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NEW QUESTION # 64
The project team has decided to substitute the flooring in the school gym with natural rubber flooring that has met the Sustainable Agriculture Standard. The cost of the substituted flooring is $80,000. The project will achieve
- A. Materials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials, Option 2. Leadership Extraction Practices
- B. Materials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials, Option 1. Raw Material Source and Extraction Reporting
- C. Materials and Resources Credit, Construction and Demolition Waste Management, Option 1. Diversion
- D. Materials and Resources Credit, Building Product Disclosure and Optimization Environmental Product Declarations, Option 1. Environmental Product Declarations
Answer: A
Explanation:
Explanation
Materials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials, Option 2. Leadership Extraction Practices Natural rubber flooring is a bio-based material that can contribute to the achievement of Option 2 of the Sourcing of Raw Materials credit, which requires using products that meet at least one of the responsible extraction criteria for at least 25%, by cost, of the total value of permanently installed building products in the project1. By meeting the Sustainable Agriculture Standard (SAN), the natural rubber flooring demonstrates that it has been produced in a way that conserves biodiversity, protects natural resources, and enhances social and economic well-being2. Therefore, the cost of the substituted flooring ($80,000) can be counted towards the credit threshold.
References:
Reference Guide for Building Design and Construction v4 - Pages 263-2641 Sustainable Agriculture Standard | Rainforest Alliance3
NEW QUESTION # 65
A project team compares a life-cycle assessment (LCA) model to a baseline design to determine the reductions in six impact categories. One impact category exceeds the baseline by 7%. Whichalternative analyses should the team run to check different impact measurements?
- A. Decrease the gross floor area of the baseline building
- B. Increase the wall mass and types of windows in the baseline building
- C. Optimize the slab depth of the design case building
- D. Change the orientation of the design case building
Answer: C
Explanation:
Explanation
This alternative analysis can help the team check the impact of reducing the amount of concrete used in the building, which can affect several impact categories, such as global warming potential (GWP), acidification, and eutrophication1. Concrete is a material with high embodied energy and carbon emissions, and reducing its use can lower the environmental impact of the building2. Optimizing the slab depth can also improve the thermal performance and daylighting of the building, which can reduce the operational energy use and demand3.
References: = LCA in LEED - Whole-building Life Cycle Assessment, Concrete and Embodied Carbon - Can we reduce carbon emissions and still use concrete?, Optimizing Slab Thickness for Energy Performance.
NEW QUESTION # 66
The owner has stated a desire to provide a variety of non-automobile commuting options for the future occupants.
What credits should the LEED AP suggest to meet this goal?
- A. Location and Transportation Credit, Access to Quality Transit and Location and Transportation Credit, Sensitive Land Protection
- B. Location and Transportation Credit, Surrounding Density and Diverse Uses and Sustainable Sites Credit, Open Space
- C. Location and Transportation Credit, Reduced Parking Footprint and Location and Transportation Credit, Access to Quality Transit
- D. Sustainable Sites Credit, Heat Island Reduction and Location and Transportation Credit, Bicycle Facilities
Answer: C
NEW QUESTION # 67
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. Owner
- B. Occupants
- C. Contractor
- D. Facility manager
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 # 68
For minimum acoustic performance, peak-hour is defined as M
- A. lowest noise level over a specified sample time
- B. an energy-average of noise level divided by total sample time and area of the space
- C. an energy-average of the noise level over a specified sample time
- D. highest noise level over various periods of time
Answer: D
Explanation:
Explanation
Peak-hour is a term used to describe the time period when the traffic noise is highest, usually during morning and evening rush hours. Peak-hour noise level is measured by the equivalent continuous sound level (Leq), which is an energy-average of the noise level over a specified sample time. For minimum acoustic performance, LEED requires projects to implement acoustic treatment and other measures to minimize noise intrusion from exterior sources for high-noise sites (peak-hour Leq above 60 dBA during school hours).
References:
* LEED BD+C: Schools v4 - LEED v4 Minimum acoustic performance
* Schools-NC-v4 EQp3: Minimum acoustic performance | LEEDuser
* Schools-NC-v4.1 EQp3: Minimum acoustic performance | LEEDuser
NEW QUESTION # 69
What is the maximum number of points a project pursuing LEED for New Construction can achieve under Location and Transportation Credit, Access to Quality Transit?
- A. Two points
- B. Three points
- C. Four points
- D. Five points
Answer: C
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, the Location and Transportation Credit, Access to Quality Transit has two options: Option 1. Transit-Served Location and Option 2. Transit Service Quality. Option 1 can earn 1 to 4 points depending on the percentage of functional entries within walking distance of transit stops or stations. Option 2 can earn 1 point if the project meets the minimum weekday and weekend headways for bus, streetcar, or informal transit stops, or rail stations or ferry terminals.The maximum number of points a project can achieve under this credit is 4 points by meeting both options1.References:
LEED v4: Building Design + Construction Guide, Location and Transportation Credit, Access to Quality Transit, Requirements1
NEW QUESTION # 70
Which of the following strategies can be used to reduce the internal load of a building?
- A. Install low reflective exterior facade
- B. Decreasing lighting power
- C. Increase the insulating value of the glazing and window frame system
- D. Oversize the HVAC systems
Answer: B
Explanation:
Explanation
Decreasing lighting power is a strategy that can be used to reduce the internal load of a building. Internal load is the amount of heat generated within a building by its occupants, equipment, and lighting1. Reducing lighting power can lower the internal heat gain and thus decrease the cooling demand and energy consumption of the building2. Other strategies to reduce internal load include using energy-efficient appliances, natural ventilation, daylighting, occupancy sensors, and shading devices3. References:
8.1: Internal Loads - Engineering LibreTexts
Chapter 3: Design Loads for Residential Buildings - HUD User
Internal Heat Gain - an overview | ScienceDirect Topics
NEW QUESTION # 71
A comprehensive rainwater management plan may include design elements such as
- A. cisterns, porous pavement, swales and vegetated roofs
- B. artificial turf, bioretention pond, cisterns and hay bales
- C. bioretention pond, cisterns, porous pavement and stabilized construction entrance
- D. soil compaction, swales, vegetated roofs and xeriscaping
Answer: A
Explanation:
Explanation
These design elements are examples of low-impact development (LID) and green infrastructure (GI) practices that can reduce runoff volume and improve water quality by replicating the natural hydrology and water balance of the site1. Cisterns can collect and store rainwater for reuse or infiltration, porous pavement can allow water to seep into the ground, swales can convey and filter stormwater runoff, and vegetated roofs can reduce runoff and evapotranspiration2.
References: = LEED v4: Building Design + Construction Guide, Achieving SSc Rainwater Management in LEED v4.1.
NEW QUESTION # 72
Which of the following sinks is classified as a private lavatory faucet under Water Efficiency Credit, Indoor Water Use Reduction?
- A. A sink in a hotel room bathroom
- B. A sink in a shared office restroom
- C. A sink in a school classroom
- D. A sink in an office restroom
Answer: A
Explanation:
Explanation
A sink in a hotel room bathroom is classified as a private lavatory faucet under Water Efficiency Credit, Indoor Water Use Reduction.According to the LEED v4 BD+C Reference Guide, a private lavatory faucet is defined as "a faucet that is not generally accessible and is used only by the building's occupants and not by the public or visitors"1. A sink in an office restroom, a school classroom, or a shared office restroom are examples of public lavatory faucets, which have different baseline flow rates and requirements.References: LEED v4 BD+C Reference Guide, Water Efficiency Category, WEc Indoor Water Use Reduction, page 681.
NEW QUESTION # 73
Which of the following is required for a cooling tower or evaporative condenser in Water Efficiency Prerequisite, Indoor Water Use Reduction?
- A. Water treatment calculations and system performance narrative
- B. Non potable water sources and bacteria testing
- C. Makeup water meters, conductivity controllers and overflow alarms
- D. Alkalinity testing and ENERGY STAR® rating
Answer: C
Explanation:
Explanation
Makeup water meters, conductivity controllers and overflow alarms
According to the Water Efficiency Prerequisite for Indoor Water Use Reduction, cooling towers and evaporative condensers must be equipped with makeup water meters, conductivity controllers and overflow alarms to reduce water consumption and prevent water waste. These devices help monitor and control the water quality, flow rate and level of the cooling system, and alert the operators of any malfunctions or leaks.
References: As per the LEED AP Building Design + Construction (LEED AP BD+C) V4 resources, the installation of makeup water meters, conductivity controllers and overflow alarms is a requirement for cooling towers and evaporative condensers under the Water Efficiency Prerequisite for Indoor Water Use Reduction.
This prerequisite aims to reduce indoor water consumption by setting baseline and efficiency standards for fixtures, fittings, appliances, equipment and processes. For cooling towers and evaporative condensers, the prerequisite also requires efficient drift eliminators that reduce drift to a maximum of 0.002% of recirculated water volume for counterflow towers and 0.005% of recirculated water flow for cross-flow towers. For more detailed information, you can refer to the web-based reference guide in the credit library at USGBC's official website.
NEW QUESTION # 74
In the energy modeling of a building envelope, which of the following U-values should be considered as an assembly U-value?
- A. Glass
- B. Concrete
- C. Wall
- D. Steel
Answer: C
Explanation:
Explanation
The assembly U-value of a building envelope component is the overall rate of heat transfer through that component, taking into account the different materials and layers that make up the component. For example, the assembly U-value of a wall would include the effects of the insulation, framing, sheathing, cladding, air films, etc. The assembly U-value is different from the material U-value, which is the rate of heat transfer through a single material. For example, the material U-value of steel is much higher than the material U-value of glass, but the assembly U-value of a steel-framed window may be lower than the assembly U-value of a glass curtain wall, depending on the other factors involved.
References: = [LEED v4: Building Design + Construction Guide], Minimum Energy Performance Calculator - ASHRAE 90.1 - 2010, A Quick and Easy Guide to U-Values - First In Architecture.
NEW QUESTION # 75
Which of the following statements is correct when defining the project boundary?
- A. The LEED project boundary cannot include non-contiguous land
- B. The LEED project boundary cannot include more than one building
- C. The gross floor area of the LEED project should be no less than 1% of the gross land area within the LEED project boundary
- D. The land associated with the project supports typical operation
Answer: D
Explanation:
Explanation
The land associated with the project supports typical operations
According to the LEED v4 Reference Guide for Building Design and Construction, the LEED project boundary must include all contiguous land that is associated with the project and supports its typical operations. This includes land altered as a result of construction and features used primarily by the project's occupants, such as hardscape (parking and sidewalks), septic or stormwater treatment equipment, and landscaping1. Therefore, statement C is correct when defining the project boundary. Statement A is incorrect because the LEED project boundary must be contiguous. Statement B is incorrect because the LEED project boundary can include more than one building, as long as they are on the same site and share a common scope of work. Statement D is incorrect because there is no such requirement for the gross floor area of the LEED project to be a certain percentage of the gross land area within the LEED project boundary.
References:
Reference Guide for Building Design and Construction v4 - Page 282
NC-v4.1 MPR2: Must use reasonable LEED boundaries | LEEDuser1
NEW QUESTION # 76
A Healthcare Project is constructing a new building adjacent to an existing LEED Certified hospital facility.
The new building's location is on the same hospital campus as the certified facility. The entire hospital campus was analyzed with an Environmental Site Assessment (ESA) as part of the certified facility's project scope.
The new building project needs to complete a new Phase I ESA if
- A. the Phase II ESA uncovers suspected contamination
- B. the certified facility's Phase I ESA is older than 180 days
- C. contamination was identified by the certified facility
- D. the local equivalent standard is more stringent than ASTM E1527-05
Answer: D
Explanation:
Explanation
the local equivalent standard is more stringent than ASTM E1527-05
According to the LEED v4 Reference Guide for Building Design and Construction, a Phase I ESA is required for all projects, except for those located on previously developed land that has not been used for industrial, commercial, or agricultural purposes. The Phase I ESA must follow the ASTM E1527-05 standard or a local equivalent. However, if the local equivalent is more stringent than the ASTM standard, then the project must comply with the local equivalent. Therefore, if the new building project is located in a jurisdiction that has a more rigorous standard for Phase I ESA than ASTM E1527-05, then it must complete a new Phase I ESA, regardless of the previous ESA done for the certified facility.
References:
Reference Guide for Building Design and Construction v4 - Pages 81-821
LEED v4: Building Design + Construction Guide - U.S. Green Building Council2
NEW QUESTION # 77
Plug-in task lighting will be utilized in a LEED project at all workstations. The task lighting is not included in the installed lighting power calculations for Energy and Atmosphere Prerequisite, Minimum Energy Performance since
- A. it is specifically exempted by ASHRAE
- B. the lamp wattage has not been determined
- C. it will be installed by the owner
- D. it is being covered by Indoor Environmental Quality Credit, Interior Lighting, Option 1. Lighting Control
Answer: C
Explanation:
Explanation
Plug-in task lighting is considered as furniture and is not included in the installed lighting power calculations for Energy and Atmosphere Prerequisite, Minimum Energy Performance. It is also not required to comply with the lighting control requirements of ASHRAE 90.1-2010. However, it can be used to satisfy the individual control requirement of Indoor Environmental Quality Credit, Interior Lighting, Option 1. References:
LEED v4 for Building Design and Construction, p. 361
LEED v4 for Building Design and Construction, p. 6012
ASHRAE 90.1-2010, Section 9.1.13
NEW QUESTION # 78
LEED project boundaries that include multiple similar buildings which are all eligible for certification can be registered as which of the following?
- A. Neighborhood project
- B. Master Site project
- C. Batch project
- D. Group project
Answer: D
Explanation:
Explanation
LEED project boundaries that include multiple similar buildings which are all eligible for certification can be registered as a group project. A group project allows multiple buildings (or interior spaces within multiple buildings) on a shared site to be certified as a single LEED project. These projects must meet the criteria outlined in the LEED Campus Guidance for Projects on a Shared Site, such as having the same construction contract, ownership, management, space type, rating system, and compliance paths. A group project will receive one certification and rating for the entire group.References: Group Projects (previously Multiple Building Projects), CAGBC News, September 1, 2020.
NEW QUESTION # 79
The WaterSense label or local equivalent requirement in Water Efficiency Prerequisite, Indoor Water Use Reduction ensures that eligible newly installed plumbing fixtures will
- A. be advertised as LEED compliant
- B. comply with mandatory federal government regulations
- C. comply with all international plumbing system requirements
- D. be both water efficient and high performing
Answer: D
Explanation:
Explanation
The WaterSense label or local equivalent requirement in Water Efficiency Prerequisite, Indoor Water Use Reduction ensures that eligible newly installed plumbing fixtures will be both water efficient and high performing. The WaterSense label is a voluntary program by the U.S. Environmental Protection Agency (EPA) that identifies and promotes water-efficient products that meet EPA's specifications for water efficiency and performance. The label applies to tank-type toilets, water-using urinals, private lavatory faucets, and showerheads. For projects outside the U.S., local equivalents may be used if they meet the same criteria as WaterSense or are listed on the USGBC website. The label does not imply that the fixtures are LEED compliant, comply with mandatory federal government regulations, or comply with all international plumbing system requirements. References:
Water Efficiency Prerequisite: Indoor Water Use Reduction in LEED BD+C: New Construction v4.1 - LEED v4.11 What is the WaterSense Label and How Does it Apply?2 LEED QUALIFICATION GUIDE - v43 WaterSense Labeled Homes4
NEW QUESTION # 80
The design team and project owner decided not to pursue Energy and Atmosphere Credit, Enhanced Commissioning, but would hire a Commissioning Authority (CxA) to oversee the requirements for Energy andAtmosphere Prerequisite, Fundamental Commissioning and Verification. What is a required responsibility for the CxA to achieve the stated objective?
- A. Verify installation and performance of the commissioned systems
- B. Review contractor submittals for the commissioned systems
- C. Develop systems manual for the commissioned systems
- D. Verify that training requirements are completed
Answer: A
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, the Energy and Atmosphere Prerequisite, Fundamental Commissioning and Verification, requires the project to hire a Commissioning Authority (CxA) to oversee the commissioning process for the mechanical, electrical, plumbing, and renewable energy systems and assemblies. The CxA must have documented commissioning authority experience in at least two building projects, and must not be an employee of the design or construction firms, although they may be contracted through them.The CxA must report the results, findings, and recommendations directly to the owner1.
One of the required responsibilities for the CxA to achieve the prerequisite is to verify installation and performance of the commissioned systems.This includes conducting siteobservations and spot-checking of equipment installation, performing functional performance testing of the systems, verifying system performance by reviewing testing and balancing reports, and preparing a summary commissioning report of the activities and results1.
The other choices are not required responsibilities for the CxA to achieve the prerequisite, but they are additional responsibilities for the CxA to achieve the Energy and Atmosphere Credit, Enhanced Commissioning, which goes beyond the prerequisite by including more systems, more verification activities, and more documentation.These additional responsibilities are2:
* Verify that training requirements are completed. This includes reviewing training plans, agendas, and materials, and verifying that the training delivery and documentation are completed and consistent with the owner's project requirements (OPR).
* Develop systems manual for the commissioned systems. This includes compiling and reviewing the systems manual that provides the necessary information for operating and maintaining the commissioned systems.
* Review contractor submittals for the commissioned systems. This includes reviewing the design intent and basis of design documentation, and providing feedback on the contractor submittals related to the commissioned systems, such as shop drawings, product data, and samples.
References: LEED v4: Building Design + Construction Guide, Energy and Atmosphere Prerequisite, Fundamental Commissioning and Verification, Requirements1; LEED v4: Building Design + Construction Guide, Energy and Atmosphere Credit, Enhanced Commissioning, Requirements2
NEW QUESTION # 81
For an emergency care facility project, which of the following credits can be achieved if the total cost of permanently installed products are 25% cradle-to-cradle V3 Gold and 25% GreenScreen List Translator?
- A. Materials and Resources Credit, Furniture and Medical Furnishing, Option 3. Multi-Attribute Assessment of Products & Innovation Credit, Innovation, Exemplary Performance
- B. Materials and Resources Credit, Furniture and Medical Furnishings, Option 3. Multi-Attribute Assessment of Products & Materials and Resources Credit, Building Product Disclosure and Optimization, Material Ingredients, Option 2. Material Ingredient Optimization
- C. Materials and Resources Credit, Building Product Disclosure and Optimization, Material Ingredients, Option 2.
Material Ingredient Optimization & Innovation Credit, Innovation, Exemplary Performance - D. Materials and Resources Credit, Building Life-Cycle Impact Reduction, Option 3. Building and Material Reuse
& Innovation Credit, Innovation, Exemplary Performance
Answer: C
Explanation:
Explanation
The Materials and Resources Credit, Building Product Disclosure and Optimization, Material Ingredients, Option 2. Material Ingredient Optimization & Innovation Credit, Innovation, Exemplary Performance can be achieved if the total cost of permanently installed products are 25% cradle-to-cradle V3 Gold and 25% GreenScreen List Translator.This is because these certifications indicate that the materials used in the project have been assessed for their environmental and health impacts, contributing to the achievement of these credits.References: LEED AP Building Design + Construction (LEED AP BD+C) V4 resources1
NEW QUESTION # 82
Which would contribute to compliance with Sustainable Sites Credit, Open Space?
- A. A forested area containing nature trails, that also achieves Sustainable Sites Credit, Site Development - Protect or Restore Habitat
- B. A parking lot that serves as the location for a monthly flea market
- C. An intensive vegetated roof, provided the building has at least a 1.0 Floor to Area Ratio (FAR)
- D. A mall with an indoor atrium, featuring a reflective roof
Answer: A
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, the Sustainable Sites Credit, Open Space requires the project to provide outdoor space greater than or equal to 30% of the total site area (including building footprint). At least 25% of that outdoor space must be vegetated, have overhead vegetated canopy, or be a water body. Option A does not qualify as outdoor space, Option B is not vegetated or a water body, and Option C only applies to projects with a FAR of less than 1.0. Option D meets the requirements for both outdoor space and vegetation, and also contributes to the protection or restoration of habitat1. References:
LEED v4: Building Design + Construction Guide, Sustainable Sites Credit, Open Space, Requirements1
NEW QUESTION # 83
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