Instituting a policy to prevent erosion and sedimentation and restore any eroding soils is a requirement of which credit or prerequisite?
Answer(s): D
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.
LEED v4: Building Operations + Maintenance Guide, LEED AP with specialty
When calculating Water Efficiency Credit, Outdoor Water Use Reduction, the irrigation of athletic fields
Answer(s): C
When calculating the Water Efficiency Credit for Outdoor Water Use Reduction, the irrigation of athletic fields may be included or excluded based on the project's specific circumstances and goals. This flexibility allows projects to tailor their water efficiency strategies to their unique site conditions, uses, and priorities, ensuring that the approach to outdoor water use reduction is both practical and effective.
The Water Efficiency section of the LEED O+M Reference Guide provides guidance on calculating outdoor water use, offering options for including or excluding certain areas like athletic fields to meet the project's needs.
An urban office building project is installing a cooling tower. To save on potable water, the project would like to use a non-potable water source to provide 20% of the cooling tower makeup water to achieve the maximum number of points under Water Efficiency Credit, Cooling Tower Water Use. Which non-potable water source would be the most appropriate for use?
Air conditioner condensate is considered a non-potable water source that can be used for cooling towers. This is because air conditioner condensate is essentially distilled water, which is produced as a by-product of the air conditioning process. It is free from most impurities found in other water sources, making it an ideal choice for use in cooling towers. Using this source not only conserves potable water but also reduces the load on municipal water supplies.
LEED v4: Building Operations + Maintenance Guide1, LEED AP with specialty | U.S. Green Building Council2, LEED v4.1 Fact Sheet - BuildingGreen3, LEED v4.1 OPERATIONS AND MAINTENANCE - GreenCE4, Guide to the LEED AP Operations and Maintenance (O+M) Exam5.
The decision to replace Chlorofluorocarbon (CFC) and Hydrochlorofluorocarbon (HCFC) refrigerants with alternative refrigerants
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 outWhat Are HFCs, and How Are They Being Regulated?Freon One ShotTM C (R-422C) RefrigerantRefrigerant Table: Explanation and Glossary of Terms - HRAI
Which of the following topics needs to be addressed by retail project teams when administering the supply chain survey in order to meet the requirements of Materials and Resources, Ongoing Purchasing and Waste Policy, Option 1?
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.
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.
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