Free US Green Building Council LEED-AP-BD-C Exam Actual Questions

The questions for LEED-AP-BD-C were last updated On Feb 17, 2025

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Question No. 1

A new five-story building with a 30,000 ft2 (2 800 m2) footprint is being designed on a previously disturbed100,000 ft2 (9 290 m2) site. The remaining on-grade surface will be 35,000 ft2 (3 250 m2) of asphalt parking, and 35,000 ft2 (3 250 m2) of native vegetated open space. To achieve a point for exemplary performance under Option 1 of Sustainable Sites Credit, Site Development - Protect or Restore Habitat, the design team will have to incorporate a native and/or adapted vegetated roof with a minimum area of

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Question No. 2

A tenant of a new office building will require 100 workstations per floor. Each floor will have two bathroom facilities and one conference room. How many lighting control devices with at least three lighting levels per floor are required to comply with Indoor Environmental Quality Credit, Interior Lighting, Option 1. Lighting Control?

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Correct Answer: B

To comply with Indoor Environmental Quality Credit, Interior Lighting, Option 1. Lighting Control, the tenant of a new office building will require 93 lighting control devices with at least three lighting levels per floor. This is because the credit requires that at least 90% of individual occupant spaces have lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences1. The credit also requires that all shared multioccupant spaces have lighting controls that enable adjustments that meet the needs of the group1. According to the LEED BD+C Reference Guide, an individual occupant space is defined as an enclosed space or an open space that is occupied by one person and is at least 50 square feet (4.6 square meters) in area1. A shared multioccupant space is defined as an enclosed or open space that is occupied by more than one person and is at least 100 square feet (9.3 square meters) in area1.

Based on the given information, each workstation can be considered as an individual occupant space, and each bathroom facility and conference room can be considered as a shared multioccupant space. Therefore, the number of lighting control devices per floor can be calculated as follows:

For the 100 workstations, 90% of them need lighting controls, which is 90 workstations. Each workstation needs one lighting control device, so the total number of lighting control devices for the workstations is 90.

For the two bathroom facilities, each facility needs one lighting control device, so the total number of lighting control devices for the bathroom facilities is 2.

For the one conference room, one lighting control device is needed, so the total number of lighting control devices for the conference room is 1.

The total number of lighting control devices per floor is then 90 + 2 + 1 = 93.


Question No. 3

Qualifying spaces for the Sustainable Sites Credit, Places of Respite must

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Question No. 4

When measuring sound pressure levels in a classroom to determine compliance with the HVAC background noise requirements of LEED Building Design and Construction: Schools, Indoor Environmental Quality Prerequisite, Minimum Acoustic Performance, what testing conditions are appropriate for the classroom?

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Correct Answer: C

To meet the Indoor Environmental Quality (IEQ) Prerequisite: Minimum Acoustic Performance for classrooms, sound pressure level measurements should be taken under conditions that reflect typical classroom use without occupants, ensuring accuracy in assessing HVAC background noise levels. Furnished, no occupants, HVAC operating at typical level (C) is the correct testing setup, as it accounts for sound absorption by furniture but excludes ambient noise from people. This setup provides a more accurate measure of the background noise levels produced by HVAC systems, ensuring compliance with acoustic performance requirements for optimal learning environments.


Question No. 5

What is the minimum gross floor area required for a Building Design and Construction project to be eligible for

certification?

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