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NEW QUESTION # 81
What is a benefit of including the public in a charrette for a new school before the pre-design phase?
- A. Neighbors can plan for future construction
- B. The owner can determine financial strategies based on the public's input
- C. It will help streamline the permitting process
- D. Potential partnerships with the community can be revealed
Answer: D
Explanation:
Explanation
A charrette is a collaborative design process that involves multiple stakeholders, such as the owner, the design team, the community, and the users. By including the public in a charrette for a new school before the pre-design phase, potential partnerships with the community can be revealed. For example, the school might share facilities or resources with a nearby library, park, or community center. This can enhance the social and environmental benefits of the project, as well as reduce costs and increase efficiency. References: LEED BD+C Reference Guide, Introduction, page 171; LEED BD+C Reference Guide, Integrative Process, page 291
NEW QUESTION # 82
Which of the following strategies will aid in reducing indoor water use?
- A. Optimize consumption of showerheads
- B. Exclude janitor closets in the building
- C. Use high-efficiency HVAC systems
- D. Design drip irrigation for landscape
Answer: A
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, one of the strategies to reduce indoor water use is to optimize the consumption of showerheads by selecting fixtures that have a flow rate lower than the baseline of 2.0 gallons per minute (gpm) at 80 psi, or a local equivalent for projects outside the U.S.This can help the project achieve the Water Efficiency Prerequisite, Indoor Water Use Reduction, and the Water Efficiency Credit, Indoor Water Use Reduction, by reducing the aggregate water consumption from plumbing fixtures and fittings by at least 20% from the baseline1.
The other choices are not strategies to reduce indoor water use, because:
* Designing drip irrigation for landscape is a strategy to reduce outdoor water use, not indoor water use1.
* Using high-efficiency HVAC systems is a strategy to reduce energy use, not water use, although it may have some indirect water savings by reducing the cooling tower water use2.
* Excluding janitor closets in the building is not a feasible or practical strategy, as janitor closets are necessary for cleaning and maintenance purposes, and may also be required by codes or standards3.
References: LEED v4: Building Design + Construction Guide, Water Efficiency Prerequisite, Indoor Water Use Reduction, Requirements1; LEED v4: Building Design + Construction Guide, Water Efficiency Credit, Indoor Water Use Reduction, Requirements1; LEED v4: Building Design + Construction Guide, Energy and Atmosphere Credit, Optimize Energy Performance, Requirements2; LEED v4: Building Design + Construction Guide, Indoor Environmental Quality Credit, Green Cleaning - High-Performance Cleaning Program, Requirements3
NEW QUESTION # 83
During the early stages of a LEED for Schools project, the team was able to reduce the number of lighting fixtures in classrooms by 25% because the project team selected paint color whose light reflectance value was
75% instead of the initially proposed 64% value. This strategy is an example of applying which of the following credits to the project?
- A. Integrative Process Credit
- B. Innovation Credit, Innovation
- C. Materials and Resources Credit, Interiors Life-Cycle Impact Reduction
- D. Indoor Environmental Quality Credit, Interior Lighting, Option 1. Lighting Control
Answer: A
Explanation:
Explanation
The Integrative Process Credit is a credit in LEED Building Design and Construction that supports high-performance, cost-effective project outcomes through an early analysis of the interrelationships among systems1. The credit requires project teams to perform analyses for both energy- and water-related systems before completing the schematic design, and to use the findings to inform the owner's project requirements, basis of design, and design and construction documents1. The example given in the question is an illustration of how selecting a paint color with a higher light reflectance value can reduce the energy use and cost of lighting fixtures, which is an energy-related system. This strategy shows how the project team applied an integrative process to evaluate the impacts of different design options on the building performance and environmental benefits. Therefore, the correct answer is B. Integrative Process Credit.
References:
Integrative Process
NEW QUESTION # 84
Which of the following will result in a higher demand for potable water use in irrigation?
- A. High evapotranspiration rate
- B. Sparsely planted area
- C. Rainwater harvesting system
- D. Drip irrigation system
Answer: A
Explanation:
Explanation
The answer is C. A high evapotranspiration rate will result in a higher demand for potable water use in irrigation. Evapotranspiration is the process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants. The higher the evapotranspiration rate, the more water is lost from the soil and plants, and the more irrigation is needed to replenish the moisture. The other options will not increase the demand for potable water use in irrigation. A sparsely planted area will have less vegetation and less transpiration, reducing the water demand. A drip irrigation system will deliver water directly to the plant roots, minimizing evaporation and runoff, and saving water. A rainwater harvesting system will collect and store rainwater for irrigation, reducing the reliance on potable water sources.For more information on outdoor water use reduction and irrigation efficiency, you can refer to the LEED v4 Reference Guide for Building Design and Construction1or the WaterSense Water Budget Tool2.
NEW QUESTION # 85
The use of lead, mercury, copper and cadmium should be limited because they all
- A. are persistent bioaccumulative toxins
- B. take an unreasonable amount of energy to recycle
- C. reduce the life cycle assessment of a building
- D. interfere with the magnetic instruments in a medical building
Answer: A
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, lead, mercury, copper and cadmium are examples of persistent bioaccumulative toxins (PBTs) that should be limited in building products. PBTs are substances that remain in the environment for long periods of time, accumulate in living organisms, and pose health risks to humans and wildlife. One of the prerequisites for the Materials and Resources Credit, Building Product Disclosure and Optimization - Material Ingredients, is to reduce the use of products that contain PBTs above certain thresholds1. References: LEED v4: Building Design + Construction Guide, Materials and Resources Credit, Building Product Disclosure and Optimization - Material Ingredients, Option 3: Product Manufacturer Supply Chain Optimization1
NEW QUESTION # 86
A building owner is considering the installation of a solar thermal panel on the roof of the building. The initial cost of the system is higher than a conventional natural gas system. Which of the following is true to make the renewable energy option economically feasible?
- A. Utility cost savings over the lifetime of the system must be lower than the higher initial cost of the system
- B. Higher initial cost must exceed the savings on the utility cost over the lifetime of the system
- C. Higher initial cost must exceed the cost of the utility over the lifetime of the system
- D. Utility cost savings over the lifetime of the system must offset the higher initial cost
Answer: D
Explanation:
Explanation
The renewable energy option is economically feasible if the present value of the utility cost savings over the lifetime of the system is greater than or equal to the present value of the higher initial cost of the system. This means that the system will pay for itself and generate net savings in the long run. The utility cost savings depend on the amount of energy produced by the solar thermal panel, the price of natural gas, and the inflation rate. The higher initial cost depends on the size, type, and installation of the solar thermal panel.
References:
* Solar Thermal: Complete Guide to the Pros, Cons and Costs
* Renewable Energy vs Natural Gas - How The Costs Stack Up
* Is Solar Cheaper Than Natural Gas? - PowerSouth Energy Cooperative
* LEED Reference Guide for Building Design and Construction v4
NEW QUESTION # 87
A project team member has prepared a map and accompanying table as documentation for the Location and Transportation Credit. Surrounding Density and Diverse Uses. Option 2. Diverse Uses. The map includes the location of each diverse use. the location of the project and the main entrance of the building. The table includes the distance to each use. the name of each use and the category of each use The team lead reviews the documentation and notes an important missing item. Which of the following is the most important item to add to the documentation?
- A. A calculation of the expected number of project occupants who will visit each use
- B. The location of parking lots near each use
- C. Walking routes from the project to each use
- D. A description of each use
Answer: C
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide1, Option 2 of the Surrounding Density and Diverse Uses credit requires the project to be within walking distance of at least 10 diverse uses. The guide also states that "walking distance is defined as the distance that a pedestrian must travel between origins and destinations without obstruction, in a safe and comfortable environment on a continuous network of sidewalks, all weather-surface footpaths, crosswalks, or equivalent pedestrian facilities." Therefore, the documentation must include walking routes from the project to each use to demonstrate that the distance requirement is met. References:
* LEED v4: Building Design + Construction Guide
* CI-v4.1 LTc2: Surrounding density and diverse uses | LEEDuser
NEW QUESTION # 88
When working on a renovation project, asbestos containing materials have been found on the perimeter walls.
When calculating the percentage of building being reused under the Materials and Resources Credit, Building Life-Cycle Impact Reduction, the materials remediated will be
- A. excluded from the calculation
- B. included in the calculation
- C. excluded if the total volume is less than 25% of the building being reused
- D. excluded if the total volume is more than 25% of the building being reused
Answer: A
Explanation:
Explanation
The Materials and Resources Credit, Building Life-Cycle Impact Reduction, rewards projects that reuse existing building structures and envelopes, or salvage materials from off-site or on-site sources. According to the LEED v4 Reference Guide for Building Design and Construction, the project team must calculate the percentage of building being reused by dividing the area of the existing building structure and envelope that is reused by the total area of the completed building structure and envelope1. However, the project team must exclude from the calculation any hazardous materials that are remediated as a part of the project, such as asbestos, lead, mold, or PCBs1. Therefore, the asbestos containing materials found on the perimeter walls will be excluded from the calculation, regardless of the volume.
References:
*LEED v4 Reference Guide for Building Design and Construction, Materials and Resources Credit: Building Life-Cycle Impact Reduction, page 5451
*Building life-cycle impact reduction | U.S. Green Building Council2
NEW QUESTION # 89
A project in a cold climate does not want a highly reflective roof because they want the heat absorption. How can this project comply with Sustainable Sites Credit, Heat Island Reduction?
- A. The credit is not feasible for this project
- B. The credit is applicable for projects that document this special condition
- C. The credit may be achieved by using nonroof measures only
- D. The credit can only be achieved by using an alternative compliance path
Answer: C
Explanation:
Explanation
The credit may be achieved by using nonroof measures only, such as shading, paving, and vegetation, to reduce the heat island effect on the site. The credit does not require a highly reflective roof for all projects, but allows for flexibility and trade-offs depending on the climate and design conditions. The project can use the Heat Island Reduction 1 to demonstrate compliance with the credit requirements. The credit is feasible and applicable for this project, and does not need an alternative compliance path. References: SS Credit Heat Island Reduction, LEED v4 Reference Guide for Building Design and Construction234
NEW QUESTION # 90
A school wants to incorporate natural daylighting in classrooms on all sides of the building. What can the project design team explain to the school district about how this strategy will affect the operational energy cost?
- A. Having the lights off reduces the electricity use
- B. There would be passive solar heating benefits to all of the classrooms
- C. Heat gain will reduce the air conditioning load
- D. Reduction in lighting fixture use reduces re-lamping
Answer: A
Explanation:
Explanation
Natural daylighting can reduce the electricity use for artificial lighting, which is one of the major components of operational energy cost for buildings. By having the lights off or dimmed when sufficient daylight is available, the project can save energy and money. The other options are not necessarily true or relevant for natural daylighting. Heat gain and passive solar heating depend on the orientation, shading, and insulation of the windows, not just the amount of daylight. Reduction in lighting fixture use may reduce re-lamping, but that is not a significant factor in operational energy cost compared to electricity use. References: EA Credit Optimize Energy Performance, EQ Credit Daylight, LEED v4 Reference Guide for Building Design and Construction123
NEW QUESTION # 91
Which of the following are control measures recommended by the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) for the Indoor Environmental Quality Credit, Construction Indoor Air Quality Management Plan?
- A. Source control
- B. Material selection
- C. Contractor training
- D. Pre-construction meeting
Answer: A
Explanation:
Explanation
Source control is one of the control measures recommended by the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) for the Indoor Environmental Quality Credit, Construction Indoor Air Quality Management Plan. Source control means minimizing the generation and emission of indoor air pollutants from the construction activities and materials. Some examples of source control are1:
*Using low-emitting adhesives, sealants, paints, coatings, and flooring systems that comply with the VOC limits of the applicable LEED credit.
*Storing absorptive materials in a protected area and covering them with plastic sheeting to prevent moisture and mold growth.
*Scheduling the installation of finish materials after the completion of wet and dusty work, such as concrete pouring, drywall sanding, and painting.
*Isolating work areas where high levels of contaminants are generated or used, such as welding, cutting, grinding, and solvent cleaning, and providing adequate ventilation and exhaust.
*Prohibiting smoking, eating, and drinking in the work areas, and providing designated areas for these activities.
References:
*Construction indoor air quality management plan | U.S. Green Building Council1
NEW QUESTION # 92
Which of the following project team members should be integrated early into the design phase to assist with earning the Materials and Resources Prerequisite, Construction and Demolition Waste Management Planning?
- A. Facility manager
- B. Occupants
- C. Contractor
- D. Owner
Answer: C
Explanation:
Explanation
Contractor
The contractor is the project team member who should be integrated early into the design phase to assist with earning the Materials and Resources Prerequisite, Construction and Demolition Waste Management Planning.
The contractor is responsible for implementing the waste management plan, which includes estimating the types and quantities of waste materials, identifying the diversion strategies, selecting the waste haulers and recyclers, tracking and documenting the waste diversion performance, and training the subcontractors and workers. The contractor can provide valuable input on how to reduce, reuse, and recycle the construction and demolition waste, as well as identify potential challenges and opportunities for achieving the prerequisite requirements.
References:
* Reference Guide for Building Design and Construction v4 - Pages 263-2641
* LEED Certification and Sustainable Construction Waste Management1
NEW QUESTION # 93
A commercial office building with a footprint of 70,000 ft2 (6 503.2 m2) has an overall site area of 200,000 ft2 (18 580.6 m2). The project design includes 15,000 ft2 (1 393.5 m2) of pedestrian oriented hardscape and 18,000 ft2 (1
672.3 m2)
of vegetated open space. Which of the following is necessary to satisfy the requirement for the outdoor space to be physically accessible when calculating the Sustainable Sites Credit, Open Space?
- A. A garden space dedicated to industrial food production for use by local communities
- B. A dark paving area with site elements to encourage parking near wetlands or naturally designed ponds
- C. A pedestrian-oriented paving or turf area with physical site elements that accommodate outdoor social activities
- D. A garden space with only one vegetation type and species during the summer for visual interest
Answer: C
Explanation:
Explanation
A pedestrian-oriented paving or turf area with physical site elements that accommodate outdoor social activities is necessary to satisfy the requirement for the outdoor space to be physically accessible when calculating the Sustainable Sites Credit, Open Space. This is because the outdoor space must be designed to encourage regular use by occupants and visitors1. A garden space dedicated to industrial food production for use by local communities may not be accessible to the building occupants and visitors2. A garden space with only one vegetation type and species during the summer for visual interest does not meet the requirement of having two or more types of vegetation or overhead vegetated canopy1. A dark paving area with site elements to encourage parking near wetlands or naturally designed ponds is not considered as pedestrian-oriented hardscape and may have negative impacts on the natural environment3.
References:
*Open Space, p. 1
*NC-v4 SSc3: Open space, p. 2
*LEED v4 for Building Design and Construction, p. 72
NEW QUESTION # 94
A rectangular office building is located in an extremely humid climate and is shaded by very large adjacent buildings on all four sides. If the building owner wants to decrease the annual energy cost for operating the building, which of the following would be the best design approach?
- A. Install photovoltaic panels on the sides of the building
- B. Install glazing with a higher solar heat gain factor
- C. Increase outdoor air intake quantities during summer months
- D. Recover waste energy through exhaust air energy recovery systems
Answer: D
Explanation:
Explanation
The best design approach for the office building is D. Recover waste energy through exhaust air energy recovery systems. This is because:
* Installing glazing with a higher solar heat gain factor would increase the cooling load and energy consumption of the building, especially in an extremely humid climate where heat gain is high1.
* Installing photovoltaic panels on the sides of the building would generate electricity from solar radiation, but it would not reduce the cooling load or energy consumption of the building, unless the electricity is used to power a heat pump or other cooling device2.
* Increasing outdoor air intake quantities during summer months would provide more fresh air to dilute the indoor pollutants and improve the indoor air quality, but it would not reduce the cooling load or energy consumption of the building, unless it is combined with a ventilation system that recovers waste energy from the exhaust air stream34.
An exhaust air energy recovery system (ERV) is a type of mechanical ventilation that uses a heat exchanger to transfer heat between two streams of air: one that enters the building and one that exits. The ERV pre-cools and dehumidifies the incoming ventilation air bysending the rejected heat into the exhaust airstream to cool the condenser coil at a lower temperature. This reduces both the cooling load and energy consumption of the building, as well as improving its indoor humidity levels34. An ERV can also provide some fresh outdoor air to meet ASHRAE Standard 62 ventilation rates5.
Therefore, an ERV is a more efficient and effective design approach than glazing, photovoltaic panels, or increased outdoor air intake quantities for reducing the annual energy cost for operating an office building in an extremely humid climate and shaded by very large adjacent buildings on all four sides.
References: 1: LEED v4: Building Design + Construction Guide - U.S. Green Building Council 2: LEED AP BD+C Exam | U.S. Green Building Council 3: Energy Recovery Systems - Nortek Air Solutions 4: Energy Recovery Ventilators - Greenheck 5: Mechanical Ventilation Types: Exhaust, Supply, Balanced & Energy Recovery
NEW QUESTION # 95
A new five-story building with a 30,000 ft2 (2 800 m2) footprint is being designed on a previously disturbed100,000 ft2 (9 290 m2) site. The remaining on-grade surface will be 35,000 ft2 (3 250 m2) of asphalt parking, and 35,000 ft2 (3 250 m2) of native vegetated open space. To achieve a point for exemplary performance under Option 1 of Sustainable Sites Credit, Site Development - Protect or Restore Habitat, the design team will have to incorporate a native and/or adapted vegetated roof with a minimum area of
- A. 25,000 ft2 (2 300 m2)
- B. 15,000 ft2 (1 400 m2)
- C. 35,000 ft2 (3 250 m2)
- D. 12,500 ft2 (1 160 m2)
Answer: A
Explanation:
Explanation
According to the LEED v4 Reference Guide for Building Design and Construction, Option 1 of the Site Development - Protect or Restore Habitat credit requires restoring 25% of the site area (including the building footprint) with native or adapted vegetation1. To achieve exemplary performance, the project must double the credit requirements and restore 50% of the site area2. In this case, the site area is 100,000 ft2 (9 290 m2), so the project must restore 50,000 ft2 (4 645 m2) with vegetation. The project already has 35,000 ft2 (3 250 m2) of native vegetated open space, so it needs to add another 15,000 ft2 (1 395 m2) of vegetation. Since the on-grade surface is fully occupied by the building footprint and the asphalt parking, the only option is to incorporate a vegetated roof. Therefore, the design team will have to incorporate a native and/or adapted vegetated roof with a minimum area of 15,000 ft2 (1 395 m2). References: SS Credit Site Development - Protect or Restore Habitat, LEED v4 Reference Guide for Building Design and Construction13
NEW QUESTION # 96
A LEED AP is evaluating whether Indoor Environmental Quality Credit, Acoustic Performance is feasible for a LEED AP Building Design and Construction: Healthcare project. Which of the following groups of documents would best inform this decision?
- A. MRI machine specifications, mechanical plans, occupancy statistics
- B. Patient records, wall sections, ceiling panel cut sheets
- C. Airport flyover maps, mechanical plans, wall sections
- D. Occupancy statistics, patient records, MRI machine specifications
Answer: C
Explanation:
Explanation
The Acoustic Performance credit under the LEED BD+C: Healthcare rating system addresses the acoustic environment in healthcare spaces. It requires strategies that reduce noise levels, control background noise, and provide sound privacy. The documents that would best inform this decision are:
* Airport flyover maps: These can help determine the level of external noise intrusion into the building, which can affect the acoustic environment.
* Mechanical plans: These can provide information about the location and type of mechanical equipment, which can be a source of internal noise.
* Wall sections: These can provide information about the construction of the walls, including materials and assemblies, which can affect sound transmission between spaces1.
References:
* Acoustic performance | U.S. Green Building Council
NEW QUESTION # 97
Which of the following could be considered diverted construction waste?
- A. Land-clearing debris
- B. Excavated soil
- C. Alternative daily cover
- D. Asphalt with aggregate
Answer: D
Explanation:
Explanation
According to the LEED v4 Reference Guide for Building Design and Construction, diverted construction waste is defined as "materials that are diverted from disposal in landfills or incineration facilities and are instead reused, recycled, composted, or salvaged"1. Asphalt with aggregate is an example of a material that can be recycled and reused for paving or other applications. Excavated soil and land-clearing debris are excluded from the calculation of the total construction and demolition waste for the MR Credit Building Life-Cycle Impact Reduction1. Alternative daily cover is a material that is used to cover the surface of an active landfill at the end of each day to control odors, pests, and litter. It is not considered as diversion because it does not reduce the amount of waste sent to landfills2. References: MR Credit Building Life-Cycle Impact Reduction, LEED v4 Reference Guide for Building Design and Construction3142
NEW QUESTION # 98
Every location in the U.S. identifies how many regional credits?
- A. Four
- B. Seven
- C. Five
- D. Six
Answer: A
Explanation:
Explanation
Every location in the U.S. identifies four regional credits that are of particular importance for that region.
These credits are selected by the USGBC regional councils and chapters based on the environmental, social, and public health issues that are relevant for their areas. A project can earn up to four bonus points by achieving these regional credits.
References:
*LEED v4 BD+C Reference Guide, page 6081
*Regional Priority (RP) credits - U.S. Green Building Council2
NEW QUESTION # 99
Which of the following is an example of a nonroof measure for Sustainable Sites Credit, Heat Island Reduction?
- A. A shade structure with a three-year aged Solar Reflectance Index (SRI) value of 0.2
- B. A vegetated shading structure
- C. A playground with artificial turf
- D. A paving material with a three-year aged SRI value of 0.2
Answer: B
Explanation:
Explanation
A vegetated shading structure is an example of a nonroof measure for Sustainable Sites Credit, Heat Island Reduction. The heat island effect is the phenomenon of urban areas having higher air temperatures than surrounding rural areas due to the absorption and emission of heat by human-made surfaces, such as buildings, roads, and pavements. The heat island effect can have negative impacts on the environment, human health, and energy consumption. One of the strategies to reduce the heat island effect is to use nonroof measures that provide shade, reflectivity, or evapotranspiration for at least 50% of the site hardscape, such as parking lots, walkways, plazas, and courtyards1. A vegetated shading structure is a type of nonroof measure that consists of a trellis or pergola that supports climbing plants or vines that provide shade and cooling for the underlying surface. A vegetated shading structure can also enhance the aesthetic and ecological value of the site2.
The other options are not examples of nonroof measures for Sustainable Sites Credit, Heat Island Reduction. A playground with artificial turf is not a nonroof measure, but a roof measure, as it is considered as part of the building envelope. Artificial turf is also not a compliant roof measure, as it does not meet the minimum solar reflectance index (SRI) or vegetated roof requirements1. A shade structure with a three-year aged SRI value of
0.2 is not a compliant nonroof measure, as it does not meet the minimum SRI value of 29 for nonroof surfaces1. A paving material with a three-year aged SRI value of 0.2 is also not a compliant nonroof measure, as it does not meet the minimum SRI value of 29 for nonroof surfaces1.
References:
*LEED v4 Reference Guide for Building Design and Construction, Sustainable Sites Credit: Heat Island Reduction, page 1281
*Heat Island Reduction | U.S. Green Building Council2
NEW QUESTION # 100
When the LEED AP is applying the Integrative Process to a Building Design and Construction project, which of the following must be included in the Basis of Design (BOD)?
- A. Training requirements
- B. Environmental, energy efficiency and sustainability goals
- C. Allowable tolerance for facility operations
- D. Facility, system and assembly performance assumptions
Answer: B
Explanation:
Explanation
The Basis of Design (BOD) is a document that describes the design intent and performance criteria for a project. It must include the environmental, energy efficiency and sustainability goals that theproject team has established, as well as the strategies and systems to achieve them. The BOD is part of the Integrative Process credit, which aims to foster collaboration and holistic thinking among the project stakeholders from the pre-design phase to the occupancy phase.
References: = [LEED v4: Building Design + Construction Guide], [Integrative Process Calculator],
[Integrative Process credit].
NEW QUESTION # 101
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