Where must a building's no-smoking signage be posted?
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) limit and communicate the no-smoking policy to occupants.
When measuring sound pressure levels in a classroom to determine compliance with the HVAC background noise requirements of LEED Building Design and Construction: Schools, Indoor Environmental Quality Prerequisite, Minimum Acoustic Performance, what testing conditions are appropriate for the classroom?
To meet the Indoor Environmental Quality (IEQ) Prerequisite: Minimum Acoustic Performance for classrooms, sound pressure level measurements should be taken under conditions that reflect typical classroom use without occupants, ensuring accuracy in assessing HVAC background noise levels. Furnished, no occupants, HVAC operating at typical level (C) is the correct testing setup, as it accounts for sound absorption by furniture but excludes ambient noise from people. This setup provides a more accurate measure of the background noise levels produced by HVAC systems, ensuring compliance with acoustic performance requirements for optimal learning environments.
Which of the following methods is the referenced standard for demonstrating compliance with Indoor Environmental Quality Prerequisite, Minimum Indoor Air Quality Performance?
The referenced standard for Indoor Environmental Quality (IEQ) Prerequisite: Minimum Indoor Air Quality (IAQ) Performance in LEED AP ID+C projects is ASHRAE 62.1 - 2010. ASHRAE 62.1 specifies ventilation rates and air quality requirements for acceptable indoor air quality in commercial buildings, establishing the minimum standards needed to maintain health and comfort. ASHRAE 62.2 (A) is relevant to low-rise residential buildings, ASHRAE 90.1 (B) covers energy standards, and ASHRAE 55 (C) relates to thermal comfort rather than air quality.
A project team develops a site plan for a school project with an athletic field and a playground with real grass. In order to qualify for the Water Efficiency Prerequisite, Outdoor Water Use Reduction, the landscape area calculations:
For the Water Efficiency (WE) Prerequisite: Outdoor Water Use Reduction, athletic fields and playgrounds are considered special landscape areas and can be optionally included in landscape area calculations. This flexibility (D) allows teams to decide based on the unique water needs of these areas, as athletic fields often require extensive watering for maintenance. LEED recognizes these areas' high water demand and provides an exception, acknowledging the potential challenges in reducing water for such intensive-use spaces.
Smoking is prohibited inside LEED-certified buildings in order to eliminate the health risks associated with environmental tobacco smoke. Which building type is exempt from this requirement?
In LEED-certified projects, residential buildings (D) are the exception to the rule prohibiting smoking inside buildings. For residential projects, the standard is modified to require designated smoking areas with special ventilation or separation rather than a complete ban, as smoking regulations in residential settings often involve tenant rights and are treated differently than commercial or institutional buildings. LEED requires that precautions be taken to control environmental tobacco smoke migration in multifamily residential projects to protect air quality in common areas.
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