USGBC LEED-AP-O+M Dumps

To comply with the prerequisite, the project team must establish an ENERGY STAR® Portfolio Manager profile for the building and enter the required information, such as building type, size, occupancy, and energy use. The project team must also share the profile with USGBC and achieve a minimum score of 75 or demonstrate a 20% improvement in energy performance.

References:

• LEED v4 Reference Guide for Building Operations and Maintenance, page 2111
• LEED AP O+M Exam Preparation Guide, page 672

When retail project teams administer the supply chain survey to meet the requirements of the Materials and Resources, Ongoing Purchasing and Waste Policy, one of the key topics that needs to be addressed is environmental best practices for supply chain decisions. This involves assessing suppliers' environmental policies, practices, and impacts, with the aim of promoting sustainability throughout the supply chain. This approach encourages responsible sourcing, waste reduction, and the use of environmentally friendly materials.References:The Materials and Resources section of the LEED O+M Reference Guide includes guidelines for sustainable purchasing and waste policies, emphasizing the importance of considering environmental best practices in supply chain decisions.

For the Location and Transportation Credit, Alternative Transportation, Option 1, all building visitors should be invited to participate in the transportation survey during the survey period. This requirement ensures that the survey data accurately reflects the transportation patterns of not only the regular building occupants but also the visitors, providing a comprehensive view of transportation choices associated with the building.References:LEED AP Operations + Maintenance Reference Guide, Location and Transportation section.

Installing and maintaining a conductivity meter is a strategy that improves cooling tower water efficiency. Conductivity meters help optimize the cycles of concentration, reducing water and chemical use by accurately measuring the water’s mineral content.

References: The LEED v4.1 O+M reference materials recommend the use of conductivity meters as part of water efficiency best management practices for cooling towers1234.

LEED v4.1 O+M Reference Guide, p.1132: LEED v4 - U.S.Green Building 3: What is Blowdown Loss in Cooling

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.

There are synergies between the Materials and Resources Prerequisite, Facility Maintenance and Renovation Policy, and the Indoor Environmental Quality Credit, Indoor Air Quality Management Program. Both focus on maintaining high environmental and health standards within the building, with the former emphasizing sustainable maintenance and renovation practices, and the latter concentrating on maintaining optimal indoor air quality through proper management and practices.

References:The interconnectedness of these prerequisites and credits is discussed in the LEED AP Operations + Maintenance documentation, highlighting how sustainable maintenance and renovation practices directly contribute to better indoor air quality, thereby supporting the objectives of the Indoor Air Quality Management Program.

The full value of the purchase can be claimed towards the credit because it meets the criteria for sustainable purchasing under LEED O+M v4.1. The produce is USDA Organic Certified and sourced from within 100 miles of the project, which qualifies for the local economy and environment category.

References: The LEED AP O+M Reference Guide provides detailed information on the requirements for the Materials and Resources Credit, Purchasing - Ongoing, including the emphasis on sustainable purchasing and supporting local economies12.

For the Materials and Resources Credit, Purchasing - Ongoing, the full value of $325.00 USD spent on USDA Organic Certified produce from a local farm (within 100 miles or 160 kilometers) can be claimed. This is because the LEED criteria for sustainable purchasing recognize and reward the procurement of local and organic food products to support sustainable agricultural practices and reduce transportation impacts. The entire amount spent on these products contributes towards the credit because it aligns with the goals of supporting local economies and reducing environmental impacts associated with long-distance food transportation.

References:The LEED AP Operations + Maintenance reference materials detail the criteria for sustainable purchasing, including the emphasis on local and organic food procurement. These guidelines specify how purchases like these contribute towards achieving the Materials and Resources Credit, Purchasing - Ongoing.

In the Materials and Resources (MR) section of LEED, furniture is included in credit calculations, particularly in credits related to sustainable purchasing and waste management. Furniture plays a significant role in the environmental impact of a building's interior due to its material content, durability, and potential for reuse or recycling. Including furniture in MR calculations encourages the selection of sustainable products and practices, such as purchasing reused or recycled furniture, and implementing take-back programs or recycling initiatives at the end of the furniture's life cycle.

References:This inclusion is outlined in the LEED AP Operations + Maintenance reference materials, where it details how furniture contributes to various MR credits, emphasizing the importance of sustainable purchasing decisions and waste management practices that encompass furniture.

The correct answer is C because the baseline water usage is 150% of the water use for a building with a certificate of occupancy dated 1993 or later, as stated in the LEED v4.1 O+M Reference Guide1.The baseline water usage is determined by calculating the estimated usage assuming Energy Policy Act-compliant fixtures2. The other options are incorrect because they either have the wrong percentage or the wrong year for the baseline water usage.

References: =

• LEED v4.1 O+M Reference Guide, page 97
• Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 77
• LEED v4 AP O+M Mock Exam, page 90 =========================================

Retro-commissioning, re-commissioning, or on-going commissioning are quality assurance processes for existing buildings that aim to optimize performance and improve building operation. One of the essential goals of these processes is to identify opportunities for cost-effective reduction in energy consumption123. This involves verifying and documenting that the building and its systems and assemblies are operating efficiently and meet the current requirements of the building3.

References:

• LEED v4: Building Operations + Maintenance Guide | U.S. Green Building Council
• LEED v4.1 OPERATIONS AND MAINTENANCE - WAP Sustainability Consulting
• Building Operations & Maintenance - Canada Green Building Council (CAGBC)
• Guide to the LEED AP Operations and Maintenance (O+M) Exam
• Technical Guidelines on Retro-commissioning
• Existing Building Commissioning: Retro-commissioning and Re-commissioning with EAB
• EC Re-Commissioning | NJ Green Building Manual

 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)

 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.

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.

In LEED, for maintaining continuous performance monitoring, the maximum length of time allowed for a gap before needing to restart the performance period is two full weeks. This requirement ensures that performance data is consistent and reliable, providing an accurate representation of the building's operational performance.

CFC-11 was phased out due to the Montreal Protocol because it is a chlorofluorocarbon (CFC) that contributes to ozone depletion. The protocol aimed to phase out substances with high ozone-depleting potential (ODP).

References: The Montreal Protocol on Substances that Deplete the Ozone Layer is a global agreement that regulates the production and consumption of nearly 100 man-made chemicals referred to as ozone-depleting substances (ODS), including CFCs1.

In a scenario where the existing HVAC system was not designed to accommodate the required filters for Indoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, Option 2, Filtration, but is otherwise efficient and operating well, replacing the existing HVAC system with an air handler that can accommodate the filters is a strategy to achieve credit. This option allows for the integration of higher efficiency filters without compromising the performance of the HVAC system.

When developing a transportation survey, it is crucial that the survey instrument collects information in a consistent manner from all respondents. This ensures that the data collected is reliable and can be accurately analyzed to inform decisions about transportation strategies. Collecting data consistently allows for a fair comparison of responses and helps to identify trends or patterns in the data.

References: LEED v4: Building Operations + Maintenance Guide1, LEED v4.1 OPERATIONS AND MAINTENANCE - WAP Sustainability Consulting

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.

Toner cartridges are considered an ongoing purchase, as they are consumable items that are regularly replaced as part of the normal operation and maintenance of the building. The other options are not ongoing purchases, as they are durable goods that are not frequently replaced or disposed of.

References: =

• LEED v4.1 O+M Guide, page 48
• Solid waste management - ongoing, U.S. Green Building Council
• Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 157

For compliance with the Sustainable Sites Credit, Site Management, when submetering of the irrigation system is not available or difficult to implement for an existing building, the recommended strategy is to use automated leak detection systems, such as those that use pressure sensors. The guidance for irrigation management under the LEED for Operations and Maintenance (O+M) rating system includes monitoring irrigation systems manually or with automated systems at least every two weeks during the operating season for appropriate water usage, system times, leaks, or breaks. Automated systems, particularly those employing pressure sensors, are effective in detecting leaks and irregularities in water use,thereby contributing to efficient water management and maintenance of the irrigation system.References:LEED v5 O+M: Existing Buildings beta version

Impervious surfaces exacerbate the environmental concern of contaminated runoff harming aquatic life. These surfaces prevent rainwater from soaking into the ground, leading to increased runoff that can carry pollutants into water bodies, negatively affecting aquatic ecosystems.

References: Impervious surfaces are known to alter natural hydrology, leading to increased runoff and potential contamination of water bodies, which can harm aquatic life123.

Low impact development (LID) rainwater management programs are designed to manage stormwater close to its source by mimicking a site’s pre-development hydrology through the use of design techniques that infiltrate, filter, store, evaporate, and detain runoff close to its source. Treatment and potential reuse of rainfall on-site is a key result of such programs, aiming to reduce runoff volume and improve water quality.

References: The LEED v4.1 O+M reference materials discuss the integration of green infrastructure and low-impact development strategies with the Rainwater Management Credit, which includes on-site treatment and reuse of rainwater1234.

The strategies that are eligible for reducing landscape water demand in the Water Efficiency Credit, Outdoor Water Use Reduction, include selecting plant species that require less water and improving irrigation efficiency. These measures are part of a comprehensive approach to minimize water use in landscaping.

References: The LEED v4.1 O+M reference materials highlight the importance of plant species selection and irrigation system efficiency as primary strategies for achieving outdoor water use reduction1.

Reducing landscape water demand in the Water Efficiency Credit, Outdoor Water Use Reduction, can be achieved through strategic plant species selection and improving irrigation efficiency. Choosing native or adapted plants that require less water helps reduce the demand for irrigation. Simultaneously, employing efficient irrigation technologies and practices, such as drip irrigation or smart controllers, minimizes water waste. These strategies work together to significantly lower the amount of water needed for landscaping, contributing to water conservation and sustainability goals.

References:These strategies are discussed in the LEED AP Operations + Maintenance reference guide within the section on Water Efficiency Credit, Outdoor Water Use Reduction. The guide provides best practices for selecting plant species and irrigation methods that align with LEED's objectives for reducing water use in landscapes.

Soil testing is an operational element that needs to be tracked only once during the performance period to meet the Sustainable Sites, Site Management Credit. This is because soil testing provides a snapshot of the soil’s condition, which is unlikely to change significantly over short periods.

References: The LEED v4.1 O+M guide indicates that certain site management practices, such as soil testing, do not require continuous monitoring but should be documented at least once during the performance period to ensure compliance with the credit requirements1.

The correct answer is A because GreenPro, Ecowise, and Greenshield are service certifications that indicate the pest management services follow the principles of Integrated Pest Management (IPM), as stated in the web search results123.IPM is a comprehensive approach to pest management that minimizes the use of pesticides and maximizes the use of prevention, monitoring, and non-chemical methods4. The other options are incorrect because they either do not relate to pest management or do not follow the IPM principles.

References: =

• GreenPro Certified Service - National Pest Management Association, What is GreenPro? section
• EcoWise Certified - Pest Control Services, What is EcoWise Certified? section
• Green Shield Certified - About Us, What is Green Shield Certified? section
• LEED v4.1 O+M Reference Guide, page 239 =========================================

According to the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) Indoor Air Quality (IAQ) Guidelines for Occupied Buildings under Construction, the Minimum Efficiency Reporting Value (MERV) as determined by ASHRAE 52.2-2007 required for renovation activities is MERV 13. This requirement is in place to ensure that the air filtration systems used during renovation activities are capable of capturing fine particles, thus reducing the risk of indoor air quality issues. MERV 13 filters are efficient at capturing particles that are 0.3 to 1.0 micrometers in size, including dust, pollen, mold spores, bacteria, and any other airborne contaminants that might be present during construction activities.References:SMACNA IAQ Guidelines for Occupied Buildings Under Construction, 2nd Edition 2007; ASHRAE Standard 52.2-2007, "Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size."

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.

The required frequency for conducting a waste stream audit in maintaining a high-performing solid waste management program is annually. Regular annual audits help in evaluating the effectiveness of waste management strategies, identifying areas for improvement, and ensuring continued progress towards waste reduction and sustainability goals.References:LEED Operations and Maintenance Reference Guide, Materials and Resources section.

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.

the mercury content of the new T8 lamps remained the same; however, the average life of the bulb increasedJust Short Explanation: The decrease in the average picogram per lumen hour indicates an improvement in the environmental impact of the lamps. This can happen if the mercury content remains constant while the lifespan of the lamps increases, resulting in less mercury used over time per unit of light produced.

References: The information about T8 lamps indicates that newer models are designed to be energy-efficient with a longer lifespan while maintaining a low mercury content, which would contribute to a lower picogram per lumen hour ratio12.

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.

Buildings account for 40% of total energy use in the U.S., according to the U.S.Environmental Protection Agency1.This is consistent with the global estimate by the International Energy Agency, which states that buildings and construction sector accounted for 36% of final energy use in 20182.

References: =LEED AP O+M Exam Guide, page 305;LEED v4.1 O+M Reference Guide, page 97.

Buildings are one of the primary consumers of energy worldwide, and they account for a significant percentage of total energy use. The correct percentage is 40%, which encompasses energy used for heating, cooling, lighting, and operating buildings. This figure reflects the extensive impact that building design, construction, and operations have on energy consumption and the potential for energy savings in this sector.

References:

• The figure that buildings account for 40% of total energy use is a commonly cited statistic in the field of sustainability and is mentioned in LEED training materials and documentation. It is a crucial factor that drives the Energy and Atmosphere (EA) category within the LEED rating systems, pushing for strategies that reduce energy consumption and improve building energy performance.

Evapotranspiration data is used in the calculation of landscape water requirements, which is a key component of the Outdoor Water Use Reduction credit under the LEED AP Operations + Maintenance (LEED AP O+M) V4.1. This credit encourages strategies that reduce outdoor water use, and using evapotranspiration data can help to more accurately estimate the water needs of the landscape, thereby reducing unnecessary water use1.

References: LEED v4: Building Operations + Maintenance Guide

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.

The maximum allowed performance period for LEED O+M re-certification is five years from the date that GBCI initially certified the building. This means that the project team must submit the re-certification application within five years of the initial certification date, or the certification will expire. The performance period is the time frame during which the project team collects and tracks data to demonstrate compliance with the LEED O+M requirements.

References:

• Maintaining certification – U.S. Green Building Council
• Getting started with your recertification - U.S. Green Building Council
• LEED Recertification Process Made Easy - Cadmus

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.

Explanation: To earn the exemplary performance point for the Indoor Water Use Reduction Credit, Option 2, a project must achieve a minimum of 30% water use reduction from the baseline.

References: This requirement is detailed in the LEED v4 O+M reference materials, which specify the thresholds for achieving points under the Indoor Water Use Reduction Credit1.

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 of registration and therefore may not be applicable to projects registered before their publication.

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.

For the Sustainable Sites Credit, Light Pollution Reduction, fixtures with a minimum of 1,500 lumens must be partially or fully shielded. This requirement helps to minimize light trespass and sky glow, contributing to the reduction of light pollution.

References: The LEED v4.1 O+M reference guide specifies the need for shielding on outdoor light fixtures to control light pollution.The threshold for lumens is set to ensure that lighting is designed to conserve the night sky1.

For the Sustainable Sites Credit, Light Pollution Reduction, outdoor light fixtures that directly emit light into the night sky and have a minimum lamp lumens exceeding 1,500 must be partially or fully shielded. This requirement is aimed at reducing light pollution by ensuring that outdoor lighting fixtures are designed and installed in a manner that minimizes sky glow and light trespass, thereby preserving the natural night environment.

The LEED AP O+M Reference Guide states that “If a meter fails during the performanceperiod, the project team must extend the performance period to obtain the required three months of data.” Therefore, the best advice is to extend the performance period to gain the full three months of weekly water meter readings.

References:

• LEED AP O+M Reference Guide, Water Efficiency Credit, Water Metering, page 114
• LEED QUALIFICATION GUIDE - v4 - Sloan, page 2
• Building-Level Water Metering and Water Metering | LEEDuser

According to the Sustainable Sites Credit, Rainwater Management, the maximum time allowed to comply with a failed inspection is 60 days. This timeframe is given to the projectteam to address and rectify any issues found during an inspection related to rainwater management strategies implemented in the project. This requirement ensures timely resolution of problems to maintain the effectiveness of rainwater management practices.

This is the correct answer because LEED v4.1 O+M requires projects to provide storage locations for at least five of the following recyclable materials: mixed paper, corrugated cardboard, glass, plastics, metals, batteries, mercury-containing lamps, and electronic waste. Option D lists five of these materials, while the other options include materials that are not required by LEED, such as paint, wood pallets, or electronics.

References:

•LEED v4.1 O+M Reference Guide, p. 1211

•LEED v4.1 O+M Guide, p. 92

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.

For the Indoor Environmental Quality Credit, Thermal Comfort, the system must continuously monitor both humidity and air temperature. These two factors are crucial for maintaining thermal comfort within the building environment.

References: The LEED v4.1 O+M reference materials specify the importance of monitoring humidity and air temperature as part of the requirements for achieving the Thermal Comfort credit12.

To achieve the Indoor Environmental Quality Credit, Thermal Comfort, the system must continuously monitor at least two key factors: humidity and air temperature. These factors are critical for maintaining thermal comfort within a building, as they directly affect the perceived comfort levels of the occupants. Proper monitoring and management of humidity and air temperature ensure that the indoor environment remains within comfortable ranges for occupants, contributing to their well-being and productivity.

References:This requirement is specified in the LEED AP Operations + Maintenance reference guide within the section on Indoor Environmental Quality Credit, Thermal Comfort. The guide emphasizes the importance of maintaining optimal levels of humidity and air temperature for achieving thermal comfort in indoor spaces.

The view factor is the percentage of the floor area that has a direct line of sight to the perimeter vision glazing. According to the LEED Reference Guide for Building Operations and Maintenance, the view factor for the diagram below is 2, which means that 75% or more of the floor area has a direct line of sight to the perimeter vision glazing.

References: = LEED Reference Guide for Building Operations and Maintenance, v4 Edition, Indoor Environmental Quality, Daylight and Quality Views, page 5811

The Indoor Environmental Quality Credit, Occupant Comfort Survey is a tool used to assess the performance and success of the design of a space. It gathers accurate and reliable feedback from the building occupants. In a sample survey, approximately 33% of the total building occupants responded1. This suggests that a minimum of 30% of building occupants must respond to the survey.

References: 

The LEED AP Operations + Maintenance (LEED AP O+M) V4.1 guide specifies that for the Energy and Atmosphere Prerequisite, Minimum Energy Performance, the allowed maximum tenant space exclusion is 10% of the gross floor area. This means that when calculating energy performance, up to 10% of the total floor area of the building can be excluded. This could be due to various reasons such as spaces being unoccupied or not in use.

References: = LEED v4: Building Operations + Maintenance Guide, LEED v4: Building Design + Construction Guide, Minimum Energy Performance Calculator - ASHRAE 90.1 - 2010, LEED v4 energy update – U.S. Green Building Council

The Energy and Atmosphere Prerequisite, Minimum Energy Performance, allows for certain exclusions to accommodate diverse building types and uses. One such provision permits the exclusion of up to 10% of the gross floor area (GFA) from the energy performance calculations. This allowance is designed to provide flexibility for spaces that may not be fully occupied or operational during the performance period, such as tenant spaces undergoing renovation or spaces with atypical energy usage. By excluding a limited portion of the GFA, the prerequisite acknowledges the variability in building occupancy and use, ensuring that the energy performance assessment is both fair and representative of the building's typical operations.

References:

• The allowance for excluding up to 10% of the gross floor area from the energy performance calculations is detailed in the LEED for Building Operations and Maintenance reference guide, specifically under the Energy and Atmosphere Prerequisite, Minimum Energy Performance. This guideline is part of the LEED AP O+M trainingmaterials, which emphasize the importance of accommodating diverse building uses and occupancy levels in the pursuit of sustainable building operations.

To achieve the Water Metering Credit, the project must track all water meters on a weekly basis and share this data with the USGBC for a duration of five years starting from the date the project receives LEED certification.

References: The LEED v4.1 O+M guide specifies that for the Water Metering Credit, meter readings must be documented weekly and submitted to USGBC for a five-year period post-certification12.

To achieve the Water Metering Credit, it's necessary for all water meters to be monitored on a weekly basis, with the data being shared with the USGBC for a duration of five years starting from when the project officially accepts its LEED certification. This rigorous monitoring ensures that the project maintains a high level of water efficiency and accountability post-certification, contributing to sustainable water management practices.

References:This requirement is outlined in the LEED AP Operations + Maintenance reference materials, specifically within the section detailing the Water Metering Credit. These documents emphasize the importance of consistent and transparent water usage monitoring as part of sustainable building operations.