US Green Building Council LEED-AP-O-M Exam Dumps

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.

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

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.

Reference: 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.

When a building is recertified in LEED Operations and Maintenance, it should use the LEED version that is current at the time of registration for recertification. This approach ensures that the building is being assessed under the most recent standards and requirements, reflecting the latest advancements and best practices in green building. Reference: LEED Operations and Maintenance Reference Guide, Introduction and Overview section.

When a building initially certified under LEED EB v2.0 seeks recertification, the appropriate version to use is the one that is current at the time of registration for recertification. LEED rating systems go through updates and revisions, and at any given point, they can be either open for registration and certification, closed for registration but open for certification, or completely closed for both registration and certification (sunset). The deadlines for these phases are published by the USGBC. Therefore, a building pursuing recertification must align with the most current version available at the time of its registration for recertification.

The Sustainable Sites Credit, Site Management in LEED AP Operations + Maintenance (LEED AP O+M) V4.1 includes the requirement of instituting a policy to prevent erosion and sedimentation and restore any eroding soils. This is part of the broader strategy to manage the site in a sustainable and environmentally friendly manner.

1. Food waste must be diverted from disposal in landfills or incineration facilities by donating, composting, or anaerobic digestion1. The other options are incorrect because they are product recycling requirements that apply to all LEED AP O+M projects, not just Schools and Hospitality.

LEED v4.1 O+M Reference Guide, page 223

Guide to the LEED AP Operations and Maintenance (O+M) Exam, page 105

LEED v4 AP O+M Mock Exam, page 82

Within the LEED AP Operations + Maintenance rating system, particularly for Schools and Hospitality projects, there is a heightened focus on sustainable waste management practices, including the recycling of specific products. One area of particular importance for these project types is the management of food waste due to the significant volumes generated and the opportunities for diversion from landfills through composting, donation, or other sustainable waste management practices.

Recycling requirements for batteries and lamps, electric-powered equipment, and office equipment, appliances, and audiovisual equipment are generally applicable across various project types. However, the specific emphasis on food waste recycling in Schools and Hospitality projects aligns with the operational characteristics of these facilities, where food service and preparation are integral activities. By focusing on food waste recycling, these projects can significantly reduce their environmental impact, contribute to community well-being, and often achieve operational cost savings.

Reference: The LEED v4 for Building Operations and Maintenance reference guide provides a detailed overview of the Materials and Resources credit category, which includes requirements for waste management. It outlines the specific emphasis on food waste management for Schools and Hospitality projects, recognizing the unique opportunities and challenges these project types face in achieving sustainable waste management practices.