Leadership in Energy and Environmental design ... - PBworksseedconsortium.pbworks.com/f/LEED.pdf ·...
Transcript of Leadership in Energy and Environmental design ... - PBworksseedconsortium.pbworks.com/f/LEED.pdf ·...
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Leadership in Energy and Environmental design(LEED)
Caroline Clevenger, PE, RACEE 115 / 2152/14/08
some slides courtesy of:
Architectural Energy Corporationwww.archenergy.com
U.S. Green Building Councilwww.usgbc.org
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USGBC Mission
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Motivation
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Environmental Impact of Buildings
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5LEEDTM Rating Categories (GOALS)
LEEDLEEDTMTM categories as % of total points (69)categories as % of total points (69)
Energy and Atmosphere
26%Indoor
Environmental Quality
22%
Innovation and Design Process
6%
Sustainable Sites21%
Materials and Resources
19%
EfficiencyWater
6%
(15)
(5)
(13)
(17)
(5)
(14)
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6Prerequisites vs. Credits(PREFERENCES)
Project must meet ALL Prereq requirements to qualify for certification
Prereqs = 0 points, required
Credits = 1 point/credit, elective
Prereqs:٠ Erosion & Sedimentation Control٠ Fundamental Cx٠ Minimum Energy Performance٠ CFC Reduction٠ Storage & Collection of Recyclables٠ Minimum IAQ Performance٠ Environmental Tobacco Smoke Control
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ENERGYSAVINGS
30%
CARBONSAVINGS
35%
WATERUSE
SAVINGS30-50%
WASTECOST
SAVINGS50-90%
Source:Capital E
USGBC: “Green Buildings Average”ANALYSES
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8LEEDTM Certification LevelsVALUE
2633
3952
0
10
20
30
40
50
60
Poi
nts
Certified Silver Gold Platinum
LEEDLEED--NC: 7 prerequisites and 69 total pointsNC: 7 prerequisites and 69 total points
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LEED Platinum?
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Stanford Graduate School of Business
Change Lives. Change Organizations. Change the World
Phil Knight New Campus: LEED Platinum?
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Registered Projects by Owner Type
Individual1% Profit
Corporation25%
Local Government
24%Nonprofit
Corporation19%
State Government
12%
Other9%Federal
Government10%
Who’s using LEED?
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Green Building Executive Order
Executive Order S-20-04
1.1.1.2. All new State buildings and major renovations of 10,000 sq. ft. and over and subject to Title 24 will be designed, constructed and certified at LEED-NC Silver or higher, (or LEED-EB as applicable.) Certification to an equivalent or higher standard is acceptable as approved by the Green Action Team. Life cycle cost assessment methodology as defined in Section 1.1.1.3 shall be used in determining cost effective criteria. Building projects less than 10,000 sq. ft. shall use the same design standard, but certification is not required.
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Australia Canada**China**FranceHong Kong India **
*Registered Projects
Japan*Spain*Mexico*Italy*Guam*Côte d'Ivoire*Guatemala*
*Certified Projects
Global Interest
2006
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LEED Rating Systems
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INSERT GRAPH FROM LEED BROCHURE HERE
LEED Phases of Design and Operation
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LEED NC vs. LEED EB
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Green Building Operations
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LEED EB Maintenance Plan
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19LEED EB- Measurement and Verification
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Business Drivers
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21IncreasedProductivity.
20%BETTER TEST
PERFORMANCE
SCHOOLS
2 ½ DAY EARLIER
DISCHARGE
HOSPITALS
INCREASEDPRODUCTION
FACTORIES
2-16%PRODUCTIVITY
INCREASE
OFFICES
INCREASEIN SALES PERSQUARE FOOT
RETAIL
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Labor Costs Eclipse Energy Costs
21
1.81
1.53
1.37
0.61
0.82
0.58
130
0 20 40 60 80 100 120 140
Office Workers' Salaries
Gross Office Rent
Total Energy Use
Electricity Use
Repair and Maintenance
Space cooling and air handling electricity
Space cooling maintenance
Total building operations and managementsalaries
$ per square foot
Over a 30-year life, salaries account for 94% of a building’s total cost
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Additional Economic Benefits
Overall building maintenance costs reduced
Reduced liability, risk management
Tenants/Owners attracted to efficient utility cost savings measures
Increased building valuation, optimize life-cycle economic performance
Marketing advantages
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Certification Benefits
Third party validation of achievement
Qualify for growing array of state and local government incentives
Contribute to growing knowledge base of energy and environmentallyresponsive buildings
LEED certification plaque to mount on building
Receive marketing exposure through USGBC Web site, case studiesmedia announcements
Official certificate
Recognition of Quality Buildings and Recognition of Quality Buildings and Environmental StewardshipEnvironmental Stewardship
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At the TableAt the Table
ArchitectsBuildingOwners
Planners
Federal,Local,and State Governments
UtilityManagers
Nonprofit Leaders
Engineers
BuildingTenants
PropertyManagers
ProductManufacturers
InteriorDesigners
CodeOfficials
LandscapeArchitects
FinancialPlanners
The Real Benefit of LEED
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LEED Submittal Responsibilities
Architectural Design Team - Dwgs, Specifications, Letter Templates
Civil Design Team - Civil Dwgs, Specifications, Letter Templates, Local Zoning info, LEED Calculator
Landscape Design Team - Landscape Dwgs, Specifications, Letter Templates, LEED Calculator, Narrative
MEP Design Team - MEP Dwgs, Specifications, Cut Sheets, Letter Templates, Narratives, Technical Data
Contractor - Construction Mngmt Plans, Submittals, Cut Sheets, Letter Templates, LEED Calculator, Photographs
Owner - Policies/Plans, Contracts
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Example Project: LEED Credits
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Example Credit
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Example Project: LEED Credits
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Example Credit
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Example Project: LEED Credits
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Example Credit
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Example Project: LEED Credits
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LEED Analysis
ID Title Credits with little or
no extra investment
Credits requiring
extra investment
Estimated Additional
Construction Cost
SS4.3 Alternative Fuel Vehicles 1 $200,000 WE 1.2 Water Efficiency Landscaping 1 $180,000 WE 2 Innovative Wastewater Technologies 1 $10,000 EA 1.4 – 1.7 Optimize Energy Performance 2 1 $115,000 EA 2.1 Renewable Energy 1 $1,840,000 MR 5.2 Local/Regional Materials 1 $50,000 IE 8.1 Daylight and Views,
Diffuse Sunlight to 75% of Space 1 None
IE 6.2 Controllability of Systems, Individual Controls
1 None
ID 1.3 – 1.4 Innovation in Design 2 $100,000 TOTAL CREDITS 6 6
TOTAL COST $60,000 $2,435,000
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LEED Analysis, cont.
Optimized Energy Performance (EAc1)26.5% savings vs. Title 24-2001 = 5 LEED credits2 more than currently claimed as “yes” creditsWith additional efficiency measures, can reach 6 credits
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Optimized Energy Performance (EAc1)
Exterior shadingEnergy savings = $13,000 per yearCost = $1,800,000
With overhangs Without overhangs
LEED Analysis, cont.
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Optimized Energy Performance (EAc1)
Daylight redirecting devices with additional dimming controls
Energy savings = $6,000 per yearCost = $405,000
LEED Analysis, cont.
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Renewable Energy (EAc2)
A photovoltaic system that produces 2.5% of the building’s energy needs would earn 1 credit
LEED Analysis, cont.
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Controllability of Systems (IE6.2)
LEED Analysis, cont.
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Local Materials (MR5.2)Requires that 50% of the materials that are manufactured locally also be harvested locally (500 mile radius)Given the location of the RLR3 project, this credit is likely to be achieved.
LEED Analysis, cont.
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LEED - Resources
LEED Tools:LEED Tools:
LEED Letter TemplatesTemplate for every prerequisite & credit
LEED CalculatorsExcel spreadsheets that calculate credits with given project information
LEED ScorecardTrack the project’s LEED point progress
USGBC WebsiteMain source of knowledge about LEED, including the *LEED Reference Guide, the *Sustainable Building Technical Manual , and LEED Workshop registration
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LEEDLEED--
Letter TemplateLetter Template
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LEEDLEED
CalculatorCalculator
Landscape Type
Area KL ETL TPWA
[SF] [gal]
Trees 4,084 1 0.2 1 1.0 1 0.5 0.1 0.71 2 0.900 3,213
Shrubs/Mulch 2,895 1 0.2 1 0.5 1 0.5 0.1 0.35 2 0.900 1,139
Native Turf 10,766 1 0.2 1 0.6 1 1.0 0.1 0.85 1 0.625 14,635
Manicured Turf (replacement) 222 1 0.6 1 0.6 1 1.0 0.4 2.55 1 0.625 905
-- -- -- 1 0.625
-- -- -- 2 0.900
-- -- -- 2 0.900
-- -- -- 1 0.625
Total 17,967 19,892
19,892
Landscape Type
Area DensityFactor KL ETL IE TPWA
[SF] [gal]
Trees 4,084 1 0.5 1 1.0 1 0.5 0.3 1.77 1 0.625 11,566
Shrubs/Mulch 2,895 1 0.5 1 1.0 1 0.5 0.3 1.77 1 0.625 8,199
Manicured Turf 10,988 1 0.6 1 1.0 1 1.0 0.6 4.25 1 0.625 74,683
-- -- -- 1 0.625
-- -- -- 1 0.625
-- -- -- 2 0.900
-- -- -- 1 0.625
-- -- -- 2 0.900
Total 17,967 94,448
79%
Baseline Case Table
Irrigation Potable Water Use Reduction
Net GPWA [gal]
(kmc)
Subtotal [gal]
DensityFactor
(ks) (kd)
Design Case TableSpeciesFactor
Net GPWA [gal]
Microclimate Factor
(ks)
SpeciesFactor
Microclimate Factor
(kmc)
July Graywater Harvest [gal]
(kd)
IE
Sprinkler
Sprinkler
Sprinkler
Sprinkler
Sprinkler
Drip
Sprinkler
Drip
Drip
Drip
Sprinkler
Sprinkler
Sprinkler
Drip
Drip
Sprinkler
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LEED Scorecard
Project PossibleY ? N Points Points Credit Category Credit Title
Sustainable SitesY 0 0 Prerequisite 1 Erosion and Sedimentation Control
x 0 1 Credit 1 Site Selection
x 1 1 Credit 2 Urban Redevelopment
x 0 1 Credit 3 Brownfield Redevelopment
x 1 1 Credit 4.1 Alternative Transportation, Locate Near Public Transportation
x 1 1 Credit 4.2 Alternative Transportation, Bicycle Storage & Changing Rooms
x 0 1 Credit 4.3 Alternative Transportation, Alternative Fuel Refueling Stations
x 0 1 Credit 4.4 Alternative Transportation, Minimum or No New Parking
x 0 1 Credit 5.1 Reduced Site Disturbance, Protect or Restore Open Space
x 0 1 Credit 5.2 Reduced Site Disturbance, Reduce Footprint & Increase Open Space
x 1 1 Credit 6.1 Stormwater Management, No Net Increase or 25% Decrease
x 1 1 Credit 6.2 Stormwater Management, Treatment Systems
x 1 1 Credit 7.1 Landscape & Exterior Design to Reduce Heat Islands, Site Surfaces
x 1 1 Credit 7.2 Landscape & Exterior Design to Reduce Heat Islands, Roof Surfaces
x 1 1 Credit 8 Light Pollution Reduction2 4 8 14 Subtotal - Sustainable Sites
LEED GREEN BUILDING CERTIFICATION LEVELS
= 26 - 32 LEED CERTIFIED
= 33 - 38 LEED CERTIFIED SILVER LEVEL
= 39 - 51 LEED CERTIFIED GOLD LEVEL
= 52 + LEED CERTIFIED PLATINUM LEVEL
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LEED Tool LEED Tool --
USGBC WebpageUSGBC Webpage
www.usgbc.org
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Access to project registration
Access to technical assistance
Access to application for LEED certification **
Submit CIR's **
View CIR's *, **
*USGBC Member
**Registered Projects
LEED- USGBC Webpage
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LEED Submittals
Credits require supporting documentation to justify the intent of the LEED point is met through design, construction, and operation of the building.
Examples of supporting LEED submittals:LEED Letter TemplatesLEED CalculatorsDrawingsSpecificationsProduct Cut SheetsMSDSManufacturer’s statementPhotographsTechnical data or analysis
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At the TableAt the Table
ArchitectsBuildingOwners
Planners
Federal,Local,and State Governments
UtilityManagers
Nonprofit Leaders
Engineers
BuildingTenants
PropertyManagers
ProductManufacturers
InteriorDesigners
CodeOfficials
LandscapeArchitects
FinancialPlanners
The Real Benefit of LEED
Project PossibleY ? N Points Points Credit Category Credit Title
Sustainable SitesY 0 0 Prerequisite 1 Erosion and Sedimentation Control
x 0 1 Credit 1 Site Selection
x 1 1 Credit 2 Urban Redevelopment
x 0 1 Credit 3 Brownfield Redevelopment
x 1 1 Credit 4.1 Alternative Transportation, Locate Near Public Transportation
x 1 1 Credit 4.2 Alternative Transportation, Bicycle Storage & Changing Rooms
x 0 1 Credit 4.3 Alternative Transportation, Alternative Fuel Refueling Stations
x 0 1 Credit 4.4 Alternative Transportation, Minimum or No New Parking
x 0 1 Credit 5.1 Reduced Site Disturbance, Protect or Restore Open Space
x 0 1 Credit 5.2 Reduced Site Disturbance, Reduce Footprint & Increase Open Space
x 1 1 Credit 6.1 Stormwater Management, No Net Increase or 25% Decrease
x 1 1 Credit 6.2 Stormwater Management, Treatment Systems
x 1 1 Credit 7.1 Landscape & Exterior Design to Reduce Heat Islands, Site Surfaces
x 1 1 Credit 7.2 Landscape & Exterior Design to Reduce Heat Islands, Roof Surfaces
x 1 1 Credit 8 Light Pollution Reduction2 4 8 14 Subtotal - Sustainable Sites
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LEED Accredited Professional
Who can be a LEED AP?Recommended qualifications for the LEED Professional Accreditation exam:
1.Tenure in green building and construction industry knowledge 2.Familiarity with documentation process for LEED certified projects 3.Knowledge of LEED credit intents, requirements, submittals, technologies and strategies within your discipline 4.Practical experience working with multiple design disciplines 5.Understanding of life cycle cost and benefits of LEED 6.Familiarity with LEED resources and processes