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NEW QUESTION # 67
A project has total waste of 20 tons (18.1 tonnes) that includes the following:
8 tons (7.3 tonnes) of recycled demolition steel and concrete
2 tons (1.8 tonnes) of trees cleared from the site
. 3 tons (2.7 tonnes) of commingled scrap with 40% diverted
. 6 tons (5.4 tonnes) of used furniture donated to a non-profit organization
1 ton (0.9 tonnes) of removed carpet and ceiling tiles sent back to the manufacturer What is the percentage of diverted waste for Materials and Resources Credit, Construction and Demolition Waste Management?
- A. 75%
- B. 100%
- C. 90%
- D. 60%
Answer: A
Explanation:
Explanation
The percentage of diverted waste for Materials and Resources Credit, Construction and Demolition Waste Management is calculated by dividing the total weight of diverted materials by the total weight of waste generated1. Diverted materials are those that are reused, recycled, salvaged, or donated2. In this case, the total weight of diverted materials is:
8 tons (7.3 tonnes) of recycled demolition steel and concrete
6 tons (5.4 tonnes) of used furniture donated to a non-profit organization
1 ton (0.9 tonnes) of removed carpet and ceiling tiles sent back to the manufacturer
40% of 3 tons (2.7 tonnes) of commingled scrap, which is 1.2 tons (1.1 tonnes) The sum of these weights is 16.2 tons (14.7 tonnes). The total weight of waste generated is 20 tons (18.1 tonnes). Therefore, the percentage of diverted waste is:
(16.2 / 20) x 100 = 81%
However, the credit allows for a 10% adjustment for vegetative waste, which is not considered a building material3. Therefore, the percentage of diverted waste after adjustment is:
(81 - 10) = 71%
The closest answer option to this value is B. 75%.
References:
Construction and Demolition Waste Management
Construction Waste Management
Construction and Demolition Waste Management - Canada Green Building Council
NEW QUESTION # 68
A project team seeking certification for a new school is attempting to achieve Materials and Resources Credit, Construction and Demolition Waste Management, Option 2. Reduction of Total Waste Material. What strategy can be taken to meet the requirements of this credit?
- A. Track waste materials per occupant
- B. Document total waste per building floor area
- C. Track waste materials used on site
- D. Document total waste by project cost
Answer: B
Explanation:
Explanation
The correct answer is D. Document total waste per building floor area.
According to the LEED v4.1 Reference Guide for Building Design and Construction, Option 2 of the Construction and Demolition Waste Management credit requires projects to reduce the total construction waste generated by the project to less than 12.2 kilograms per square meter (2.5 pounds per square foot) of the building's floor area1. This option rewards projects for implementing waste prevention strategies, such as designing for material optimization, prefabrication, modular construction, deconstruction, and reuse1. To meet the requirements of this option, projects must document the total weight or volume of all construction waste generated by the project, excluding land-clearing debris and excavated soil, and divide it by the building's floor area1. Projects must also provide a narrative describing the waste prevention measures taken during design and construction1.
NEW QUESTION # 69
What stage of LEED for Neighborhood Development certification listed below is eligible for points under Building Design and Construction: New Construction, Location and Transportation Credit, LEED for Neighborhood Development Location?
- A. LEED for Neighborhood Development Pilot, Stage 3 LEED for Neighborhood Development Certified Project
- B. LEED v4, LEED for Neighborhood Development Conditional Approval
- C. LEED 2009, Stage 1 Conditional Approval of LEED for Neighborhood Development Plan
- D. LEED for Neighborhood Development Pilot, Stage 1 LEED for Neighborhood Development Pre-reviewed Plan
Answer: A
Explanation:
Explanation
The only stage of LEED for Neighborhood Development certification that is eligible for points under Building Design and Construction: New Construction, Location and Transportation Credit, LEED for Neighborhood Development Location, is LEED for Neighborhood Development Pilot, Stage 3 LEED for Neighborhood Development Certified Project. This is because the credit requires that the project be located within the boundary of a development that has achieved certification under LEED for Neighborhood Development (either Stage 2 or Stage 3 under the Pilot or 2009 rating systems, or Certified Plan or Certified Project under the LEED v4 rating system)1 The other stages listed in the question are either conditional approvals or pre-reviews that do not guarantee certification23 References: 1: LEED v4 Reference Guide for Building Design and Construction, Location and Transportation Credit: LEED for Neighborhood Development Location, page 460. 2: LEED for Neighborhood Development Location - Above Green 3 3: LEED v4:
Building Design + Construction Guide - U.S. Green Building Council 1
NEW QUESTION # 70
A design team is pursuing Indoor Environmental Quality Credit, Indoor Air Quality Assessment. The building is 1,000 ft2 (93 m2) and has a 10 ft. (3 m) ceiling height. In order to earn the credit, what is the required volume of supply air for the entire building flush-out?
- A. 3,500,000 ft3 (99 108 m3)
- B. 35,000,000 ft3 (991 089 m3)
- C. 10,000,000 ft3 (283 168 m3)
- D. 14,000,000 ft3 (396 435 m3)
Answer: D
NEW QUESTION # 71
What LEED Building Design and Construction rating system mandates a preliminary LEED meeting with the principal members of the project team to create a LEED action plan that includes the anticipated certification tier, targeted credits and parties responsible for each credit?
- A. Data centers
- B. Schools
- C. Healthcare
- D. Hospitality
Answer: A
Explanation:
Explanation
Data centers is the only LEED BD+C rating system that mandates a preliminary LEED meeting with the principal members of the project team to create a LEED action plan that includes the anticipated certification tier, targeted credits and parties responsible for each credit. This is because data centers have unique design and operational characteristics that require a more integrative and customized approach to achieve LEED certification. The preliminary LEED meeting is intended to facilitate early goal setting, alignment, and communication among the project team members12. References: LEED BD+C Reference Guide, Data Centers, page 91; LEED v4.1 BD+C: Data Centers
NEW QUESTION # 72
The owner has stated a desire to provide a variety of non-automobile commuting options for the future occupants.
What credits should the LEED AP suggest to meet this goal?
- A. Sustainable Sites Credit, Heat Island Reduction and Location and Transportation Credit, Bicycle Facilities
- B. Location and Transportation Credit, Reduced Parking Footprint and Location and Transportation Credit, Access to Quality Transit
- C. Location and Transportation Credit, Surrounding Density and Diverse Uses and Sustainable Sites Credit, Open Space
- D. Location and Transportation Credit, Access to Quality Transit and Location and Transportation Credit, Sensitive Land Protection
Answer: B
NEW QUESTION # 73
Building Product Disclosure and Optimization is based on market
- A. consumption
- B. reliability
- C. durability
- D. transparency
Answer: D
Explanation:
Explanation
Building Product Disclosure and Optimization is based on market transparency, which means providing information about the environmental and social impacts of the products and materials used in the building. The LEED v4 Reference Guide for Building Design and Construction states that "the intent of this credit category is to encourage the use of products and materials for which life-cycle information is available and that have environmentally, economically, and socially preferable life-cycle impacts"1. By disclosing the information about the product ingredients, environmental product declarations, sourcing of raw materials, and material ingredients optimization, the project team can make informed decisions and support the development of a more sustainable market.
References:
* LEED v4 Reference Guide for Building Design and Construction, Materials and Resources Credit:
Building Product Disclosure and Optimization - Environmental Product Declarations, page 5462
* LEED v4 Reference Guide for Building Design and Construction, Materials and Resources Credit:
Building Product Disclosure and Optimization - Sourcing of Raw Materials, page 5502
* LEED v4 Reference Guide for Building Design and Construction, Materials and Resources Credit:
Building Product Disclosure and Optimization - Material Ingredients, page 5542
NEW QUESTION # 74
Where must a building's no-smoking signage be posted?
- A. Within 25 ft. (8 m) of all building entrances
- B. Within 10 ft. (3 m) of the main building entrance(s)
- C. Within 25 ft. (8 m) of the main building entrance(s)
- D. Within 10 ft. (3 m) of all building entrances
Answer: A
Explanation:
Explanation
This is the requirement for the Indoor Environmental Quality prerequisite Environmental Tobacco Smoke Control, which applies to all LEED BD+C rating systems. The intent is to prevent or minimize exposure of building occupants, indoor surfaces, and ventilation air distribution systems to environmental tobacco smoke.
The no-smoking signage must explicitly state the 25 ft. (8 m) limitand communicate the no-smoking policy to occupants.
References: = [LEED v4: Building Design + Construction Guide], Indoor Environment Prerequisite: No Smoking within 25 Feet of Building, Non-smoking policy + signage. Message has links.
NEW QUESTION # 75
Location and Transportation Credit, Reduced Parking Footprint calculations must include
- A. motorbike spaces
- B. on-street parking in public rights-of-way
- C. parking within 1/4 mi. (0.40 km) radius of the project boundary
- D. parking outside the project boundary but used by the project
Answer: D
Explanation:
Explanation
This option requires the project to include all parking spaces that are outside the project boundary but are used by the project occupants, visitors, or customers in the calculations for the reduced parking footprint credit1.
This option ensures that the project accounts for the total parking demand and supply associated with the project, regardless of the location of the parking spaces2.
References: = [LEED v4: Building Design + Construction Guide], NC-v4 LTc7: Reduced parking footprint | LEEDuser.
NEW QUESTION # 76
Water Efficiency Prerequisite, Outdoor Water Use Reduction, Option 2. Reduced Irrigation, requires that a project's landscape water requirement be reduced by what percentage from the calculated baseline for the project site's peak watering month?
- A. 20%
- B. 30%
- C. 40%
- D. 25%
Answer: B
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, the Water Efficiency Prerequisite, Outdoor Water Use Reduction, Option 2. Reduced Irrigation, requires that a project's landscape water requirement be reduced by at least 30% from the calculated baseline for the project site's peak watering month. The baseline is determined by the Environmental Protection Agency (EPA) WaterSense Water Budget Tool, or a local equivalent for projects outside the U.S.The reduction must be achieved through plantspecies selection and irrigation system efficiency1.References: LEED v4: Building Design + Construction Guide, Water Efficiency Prerequisite, Outdoor Water Use Reduction, Option 2.Reduced Irrigation, Requirements1
NEW QUESTION # 77
What aspects of each space should the LEED consultant consider to identify the regularly occupied spaces on a project to ensure that floor area values are utilized consistently across credits?
- A. Fire ratings of installed wall and ceiling assemblies
- B. Average number of occupants standing or seated
- C. Rate of outdoor air provided per person
- D. Typical duration of occupancy in each space per day
Answer: B
Explanation:
Explanation
Average number of occupants standing or seated
To identify the regularly occupied spaces on a project, the LEED consultant should consider the average number of occupants standing or seated in each space, as this is the criterion used by the LEED Reference Guide for Green Building Design and Construction, 20091. Regularly occupied spaces are defined as areas where workers are seated or standing as they work (or perform regular tasks) inside a building2. The typical duration of occupancy in each space per day is not necessarily relevant, as some spaces may be used intermittently but still qualify as regularly occupied2. The rate of outdoor air provided per person and the fire ratings of installed wall and ceiling assemblies are not related to the definition of regularly occupied spaces, but rather to other credits such as Indoor Environmental Quality or Fire and Life Safety.
NEW QUESTION # 78
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?
- A. 93 lighting control devices
- B. 100 lighting control devices
- C. 91 lighting control devices
- D. 103 lighting control devices
Answer: A
Explanation:
Explanation
To comply with Indoor Environmental Quality Credit, Interior Lighting, Option 1. Lighting Control, the tenant of a new office building will require93 lighting control deviceswith 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.
References:Interior lighting
NEW QUESTION # 79
What is a viable strategy for optimizing open space under Sustainable Sites Credit, Open Space? U
- A. Coordinate open space features during the construction phase
- B. Minimize the floor-area ratio (FAR) and accessibility for open space
- C. Coordinate open space features early during the site planning phase
- D. Design a parking and road footprint layout that is not near open land
Answer: C
Explanation:
Explanation
Coordinating open space features early during the site planning phase is a viable strategy for optimizing open space under Sustainable Sites Credit, Open Space. This can help to preserve natural habitats, reduce heat island effects, and enhance human health and well-being. The credit requires that the project provide outdoor space that is at least 30% of the total site area, and that at least 25% of that outdoor space meets certain criteria for vegetated, pervious, or shaded areas. References:
* LEED credit library: This is the USGBC's comprehensive listing of all the LEED credits available in pursuing certification for your project. The credit library contains the requirements and guidance for each credit, as well as the web-based reference guide for the Building Design and Construction rating system.
* Open Space: This is the specific credit page for the Open Space credit under the Sustainable Sites category. It provides the intent, requirements, and strategies for achieving the credit, as well as the number of points available and the applicable project types.
* Step by Step Approach to Comply with the Open Space Credit in LEED v4: This is a blog post that explains the steps and calculations involved in complying with the Open Space credit. It also provides some examples and tips for optimizing open space design.
NEW QUESTION # 80
In pursuit of the Materials and Resources Credit, Building Disclosure and Optimization - Sourcing of Raw Materials, Option 2. Leadership Extraction Practices, which of the following statements is true related to products purchased for temporary use (formwork, bracing and scaffolding) on the project?
- A. Only Forest Stewardship Council (FSC)-certified wood materials are included in the calculation; non-certified wood materials contribute to other credits
- B. If any temporary wood materials are included in the calculation, all wood materials must be included in the calculation
- C. Temporary wood products cannot be included in the calculations
- D. FSC-certified wood materials purchased for more than one project can be applied to other projects seeking LEED Certification
Answer: C
Explanation:
Explanation
Temporary wood products cannot be included in the calculations for the Materials and Resources Credit, Building Disclosure and Optimization - Sourcing of Raw Materials, Option 2. Leadership Extraction Practices.
This is because the credit only applies to permanently installed building products, not to products purchased for temporary use on the project1. The other options are false. If any temporary wood materials are included in the calculation, they must be excluded from the total value of permanently installed building products1.
Non-certified wood materials do not contribute to other credits, unless they meet other criteria such as recycled content or regional materials2. FSC-certified wood materials purchased for more than one project cannot be applied to other projects seeking LEED certification, unless they are reused or salvaged materials3.
References:
*Building product disclosure and optimization - sourcing of raw materials, p. 2
*LEED v4 for Building Design and Construction, p. 323
*NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials, p. 3
NEW QUESTION # 81
Every location in the U.S. identifies how many regional credits?
- A. Four
- B. Seven
- C. Six
- D. Five
Answer: A
Explanation:
Explanation
Every location in the U.S. identifies four regional credits that are of particular importance for that region.
These credits are selected by the USGBC regional councils and chapters based on the environmental, social, and public health issues that are relevant for their areas. A project can earn up to four bonus points by achieving these regional credits.
References:
*LEED v4 BD+C Reference Guide, page 6081
*Regional Priority (RP) credits - U.S. Green Building Council2
NEW QUESTION # 82
A mixed-use development is located 1/2 mi. (0.80 km) from a future commuter rail line station.Which of the following pieces of information is needed when determining whether the rail line station can contribute to Location and Transportation Credit, Access to Quality Transit?
- A. Connections to transfer routes
- B. Discounted rail pass availability
- C. Rail line station construction completion date
- D. Passenger capacity
Answer: C
Explanation:
Explanation
The rail line station construction completion date is needed when determining whether the rail line station can contribute to Location and Transportation Credit, Access to Quality Transit. This is because the credit requires that the transit service must be existing or planned to be in operation within two years of the project's occupancy1. Discounted rail pass availability, connections to transfer routes, and passenger capacity are not relevant for this credit1.
References:
*Access to quality transit, p. 1
NEW QUESTION # 83
U.S. Green Building Council (USGBC)'s vision for using LEED internationally includes
- A. modifying U.S. reference standards, such as ASHRAE 90.1, to be more appropriate for regions outside the U.S.
- B. allowing more stringent credit requirements for countries outside of the U.S. so that all projects can achieve LEED
- C. creating multiple LEED rating systems for different countries
- D. providing opportunities for alternative compliance paths that meet the unique needs of a particular region
Answer: D
Explanation:
Explanation
USGBC's vision for using LEED internationally is to promote green building practices that are globally applicable, locally relevant, and culturally sensitive1. To achieve this vision, USGBC provides opportunities for alternative compliance paths (ACPs) that meet the unique needs of a particular region, such as climate, codes, standards, market conditions, and priorities2. ACPs are modifications or additions to existing LEED credits or prerequisites that recognize regional differences and allow for more flexibility and applicability of LEED3. ACPs are developed by USGBC in collaboration with local green building councils, experts, and stakeholders, and are reviewed and approved by the LEED Steering Committee3. ACPs are available for various regions and countries, such as China, India, Brazil, Europe, and Canada2.
References:
* LEED International | U.S. Green Building Council
* Alternative Compliance Paths (ACPs) | U.S. Green Building Council
* USGBC's 2020 vision will use LEED to further global connectedness | U.S. Green Building Council
* LEED Reference Guide for Building Design and Construction v4
NEW QUESTION # 84
In addition to Materials and Resources Credit, Building Life-Cycle Impact Reduction, Option 3. Building and Materials Reuse, salvaged materials contribute to the achievement of
- A. Materials and Resources Credit, Building Product Disclosure and Optimization - Environmental Product Declarations
- B. Materials and Resources Credit, Building Product Disclosure and Optimization - Material Ingredients
- C. Materials and Resources Prerequisite, Storage and Collection of Recyclables
- D. Materials and Resources Credit, Construction and Demolition Waste Management
Answer: D
Explanation:
Explanation
Materials and Resources Credit, Construction and Demolition Waste Management Salvaged materials are materials that have been recovered or diverted from the waste stream for reuse. They can contribute to the achievement of the Construction and Demolition Waste Management credit, which aims to reduce the amount of waste generated by construction and demolition activities and divert it from landfills and incinerators. By reusing salvaged materials, projects can reduce the demand for new materials, conserve natural resources, save energy, and lower greenhouse gas emissions. Salvaged materials can be counted as part of the total waste diverted from disposal, as long as they are not counted for the Building Life-Cycle Impact Reduction credit1.
References:
Reference Guide for Building Design and Construction v4 - Pages 263-2642 LEED Certification and Sustainable Construction Waste Management3
NEW QUESTION # 85
When calculating the reverberation time of a room, which of the following pieces of information is least relevant?
- A. Noise reduction coefficient of the ceiling surface
- B. Sound absorption coefficient of the floor surface
- C. Operating sound level of nearest HVAC equipment
- D. Height and width of room
Answer: C
Explanation:
Explanation
When calculating the reverberation time of a room, the operating sound level of the nearest HVAC equipment is the least relevant piece of information. The reverberation time is the time it takes for the sound to decay by
60 decibels after the source stops emitting sound. The reverberation time depends on the volume and the surface area of the room, as well as the sound absorption coefficients of the materials that cover the surfaces.
The height and width of the room are needed to calculate the volume and the surface area. The noise reduction coefficient of the ceiling surface and the sound absorption coefficient of the floor surface are needed to calculate the total sound absorption of the room. The operating sound level of the nearest HVAC equipment is not relevant for calculating the reverberation time, but it may affect the background noise level and the speech intelligibility in the room.
References:
*LEED v4 Reference Guide for Building Design and Construction, Indoor Environmental Quality Credit:
Acoustic Performance, page 7101
*Sounds of Silence: Acoustic Performance in LEED v4.12
NEW QUESTION # 86
Which of the following plumbing fixtures apply to the calculations in Water Efficiency Prerequisite, Indoor Water Use Reduction?
- A. Toilets, urinals, pre-rinse spray valves
- B. Toilets, private lavatory faucets, dishwashers
- C. Urinals, public lavatory faucets, kitchen sink faucets
- D. Urinals, showerheads, commercial kitchen filling operations faucets
Answer: C
Explanation:
Explanation
According to the LEED v4: Building Design + Construction Guide, the Water Efficiency Prerequisite, Indoor Water Use Reduction requires the project to reduce the aggregate water consumption from plumbing fixtures and fittings by at least 20% from the baseline. The baseline water consumption is determined by the Energy Policy Act of 1992 and subsequent rulings by the Department of Energy, or a local equivalent for projects outside the U.S.The plumbing fixtures and fittings that apply to the calculations are toilets, urinals, lavatory faucets (both private and public), showerheads, and kitchen sink faucets1.Pre-rinse spray valves, dishwashers, and commercial kitchen filling operations faucets are not included in the calculations, as they are considered process water uses1.Therefore, the correct answer is C, urinals, public lavatory faucets, kitchen sink faucets.References: LEED v4: Building Design + Construction Guide, Water Efficiency Prerequisite, Indoor Water Use Reduction, Requirements1
NEW QUESTION # 87
Which of the following buildings meets the Minimum Program Requirements for LEED certification?
- A. A 20,000 ft2 (1 859 m2) Transit Parking Garage located on a previously developed five-acre site
- B. A 2,500 ft2 (232 m2) mobile Health Clinic located on a previously constructed above-water dock
- C. A 1,500 ft2 (139 m2) Tourism Center located on a previously undeveloped one-acre site
- D. A 5,000 ft2 (465 m2) Science Education center on an above-water pier that is being built specifically for the Education center
Answer: D
Explanation:
Explanation
The Minimum Program Requirements (MPRs) for LEED certification are:
MPR 1: Must be in a permanent location on existing land
MPR 2: Must use reasonable LEED boundaries
MPR 3: Must comply with project size requirements
Option A does not meet MPR 1 because it is located on a previously undeveloped site, which is not considered existing land. Option B does not meet MPR 3 because it is a parking garage, which is excluded from LEED certification unless it is part of a larger project. Option C does not meet MPR 1 because it is a mobile clinic, which is not considered permanent. Option D meets all the MPRs because it is a permanent building on existing land, it has reasonable LEED boundaries, and it meets the minimum gross floor area of 1,000 ft2 (93 m2) for BD+C projects.
References:
LEED minimum program requirements
Minimum Program Requirements (MPRs)
What do the LEED Minimum Program Requirements Really Mean?
NEW QUESTION # 88
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