LEED GA Exam 2013

What does LEED stand for?
Leadership in Energy and Environmental Design
(2) Parts to the LEED Environment
1. Accreditation of professionals2. Certification of sustainable projects
(3) Tiers of professional LEED Accreditation
1. LEED Green Associate2. LEED Accredited Professional (AP)3.

LEED AP Fellow

GBCI (2) Basic Functions
1. Development and administration of the accreditation examinations2. Managing the LEED project certification process in its entirety

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USGBC: Develops LEED Green Building Rating SystemsGBCI: Provides 3rd Party LEED Professional credentials
What is the USGBC?
U.S. Green Building Council- Committee based; member driven; consensus focused- Provides tools and expertise; Educates the industry and public
Triple Bottom Line
Economic ProsperitySocial ResponsibilityEnvironmental Stewardship(People, Profit, Planet)
LEED Rating System: Project Types
LEED for New ContsructionLEED for Core & ShellLEED for Commercial InteriorsLEED for SchoolsLEED for HomesLEED for Existing Buildings (O&M)LEED for Healthcare; for Retail; for Neighborhood Development
Green Building Categories
Sustainable SitesWater EfficiencyEnergy and AtmosphereMaterials and ResourcesIndoor Environmental QualityInnovation in DesignRegional Priority
LEED for New Construction
– New Buildings and Major Renovation- 4+ habitable stories- Major HVAC Replacement or modification- Owner or tenant occupies greater than 50% of leasable space
LEED for Core and Shell
– Developer does not control leasable tenant space- Owner or tenant occupies less than 50% of leasable area
LEED for Commercial Interiors
– Tenant Space- Tenant spaces cannot occupy entire building*Works hand-in-hand with LEED Core and Shell
Multiople Certifications:- LEED for NC, CS, or Schools- LEED for CS
– LEED for NC, CS, or Schools = LEED E.B. (O&M)– LEED for CS = LEED for CI
LEED Reference Guide (2009)
– Process for achieving LEED certification- Credit and pre-req. information- Resources and standards for the rating system
Prerequisites vs.


Prerequisites: Mandatory for certification; earn the project NO points Credits: Non-mandatory; Certification requires achievement of a minimum number of credit points
LEED Certification Types and Points
– Certified: 40-49 pts.- Silver: 50-59 pts.- Gold: 60-79 pts.- Platinum: 80+ pts.

Prerequisites: Intents vs. Requirements
Intents: Sustainability goal Requirements: Method to achieve sustainability goal
Expemplary Performance
– Earning additional points for exceeding the minimum credit performance ** No prerequisites offer expemplary performance points
Building Carbon Footprint
Total greenhouse gas emissions associated with its construction and operation.
Credit Interpretation Requests (CIRs)
– Can be submitted anytime after project registration- Must be submitted via LEED Online- One per prerequisite or credit per submittal- Cannot be revised after submittal- $220 per each application
Who can review CIRs?
USGBC company members, LEED registered project team members, and USGBC workshop attendees
Minimum Project Requirements (MPRs)GOALS
(3) Goals:1. Provide clear guidance to customer2. Protect integrity of the LEED Program3.

Reduce complications that may occur during certification process

Minimum Project Requirements (MPRs)REQUIREMENTS
1. Must comply with Environmental Laws2. Be a complete or Permanent Building/Space3. Use a reasonable Site Boundary4.

Comply with Minimum Floor Area Requirements5. Comply with Minimum Occupancy Rates6. Commit to sharing Whole Building Energy and Water Usage Data for 5 years7. Comply with Minimum Building Area to Site Area Ratio

Minimum Floor Area Requirement
1,000 SF* LEED for CI: 250 SF
Minimum Occupancy Rate
1 FTE* LEED E.B. (O&M): 1 FTE, systems in bldg. must be operation 12 months before certification
Minimum Building Area to Site Area Ratio
[Gross Floor Area] must be GREATER THAN 2% of the [GROSS LAND AREA] within the LEED project boundary
LEED Project Boundary
All contigous land that is associated with the LEED project building*Gerrymandering is prohibited!
LEED Online
– Where the project teams manage the LEED registration- Complete documentation requirements- Submit applications for review- Earn LEED certification
Credit Scorecard
– Assess and track attempted credits- Lists all prerequisites and credits for each category [yes; no; maybe]
– Provides project coordination– Responsibilities and status of team members– Project Team documentation coordination– Entire certification process– Coordinates codes and standards** MUST play a principle role in the project to be eligibile for an Innovation in Design Credit
LEED Certification is provided by _______
an independent 3rd party
Submittal Review Status
1. Anticipated: does not guarantee acceptance; credit is belived to meet requirements2.

Pending: GBCI requires more information3. Awarded: Met the requirements, and points are earned4. Denied: Has not met requirements

LEED Technical Advisory Group (TAG)
Assist in interpreting credits and developing technical improvements to the LEED Green Building rating system
USGBC Logo Policy
– The mark may be used only to refer to the USGBC program or products.– The mark may not be used on any type of product packaging– The official organization name is the U.S. Green Building Council. – “USGBC” is the official acronym-Use of the LEED Certification Mark is authorized only after a project is LEED certified.

Project Certification Process

  1. Register Project
  2. Prepare Application
  3. Submit Application
  4. Application Review
  5. Certification

Suistainable Sites
– Site selection- Transportation related emission reduction- Stormwater management- Heat island reduction- Light pollution reduction- Protection of existing habitats and ecosystems
Property Boundary vs. Project Boundary
Property Boundary: Total area within the legal boundaries of the site; it encompasses all areas of the site, including constructed and nonconstructed areasProject Boundary: The platted property line of the project defining land and water within it
Transportation accounts for XX% of the Nation’s greenhouse gas emissions
Site Selection Strategies
– Increase development density- Redevelopment: previously developed site; restore brownfield site- Protect the habitat- Urban development: mass transit and community connectivity
Erosion and Sedimentation Control Plan (ESC)
– Reduce construction Pollution- Prevent loss of soil by stormwater and wind- Prevent sedimentation- Prevent pollution of the air
ESC Strategies
– Mulching– Erosion control blankets– Straw bales– Berms– Silt fence– Reduce site disturbance– Reduce building footprint/ increase open space– Protect and restore existing habitat
Stormwater Management Plan (SWP)
Reduces and controls the amount of inreased sormwater created by the project.
SWP: Quantity Control Strategies
– Minimize impervious areas- Grid pavers- Vegetated roofs- Ridirect flow rate (retention and detention ponds, rain gardens, etc.)- Harvest rainwater: Collect and reuse
Heat Island Effect
Urban area which is significantly warmer than its surrounding rural areas by 2-10°(Roofs and Non-roofs)
The ability of a material to emit heat by radiation
Albedo (Solar Reflectance)
The measure of a material’s ability to relfect sunlight
Solar Reflectance Ratio (SRI)
The measure of a material’s ability to reject solar heat
Ideal relationship:_______ Emissivity and _____ Albedo and SRI.

LOWER Emissivity and HIGHER Albedo and SRI.
The amount of absorbed heat that is radiated from a surface
Green Roof Benefits
– Reduce the buildings’ energy consumption- Provides vegetated open space and refuge for habitats- Reduces the heat island effect
Reducing Heat Island Effect Strategies: NONROOFS
– Reduce area of hardscapes- Shading (50%+ of total hardscape)- Cool Pavements- Open grid pavement systems- Parking under cover (atleast 50%; roof of cover must be a minimum SRI of 29)
Reducing Heat Island Effect Strategies- ROOFS
– Cool roofs (controlled SRI value of roof materials; atleast 75% of roof area)- Green Roofs (covers atleast 50%)- Install high albedo (SRI) roof surfaces
Intent of Light Pollution Reduction
– Minimize light trespass from the building and the site– Reduce sky glow to increase night sky access– Improve nighttime visibility through glare reduction– Reduce development impact on nocturnal environments
Light Pollution Reduction Strategies- INTERIOR 
– Indirect interior lighting- Shut-off non emergency lighting- Automatic shielding 
Light Pollution Reduction Strategies- EXTERIOR


– Design site lighting with a computer model- Only light requried areas (comfort and safety)- Shut-off and/or reduce lighting levels for non-essential lighting- Use full cut-off light fixtures, low angle spotlights, & low reflectance surfaces
Development Density(Credit Option Requirement)
Construct or renovate a building on a previously developed site and in a community with a minimum density of 60,000 SF/acre– based on 2-story buildings- Gross building area (SF) per site area (Acres)
Full Time Equivalent (FTE)
Regular building occupant who spends 40 hours per week in the project building.- Part Time FTE: Value based on their hours per week divided by 40
The variety of life in all forms, levels, and combinations, including ecosystem diversity, species diversity, and genetic diversity.

plant material from trees, grasses, or crops that can be converted to heat energy to produce electricity.
SWP: Triple Bottom Line
Economic: Early implemented SWP reduces damage to site that later must be corrected.Social: Reducing damage to adjoining propertiesEnvironment: Reduces flood and sedimentationof downstream land and waterways; irrigation uses for reused stormwater
Water Efficiency Intent
Indoor potable water reductionOutdoor potable water reductionWater efficiency as a teaching tool
Potable Water
Water that meets or exceeds EPA’s drinking water quality standards and is approved for human consumption
Domestic waste water composed of wash water from kitchen, bathroom, and laundry sinks, tubs, and washers.- Untreated household water
Wastewater from toilets and urinals
Spent or used water from a home, farm, community, or industry
Runoff water resulting from precipitation
Potable Water Use Reduction-INDOOR
– Using nonpotable water sources- Installing water efficient fixtures- Reuse of stormwater and graywater for toilet flushing and custodial purposes
Potable Water Use Reduction-OUTDOOR
– Use of native plants- Drip irrigation
Potable Water Use Reduction Benefits
1. Increased water efficiency2.

Reduction of energy consumption3. Reduction of energy related pollution

Indoor Water
Water closets (toilets), urinals, lavatories, showers, sinks
Outdoor Water
landscape irrigation
Process water
Building equipment that require water
Flush Fixtures vs. Flow Fixtures
Flush: Gallons per flush (GPF- toilets and urinals Flow: Gallons per minute (GPM)- faucets, lavatories, sinks, and showerheads
Energy Policy Act of 1992 (EPAct)
Standard plumbing fixtures regulation
Water Closets ____ GPF Urinals ____ GPF
Water closets 1.6 GPFUrinals 1.0 GPF
Toilets account for XX% of our daily water consumption
Toilets account for 25% of our daily water consumption
EPA sponsored partnership program that promotes water efficiency for water efficient products, programs, and practices
Meters indoor water and irrigation systems to monitor consumption and locate leaks
Energy and Atmosphere Intent
Reducing energy demand, increasing energy efficiency, building and building-systems commissioning, managing refrigerants, renewable energy, energy performance
Fossil Fuels
fuels formed by natural processes such as anaerobic decomposition of buried dead organisms
Buildings consume approximately XX% of energy and XX% of the electricity produced in the US
Buildings consume approximately 39% of energy and 72% of the electricity produced in the US
Burning Fossil Fuels produces combustion that releases:
1. Carbon Dioxide (CO2)2. Greenhouse gases that contribute to climate change
(4) Key Elements of Energy Usage

energy demand2. energy efficiency3. renewable energy4. ongoing energy performance

Building Simulation Model (energy)
Analyzes and compares the energy consumption of the design case against a baseline case for a similar building which is designed to conventional building and engineering standards.
Renewable Energy Sources

  • Photovoltaic
  • Wind energy
  • Solar thermal- active and passive
  • Biofuels (wood by-products and agricultural waste)
  • Geothermal heating
  • Low impact hydroelectric
  • Wave and tidal

Renewable Energy Certificates (RECs)
sold separately from the underlying physical electricity – Off site renewable energy