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| Certification Vendor: | USGBC (U.S. Green Building Council), administered by GBCI |
|---|---|
| Exam Name: | LEED AP Building Design + Construction Specialty Exam |
| Exam Number: | LEED-AP-BD-C |
| Exam Duration: | 120 (2 hours); combined option: 240 (4 hours) |
| Available Languages: | Brazilian Portuguese, French, Arabic, English, Spanish, Chinese |
| Exam Price: | $250–$400 USD (specialty only: $250 member / $400 non-member; combined: $400 member / $550 non-member) |
| Certificate Validity Period: | 2 years (requires continuing education to renew) |
| Real Exam Qty: | 100 (85 scored, 15 unscored pretest); combined: 200 |
| Exam Format: | Proctored online or at test centers, Scenario-based, Computer-based, Multiple-choice |
| Related Certifications: | LEED AP Homes LEED Green Associate LEED AP Operations + Maintenance LEED AP Neighborhood Development LEED AP Interior Design + Construction |
| Passing Score: | 170 (scaled score range 125–200) |
| Recommended Training: | Official Study Materials LEED AP BD+C Candidate Handbook |
| Exam Registration: | Official Registration |
| Sample Questions: | USGBC LEED-AP-BD-C Sample Questions |
| Exam Way: | Online proctored or in-person at Prometric test centers |
| Pre Condition: | Active LEED Green Associate credential; or take combined exam |
| Official Syllabus URL: | https://www.usgbc.org/credentials/leed-ap-bd-c |
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NEW QUESTION # 396
Which of the following products must always be included in Materials and Resources credits?
Answer: C
Explanation:
Interior paint must always be included in Materials and Resources credits.This is because interior paint is considered as a permanently installed product, which is defined by theLEED V5Reference Guide for Building Design and Construction as "a product that is installed in a project permanently or semi-permanently, such that removal would require demolition or substantial renovation."1Permanently installed products must be included in the calculations for the following Materials and Resources credits: Building Life-Cycle Impact Reduction, Building Product Disclosure and Optimization - Environmental Product Declarations, Building Product Disclosure and Optimization - Sourcing of Raw Materials, and Building Product Disclosure and Optimization - Material Ingredients.1The other options are not always included in Materials and Resources credits.Faucets (option A) and fire suppression systems (option D) are considered as mechanical, electrical, and plumbing components, which are excluded from the scope of Materials and Resources credits unless they are specifically addressed by the credit requirements.1Furniture (option B) is considered as a non-permanently installed product, whichis optional to include in Materials and Resources credits, except for the Building Product Disclosure and Optimization - Material Ingredients credit, where furniture must be included if it is within the project scope.1References:LEED V5Reference Guide for Building Design and Construction, p.5791;LEED V5Reference Guide for Building Design and Construction, p.5801;LEED V5Reference Guide for Building Design and Construction, p.5811;LEED V5Reference Guide for Building Design and Construction, p.5821;LEED V5Reference Guide for Building Design and Construction, p.5831
NEW QUESTION # 397
Which of the following statements is correct when defining the project boundary?
Answer: A
Explanation:
The land associated with the project supports typical operations
According to the LEED v4 Reference Guide for Building Design and Construction, the LEED project boundary must include all contiguous land that is associated with the project and supports its typical operations. This includes land altered as a result of construction and features used primarily by the project's occupants, such as hardscape (parking and sidewalks), septic or stormwater treatment equipment, and landscaping1. Therefore, statement C is correct when defining the project boundary. Statement A is incorrect because the LEED project boundary must be contiguous. Statement B is incorrect because the LEED project boundary can include more than one building, as long as they are on the same site and share a common scope of work. Statement D is incorrect because there is no such requirement for the gross floor area of the LEED project to be a certain percentage of the gross land area within the LEED project boundary.
NEW QUESTION # 398
In order to achieve Indoor Environmental Quality Credit, Quality Views the project team increased the window-to-wall ratio. Which prerequisite was impacted by this action?
Answer: A
Explanation:
Explanation
The correct answer isA. Energy and Atmosphere Prerequisite, Minimum Energy Performance. This is because:
* Increasing the window-to-wall ratio (WWR) would reduce the solar heat gain and the cooling load of the building, which are two of the main factors that affect the energy performance of a building12.
* The WWR is defined as the ratio of the area of windows to the area of external walls in a building3.The
* higher the WWR, the more natural light and ventilation can be achieved, which can improve the indoor environmental quality (IEQ) and reduce the need for artificial lighting and mechanical systems4.
* The LEED AP BD+C V4 credit for IEQ requires that buildings have a minimum WWR of 15% for south-facing walls and 20% for north-facing walls5.However, this minimum WWR may not be sufficient to achieve optimal IEQ in hot regions, where high solar radiation and humidity levels create high cooling demand6. Therefore, increasing the WWR beyond these minimum values can help achieve better IEQ by reducing both solar heat gain and cooling load.
* The other prerequisites are not impacted by increasing the WWR.Building-level energy metering is a prerequisite that requires measuring and reporting energy use at individual building units or zones5.Fundamental refrigerant management is a prerequisite that requires ensuring proper handling, storage, use, recovery, and disposal of refrigerants used in cooling systems5.Fundamental commissioning and verification is a prerequisite that requires ensuring that all commissioning activities are documented and verified according to LEED standards5.
References:1: Window-to-wall Ratio and Energy Efficiency: Finding the Perfect Fit2: Impact of Window to Wall Ratio on Energy Loads in Hot Regions: A Study of Building Energy Performance3: Determination of Optimum Window to External Wall Ratio for Offices in a Tropical Climate4: Parametric Optimization of Window-to-Wall Ratio for Passive Buildings in Hot Regions5: LEED v4: Building Design + Construction Guide - U.S.Green Building Council6: Effect of building shape, orientation, window to wall ratios and zones on energy efficiency and thermal comfort of naturally ventilated houses in tropical climate
NEW QUESTION # 399
The Exemplary Performance threshold for Sustainable Sites Credit, Rainwater Management requires:
Answer: B
Explanation:
Detailed Explanation:
Exemplary Performance for Rainwater Management requires achieving both Option 1 (Percentile of Rainfall Events) and Option 2 (Natural Land Cover Conditions). This demonstrates a superior level of stormwater management by addressing both the volume and quality of runoff, aligning with LEED's goals of reducing stormwater impacts on surrounding ecosystems and water infrastructure.
NEW QUESTION # 400
A contractor is building a retirement community project. 30% of the building's product costs were derived from reused/salvaged materials or met recycled content criteria. Which of the following credits can the LEED AP submit towards certification?
Answer: A
Explanation:
The Materials and Resources Credit, Building Product Disclosure and Optimization - Sourcing of Raw Materials rewards projects that use materials that have optimized extraction processes by limiting or eliminating the extraction of new resources, the reuse of materials or the use of recycled materials1. According to the LEED Reference Guide for Building Design and Construction2, the credit has two options: Option 1. Raw Material Source and Extraction Reporting and Option 2. Leadership Extraction Practices. Option 1 requires the project to use at least 20 permanently installed products from at least five different manufacturers that have publicly released a report from their raw material suppliers which include extraction locations, a commitment to long-term ecologically responsible land use, a commitment to reducing environmental harms from extraction and/or manufacturing processes, and a commitment to meeting applicable standards or programs voluntarily that address responsible sourcing criteria2. Option 2 requires the project to use products that meet at least one of the responsible sourcing criteria below for at least 25%, by cost, of the total value of permanently installed building products in the project:
* Extended producer responsibility. Products purchased from a manufacturer (producer) that participates in an extended producer responsibility program or is directly responsible for extended producer responsibility.
* Bio-based materials. Bio-based products must meet the Sustainable Agriculture Network's Sustainable Agriculture Standard. Bio-based raw materials must be tested using ASTM Test Method D6866 and be legally harvested, as defined by the exporting and receiving country. Exclude hide products, such as leather and other animal skin material.
* Wood products. Wood products must be certified by the Forest Stewardship Council or USGBC- approved equivalent.
* Materials reuse. Reused products must include salvaged, refurbished, or reused products.
* Recycled content. Recycled content is the sum of postconsumer recycled content plus one-half the preconsumer recycled content, based on cost. Products meeting recycled content criteria are valued at
100% of their cost for the purposes of credit achievement calculation.
* USGBC approved program. Other USGBC approved programs meeting leadership extraction criteria.
Therefore, among the given options, only Option A is relevant to the use of reused/salvaged materials or recycled content, as they can contribute to the materials reuse or recycled content criteria under Option
2. Option B is a prerequisite that requires the project to develop and implement a construction and demolition waste management plan that identifies the materials to be diverted from disposal and whether the materials will be sorted on-site or co-mingled2. Option C is a credit that requires the project to use at least 20 different permanently installed products from at least five different manufacturers that use any of the following programs to demonstrate the chemical inventory of the product to at least 0.1% (1000 ppm):
* Health Product Declaration. The end use product has a published, complete Health Product Declaration with full disclosure of known hazards in compliance with the Health Product Declaration Open Standard.
* Cradle to Cradle. The end use product has been certified at the Cradle to Cradle v2 Basic level or Cradle to Cradle v3 Bronze level.
* REACH Optimization. The end use product is compliant with REACH Optimization criteria.
* GreenScreen v1.2 Benchmark. The product's chemical ingredients are inventoried using the GreenScreen v1.2 Benchmark.
* Declare. The Declare product label must indicate that all ingredients have been disclosed down to 1000 ppm.
Option D is a credit that requires the project to use at least 20 different permanently installed products that have environmental product declarations. The products must be sourced from at least five different manufacturers. The environmental product declarations must conform to ISO 14025, 14040, 14044, and EN
15804 or ISO 21930 and have at least a cradle-to-gate scope2.
References:
* LEED Reference Guide for Building Design and Construction v4
* Recycled content | U.S. Green Building Council
* CS-v4.1 MRc3: Sourcing of Raw Materials | LEEDuser
* How to choose the right materials for a LEED project? - GBCE
NEW QUESTION # 401
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