09_-_Chapter_10_-_Indoor_Environmental_Quality1

09_-_Chapter_10_-_Indoor_Environmental_Quality1 - Brother...

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Indoor Environmental Quality (IEQ) – Chapter 10 Brother Burr
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Interesting Facts Direct medical cost of IAQ problems in America is $140 Billion. People spend 90% of their time indoors. (Kibert, p. 277, 278)
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Green Building & IEQ The high-performance green building movement has taken ownership of IEQ when it comes to new buildings, so it is expected that a green building will have excellent IEQ. (Kibert, p. 277) Alberici Construction, Headquarters, LEED Platinum
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IEQ Issues Sick Building Syndrome: Described as an assortment of symptoms experienced by a majority of building occupants for which no specific cause can be identified. Symptoms disappear almost immediately on leaving the building Responsible for decreases in productivity and increases in absenteeism. Building-Related Illness: refers to symptoms of a diagnosable illness that can be attributed directly to a defined IAQ problem. (Kibert, p. 278)
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Indoor Environmental Factors Sound Lighting Thermal Condition Odors Harmful chemicals Biological contaminants (Kibert, p. 280)
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Sound/Noise Transmission Sound/Noise Transmission: Noise from air-handling systems, lights, transformers, etc. Solutions: Hire acoustic engineer. (Kibert, p. 281,282)
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Pink Noise Rio Tinto Example Uses pink noise in their office to cancel out conversations and other sounds. Click the icon to hear an example. Pink noise is like white noise, but the higher frequencies have been cut out. Rio Tinto, Daybreak Development Headquarters, LEED Platinum
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(Kibert, p. 282,283) Natural sunlight is the most comfortable, effective light source. White sunlight is most comfortable to the eye. One of the key comforts of daylight is how it varies in color and intensity. Increased daylighting leads
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09_-_Chapter_10_-_Indoor_Environmental_Quality1 - Brother...

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