Chapter 2: Introduction to LEED Rating Systems

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Disclaimer

LEED® and USGBC® are registered trademarks of the U.S. Green Building Council. The author is not affiliated to USGBC or GBCI. The information provided in the presentation are compiled by the author and is not endorsed by USGBC or GBCI

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Learning Objectives

• What is LEED?• Principles of LEED• Various LEED Rating systems• How does the LEED Rating systems work?• USGBC, GBCI & LEED Online• Minimum Program requirements of LEED

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How many points did I

score?Did I pass?

Internationally recognized Green Building rating system developed by USGBC

LEED – Leadership in Energy & Environmental Design

Characteristics of LEED

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• Provide a concise framework for identifying and implementing practical and measurable green building design, construction, operations and maintenance solutions

• Voluntary Rating System• Consensus based system• Third party Certification

• Social Responsibility (People): Better living conditions for people

• Environmental Stewardship (Planet) : Less impact on

environment• Economic Prosperity (Profit):

Reduce the Life Cycle cost of building

Triple bottom line

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Various LEED Rating Systems

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LEED Rating System families

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Major Renovation includes any of the followinga.Building Envelope Changesb.HVAC system changesc.Major Interior changes

LEED for BD+C adaption

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Applicable for• Projects whose scope is

significantly restricted to Core & Shell of the buildingCore – StructureShell –building envelopeExample: Shopping Malls

LEED BD+C: Core & Shell

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LEED BD+C: Schools

Applicable for• Academic buildings of K-12

schools• Non academic buildings of

schools, Post secondary academic buildings and pre kinder garden buildings may qualify for both for LEED BD+C: Schools & NC

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LEED BD+C: Data Centers

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• Applicable for specifically designed and equipped to meet the needs of high density computing equipment such as server racks, used for data storage and processing.

LEED BD+C: Retail

Applicable for retail building projects like banks, restaurants, apparel, electronics, big box  etc.

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LEED BD+C: Warehouse and distribution Centers

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Applicable for buildings used to store goods, manufactured products, merchandise, raw materials or personal belongings

LEED BD+C: Hospitality

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• Applicable for buildings dedicated to hotels, motels, inns, or other businesses within the service industry that provide transitional or short-term lodging with or without food.

LEED BD+C: Health Care

Applicable for• Inpatient and outpatient

health care facilities• Licensed long term health

care facilities. • Medical offices, assisted

living facilities and medical education and research centers

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Applicable for• Office buildings, library,

museum, church etc• High rise Residential

buildings i.e. 9+ habitable stories

LEED BD+C: New Construction

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LEED for Homes adaption

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LEED Homes: Homes and Multifamily Lowrise

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Applicable for•Single family housing•Low rise multi family housing( upto 3 habitable stories)

LEED Homes: Multifamily Midrise

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Applicable for multi-family residential buildings of 4 to 8 occupiable stories above grade.

LEED for ID+C adaption

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LEED ID+C: Retail

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Applicable for retail interior projects like banks, restaurants, apparel, electronics, big box  etc.

LEED ID+C: Hospitality

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Applicable for interior spaces dedicated to hotels, motels, inns, or other businesses within the service industry that provide transitional or short-term lodging with or without food.

• Applicable for Interior spaces dedicated to functions other than retail or hospitality.

LEED ID+C: Commercial Interiors

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LEED for O+M adaption

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LEED for ND adaption

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LEED for Neighborhood Development(LEED ND): Plan

•Applicable for projects in conceptual planning or master planning or under construction stage

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LEED for Neighborhood Development(LEED ND): Built Project

Applicable for completed development projects.

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Summary of LEED Rating system Adoption fordifferent project typologies

LEED For Building Design and Construction

LEED for Homes

LEED for Interior Design and Construction

LEED for Building Operation and Maintenance

LEED for Neighbourhood Development:

LEED BD+C: New Construction

LEED BD+C: Core and Shell

LEED BD+C: Schools LEED BD+C: Retail LEED BD+C:

Healthcare LEED BD+C: Data

Centers LEED BD+C:

Hospitality LEED BD+C:

Warehouses and Distribution Centers

LEED Homes: Homes and Multifamily Lowrise LEED Homes: Multifamily Midrise

LEED ID+C: Commercial Interiors LEED ID+C: Retail LEED ID+C: Hospitality

LEED O+M: Existing Buildings LEED O+M: Data Centers LEED O+M: Warehouses and Distribution Centers LEED O+M: Hospitality LEED O+M: Schools LEED O+M: Retail

LEED ND: Plan LEED ND: Build Project

Selecting an appropriate rating system

• Most projects shall fit into a particular rating system.• In case of confusion

– Apply 60/40 rule. Select the rating system which is applicable for 60% or more the project area.

– The rating system which is most applicable for the project should be selected.

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Single Project/Building can earn Multiple Certification

• Example: Owner of a new Core & Shell building may apply for LEED BD+C: CS and tenants of the same building may apply for LEED ID+C, the owner may apply for LEED O+M: Existing Buildings after the building is occupied

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How does LEED Rating Systems work?

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Credit Categories in LEED Rating systems

• Integrative Process (IP)• Location and Transportation(LT)• Sustainable Sites(SS)• Water Efficiency(WE)• Energy & Atmosphere(EA)• Materials & Resources(MR)• Indoor Environmental Quality(IEQ)• Innovation(IN)• Regional Priority(RP)

Main Credit categories

Bonus categories

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Prerequisites are mandatory requirements for a project to be certified.

Credits are optional requirements. Points are awarded when project comply with credit requirements.

Levels of LEED Certification

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Prerequisites Credits+

Certified, Silver, Gold or Platinum

LEED Rating System

Credit Categories

Satisfy mandatory requirements + earn points

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How Points are allotted?

Points are allotted based on how the credit supports LEED Goals

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Weight age for different Impact categories

LEED Reference Manuals : Publications by USGBC which details the intent, requirement, strategies, calculations etc for each credit in the rating system.

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USGBC, GBCI & LEED Online

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• Only buildings can be certified by LEED• LEED Green Associate, LEED AP and LEED AP Fellow are

LEED Credentials • LEED does not endorse or certify any products. Products

can only help you complying with credit requirements• Individuals cannot be members of USGBC. Only

companies can be members.• Full time employees of USGBC member companies are

considered as USGBC members. • USGBC member companies can use USGBC logo in

website, business cards and email signatures

Points to remember about LEED & USGBC

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• Must be in a permanent location on existing land

• Must use reasonable & consistent site/LEED boundaries• Must comply with project size requirements

• 1000 sq.ft for LEED BD+C and LEED O+M and 250 sq.ft

for LEED ID+C

• LEED ND: should contain at least two habitable buildings

and be no larger than 1500 acres

• LEED Homes: Should be a dwelling unit

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Minimum Program Requirements – MPR

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Existing Building 1 Existing

Building 2

Proposed New Building

site boundary(building foot print + area affected because of the development)

The LEED project boundary is the portion of the project site submitted for LEED certification. For multiple building developments, the LEED project boundary may be a portion of the development as determined by the project team.

Site Boundary/LEED Boundary

Purpose of MPR

• To provide clear guidance to the customers• To reduce the challenges that may arise during

the certification process• To protect the integrity of LEED program

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Requirements for a Project to be LEED Certified

• The project should comply with Minimum Program Requirements of the rating system

• The project should comply with all the prerequisites of the rating system

• The project should earn minimum number of points required for Certification.

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Summary

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• What is LEED?• Principles of LEED• Various LEED Rating systems• How does the LEED Rating systems work?• USGBC, GBCI & LEED Online• Minimum Program requirements of LEED

Questions?Ask your questions in the forum section

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