Question 1

A project needs 5,000 ft2 (464.5 m2) of raised flooring. The tenant wants to refurbish and install an existing raised floor from another building as part of the project. If this material will equate to 14% of the overall project materials cost, which credit would this contribute towards?

AInnovation Credit, Option 1. Innovation

BMaterials and Resources Credit, Construction and Demolition Waste Management

CMaterials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials, Option 2. Leadership Extraction Practices

DMaterials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials, Option 1. Raw Material Sourcing and Extraction Disclosure

Answer : C

Reusing existing materials from another building, like the raised flooring in this case, contributes to the LEED goal of reducing the demand for virgin materials and minimizing environmental impact. This reuse can be considered as part of the Building Life Cycle Impact Reduction credit, which falls under the umbrella of Materials and Resources credits. Specifically, Option 3 of this credit deals with building and material reuse. By refurbishing and reinstalling an existing raised floor, the tenant's actions demonstrate leadership in extraction practices because they are extending the lifecycle of existing materials, thereby reducing the need for new materials and the environmental burden associated with material extraction and processing.

Question 2

What strategy contributes to achievement of Materials and Resources Credit, Construction and Demolition Waste Management?

AReuse existing plumbing fixtures

BUse on-site soil to re-grade garden

CReuse furniture from the existing space

DReturn removed carpet to the manufacturer

Answer : D

The strategy that contributes to the achievement of the Materials and Resources Credit for Construction and Demolition Waste Management is returning removed carpet to the manufacturer. This action falls under the category of waste diversion, which is a key component of the credit.By sending the carpet back to the manufacturer, it can be recycled or repurposed, thus reducing the amount of waste sent to landfills and contributing to the circular economy1.

LEED v4 Construction and Demolition Waste Calculator1.

LEED v4: Interior Design + Construction Guide2.

Article on LEED Certification and Sustainable Construction Waste Management3.

Question 3

A mechanical engineer needs to identify spaces that are considered densely occupied according to LEED in order to document

AIndoor Environmental Quality Credit, Interior Lighting, Option 2

BIndoor Environmental Quality Credit, Thermal Comfort, Control Requirements

CIndoor Environmental Quality Credit, Indoor Air Quality Assessment, Option 2. Air Testing

DIndoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, Option 2 C. Carbon Dioxide Monitoring

Answer : D

In LEED, densely occupied spaces are relevant for assessing indoor environmental quality strategies, especially concerning carbon dioxide monitoring. High-density occupancy can lead to increased levels of CO2, which may affect occupants' comfort and health. Identifying densely occupied spaces is a crucial step in designing appropriate ventilation and air quality monitoring systems, and the carbon dioxide monitoring strategy aims to maintain the CO2 levels within acceptable limits in such spaces.

Question 4

A project consists of both retail and office space. When deciding which LEED Interior Design and Construction rating system to use, the LEED AP should follow which of the following rules?

AIf a rating system is appropriate for less than 50% of the gross area of the LEED project space, then the rating system should not be used

BIf a rating system is appropriate for more than 50% of the gross floor area of LEED project space, then that rating system should be used

CIf a rating system is appropriate for 50% to 60% of the gross floor area, the project team must independently assess their situation and decide which rating system is most applicable

DIf a rating system is appropriate for 40% to 60% of the gross floor area, the project team must independently assess their situation and decide which rating system is most applicable

Answer : B

When selecting a LEED Interior Design and Construction rating system, the LEED AP should use the rating system that is appropriate for the majority of the project's gross floor area. If more than 50% of the project's area can be appropriately rated under a particular system, then that system should be applied to the entire project.

LEED v4: Interior Design + Construction Guide1

LEED rating system selection guidance2.

When determining the most applicable LEED Interior Design and Construction rating system for a mixed-use project, such as one consisting of both retail and office space, the general guideline is to choose the rating system that is appropriate for the majority of the project's gross floor area. If a specific LEED rating system covers more than 50% of the project's gross floor area, it should be selected for the entire project. This approach ensures that the chosen rating system aligns closely with the predominant use of the project, facilitating a more relevant and effective sustainability strategy that addresses the primary functions and needs of the space. Reference:

LEED v4 for Interior Design and Construction Reference Guide, particularly the sections outlining how to choose the appropriate rating system for mixed-use projects

Question 5

A mechanical engineer needs to determine the number of carbon dioxide monitors needed for the public area of a hotel. The public area includes the hotel front desk, the hotel lobby, two public restrooms and one corridor.

The aim is to achieve Indoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, Option 2. Additional Enhanced IAQ Strategies, Part C. Carbon Dioxide Monitoring. The project's LEED AP

should recommend a minimum of how many CO2 monitors?

AOne

BTwo

CFour

DFive

Answer : A

According to the LEED AP ID+C reference guide, for the purpose of achieving the Indoor Environmental Quality Credit under Enhanced IAQ Strategies, CO2 monitoring should be implemented in all densely occupied spaces1. The public areas of a hotel, including the front desk, lobby, restrooms, and corridor, are typically not considered densely occupied spaces. Therefore, a single CO2 monitor in a central location like the lobby could suffice for the entire public area to meet the requirements of the credit.

LEED v4: Interior Design + Construction Guide1.

Enhanced Indoor Air Quality Strategies, LEEDuser1.

Free Practice Questions for US Green Building Council LEED-AP-ID+C Exam

Question 1

Question 2

Question 3

Question 4

Question 5