QUESTION: 1

Which of the following buildings meets the Minimum Program Requirements for LEED certification?

A 1,500 ft2 (139 m2) Tourism Center located on a previously undeveloped one-acre site
A 20,000 ft2 (1 859 m2) Transit Parking Garage located on a previously developed five-acre site
A 2,500 ft2 (232 m2) mobile Health Clinic located on a previously constructed above-water dock
A 5,000 ft2 (465 m2) Science Education center on an above-water pier that is being built specifically for the Education center

Answer(s): D

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.

Reference:

LEED minimum program requirements
Minimum Program Requirements (MPRs)
What do the LEED Minimum Program Requirements Really Mean?

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QUESTION: 2

Which of the following would be most useful to a school project that is attempting to pursue Water Efficiency Credit, Indoor Water Use Reduction?

A standard garbage disposal
Electronic submeter at the domestic water supply pipe to the building
An open-loop HVAC system that discharges potable cooling water to a nearby lake
Commercial dishwasher that is ENERGY STAR® labeled or performance equivalent

Answer(s): D

Explanation:

The Water Efficiency Credit, Indoor Water Use Reduction aims to reduce indoor water consumption by installing water-efficient fixtures and fittings, such as faucets, showerheads, toilets, and urinals. A commercial dishwasher that is ENERGY STAR® labeled or performance equivalent would help reduce the water use for dishwashing, which is one of the process water uses included in the credit calculation. A standard garbage disposal would not reduce water use, but rather increase it. An electronic submeter at the domestic water supply pipe to the building would help measure and monitor water use, but not directly reduce it. An open-loop HVAC system that discharges potable cooling water to a nearby lake would waste a lot of water and potentially harm the environment.

Reference:

Indoor Water Use Reduction
"Maximizing Water Efficiency in Commercial Buildings: Understanding LEED BD+C Water Efficiency Credits"

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QUESTION: 3

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?

60%
75%
90%
100%

Answer(s): B

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 generated. Diverted materials are those that are reused, recycled, salvaged, or donated. 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 material. Therefore, the percentage of diverted waste after adjustment is:
(81 - 10) = 71%
The closest answer option to this value is B. 75%.

Reference:

Construction and Demolition Waste Management
Construction Waste Management
Construction and Demolition Waste Management - Canada Green Building Council

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QUESTION: 4

A LEED Building Design and Construction project includes an outdoor stage for theatrical performances. In pursuit of Sustainable Sites Credit, Light Pollution Reduction the engineer has specified an LED fixture to illuminate actors on the stage while limiting light pollution.
Which of the following suggestions should the LEED AP give to the project owner?

Modify the design to enclose the performance areas
Calculate the return on investment over the 20-year life of the project
Compare the energy consumption against an alternative
Inform the owner that the LED fixture is exempt from Sustainable Sites Credit, Light Pollution Reduction

Answer(s): D

Explanation:

The Sustainable Sites Credit, Light Pollution Reduction aims to minimize the adverse effects of artificial lighting on the night sky, human health, and wildlife. However, the credit does not apply to lighting that is required for safety, security, or emergency purposes. According to the LEED Reference Guide for Building Design and Construction, lighting for theatrical performances is considered an emergency purpose and is exempt from the credit requirements. Therefore, the LEED AP should inform the owner that the LED fixture is exempt from Sustainable Sites Credit, Light Pollution Reduction and does not need to be modified or compared to an alternative. Enclosing the performance areas would not reduce light pollution, but rather increase energy consumption and affect the outdoor experience. Calculating the return on investment over the 20-year life of the project is irrelevant to the credit and would not help achieve it.

Reference:

Light Pollution Reduction
Light Pollution Reduction: Sustainable Site Credit for LEED Existing Building O+M [LEED Reference Guide for Building Design and Construction v4], page 581

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