Pass the USGBC Leadership in Energy and Environmental Design (LEED) LEED-AP-O+M Questions and answers with ExamsMirror

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

When adding a new space within a facility to the ENERGY STAR® Portfolio Manager, the required information includes the space floor area and hours of operation1. The tool helps building owners and tenants measure and track energy, water use, and waste, all in a secure online environment1. It is important to note that to receive an ENERGY STAR score in Portfolio Manager, you must enter 12 full calendar months of energy data for all energy types, in addition to complete data on property use details such as hours of operation and workers2.

References:

LEED AP Operations + Maintenance (LEED AP O+M) V4.1 by usgbc.org3

How to Enter and Manage Tenant Spaces in ENERGY STAR® Portfolio Manager1

ENERGY STAR Score2

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.

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.

The intent of Indoor Environmental Quality Credit, Daylight and Quality Views is D: to provide a connection between building occupants and the outdoor environment1.This credit aims to enhance the well-being, productivity, and satisfaction of building occupants by introducing natural light and views into the regularly occupied spaces2. The other options are incorrect because they either describe different aspects of the credit requirements or are not part of the credit intent.

1:Daylight and Views - Daylight - Chaney Enterprises2:LEED v4.1 O+M Reference Guide, page 249

The intent of the Indoor Environmental Quality Credit, Daylight and Quality Views, is to provide a connection between building occupants and the outdoor environment. This credit emphasizes the importance of natural light and outside views in creating healthy and productive indoor spaces. By ensuring that interior spaces have access to daylight and views of the outdoors, buildings can enhance occupant well-being, reduce the need for artificial lighting, and promote a connection to the natural world. This credit encourages the design and orientation of buildings and interior spaces in a way that maximizes the penetration of natural light and provides clear lines of sight to outdoor environments.

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.

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.

The LEED AP Operations + Maintenance (LEED AP O+M) V4.1 focuses on improving the sustainability of existing buildings that are fully operational and have been occupied for at least a year12. Administering an alternative transportation survey is appropriate when the daily average or typical peak number of visitors is at least 50% of the regular building occupants. This is because the survey aims to understand and improve the transportation habits of a significant portion of the people interacting with the building, which includes both regular occupants and visitors. By focusing on this group, the LEED AP can identify opportunities to encourage alternative transportation modes, thereby reducing the building’s overall environmental impact.

References:

LEED v4: Building Operations + Maintenance Guide | U.S. Green Building Council

LEED AP with specialty | U.S. Green Building Council

LEED certification for existing buildings and spaces

LEED O+M Certification & Credentials | Existing Buildings | GBES

The WaterSense label, or a local equivalent, is required for all newly installed fittings and fixtures that are eligible for the label, as per the LEED v4 update. This label ensures that the fixtures used in a LEED building meet both water efficiency and high performance testing standards1. The WaterSense label is backed by independent, third-party certification and products bearing this label are verified to perform as well or better than their less efficient counterparts2. They are also certified to use at least 20 percent less water3.

References:

The WaterSense Label | US EPA

About WaterSense | US EPA

LEED Qualification Guide | Sloan