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This option requires the project team to focus on reducing the water consumption of the school project, because it is located in a basin that depends on the seasonal snowmelt for its water supply1. Installing efficient plumbing fixtures, such as low-flow faucets, toilets, and showerheads, can help save water and reduce the demand on the local water resources2. This option can also help the project achieve the LEED credits for outdoor and indoor water use reduction3.

References: = LEED v4: Building Design + Construction Guide, Water-Efficient Plumbing Fixtures, Water Efficiency | U.S. Green Building Council.

An economic advantage of the infill site is that it reduces the need for new utility infrastructure. This is because the infill site is located within an existing urban area that already has access to water, sewer, electricity, and other utilities1. The developer can save on the costs of extending or installing new utility lines and services to the rural greenfield site, which may not have adequate or reliable utility infrastructure2. The other options are not economic advantages, but rather environmental benefits of the infill site. Protecting greenfields and farmland, preserving habitat and natural resources, and reducing potential damage to an existing stream are all positive outcomes of avoiding development on the rural greenfield site, but they do not directly translate into monetary savings for the developer3.

References:

•High-priority site, p. 1

•The Economics of Infill Development, p. 2

•LEED v4 for Building Design and Construction, p. 69

The make and model of fixtures is required in determining the baseline for the Water Efficiency Prerequisite, Indoor Water Use Reduction. This information is used to calculate the baseline water consumption of the building, which is then compared to the proposed water use to determine the percentage reduction.References: LEED AP Building Design + Construction (LEED AP BD+C) V4 resources 1

QUSTION NO: 147

In order to comply with Indoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, Option 2. Additional Enhanced IAQ Strategies

A. all entrances to the building must have entryway systems 10 ft. (3 m) long in the direction of travel

B. CO2 monitors must be fitted in all densely occupied spaces and configured to provide an alert

C. all outdoor air supply systems must have an airflow measurement device that measures at least 90% of the airflow

D. all particle filters in the ventilation system must meet Comité Européen de Normalisation (CEN) standard Class F7 or better

Answer: D

To comply with the Indoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, Option 2, all particle filters in the ventilation system must meet the Comité Européen de Normalisation (CEN) standard Class F7 or better. This requirement ensures that the air quality inside the building is maintained at a high standard, contributing to the health and well-being of the occupants.References: LEED AP Building Design + Construction (LEED AP BD+C) V4 resources 1

The reuse calculation for MR Credit Building Life-Cycle Impact Reduction includes the surface area of structural elements that are reused in place or salvaged and reinstalled, such as floor decking, columns, beams, and roof decking. Exterior glazing and plumbing fixtures are not considered structural elements and are not included in the reuse calculation. Asbestos insulation is a hazardous material that should be removed and disposed of properly, not reused. References: MR Credit Building Life-Cycle Impact Reduction, LEED v4 Reference Guide for Building Design and Construction123