IIBEC International Institute of Building Enclosure Consultants

By Ray Wetherholt, F-IIBEC, RBEC, PE

This article is from the February 2021 issue of IIBEC Interface. Read along and view images on our website at:

https://iibec.org/experience-music-waterproofing/

by Alexis Brackney, AIA, SE

View the full text, including figures and charts, on our website at: https://iibec.org/exposed-concrete-facades/

References

“History of Unity Temple.” www.utrf.org. Unity Temple Restoration Foundation. Accessed October 15, 2020. https://www.utrf.org/history/.
“Historic Netsch Campus at UIC.” www.uicarchives.library.uic.edu. Discover UIC. 2008. Accessed October 15, 2020. https://uicarchives.library.uic.edu/historic-netsch-campus/#:~:text=Welcome%20to%20the%20historic%20Netsch%20campus%20at%20UIC.,Merrill%20designed%20the%20campus%20between%201963%20and%201968.
“Types and Causes of Concrete Deterioration.” Portland Cement Association. 2002. p. 1.
Building Code Requirements for Structural Concrete (ACI 318-11). Michigan. American Concrete Institute. 2011. pp. 93-94.

By Stephen Patterson, RRC, PE; and Madan Mehta, PE, PhD

This article is from the September 2020 issue of IIBEC Interface. Read along and view images on our website at: 

https://iibec.org/asce-7-standard-low-slope-roof/



References:


American Society of Civil Engineers and Structural Engineering Institute (ASCE/SEI) Standard 7, Minimum Design Loads and Associated Criteria for Buildings and Other Structures. 2016. p. 65.
International Code Council. International Building Code. 2018. p. 353.
Ibid. p. 392.
American National Standards Institute (ANSI) American Institute of Steel Construction (AISC), ANSI/AISC 360-16, Specifications for Structural Steel Buildings. 2016. p. 16.1-192.
Steel Joist Institute (SJI). Structural Design of Steel Joist Roofs to Resist Ponding Loads. 2018.
American Society of Civil Engineers and Structural Engineering Institute (ASCE/SEI) Standard 7, Minimum Design Loads and Associated Criteria for Buildings and Other Structures. 2016. p. 512 (commentary).
Ibid. p. 507.
Stephen Patterson and Madan Mehta. “Roof Drainage Design, Roof Collapses, and the Codes.” Proceedings of the 33rd RCI International Convention and Trade Show. 2018. pp. 123–31.

By Jim Leslie and Kevin Smith

Graphs and photos are available here: https://iibec.org/acoustics-with-kinetic-facades/

Learn more about the IIBEC Interface technical journal, and subscribe here: https://iibec.org/hub/interface/. One price includes the print and digital editions!

References

The Los Angeles ordinance states: “Sound Level Meter” is an instrument including a microphone, an amplifier, an output meter, and “A” frequency weighting network for the measurement of sound levels which satisfies the pertinent requirements for Type S2A meters in American Standard Specifications for sound level meters in S1.4-1971 or the most recent revision thereof. (Amended by Ord. No. 156,363, Eff. 3/29/82.)
Environmental Protection Agency Office of Noise Abatement and Control. Information on Levels of Environmental Noise Requisite to Protect Public Health and Welfare With an Adequate Margin of Safety. 550/9-74-004. March 1974. https://nepis.epa.gov/Exe/ZyPDF.cgi/2000L3LN.PDF?Dockey=2000L3LN.PDF
Centers for Disease Control and Prevention. “What Noises Cause Hearing Loss?” Oct. 7, 2019. https://www.cdc.gov/nceh/hearing_loss/what_noises_cause_hearing_loss.html
United States Department of Labor Occupational Safety and Health Administration. 1910.95 – Occupational Noise Exposure. Part 1910 Subpart G. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.95
National Institute for Occupational Safety and Health. “Noise and Hearing Loss Prevention Guidance and Regulations” “Occupational Noise Exposure.” 1998. https://www.cdc.gov/niosh/topics/noise/reducenoiseexposure/regsguidance.html and https://www.cdc.gov/niosh/docs/98-126/pdfs/98-126.pdf?id=10.26616/NIOSHPUB98126
National Institute on Deafness and Other Communication Disorders. “Noise-Induced Hearing Loss.” Updated March 2014. https://www.nidcd.nih.gov/health/noise-induced-hearing-loss
Ibid.
Hearing Health Foundation. “Hearing Loss & Tinnitus Statistics.” Accessed June 30, 2020. https://hearinghealthfoundation.org/hearing-loss-tinnitus statistics. See also: World Health Organization. “Deafness and Hearing Loss.” March 1, 2020. https://www.who.int/news-room/fact-sheets/detail/deafness-and-hearing-loss
The study did not evaluate noise at higher wind speeds. Higher sound levels may be expected, dependent on material selection and detailing; however, as wind speed increases, so does the surrounding ambient noise, which can mask that produced by the kinetic façade.

By Raymond Wetherholt, F-IIBEC, RBEC, PE; and Johnathan Bain, PEng

This article is from the July, 2020 issue of IIBEC Interface. Read along and view images on our website: https://iibec.org/pandemic-makes-virtual-endemic/

By Melinda Sokoloski

This article is from the June, 2020 issue of IIBEC Interface. Read along and view images on our website: https://iibec.org/change-is-still-up-in-the-air

Sources:


Anafi Thermal. (April 9, 2019). Parrot Store Official. https://www.parrot.com/us/drones/anafi-thermal
“Autonomous and Unmanned Systems.” Lockheed Martin. Retrieved March 30, 2020, from https://www.lockheedmartin.com/en-us/capabilities/autonomous-unmanned-systems.html
B4ufly mobile app. https://www.faa.gov/uas/recreational_fliers/where_can_i_fly/b4ufly/
DJI. https://www.dji.com
FLIR Tools Thermal Analysis and Report-ing. flir systems. (n.d.). Retrieved March 30, 2020, from https://www.flir.com/products/flir-tools/
Kespry. “Industrial Drones; Drone Software & Analytics.” Retrieved March 30, 2020, from https://www.kespry.com/
Kespry. “Industrial Drones for Mining; Aerial Mining solutions.” Retrieved March 30, 2020, from https://www.kespry.com/mining/
MS Aerial. “Standardization and Best Practices in Drone Imagery.” Retrieved March 30, 2020, from http://www.msaerial.com/
Peak Campus. “Student Housing Management.” Retrieved March 30, 2020, from http://www.peakcampus.com/
Richard Keleher. Thompson & Lichtner, Inc. Retrieved March 30, 2020, from https://www.thompsonlichtner.com/
William Waterston. “Drones: A New Tool.” Proceedings of RCI, Inc. Building Envelope Symposium. November 2015. https://iibec.org/wp-content/uploads/2015-bes-waterston.pdf