What green building objective does utilizing high efficiency water fixtures achieve?
Conserving the Earth's potable water supply is a green building objective that can be achieved by utilizing high efficiency water fixtures. High efficiency water fixtures reduce the amount of water used for indoor plumbing, which reduces the demand on municipal water supply and wastewater systems. This also saves energy and money for the building owners and occupants. The LEED Green Associate Candidate Handbook states that one of the intents of the Water Efficiency category is to ''reduce potable water use within buildings and for landscape irrigation'' [1, p. 13].Reference:LEED Green Associate Candidate Handbook, [Water Efficiency | U.S. Green Building Council]
Which organization designed the Minimum Efficiency Reporting Value (MERV) measurement scale that rates the effectiveness of air filters?
ASHRAE developed the MERV scale, which rates air filter efficiency in capturing airborne particles. LEED references MERV ratings in Indoor Environmental Quality credits to ensure air quality.
Which of the following demonstrates life-cycle approach to development or design?
Renovating an existing building using recycled and salvaged building materials is an example of a life-cycle approach to development or design. A life-cycle approach is an approach that considers the environmental impacts of a product or a project from cradle to grave, or from extraction of raw materials to disposal or reuse. Renovating an existing building using recycled and salvaged building materials reduces the environmental impacts associated with new construction, such as land use change, resource depletion, energy consumption, waste generation, and greenhouse gas emissions. The LEED Green Associate Candidate Handbook states that one of the intents of the Materials and Resources category is to ''promote life-cycle assessment as a means of evaluating environmental impacts'' [1, p. 15].Reference:LEED Green Associate Candidate Handbook, [Life Cycle Assessment | U.S. Department of Energy]
Where could a project be located to purchase Renewable Energy Certificates (RECs)?
Renewable Energy Certificates (RECs) are tradable, non-tangible energy commodities that represent the environmental attributes of one megawatt-hour of electricity generated from renewable sources, such as wind, solar, hydro, or biomass1.RECs can be purchased by anyone, regardless of their location or utility provider, to support the development of renewable energy and reduce their carbon footprint2.RECs can also help projects earn points for the LEED v4 Innovation credit for Green Power and Carbon Offsets, which requires the purchase of at least 50% of the total building energy use from renewable sources or offsets for a minimum of five years3.
Using Renewable Energy for LEED Certification
Renewable Energy Certificates For Green Building Explained
LEED v4, Renewable Energy, and Carbon Offsets
Which of the following tools should be used to identify indoor environmental issues and prepare a corrective action plan to make necessary changes?
Occupant surveys are tools that can be used to identify indoor environmental issues and prepare a corrective action plan to make necessary changes. Occupant surveys are questionnaires that collect feedback from the building users about their satisfaction, comfort, health, and productivity in relation to the indoor environmental quality (IEQ) factors, such as thermal comfort, indoor air quality, lighting quality, acoustic quality, and occupant control. Occupant surveys can help to identify the sources and causes of IEQ problems, as well as the potential solutions and improvements.Occupant surveys are also required for some LEED credits, such as IEQc7.2 Thermal Comfort, Verification1, which requires a corrective action plan if more than 20% of the occupants are dissatisfied with the thermal conditions in the space2. The other options are not directly related to identifying indoor environmental issues and preparing a corrective action plan, as they involve different types of tools or metrics that are not relevant for measuring occupant satisfaction and comfort.
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