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?
Answer(s): C
According to the LEED Reference Guide for Building Design and Construction1, the IndoorEnvironmental Quality Credit, Indoor Air Quality Assessment, Option 1. Flush-Out requires the project to perform a building flush-out by supplying a total air volume of 14,000 cubic feet of outdoor air per square foot of gross floor area while maintaining an internal temperature of at least 60°F and no higher than 80°F and relative humidity no higher than 60%. The gross floor area of the building is 1,000 ft2 and the ceiling height is 10 ft, so the required volume of supply air for the entire building flush-out is:14,000 ft3/sf x 1,000 sf = 14,000,000 ft3
LEED Reference Guide for Building Design and Construction v4
Which of the following Water Efficiency credits differ between LEED Building Design and Construction: New Construction and LEED Building Design and Construction: Healthcare?
. LEED Building Design and Construction: Healthcare has additional appliance and process water requirements in Water Efficiency Prerequisite, Indoor Water Use Reduction LEED Building Design and Construction: New Construction and LEED Building Design and Construction: Healthcare have the same Water Efficiency credits, except for the Cooling Tower Water Use credit, which is only applicable to the former. However, the Indoor Water Use Reduction prerequisite differs between the two rating systems, as the Healthcare version requires additional calculations for appliance and process water use, such as medical equipment, laundry, and kitchen equipment.
Reference Guide for Building Design and Construction v4 Pages 256-3171 LEED v4: Building Design + Construction Guide - U.S. Green Building Council2
Which of the following is a leadership extraction practice that rewards projects for choosing materials with closed-loop recycling and take-back programs in LEED?
. Extended producer responsibilityExtended producer responsibility is a leadership extraction practice that encourages manufacturers to take back their products or packaging at the end of their useful life and recycle them in a closed- loop system. This reduces the environmental impacts of extraction, transportation, and disposal of raw materials. LEED rewards projects for choosing materials that have extended producer responsibility programs or policies in place.
Reference Guide for Building Design and Construction v4 Pages 263-2641 LEED v4: Building Design + Construction Guide - U.S. Green Building Council2
Which strategy should be employed to improve daylighting when designing a new building?
Answer(s): B
. Increase the number of skylightsSkylights are openings in the roof or ceiling that allow natural light to enter the building. They can improve daylighting by providing more uniform and diffuse illumination, reducing the need for artificial lighting, and enhancing the visual comfort and well-being of occupants. Skylights can also reduce cooling loads by minimizing solar heat gain through the roof. However, skylights must be designed carefully to avoid glare, overheating, and heat loss issues.
Reference Guide for Building Design and Construction v4 Pages 279-2801 Daylighting | WBDG - Whole Building Design Guide1
What are the requirements of commercial projects for long-term bicycle storage under Location and Transportation, Bicycle Facilities - Bicycle Storage and Shower Rooms?
The correct answer is B. Provide for at least 10% of all regular building occupants, with no less than five storage spaces per building.According to the LEED v4.1 Bicycle Storage Requirements1, commercial projects must provide long- term bicycle storage for at least 10% of all regular building occupants, with no less than five storage spaces per building. Long-term bicycle storage is defined as secure, enclosed, and weather-protected spaces that are intended for use by occupants who make regular trips to the project building. Examples of long-term bicycle storage include lockers, cages, rooms, or dedicated areas within buildings. The purpose of this requirement is to encourage the use of bicycles as a sustainable mode of transportation and reduce greenhouse gas emissions and fossil fuel consumption.
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