan
Waste Management Plan
Site Protections
Owner’s Manual
Health and Safety Measures
Combustion Venting
Controlled Ventilation
Regional Applicability
Climate Zones
Radon Risk Zones
Termite Risk Areas
Durability
Plan
Inspection
Home Size
Location and Linkages LEED for Neighborhood
Developments
Landscaping and Irrigation
`Anticipated Effort for VerificationType of Verification Activity No. of Hours Required
ENERGY STAR
LEED Homes
Typical
w/ MR 4.2 Sampling
Preliminary Rating 4 8 8 0.2
Intermediate Inspections 4 4 1
Final Review 6 12
12 2
Travel Time 0.51.
0 2.0 0.4
Total Hours
w/ Preliminary Rating 10.5 25 34 4
w/o Preliminary Rating 6.5 17 26 4
How Much Does a LEED Home Cost?
Comparison Criteria
Code Home LEED Home
Difference
($.Month) ($/Day)
Sticker Price $ 300,000 $ 308,500
Mortgage Payment $1,890 $ 1,945 + $ 55 + $ 1.80
Energy Bill $150 105 - $ 45 -$1.50
Water Bill $ 30 $ 20 - $ 10 - $ 0.30
Net Cost of Ownership
$ 2,070 $ 2,070 - $ 0 - $ 0
Ferrier Custom HomesWeatherford, TX
LEED for Homes Pilot ProgramCertified on: January 20, 2007
LEED® Facts
Platinum 90Locations & Linkages 5
Sustainable Sites 14
Water Efficiency 10
Energy & Atmosphere 26
Materials & Resources 15
Indoor Environmental
Quality 19
Innovation & Design 0
Awareness & Education 1
Bazzani AssociatesGrand Rapids, MI
LEED for Homes Pilot ProgramCertified on: February 7, 2007
LEED® Facts
Certified 40Locations & Linkages 9
Sustainable Sites 3
Water Efficiency 6
Energy & Atmosphere 9
Materials & Resources 6
Indoor Environmental
Quality 7
Innovation & Design 0
Awareness & Education 0
Commonwealth Property FundCambridge, MA
LEED for Homes Pilot ProgramCertified on: August 15, 2006
LEED® Facts
Certified 35Locations & Linkages 8
Sustainable Sites 5
Water Efficiency 3
Energy & Atmosphere 13
Materials & Resources 3
Indoor Environmental
Quality 4
Innovation & Design 0
Awareness & Education 0
INSTITUTION