Pass the USGBC Leadership in Energy and Environmental Design (LEED) LEED-Green-Associate Questions and answers with Dumpstech

A neighborhood that includes a diversity of uses is most appropriate to encourage a walkable street design. A diversity of uses means that different types of activities and functions are located within walking distance of each other, such as residential, commercial, retail, educational, recreational, cultural, and civic uses. A diversity of uses creates a vibrant and lively neighborhood that attracts pedestrians and supports social interaction. A walkable street design also incorporates elements such as sidewalks, crosswalks, street trees, lighting, benches, bike lanes, public transit stops, and reduced vehicle speeds to enhance pedestrian safety and comfort. The other options are not appropriate to encourage a walkable street design. An area with a decreased building-height-to-street-width ratio creates a wide and open street that exposes pedestrians to more sun and wind, reducing their comfort level. A development that uses many culs-de-sac in the street design creates a disconnected and irregular street network that limits pedestrian access and mobility. A project in an area designed with streets to facilitate increased speed limits prioritizes vehicle movement over pedestrian safety and comfort. References: LEED Green Associate Candidate Handbook, page 29; USGBC [Location & Transportation], page 2-3.

This formula is used to calculate the percentage of restoration area for the LEED v4 credit SSc2: Protect or Restore Habitat1. The restoration area is the portion of the site that is restored with native or adapted vegetation, and the total previously disturbed site area is the area that was altered by human activity before the project2.

References := NC-v4.1 SSc2: Protect or Restore Habitat | LEEDuser, LEED CERTIFICATION- REQUIREMENTS FOR SS CREDIT: PROTECT OR RESTORE …

The reclaimed wood doors can be used to meet the Materials Reuse credit under the Building Product Disclosure and Optimization category in LEED v4. This credit rewards projects for reusing materials that have been recovered from existing buildings or products, and reduces the demand for virgin materials and the associated environmental impacts. The credit does not have any distance requirements for the source of the reused materials, unlike the Recycled Content and Regional Materials credits.

LEED v4: Building Design + Construction Guide1, page 36

LEED v4 and Low Carbon Building Materials2, page 19

To maintain the LEED Green Associate credential, you must earn 30 continuing education hours every two years, with at least six of those hours being LEED specific. This requirement ensures that LEED Green Associates stay up-to-date with the latest developments in green building practices and LEED rating systems. References: LEED Green Associate Candidate Handbook, U.S. Green Building Council resources

LEED AP credentials can contribute a point under the Innovation category, which rewardsprojects for achieving exceptional or innovative performance above the requirements set by the LEED rating system12. Having a LEED AP with specialty on the projectteam is one of the possible strategies to earn this point, as it demonstrates expertise and commitment to the green building process34. The specialty credential must match the rating system of the project4.

References :=

Innovation | U.S. Green Building Council

LEED v4.1 BD+C | U.S. Green Building Council

Get a LEED AP with specialty on your team | LEEDuser

LEED professional credentials | U.S. Green Building Council

LEED MPRs state:

“Must be in a permanent location on existing land… Must use reasonable LEED boundaries… Must comply with project size requirements: BD+C and O+M: minimum 1,000 sq ft…”

Only option B satisfies all these conditions.

A wind turbine is a source of green power, which is electricity generated from renewable sources that have low or zero greenhouse gas emissions. A wind turbine converts the kinetic energy of the wind into mechanical power, which can then be used to generate electricity. Wind power is a clean, abundant, and sustainable form of energy that does not produce air pollution or contribute to climate change. According to the U.S. Department of Energy, wind power accounted for about 8.4% of the total U.S. electricity generation in 2020. The other options are not sources of green power, as they either rely on fossil fuels or nuclear energy, which have significant environmental and social impacts. Clean coal is a term used to describe technologies that aim to reduce the emissions and waste from burning coal, but it is still a carbon-intensive and polluting source of energy. Nuclear fission is a process that splits atoms to release energy, but it also produces radioactive waste that poses long-term health and safety risks. Natural gas captured by hydraulic fracturing, or fracking, is a process that injects water, chemicals, and sand into underground rock formations to release natural gas, but it also causes water contamination, air pollution, and seismic activity. References: LEED v4 Reference Guide for Building Design and Construction, p. 347 1; [U.S. Department of Energy website]

The Montreal Protocol is an international treaty that aims to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS). ODS are chemicals that contain chlorine or bromine, which can destroy the ozone molecules in the stratosphere. CFCs, or chlorofluorocarbons, are a group of ODS that were widely used in refrigeration, air conditioning, aerosols, and solvents. The Montreal Protocol banned the production of CFCs in 201012. Freon is a trade name for some CFCs and HCFCs, or hydrochlorofluorocarbons, which are also ODS but less harmful than CFCs. The Montreal Protocol also controls the production of HCFCs, which are being phased out gradually12. Ammonia is not an ODS and is not regulated by the Montreal Protocol1.

The Montreal Protocol on Substances That Deplete the Ozone Layer | U.S. Department of State2

Montreal Protocol - Wikipedia1

The Montreal Protocol: fixing the ozone layer and taking climate action - Canada.ca3

The LEED for Neighborhood Development rating system has four certification levels: Certified, Silver, Gold, and Platinum. Each level requires a minimum number of points to achieve, based on the total number of available points in the rating system. The total number of available points is 110, and the minimum points for Platinum certification is 801. Therefore, the maximum points a new construction platinum LEED for Neighborhood Development certification level can earn are 110 - 80 = 30 points. However, there are also four regional priority credits that can be earned for addressing geographicallyspecific environmental issues2. These credits are worth one point each, and can be added to the total score of a project. Therefore, the maximum possible points a new construction platinum LEED for Neighborhood Development certification level can earn are 30 + 4 = 34 points. However, the question asks for the maximum points that can be earned by a new construction project. According to the LEED Reference Guide for ND, new construction projects must meet all prerequisites and achieve at least 50% of the points available under the Green Infrastructure and Buildings category3. This category has 21 criteria, each worth one point, except forCertified Green Buildings, which is worth up to five points4. Therefore, the maximum points available under this category are 21 + 4 = 25 points. Since new construction projects must achieve at least 50% of these points, they must earn at least 13 points under this category. This means that they have less points to earn under the other categories (Smart Location and Linkage, and Neighborhood Pattern and Design), which have a total of 32 criteria worth one point each4. Therefore, the maximum points a new construction project can earn under these categories are 110 - 25 - 13 = 72 points. Adding the regional priority credits, the maximum possible points a new construction project can earn are 72 + 4 = 76 points. To achieve Platinum certification, a new construction project must earn at least 80 points1. Therefore, the maximum points a new construction platinum LEED for Neighborhood Development certification level can earn are 80 - 76 = 4 points under each of the four categories: Smart Location and Linkage, Neighborhood Pattern and Design, Green Infrastructure and Buildings, and Regional Priority Credits. Hence, the answer is D. 16.

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LEED certification for neighborhood development

LEED Reference Guide for ND

LEED for NeighborhoodDevelopment - Wikipedia

LEED rating system

LEED for Neighborhood Development - Infrastructure Tool Navigator

A high-efficiency HVAC (Heating, Ventilation, and Air Conditioning) system can directly reduce a building’s greenhouse gas emissions by using less energy than a standard system. Since most energy production involves the burning of fossil fuels, which releases greenhouse gases, using less energy results in fewer emissions. References: LEED Green Associate Candidate Handbook, U.S. Green Building Council resources