Leadership in Energy and Environmental design (LEED ...

1

Leadership in Energy and
Environmental design
(LEED)

Caroline Clevenger, PE, RA some slides courtesy of:
CEE 115 / 215
U.S. Green Building Council
2/14/08
www.usgbc.org

Architectural Energy Corporation

www.archenergy.com

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USGBC Mission

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Motivation

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Environmental Impact of Buildings

LEEDTM Rating Categories 5
(GOALS)

Innovation and Energy and
Design Process
Indoor 6% (5) Atmosphere
Environmental 26%
Quality (17)
22% (15)
Water
Effi6c%iency (5)
Materials and
Resources Sustainable Sites
21%
19% (13)
(14)

LEEDTM categories as % of total points (69)

Prerequisites vs. Credits 6
(PREFERENCES)

Project must meet ALL Prereq requirements to
qualify for certification

Prereqs = 0 points, required

Credits = 1 point/credit, elective

Prereqs:

٠ Erosion & Sedimentation Control
٠ Fundamental Cx
٠ Minimum Energy Performance
٠ CFC Reduction
٠ Storage & Collection of Recyclables
٠ Minimum IAQ Performance
٠ Environmental Tobacco Smoke Control

USGBC: “Green Buildings Average” 7
ANALYSES

WATER WASTE
USE COST
SAVINGS
SAVINGS
50-90%
30-50%
CARBON
SAVINGS

35%

ENERGY
SAVINGS

30%

Source:
Capital E

LEEDTM Certification Levels 8
VALUE

60 33 52
50 39
40 Silver
Points
30 26
Gold Platinum
20
10

0

Certified

LEED-NC: 7 prerequisites and 69 total points

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LEED Platinum?

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Stanford Graduate School of Business

Phil Knight New
Campus: LEED
Platinum?

Change Lives. Change Organizations. Change the World

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Who’s using LEED?

Registered Projects by Owner Type

Federal Other Individual Profit
Government 9% 1% Corporation

10% 25%

State Local
Government Government

12% 24%

Nonprofit
Corporation

19%

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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.

Global Interest 13

„ Australia „ Japan*
„ Canada** „ Spain*
„ China** „ Mexico*
„ France „ Italy*
„ Hong Kong „ Guam*
„ India ** „ Côte d'Ivoire*
„ Guatemala*

*Certified Projects
*Registered Projects

2006

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LEED Rating Systems

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LEED Phases of Design and Operation

INSERT GRAPH FROM LEED BROCHURE HERE

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LEED NC vs. LEED EB

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Green Building Operations

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LEED EB Maintenance Plan

LEED EB- Measurement and 19
Verification

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Business Drivers

Increased HOSPITALS SCHOOLS 21
Productivity.

2 ½ DAY 20%
EARLIER BETTER TEST
DISCHARGE PERFORMANCE

RETAIL FACTORIES OFFICES

INCREASE INCREASED 2-16%
IN SALES PER PRODUCTION PRODUCTIVITY
SQUARE FOOT
INCREASE

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Labor Costs Eclipse Energy Costs

Office Workers' Salaries 130

Gross Office Rent 21

Total Energy Use 1.81

Electricity Use 1.53

Repair and Maintenance 1.37

Space cooling and air handling electricity 0.61

Space cooling maintenance 0.82

Total building operations and management 0.58
salaries
0 20 40 60 80 100 120 140
$ 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

Recognition of Quality Buildings and
Environmental Stewardship

„ Third party validation of achievement
„ Qualify for growing array of state and local government incentives
„ Contribute to growing knowledge base of energy and environmentally

responsive buildings
„ LEED certification plaque to mount on building
„ Receive marketing exposure through USGBC Web site, case studies

media announcements
„ Official certificate

The Real Benefit of LEED 25

Architects Federal, Product
Local, Manufacturers
Building and State
Owners Governments Nonprofit Leaders

Planners

At the Table

Engineers

Financial Utility Interior
Planners Managers Designers

Building Landscape
Tenants Architects

Property Code
Managers Officials

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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 Credits Estimated
with little or requiring Additional
SS4.3 Alternative Fuel Vehicles Construction
WE 1.2 Water Efficiency Landscaping no extra extra
WE 2 Innovative Wastewater Technologies investment investment Cost
EA 1.4 – 1.7 Optimize Energy Performance $200,000
EA 2.1 Renewable Energy 1 1 $180,000
MR 5.2 Local/Regional Materials 2 1
IE 8.1 Daylight and Views, $10,000
Diffuse Sunlight to 75% of Space 1 1 $115,000
IE 6.2 Controllability of Systems, 1 1 $1,840,000
Individual Controls
ID 1.3 – 1.4 Innovation in Design 1 2 $50,000
6 None
TOTAL CREDITS 6 $2,435,000
TOTAL COST $60,000 None

$100,000

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LEED Analysis, cont.

Optimized Energy Performance (EAc1)

ƒ 26.5% savings vs. Title 24-2001 = 5 LEED credits
ƒ 2 more than currently claimed as “yes” credits
ƒ With additional efficiency measures, can reach 6 credits

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LEED Analysis, cont.

Optimized Energy Performance (EAc1)
Exterior shading

ƒ Energy savings = $13,000 per year
ƒ Cost = $1,800,000

With overhangs Without overhangs

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LEED Analysis, cont.

Optimized Energy Performance (EAc1)

Daylight redirecting devices with additional dimming
controls

ƒ Energy savings = $6,000 per year
ƒ Cost = $405,000

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LEED Analysis, cont.

Renewable Energy
(EAc2)

A photovoltaic system
that produces 2.5% of
the building’s energy
needs would earn 1
credit

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LEED Analysis, cont.

Controllability of Systems (IE6.2)

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LEED Analysis, cont.

Local Materials (MR5.2)

ƒ Requires that 50% of the
materials that are
manufactured locally also be
harvested locally (500 mile
radius)

ƒ Given the location of the
RLR3 project, this credit is
likely to be achieved.

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LEED - Resources

LEED Tools:

LEED Letter Templates

ƒ Template for every prerequisite & credit

LEED Calculators

ƒ Excel spreadsheets that calculate credits with given
project information

LEED Scorecard

ƒ Track the project’s LEED point progress

USGBC Website

ƒ Main source of knowledge about LEED, including the
*LEED Reference Guide, the *Sustainable Building
Technical Manual , and LEED Workshop registration

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LEED-
Letter Template

Design Case Table 43

Landscape Area Species Density Microclimate KL ETL IE TPWA
Type Factor
[SF] Factor Factor
Trees (ks)
Shrubs/Mulch 4,084 (kd) (kmc) 0.900 [gal]
Native Turf 2,895 1 0.2
Manicured Turf 10,766 1 0.2 1 1.0 1 0.5 0.1 0.71 Drip2 3,213
(replacement) 1 0.2 1 0.5 1,139
222 1 0.6 1 0.5 0.1 0.35 Drip2 0.900 14,635
1 0.6
1 1.0 0.1 0.85 Spri1nkler 0.625
--
1 0.6 1 1.0 0.4 2.55 Spri1nkler 0.625 905

-- -- Spri1nkler 0.625

-- -- -- Drip2 0.900

-- -- -- Drip2 0.900 LEED
Calculator
-- -- -- Spri1nkler 0.625

Total 17,967 Subtotal [gal] 19,892

July Graywater Harvest [gal]

Net GPWA [gal] 19,892

Baseline Case Table

Landscape Area Species Density Microclimate TPWA
Type Factor Factor
[SF] Factor KL ETL IE
Trees
Shrubs/Mulch 4,084 (ks) (kd) (kmc) [gal]
Manicured Turf 2,895
10,988 1 0.5 1 1.0 1 0.5 0.3 1.77 Spri1nkler 0.625 11,566

1 0.5 1 1.0 1 0.5 0.3 1.77 Spri1nkler 0.625 8,199

1 0.6 1 1.0 1 1.0 0.6 4.25 Spri1nkler 0.625 74,683

-- -- -- Spri1nkler 0.625
-- -- -- Spri1nkler 0.625
-- -- -- Drip2 0.900

-- -- -- Spri1nkler 0.625

-- -- -- Drip2 0.900
Net GPWA [gal] 94,448
Total 17,967

Irrigation Potable Water Use Reduction 79%

LEED Scorecard 44

Project Possible Credit Title
Y ? N Points Points Credit Category

Sustainable Sites
Y 0 0 Prerequisite 1 Erosion and Sedimentation Control

x0 1 Credit 1 Site Selection

x 1 1 Credit 2 Urban Redevelopment

x0 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

x0 1 Credit 4.4 Alternative Transportation, Minimum or No New Parking

x0 1 Credit 5.1 Reduced Site Disturbance, Protect or Restore Open Space
x0 1 Credit 5.2
x1 1 Credit 6.1 LEED GREEN BUILDING CERTIFICATION LEVELS

Reduced Site Disturbance, Reduce Footprint & Increase Open Space
Storm=w2a6te-r3M2anageLmEEenDt,CNEoRNTeItFIInEcDrease or 25% Decrease

x 1 1 Credit 6.2 Storm=w3a3te-r3M8anageLmEEenDt,CTEreRaTtmIFeInEtDSySsItLeVmEsR LEVEL

x1 1 Credit 7.1 Land=sc3a9pe- 5&1ExteriLoEr EDDesCigEn RtoTRIFeIdEuDceGHOeLaDt IsLlEanVdEsL, Site Surfaces

x1 1 Credit 7.2 Landscape & Exterior Design to Reduce Heat Islands, Roof Surfaces

x1 1 Credit 8 = 52 + LEED CERTIFIED PLATINUM LEVEL
248 14 Subtotal - Sustainable Sites Light Pollution Reduction

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www.usgbc.org

LEED Tool -
USGBC Webpage

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LEED- USGBC Webpage

ƒ Access to project registration
ƒ Access to technical assistance
ƒ Access to application for LEED

certification **
ƒ Submit CIR's **
ƒ View CIR's *, **

*USGBC Member
**Registered Projects

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LEED Submittals

ƒ Credits require supporting documentation to justify
the intent of the LEED point is met through design,
construction, and operation of the building.

ƒ Examples of supporting LEED submittals:

ƒ LEED Letter Templates
ƒ LEED Calculators
ƒ Drawings
ƒ Specifications
ƒ Product Cut Sheets
ƒ MSDS
ƒ Manufacturer’s statement
ƒ Photographs
ƒ Technical data or analysis

The Real Benefit of LEED 48

Architects Federal, Product
Local, Manufacturers
Building and State
Owners Governments Nonprofit Leaders

Planners

At the Table

Engineers

Financial Project Possible Credit Title Interior
Planners Y ? N Points Points Credit Category

Building UtiliYty 0 Sustainable Sites Erosion and Sedimentation Control Designers
Tenants x0 0 Prerequisite 1
1 Credit 1 Site Selection
Manxagers 1 1 Credit 2
x0 1 Credit 3 LandscapeUrban Redevelopment
1 Credit 4.1
x1 1 Credit 4.2 Brownfield Redevelopment

x1 ArchitectsAlternative Transportation, Locate Near Public Transportation

Alternative Transportation, Bicycle Storage & Changing Rooms

x 0 1 Credit 4.3 Alternative Transportation, Alternative Fuel Refueling Stations

x0 1 Credit 4.4 Alternative Transportation, Minimum or No New Parking

x0 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

x1 1 Credit 6.1 Stormwater Management, No Net Increase or 25% Decrease
x1
x1 1 Credit 6.2 PropertyStormwater Management, Treatment Systems Code
x1 1 Credit 7.1 Landscape & Exterior Design to Reduce Heat Islands, Site Surfaces
x1 1 Credit 7.2
Managers OfficialsLandscape & Exterior Design to Reduce Heat Islands, Roof Surfaces
248 1 Credit 8 Light Pollution Reduction

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