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NEW QUESTION # 14
Which of the following strategies reduces the impact of materials used in building operation and maintenance on indoor air quality?
- A. Comply with ASHRAE 55-2010
- B. Document all emissions
- C. Install VOC sensors
- D. Use products with low emissions
Answer: D
NEW QUESTION # 15
How long should a commercial kitchen prep sink be metered to establish a baseline when pursuing the Water Efficiency Prerequisite, Indoor Water Use Reduction, Option 2?
- A. 18 months
- B. 12 months
- C. This type of fixture should not be metered
- D. Six months
Answer: D
Explanation:
According to the LEED AP O+M Reference Guide, Option 2 of the Water Efficiency Prerequisite, Indoor Water Use Reduction, requires metering all indoor water fixtures and fittings for a minimum of six months to establish a baseline. This includes commercial kitchen prep sinks, which are considered process water fixtures.
References: LEED AP O+M Reference Guide, v4.1, p. 51-52.
NEW QUESTION # 16
A benefit of recommending LED lamps in an environmentally preferable purchasing policy is that they
- A. are adaptable to all existing fixtures have lower up front costs than fluorescent lamps
- B. have no mercury content
- C. are rapidly renewable
Answer: B
Explanation:
Recommending LED lamps in an environmentally preferable purchasing policy is beneficial because LED lamps contain no mercury. Unlike some other lighting options, such as compact fluorescent lamps (CFLs) which can contain mercury, LEDs offer a safer alternative in terms of toxic substances. This makes LED lamps an environmentally friendly choice, reducing the risk of mercury pollution and facilitating easier, safer disposal or recycling of lamps at the end of their life cycle.
References:The LEED AP Operations + Maintenance documentation highlights the environmental and health benefits of selecting LED lighting, including the absence of mercury, which aligns with the goals of reducing hazardous substances in building environments.
NEW QUESTION # 17
What is the diversion percentage of ongoing consumables in order to achieve exemplary performance as specified in Materials and Resources Credit, Solid Waste Management - Ongoing?
- A. 50%
- B. 75%
- C. 90%
- D. 85%
Answer: C
Explanation:
To achieve exemplary performance in the Materials and Resources Credit, Solid Waste Management - Ongoing, a diversion percentage of 90% for ongoing consumables is required. This high level of diversion demonstrates an advanced commitment to reducing waste and promoting recycling and composting. By diverting 90% of ongoing consumables from the landfill, projects significantly contribute to sustainability goals by minimizing their environmental footprint related to waste.
References:The LEED AP Operations + Maintenance reference guide specifies the criteria for exemplary performance in waste management, including the 90% diversion target. This ambitious goal underscores the importance of comprehensive waste reduction strategies in LEED-certified projects.
NEW QUESTION # 18
What credit rewards customers who change their normal consumption patterns in response to the varying price of energy over time?
- A. Energy and Atmosphere Credit, Green Power and Carbon Offsets
- B. Energy and Atmosphere Credit, Advanced Energy Metering
- C. Energy and Atmosphere Credit, Ongoing Commissioning
- D. Energy and Atmosphere Credit, Demand Response
Answer: D
Explanation:
The LEED AP Operations + Maintenance (LEED AP O+M) V4.1 rewards customers who change their normal consumption patterns in response to the varying price of energy over time under the Energy and Atmosphere Credit, Demand Response. This credit encourages building owners and operators to participate in demand response programs which aim to shift the timing of energy use to off-peak periods when demand on the grid is lower. This helps to reduce the strain on the grid during peak demand periods, potentially avoiding the need for additional power plants.
References: LEED v4: Building Operations + Maintenance Guide, LEED AP with specialty, LEED certification for existing buildings and spaces, LEED AP O+M Exam, Building Operations & Maintenance - Canada Green Building Council (CAGBC)
NEW QUESTION # 19
What percentage of individual occupant spaces must have individual lighting controls in projects seeking Option 1.
Lighting Control in Indoor Environmental Quality Credit, Interior Lighting?
- A. 40%
- B. 50%
- C. 60%
- D. 70%
Answer: C
Explanation:
Option 1. Lighting Control requires that for at least 90% of individual occupant spaces, provide individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). The percentage of individual occupant spaces that must have individual lighting controls is 60%, which is the minimum threshold for achieving this option.
References: = LEED Reference Guide for Building Operations and Maintenance, v4 Edition, Indoor Environmental Quality, Interior Lighting, page 5891
NEW QUESTION # 20
A project is ineligible for an ENERGY STAR Rating and will document Energy and Atmosphere Prerequisite, Minimum Energy Performance by benchmarking against historical data. If the performance period calendar year is
2022, which of the following is an acceptable historical baseline?
- A. Average of calendar years 2017, 2018 and 2019
- B. Average of calendar years 2017, 2019 and 2021
- C. Average of calendar years 2015, 2016 and 2017
- D. Average of calendar years 2020 and 2021
Answer: A
Explanation:
The correct answer is D because the historical baseline must be the average of the most recent three consecutive years of energy data available prior to the performance period1. Since the performance period calendar year is 2022, the most recent three consecutive years of energy data available are 2017, 2018 and
2019. The other options are incorrect because they either include years that are not consecutive or not prior to the performance period.
References: =
* LEED v4.1 O+M Reference Guide, page 139
* Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 89
* LEED v4 AP O+M Mock Exam, page 85 ========================================= When a project is ineligible for an ENERGY STAR Rating and opts to document Energy and Atmosphere Prerequisite, Minimum Energy Performance by benchmarking against historical data, the selected baseline must be representative of the building's typical performance. The average of calendar years 2017, 2018, and
2019 serves as a relevant baseline because it provides recent, consecutive annual data that reflects the building's energy performance before any significant changes or improvements made for LEED certification.
This approach ensures that the performance period (in this case, the calendar year 2022) is compared against a stable and accurate representation of the building's typical energy use, allowing for a meaningful assessment of energy performance improvements.References:LEED v4 for Building Operations and Maintenance Guide,
U.S. Green Building Council.
NEW QUESTION # 21
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 Sustainable Sites Credit, Rainwater Management
- B. determine water use in landscape designs
- C. determine water use in outdoor fountains and pools
- D. earn Water Efficiency Credit, Water Metering
Answer: B
NEW QUESTION # 22
Which of the following is the most appropriate use of untreated stormwater?
- A. Boiler water makeup
- B. Drinking fountain
- C. Irrigation
- D. Cooling water makeup
Answer: C
Explanation:
Untreated stormwater, due to its potential contaminants, is not suitable for potable uses but can be effectively utilized for non-potable applications such as irrigation. It provides a viable alternative to using treated water for landscape irrigation, thereby conserving potable water resources. This use aligns with sustainable water management practices encouraged by LEED, which promote the reduction of potable water usage for landscape irrigation.
References:
* The LEED Reference Guide for Green Building Design and Construction and the LEED O+M Reference Guide both encourage the use of untreated stormwater for irrigation as part of an integrated water management approach. This conservation strategy is covered under the Water Efficiency category and is a common topic in LEED AP O+M training sessions.
NEW QUESTION # 23
The decision to replace Chlorofluorocarbon (CFC) and Hydrochlorofluorocarbon (HCFC) refrigerants with alternative refrigerants
- A. is straightforward because alternative refrigerants cost less to implement and operate more efficiently
- B. is straightforward because alternative refrigerants such as HFC-410A have a lower Global Warming Potential (GWP)
- C. involves tradeoffs because alternative refrigerants are more difficult to manufacture, handle and process
- D. involves tradeoffs because alternative refrigerants may increase energy use and increase greenhouse gas emissions
Answer: D
Explanation:
The decision to replace Chlorofluorocarbon (CFC) and Hydrochlorofluorocarbon (HCFC) refrigerants with alternative refrigerants is not straightforward and involves tradeoffs. While alternative refrigerants like HFCs were commercialized in the 1990s as a replacement for CFCs and HCFCs, they have a strong heat-trapping effect that contributes to global warming1. Therefore, while they solve one problem (ozone layer depletion), they create another (global warming). This means that while they are alternatives, they may increase energy use and greenhouse gas emissions1.
References:
* What will replace climate warming HFCs in refrigerators and air conditioners?
* HCFC and CFC phase out
* What Are HFCs, and How Are They Being Regulated?
* Freon One Shot C (R-422C) Refrigerant
* Refrigerant Table: Explanation and Glossary of Terms - HRAI
NEW QUESTION # 24
Which of the following prerequisites or credits has a minimum occupancy requirement?
- A. Energy and Atmosphere Prerequisite, Minimum Energy Performance
- B. Indoor Environmental Quality Prerequisite, Minimum Indoor Air Quality Performance
- C. Water Efficiency Prerequisite, Indoor Water Use Reduction
- D. Indoor Environmental Quality Credit, Daylight and Views
Answer: A
Explanation:
LEED v4.1 OPERATIONS AND MAINTENANCE - WAP Sustainability Consulting, page 32;LEED minimum program requirements | U.S. Green Building Council;LEED 101: MPRs (Minimum Program Requirements)
NEW QUESTION # 25
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. A commissioning (Cx) agent
- B. A general contractor
- C. The building engineer
- D. The LEED AP
Answer: C
Explanation:
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.
NEW QUESTION # 26
How many months of metered energy use after occupancy are required to earn Energy and Atmosphere Prerequisite, Minimum Energy Performance?
- A. 13 months
- B. Five months
- C. Three months
- D. 12 months
Answer: D
Explanation:
The Energy and Atmosphere Prerequisite, Minimum Energy Performance requires 12 months of metered energy use data after occupancy. This duration is necessary to provide a comprehensive view of the building's energy consumption patterns throughout the different seasons of the year.
References: The LEED v4.1 O+M reference guide specifies that a full year of energy data is needed to accurately assess a building's performance for the Minimum Energy Performance prerequisite1234.
To fulfill the Energy and Atmosphere Prerequisite, Minimum Energy Performance, LEED requires a building to demonstrate energy use through 12 months of metered energy datapost-occupancy. This duration ensures that a full annual cycle is considered, accounting for seasonal variations in energy consumption. The data collected over this period provides a comprehensive overview of the building's energy performance, enabling accurate benchmarking against LEED standards and identifying opportunities for energy efficiency improvements.
References:This requirement is specified in the LEED AP Operations + Maintenance reference guide, under the section detailing the Energy and Atmosphere Prerequisite, Minimum Energy Performance. The guide explains the rationale behind the 12-month period and how it contributes to a reliable assessment of the building's energy use.
NEW QUESTION # 27
The environmentally preferable purchasing policy (EPP) required in the Materials and Resources Prerequisite, Ongoing Purchasing and Waste Policy should address the criteria in which Materials and Resource Credit?
- A. Solid waste management - Ongoing
- B. Purchasing - Facility maintenance and renovation
- C. Purchasing - Lamps
- D. Solid waste management - Facility maintenance and renovation
Answer: B
Explanation:
The environmentally preferable purchasing policy (EPP) required in the Materials and Resources Prerequisite, Ongoing Purchasing and Waste Policy, should address the criteria in the Materials and Resource Credit:
Purchasing - Facility Maintenance and Renovation. This policy ensures that the purchased products and materials for facility maintenance and renovation meet established environmental criteria, contributing to sustainable procurement practices in the building.References:LEED AP Operations + Maintenance Reference Guide, Materials and Resources section.
NEW QUESTION # 28
What information regarding a lamp is required to comply with Materials and Resources Credit, Purchasing - Lamps?
- A. Power demand
- B. Rated life
- C. Luminary equivalency
- D. Light trespass
Answer: B
Explanation:
The rated life of a lamp is required information for compliance with the Materials and Resources Credit, Purchasing - Lamps. This information ensures that the lamps purchased meet the longevity and performance criteria set by LEED standards.
References: The LEED v4.1 O+M guide and related materials emphasize the importance of selecting lamps with a long rated life to reduce the frequency of replacements, thereby minimizing waste and resource use123.
NEW QUESTION # 29
The LEED AP is searching the Addenda Database for LEED Interpretations that pertain to Sustainable Sites Credit, Light Pollution Reduction. Which interpretations must be used when attempting this credit?
- A. Energy and Atmosphere Credit, Optimize Energy Performance LEED Interpretation published before the project's registration date that applies to the project's rating system
- B. Energy and Atmosphere Credit, Optimize Energy Performance LEED Interpretation published on the project's registration date that the project thinks is relevant
- C. Sustainable Sites Credit, Light Pollution Reduction LEED Interpretation published before the project's registration date that applies to the project's rating system
- D. Sustainable Sites Credit, Light Pollution Reduction LEED Interpretation published after the project's registration date that the project thinks is relevant
Answer: C
Explanation:
When attempting the Sustainable Sites Credit for Light Pollution Reduction in a LEED project, the LEED Interpretations that must be used are those published before the project's registration date that apply to the project's rating system. This means that the correct answer to the question is "C: Sustainable Sites Credit, Light Pollution Reduction LEED Interpretation published before the project's registration date that applies to the project's rating system." LEED Interpretations provide clarification on how credit requirements can be applied to project-specific situations. They are part of the formal guidance offered by the USGBC and are meant to help project teams understand how to implement LEED credits in the context of their specific projects. It's important to use interpretations that are relevant to the specific credit being attempted and that were available at the time the project was registered, ensuring that the guidance aligns with the version of LEED under which the project is registered. Interpretations published after a project's registration date might contain new information or clarifications that were not considered at the time ofregistration and therefore may not be applicable to projects registered before their publication.
NEW QUESTION # 30
An equipment upgrade requires an initial investment of $1,500.00 USD with a total annual savings of $500.00 and a 33% rate of return. What is the Simple Payback Period for this improvement?
- A. Three years
- B. 120 days
- C. 495 days
- D. Two years
Answer: D
Explanation:
The Simple Payback Period is the time it takes for an investment to pay for itself through savings. To calculate the Simple Payback Period, divide the initial investment by the annual savings. In this case, $1,500.00 USD divided by $500.00 equals 3. To find the exact payback period, consider the rate of return. With a 33% rate of return, the actual savings per year would be $500.00 plus 33% of $500.00, which equals $665.00. Dividing the initial investment of $1,500.00 by $665.00 gives a payback period of approximately 2.26 years, which is closest to two years.
References:
* The concept of Simple Payback Period is a fundamental financial calculation discussed in the LEED AP O+M documentation. It is part of evaluating the cost-effectiveness of energy and water efficiency
* improvements, particularly under the Energyand Atmosphere and Water Efficiency categories. This metric is commonly used in sustainability projects to assess the viability of efficiency upgrades.
NEW QUESTION # 31
For projects not eligible for the ENERGY STAR rating, the project team could demonstrate compliance with Energy and Atmosphere Prerequisite, Minimum Energy Efficiency Performance by
- A. conducting an energy audit that develops a commissioning plan for the building's major energy using system
- B. demonstrating an energy efficiency of at least 25% better than the national average for typical buildings of similar type based on energy source
- C. providing a program demonstrating no or low cost measures of improvement to increase energy efficiency
- D. developing a master list of findings identifying systems or pieces of equipment including the defects or problems and proposed solutions
Answer: B
Explanation:
Projects not eligible for the ENERGY STAR rating must demonstrate an energy efficiency of at least 25% better than the national average for typical buildings of similar type based on energy source. This can be done by using the ENERGY STAR Target Finder tool or a custom approved by USGBC.
References: =LEED AP O+M Exam Guide, page 305; LEED v4.1 O+M Reference Guide, page 97.
For projects not eligible for the ENERGY STAR rating, an alternative path to demonstrate compliance with the Energy and Atmosphere Prerequisite, Minimum Energy Efficiency Performance, is to show that the building's energy efficiency is significantly higher than the baseline established for similar buildings.
Demonstrating energy efficiency that is at least 25% better than the national average for comparable buildings, based on the type of energy used, provides a quantifiable metric that reflects the building's superior performance. This approach aligns with LEED's goal to encourage higher energy efficiency standards and reduce environmental impact through improved building performance.
References:
* This alternative compliance path for projects not eligible for ENERGY STAR rating is outlined in the LEED for Building Operations and Maintenance reference guideunder the Energy and Atmosphere category. It provides a method for buildings to achieve the Minimum Energy Efficiency Performance prerequisite by exceeding the energy performance standards of similar buildings, promoting an advanced level of energy conservation in building operations as emphasized in LEED AP O+M training materials.
NEW QUESTION # 32
What public health risk must be balanced with water efficiency and chemical usage in every water treatment program?
- A. Legionella outbreak
- B. Iron poisoning
- C. Mold growth
- D. Botulism
Answer: A
Explanation:
Legionella outbreak is a significant public health risk that must be balanced with water efficiency and chemical usage in every water treatment program. Legionella bacteria can grow in water systems, particularly in warm, stagnant water. If not properly managed, it can lead to Legionnaires' disease, a severe form of pneumonia. Therefore, while striving for water efficiency and minimizing chemical usage, it's crucial to ensure that the conditions do not favor the growth of Legionella.
References: LEED AP Operations + Maintenance (LEED AP O+M) V4.1 by usgbc.org1.
NEW QUESTION # 33
The compliant value of green cleaning products and materials is calculated using what factor?
- A. Volume
- B. Recycled content
- C. Weight
- D. Cost
Answer: D
Explanation:
The compliant value of green cleaning products and materials for LEED v4.1 O+M is calculated using the cost factor. This method allows for a consistent and monetary-based comparison of compliant products and materials.
References: The LEED v4 Green Cleaning Calculator provided by the U.S.Green Building Council is used to track and document purchases for LEED v4 O+M EQ Credits Green Cleaning - Products and Materials, which uses cost as the basis for calculations1.
NEW QUESTION # 34
A management method that could be included in a project's site management policy is the use of
- A. mechanical equipment instead of non-powered manual methods
- B. high-decibel equipment instead of low-decibel equipment
- C. exterior maintenance beyond the minimum levels required to maintain site safety
- D. electric-powered equipment instead of gasoline-powered equipment
Answer: D
Explanation:
The use of electric-powered equipment is a sustainable management method that can be included in a project's site management policy. It helps reduce emissions and pollution associated with gasoline-powered equipment, aligning with LEED's environmental goals.
References: The LEED v4.1 O+M Guide and Site Management policy template provide guidance on sustainable site management practices, including the use of electric-powered equipment to minimize environmental impact123.
In developing a site management policy, one effective management method is to use electric-powered equipment instead of gasoline-powered equipment. Electric equipment typically produces fewer emissions and is quieter, contributing to a reduction in air pollution and noise pollution on the site. This practice aligns with LEED's emphasis on reducing environmental impacts and improving the quality of the site and surrounding areas.
References:The use of electric-powered equipment as a preferred management method is consistent with the guidelines provided in the LEED AP Operations + Maintenance reference materials, particularly in the context of developing sustainable site management policies. These resources advocate for practices that minimize environmental impact and enhance sustainability.
NEW QUESTION # 35
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. 48 hours
- B. 12 hours
- C. 72 hours
- D. 24 hours
Answer: D
NEW QUESTION # 36
When a building owner is deciding whether to execute an ASHRAE Level 2 audit or commissioning for Energy and Atmosphere Credit, Existing Building Commissioning -Analysis, which of the following statements most appropriately explains the difference between an ASHRAE Level 2 audit and commissioning of an existing building?
- A. An ASHRAE Level 2 audit is required for newer buildings while commissioning is required for buildings in operation for more than five years
- B. An ASHRAE Level 2 audit focuses on finding major upgrades to the building envelope or me-chanical, electrical, or controls systems while commissioning focuses on controls, proper sys-tem operations, and efficiency improvements
- C. An ASHRAE Level 2 audit requires development of an energy use breakdown based on sub-metering while commissioning requires development of an energy use breakdown based on energy modeling
- D. An ASHRAE Level 2 audit involves testing the operation of the systems against the sequences of operation while commissioning involves determining that the system operation meets the owner's current facility requirements
Answer: B
Explanation:
This answer is correct because it describes the main objectives and outcomes of an ASHRAE Level 2 audit and commissioning of an existing building.An ASHRAE Level 2 audit is a comprehensive energy survey and analysis that identifies and provides the savings and cost analyses of all practical energy efficiency measures that meet the owner's constraints and economic criteria1.Commissioning of an existing building is a systematic process of verifying and documenting that the performance of the facility and its systems meet the owner's current facility requirements2. The other options are incorrect because they either confuse the requirements or the scope of the two processes.
References: =LEED v4.1 OPERATIONS AND MAINTENANCE - WAP Sustainability Consulting, page
32;LEED v4: Building Operations + Maintenance Guide | U.S. Green Building Council, page 35;Procedures for Commercial Building Energy Audits - ASHRAE, page 4;Standard for Commercial Building Energy Audits
- ASHRAE, page 4.
NEW QUESTION # 37
What is the maximum number of points a project could achieve using innovation credits for the Innovation Credit, Innovation?
- A. One point
- B. Two points
- C. Three points
- D. Four points
Answer: C
NEW QUESTION # 38
The minimum amount of renovation or new construction work required to qualify for Materials and Resources Credit, Purchasing - Facility Maintenance and Renovations is
- A. correlated to an increase of the floor area by at least 5%
- B. determined by the project team as there is no minimum requirement
- C. correlated to alterations that include construction activity by more than one trade
- D. determined based upon flush-out procedure requirements
Answer: B
Explanation:
For the Materials and Resources Credit, Purchasing - Facility Maintenance and Renovations, there is no specified minimum amount of renovation or new construction work required. The project team determines what qualifies for this credit based on the scope of their project.
References: The LEED v4.1 O+M reference guide does not specify a minimum renovation requirement for this credit, allowing the project team to define the scope of work that meets the intent of the credit1.
NEW QUESTION # 39
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