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質問 # 74
An individual tenant in a multi-tenant building is unwilling or unable to provide their purchasing data. How does this affect the overall requirement for Materials and Resources Credit, Purchasing - Ongoing?
- A. The tenant's purchasing is assumed to be 50% compliant toward the sustainability criteria
- B. The total purchases would be decreased by the tenant's pro rata square footage
- C. The building is not eligible for this credit
- D. If the tenant's space is less than 10% of the total building, their total purchases can be excluded
正解：A
解説：
This answer is correct because it follows the guidance provided by the LEED v4.1 O+M Reference Guide for dealing with nonparticipating tenants in multi-tenant buildings. The guide states that if a tenant is unwilling or unable to provide their purchasing data, the project team must integrate the estimated data from the nonparticipating tenant into the whole-building purchasing data to determine compliance for the whole building.The guide also states that the tenant's purchasing is assumed to be 50% compliant toward the sustainability criteria, unless the project team has a more accurate estimate1. The other options are incorrect because they either make the credit impossible or too easy to achieve, or they do not account for the tenant's purchasing at all.
References: =LEED v4.1 OPERATIONS AND MAINTENANCE - WAP Sustainability Consulting, page
40;LEED v4: Building Operations + Maintenance Guide | U.S. Green Building Council, page 40.
質問 # 75
A LEED AP performs several on-site reviews for LEED compliance and encounters the followingscenarios.
Which scenario requires the installation of additional meters to comply with Energy and Atmosphere Prerequisite, Building-Level Energy Metering?
- A. A building plus its addition whose electricity and natural gas usage is being measured by the original building's meters
- B. A school whose electricity usage is being measured and invoiced by the local electrical utility
- C. A data center that receives electricity from a campus plant and whose meters are located at the electrical service entrances
- D. A building that shares its chilled water usage with other buildings on a campus and whose chilled water consumption is measured at the campus level
正解：D
解説：
For a building that shares chilled water usage with other buildings on a campus, if the chilled water consumption is only measured at the campus level, additional meters would be required to comply with the Energy and Atmosphere Prerequisite for Building-Level Energy Metering. Individual metering at the building level is necessary to accurately track and manage the building's specific energy consumption, enabling targeted energy efficiency measures and compliance with LEED requirements.References:The Energy and Atmosphere section of the LEED O+M Reference Guide outlines the requirements for building-level energy metering, including the need for individual metering of significant energy uses such as chilled water in shared systems.
質問 # 76
In order for a project team to meet the requirements of Indoor Environmental Quality Credit, Integrated Pest Management, how much advanced notice to building occupants is needed after the emergency application of a pesticide other than the least toxic pesticide?
- A. 24 hours
- B. 48 hours
- C. 12 hours
- D. 72 hours
正解：A
質問 # 77
A project is pursuing Materials and Resources Credit, Solid Waste Management - Facility Maintenance and Renovation. The project has generated the following waste as part of their Facility Maintenance and Renovation activities: 2,000 lbs. (907.2 kg) of steel, 900 lbs. (408.2 kg) of carpet, 1,100 lbs. (498.9 kg) of wood, and 1,500 lbs.
(680.4 kg) of wallboard. If the project has diverted 1,800 lbs. (816.4 kg) of steel, 900 lbs. (408.2 kg) of carpet,
1,000 lbs. (453.6 kg) of wood, and 250 lbs. (113.3 kg) of wallboard, what is the actual diversion rate achieved?
- A. 75.7% of diversion
- B. 82.3% of diversion
- C. 70.4% of diversion
- D. 71.8% of diversion
正解：B
質問 # 78
Innovation credits for exemplary performance are awarded for
- A. demonstrating significant environmental benefits
- B. reaching 100% threshold
- C. achieving the next incremental threshold
- D. demonstrating a quantitative improvement in environmental performance
正解：C
質問 # 79
Cooling tower blowdown is necessary because
- A. excess water treatment chemical levels corrode pipes and bleed-off reduces chemical levels
- B. too much water in the system is inefficient so its water levels must be lowered
- C. a buildup of dissolved solids increases conductivity which decreases efficiency
- D. cold temperatures can freeze pipes if water is not moved and bleed-off prevents that from happening
正解：C
解説：
LEED v4.1 O+M Reference Guide, p.1132: LEED v4 - U.S.Green Building
Council(https://www.usgbc.org/guide/om)3: What is Blowdown Loss in Cooling Towers?(https://deltacooling.com/resources/faqs/what-is-blowdown-loss-in-cooling-towers).
Cooling tower blowdown is a process used to manage water quality in cooling systems. It involves discharging a portion of the water from the system to control the concentration of dissolved solids and minerals, which accumulate due to the continuous evaporation of water. These dissolved solids can increase the water's conductivity, leading to scale formation, corrosion, and biofouling, all of which can significantly decrease the efficiency and lifespan of the cooling system. By performing blowdown, the system maintains the water quality within acceptable limits, ensuring optimal performance and energy efficiency of the cooling tower.
References:
* The need for cooling tower blowdown due to the accumulation of dissolved solids is discussed within the context of water management practices in cooling systems in the LEED AP O+M documentation.
This process is crucial for maintaining system efficiency and is covered under the Water Efficiency category, emphasizing the importance of water management in achieving sustainable building operations.
質問 # 80
Which of the following strategies will qualify for an exemplary performance point under Innovation Credit, Innovation, Option 3. Additional Strategies?
- A. Document an alternative transport
- B. Reduce outdoor water use by 60%
- C. Meet at least 10% of total energy with on-site renewable energy
- D. Obtain a response rate for the occupant comfort survey of 100%
正解：D
解説：
Obtaining a response rate of 100% for the occupant comfort survey can qualify for an exemplary performance point under Innovation Credit, Innovation, Option 3. Additional Strategies in LEED. This high level of participation demonstrates exceptional commitment to occupant comfort and well-being, a key aspect of sustainable building design and operation.
質問 # 81
A project is using an on-site captured rainwater system and municipally treated wastewater for both flush fixtures and irrigation. To which of the following Water Efficiency prerequisites or credits can these alternative water sources be applied?
- A. Both alternative water sources may only be applied towards the prerequisites for both Indoor Water Use Reduction and Outdoor Water Use Reduction
- B. Both alternative water sources may only be applied towards the credits for both Indoor Water Use Reduction and Outdoor Water Use Reduction
- C. The on-site captured rainwater system may only be applied to Water Efficiency Credit, Indoor Water Use Reduction, while the municipally treated wastewater may only be applied to Water Efficiency Credit, Outdoor Water Use Reduction
- D. The on-site captured rainwater may only be applied to Water Efficiency Prerequisite, Indoor Water Use Reduction while the municipally treated wastewater may only be applied to Water Efficiency Prerequisite, Outdoor Water Use Reduction
正解：B
解説：
Using on-site captured rainwater and municipally treated wastewater for both flush fixtures and irrigation can be applied towards the credits for both Indoor Water Use Reduction and Outdoor Water Use Reduction in LEED. These alternative water sources contribute to the overall water efficiency of the project by reducing the reliance on potable water sources for indoor and outdoor uses.
質問 # 82
What is the maximum distance between readings required to represent the illumination levels at the property perimeter to earn the Sustainable Sites Credit, Light Pollution Reduction?
- A. 50 ft. (15 m)
- B. 80 ft. (24 m)
- C. 100 ft. (30 m)
- D. 200 ft. (60 m)
正解：C
解説：
The maximum distance between readings required to represent the illumination levels at the property perimeter for the Sustainable Sites Credit, Light Pollution Reduction, is 100 feet (30 meters). This ensures that the measurements accurately reflect the lighting conditions along the perimeter.
References: The LEED v4.1 O+M reference materials specify that at least eight measurements are required, at a maximum spacing of 100 feet (30 meters) apart, to accurately gauge the illumination levels for the purpose of light pollution reduction1.
質問 # 83
Who is the best person to serve as the Indoor Environmental Quality Manager to successfully implement Indoor Environmental Quality Credit, Indoor Environmental Quality Management Program?
- A. The building engineer
- B. A general contractor
- C. A commissioning (Cx) agent
- D. The LEED AP
正解：A
解説：
The building engineer is ideally positioned to serve as the Indoor Environmental Quality Manager for implementing the Indoor Environmental Quality Credit, Indoor Environmental Quality Management Program.
Their expertise in building systems and operations ensures that indoor environmental quality strategies are effectively integrated into the building's daily maintenance and operation procedures, enhancing the well-being of occupants.
References:The role and responsibilities of the Indoor Environmental Quality Manager in implementing the Indoor Environmental Quality Management Program are detailed in the LEED AP Operations + Maintenance reference materials. These resources underline the importance of having a dedicated professional, like a building engineer, oversee indoor environmental quality initiatives.
質問 # 84
What type of Credential does the principal participant of a project need to earn in order to achieve one point in the innovation credit?
- A. LEED Green Associate
- B. LEED Green Rater
- C. LEED Fellow
- D. LEED Accredited Professional (AP) with a specialty appropriate for the project
正解：D
解説：
The LEED AP with a specialty credential signifies advanced knowledge in green building and a specific LEED rating system. This credential is required for a principal participant of a project to earn one point in the innovation credit. The specialty should be appropriate for the project, indicating that the professional has the necessary expertise to contribute to the LEED certification process of the project12.
References:
* LEED AP with specialty | U.S. Green Building Council
* LEED O+M Certification & Credentials | Existing Buildings | GBES
Earning an innovation credit in LEED requires demonstrating exceptional performance or innovative strategies. Having a principal participant who is a LEED AP with a specialty appropriate for the project shows advanced knowledge in green building practices tailored to the project's specific needs, contributing to innovative approaches and sustainability goals. This credential demonstrates the individual's commitment and expertise in LEED and sustainable building practices, aligning with the innovation credit's intent.References:The innovation credit's criteria are detailed in the LEED O+M Reference Guide, which emphasizes the value of specialized knowledge in advancing sustainability goals and innovative practices within the LEED framework.
質問 # 85
If a manufacturer does not specify the calibration interval for the utility meters used for benchmarking building energy performance, the assessment team may specify a reasonable calibration interval not to exceed
- A. one year
- B. five years
- C. three years
- D. two years
正解：C
解説：
If a manufacturer does not specify the calibration interval for utility meters used for benchmarking building energy performance, the assessment team may specify a reasonable calibration interval not to exceed three years. This calibration ensures the accuracy and reliability of the data collected for energy performance analysis.References:LEED v5 O+M: Existing Buildings beta version
質問 # 86
When calculating Water Efficiency Credit, Outdoor Water Use Reduction, the irrigation of athletic fields
- A. must be included in the calculations
- B. may be calculated using a standard 20% reduction from baseline
- C. may be included in or excluded from the calculations
- D. must be excluded from the calculations
正解：C
質問 # 87
A 1,500 ft2 (139 m2) mobile home is built in the downtown area of a major city. 90% of the project's gross floor will be completed by the time of occupancy. LEED certification is being sought. Which rating system would be the most appropriate one to use?
- A. LEED Building Design and Construction
- B. No rating system
- C. LEED Interior Design and Construction
- D. LEED for Homes
正解：D
解説：
The correct answer is C because LEED for Homes is the most appropriate rating system for a mobile home project, as it applies to single-family homes, low-rise multi-family homes, and mid-rise multi-family homes up to eight stories. The other options are incorrect because they either apply to different project types or do not offer LEED certification.
References: =
* LEED AP O+M Exam Preparation Guide, page 9
* LEED v4.1 O+M Reference Guide, page 19
* LEED v4 AP O+M Mock Exam, page 79 =========================================
質問 # 88
Which of the following topics is unnecessary in order to comply with the Sustainable Sites Credit, Site Improvement Plan?
- A. Hydrology
- B. Soils
- C. Maintenance equipment
- D. Vegetation
正解：C
解説：
The correct answer is D because maintenance equipment is not a topic that is required to be addressed in the Site Improvement Plan for the Sustainable Sites Credit, as stated in the LEED v4.1 O+M Reference Guide1.The Site Improvement Plan must include topics such as soils, hydrology, vegetation, and site management, and describe the existing conditions, goals, strategies, and performance metrics for each topic1.
The other optionsare incorrect because they are topics that are required to be addressed in the Site Improvement Plan.
References: =
* LEED v4.1 O+M Reference Guide, page 115
* Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 80
* LEED v4 AP O+M Mock Exam, page 86 =========================================
質問 # 89
Which of the following best meets requirements of Sustainable Sites Credit, Site Development - Protect or Restore Habitat?
- A. Building a rainwater detention pond and using the water for irrigation
- B. Using native or adaptive vegetation on 20% of the site area
- C. Protecting the habitat of an offsite area of land equal in size to the building site area
- D. Leaving 50% of the site undisturbed
正解：C
解説：
This answer meets the requirements of Option 2 of the credit, which allows projects to provide financial support for the protection of habitat within the same EPA Level III Ecoregion. The donation must be at least
$0.40 per square foot of the project site area.
References:
* LEED AP O+M Exam Guide, page 63
* Site Development - Protect or Restore Habitat, USGBC
* Site Development - Protect or Restore Habitat, LEEDuser
質問 # 90
Which of the following is an environmentally friendly technology for controlling erosion?
- A. Laying tarpaulin material
- B. Mulching
- C. Spraying water to contain dust
- D. Laying asphalt
正解：B
解説：
The correct answer is A because mulching is an environmentally friendly technology for controlling erosion, as stated in the web search results12. Mulching involves applying organic or inorganic materials on the soil surface to protect it from water and wind erosion.Mulching can also conserve soil moisture, moderate soil temperature, and enhance soil fertility2. The other options are incorrect because they either do not control erosion effectively or cause environmental harm.
References: =
* Environment-Friendly Erosion and Dust Control Solutions | GRT, Environmentally friendly erosion and dust control solutions section
* 15 Wonderful Methods to Control Erosion | Earth Eclipse, Applying Mulches section
質問 # 91
In order to earn Indoor Environmental Quality Credit, Green Cleaning - Custodial Effectiveness Assessment, what is the highest APPA Leadership in Educational Facilities' Custodial Staffing Guidelines score a facility may achieve?
- A. A score of 7
- B. A score of 2.5
- C. A score of 9
- D. A score of 5.5
正解：D
解説：
To earn the Indoor Environmental Quality Credit for Green Cleaning - Custodial Effectiveness Assessment, facilities must conduct an assessment of their custodial operations using the APPA Leadership in Educational Facilities' Custodial Staffing Guidelines. The highest score a facility may achieve to meet this credit's requirements is 5.5, which represents a level of cleanliness that is orderly and conducive to the intended use of the space, balancing effective cleaning practices with sustainability considerations.References:The Indoor Environmental Quality section of the LEED O+M Reference Guide details the requirements for the Green Cleaning - Custodial Effectiveness Assessment credit, including the use of APPA's Custodial Staffing Guidelines to evaluate cleaning effectiveness.
質問 # 92
The intent of the Energy and Atmosphere Credit, Enhanced Refrigeration Management is to reduce ozone depletion and support early compliance with the
- A. Montreal Protocol while minimizing direct and indirect contributions to climate change
- B. Montreal Protocol while minimizing direct contributions to climate change
- C. Kyoto Protocol while minimizing direct contributions to climate change
- D. Kyoto Protocol while minimizing direct and indirect contributions to climate change
正解：A
解説：
The intent of the Energy and Atmosphere Credit, Enhanced Refrigeration Management, is to reduce ozone depletion in alignment with the Montreal Protocol while also minimizing both direct and indirect contributions to climate change. This credit focuses on the management of refrigerants used in HVAC systems, promoting the use of substances with lower global warming potentials and better refrigerant management practices to reduce environmental impacts.
References:The LEED AP Operations + Maintenance reference materials explain the significance of the Montreal Protocol in the context of refrigerant management and its role in mitigating climate change, underscoring the dual focus of this credit on both ozone protection and climate change mitigation.
質問 # 93
A project owner has hired a Commissioning Authority (CxA) to develop a Commissioning (Cx) Plan which will be submitted in the LEED application to document Energy and Atmosphere Credit, Existing Building Commissioning - Analysis, Option 1. Existing Building Commissioning. At a minimum, what should be included in the Cx Plan?
- A. Energy Use Breakdown, project team members, and Capital Improvements Measures
- B. Cx process activities, Water efficiency optimization strategies, and Energy Use Breakdown
- C. Low and No Cost Improvements, Energy Use Breakdown, and Capital Improvements Measures
- D. Cx program overview, project team members, and process activities
正解：D
解説：
LEED v4.1 O+M Reference Guide, page 101;LEED AP O+M Exam Guide, page 306.
The Commissioning (Cx) Plan is a foundational document that outlines the scope and activities of the commissioning process. At a minimum, the plan should include an overview of the Cx program, which details the objectives and goals, the roles and responsibilities of the project team members involved in the commissioning process, and the sequence and timing of process activities. This ensures that all stakeholders understand the commissioning process and are aligned with its implementation.
References:
* The requirements for the contents of a Commissioning Plan are detailed in the Energy and Atmosphere Credit for Existing Building Commissioning under the LEED for Building Operations and Maintenance (O+M) reference guide. It is also highlighted in the LEED AP O+M training materials that a comprehensive Cx Plan is integral to documenting the systematic process of ensuring building systems perform interactively and efficiently.
質問 # 94
Landscape irrigation practices consume large quantities of potable water. By evaluating the project's outdoor water budget and irrigation water demand early in the Establishment Period in Water Efficiency Credit, Outdoor Water Use Reduction project teams will be able to
- A. earn Water Efficiency Credit, Water Metering
- B. determine water use in landscape designs
- C. earn Sustainable Sites Credit, Rainwater Management
- D. determine water use in outdoor fountains and pools
正解：B
質問 # 95
Innovation credits for exemplary performance are awarded for
- A. demonstrating significant environmental benefits
- B. reaching 100% threshold
- C. achieving the next incremental threshold
- D. demonstrating a quantitative improvement in environmental performance
正解：C
解説：
Innovation credits for exemplary performance in the LEED AP Operations + Maintenance (LEED AP O+M) V4.1 are awarded for achieving the next incremental threshold12. This means that projects must exceed the highest level of performance achievable in an existing LEED credit2. The goal is to encourage and recognize efforts that go beyond the existing requirements and thresholds set by the LEED rating system12.
References:
* LEED credit library | U.S. Green Building Council
* LEED v4: Building Operations + Maintenance Guide | U.S. Green Building Council
* NC-v4.1 INc1: Innovation | LEEDuser
* Guide to Exemplary Performance Credits in LEED-NC v4
質問 # 96
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