Summer Olympics
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Carillons
Iowa State University
“Postcard from Campus: Carillon Concert”@IowaStateUhttps://t.co/bSSO3LggR4 pic.twitter.com/RAWeBFEuds— Standards Michigan (@StandardsMich) September 15, 2023
Beaumont Tower Carillon Performance
Michigan State University@michiganstateu
print(“Lunch Hour 1600 UTC”)\n weekday(2)https://t.co/tQJ3E0XWtv pic.twitter.com/3MChsvOWxo— Standards Michigan (@StandardsMich) October 18, 2023
Brigham Young University Centennial Carillon@BYUhttps://t.co/UK2KOQT6Rd pic.twitter.com/jqeblP8w7K
— Standards Michigan (@StandardsMich) June 12, 2021
Medical Practice Electrical equipment
“The Agnew Clinic” | Thomas Eakins (1889)
International Electrotechnical Commission Technical Committee TC 62 prepares international standards and other publications concerning electrical equipment, electrical systems and software used in healthcare and their effects on patients, operators, other persons and the environment. As such the work of this parent committee — which has broad implications for comparatively cash-rich multi-national medical equipment manufacturers — coordinates the work of several subcommittees; listed below:
62A Common aspects of medical equipment, software and systems
62B Medical imaging equipment, software and systems
62C Equipment for radiotherapy, nuclear medicine and radiation dosimetry
62D Particular medical equipment, software and systems
Germany is Global the Secretariat. The Business Plan is linked below:
IEC TC 62 Strategic Business Plan 2021 February
The U.S National Committee of the International Electrotechnical Commission serves as the focal point for U.S parties who are interested in the development, promulgation, and use of globally relevant standards for the electrotechnical industry. The USNC is also engaged in the assessment of conformance to standards, undertaking work in areas such as testing, certification, and accreditation. Tony Zertuche is ANSI’s point person (zertuche@ansi.org) and we encourage you to communicate directly with Tony for the most up-to-date information.
We coordinate our response to the development of IEC titles in this domain with the IEEE Education & Healthcare Facilities Committee which meets 4 times monthly in European and American time zones. When there are Committee Draft for Votes released for public consultation (CDV) we coordinate our responses with experts active in IEEE globally.
Since the scope of this committee’s work involves products (in the main) we rank it in the middle of our priority tier. Our primary interest lies with interoperability standards, all the while recognizing that there is very little difference in the way education communities respond to IEC standard proposals than the way all other stakeholders would respond. At the risk of understatement medical research and clinical healthcare delivery are a large part of the revenue of many university systems so that is why we track these titles and others.
We maintain work flow of this committee on our Health, Electrical and Nursing colloquia. See our CALENDAR for the next online meeting; open to everyone.
International Electrotechnical Commission | CDV Consultations
23 November 2021
Earlier this year one of the subcommittees of International Electrotechnical Commission Technical Committee 62 (IEC TC/62) released a redline (candidate revision) for public consultation:
IEC 63120 ED1: Refurbishment of medical electrical equipment, medical electrical systems and sub-assemblies and reuse of components as part of the extended life-cycle.
We found similar concepts running through the literature among United States consensus product developers; notably the IEEE, NFPA and NEMA. Re-use, reconditioning, recycling of electrical equipment is a priority that can contribute to the safety and sustainability agenda of healthcare enterprises in education communities so we follow it; vigilant for excessive market-making by incumbent verticals.
The comment period lapsed on March 27th but we will likely see more action in the technical committees receiving proposals from vertical incumbents making markets in medical equipment replacement parts. We track development of this and other IEC titles on our provisional workspace*:
Collaborative Workspace for IEC Consensus Products
University affiliated medical research and healthcare delivery enterprises are large stakeholders in this domain so we keep pace by collaborating with other experts affiliated with the IEEE Education & Healthcare Facilities Committee (E&H) and the IEEE Engineering in Medicine & Biology Society.
We encourage our colleagues working in university-affiliated healthcare enterprises to interact directly with the IEC by setting up a Commenting Account to access the redline linked below:
Common aspects of electrical equipment used in medical practice equipment
It is our custom to follow the lead of the the US National Committee to the International Electrotechnical Commission (USNA/IEC) primarily, though we have significant professional relationships with academic scholars in other nations through the IEEE Standards Association and the E&H Committee. We are happy to discuss any consensus product, any day at 11 AM Eastern time, however the expertise for responding to invitations for public comment like this is usually present during the E&H Committee meetings which take place four times monthly in European and American time zones.
Issue: [11-66]
Category: Electrical, Healthcare Facilities, International
Colleagues: Mike Anthony, Jim Harvey, Giuseppe Parise, Luigi Parise, Massimo Mitolo
*This is a carry-over workspace from the original University of Michigan facility standards enterprise — @StandardsUMich — and has been re-purposed for educational use and collaboration with the IEEE E&H Committee and the IEEE Engineering in Medical and Biology Society
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Robie House
“The mother art is architecture. Without an architecture of our own,
we have no soul of our own civilization.”
University of Chicago Architectural Studies
The Robie House is maintained and operated by the Frank Lloyd Wright Trust, a nonprofit organization dedicated to preserving the works of Frank Lloyd Wright. The trust focuses on the restoration, preservation, and education related to Wright’s architectural legacy. The Robie House, located in the Hyde Park neighborhood of Chicago, is one of the trust’s key properties.
Building codes for houses and museums may have some similarities but also key differences due to the distinct functions and occupancy types. Building codes are typically established to ensure the safety, health, and general welfare of the occupants and the public. While some requirements may be consistent, the specific regulations can vary based on the use and characteristics of the building. Here are some general considerations for how building codes might differ between houses and museums:
- Occupancy Type: The primary factor that influences building codes is the occupancy type. Residential houses are generally classified as Group R (Residential), while museums might fall under Group A (Assembly) or Group B (Business). Each occupancy group has specific requirements related to fire safety, egress, accessibility, and structural integrity.
- Fire Safety: Museums often house valuable artifacts, and fire safety is a critical concern. Museums may have more stringent fire protection measures, such as fire suppression systems, fire-resistant construction materials, and specialized storage requirements for certain materials. Residential homes also have fire safety requirements but may not have the same level of protection as cultural institutions.
- Accessibility: Museums, as public buildings, are usually subject to more stringent accessibility requirements to ensure that people with disabilities can navigate the space. This includes features like ramps, elevators, and accessible restrooms. Residential buildings have accessibility requirements as well, but they are typically less extensive compared to public spaces.
- Structural Requirements: Museums may have specialized structural requirements to support the weight of exhibits, particularly for large and heavy artifacts. Residential homes, while still subject to structural codes, may not have the same load-bearing considerations unless they incorporate unique features like extensive libraries or art collections.
- Zoning and Land Use: The location and zoning regulations can also impact both houses and museums differently. Museums might be subject to additional zoning requirements related to cultural institutions, parking, and public access.
- Energy Efficiency: Both residential and commercial buildings are subject to energy efficiency codes, but the specific requirements may differ. Commercial buildings, including museums, might have more extensive requirements for HVAC systems, lighting, and insulation.
International Residential Code
“We Plough the Fields, and Scatter”
The hymn is based on a German poem titled “Wir pflügen und wir streuen,” which was written by Matthias Claudius (1740-1815), a German poet and journalist. The poem first appeared in 1782 as part of a larger work, “Paul Erdmann’s Fest,” which was a fictional account of a harvest festival.
IBC Section 1207 | Classroom Acoustics
Chapter 12 of the 2021 International Building Code provides minimum provisions for the interior of building–the occupied environment. Ventilation, lighting and space heating are directly regulated in this chapter and in conjunction with the International Mechanical Code and the International Energy Conservation Code. Minimum room size and maximum root–to-room sound transmission are set for certain occupancies.
Chapter 12 Interior Environment
Section 1207 asserts a requirement for “Enhanced Classroom Acoustics” that recognizes occupants with special needs for all classrooms with a volume larger than 20,000 cubic feet or less, articulated in Section 808 of 2017 ICC A117.1, the latest version. Widespread use of personal hearing appliances — headphones — have complicated best practice in this domain.
20 February 2018
One noteworthy proposal for enhanced classroom acoustics — for classrooms with a volume larger than 20,000 cubic feet — appears on Pages 13-14 of the document linked below:
Classroom Acoustics BCAC General 5 – IBC A117.1 Coordination 11-20-1027 File 17-229
While this proposal is largely a correlation proposal to harmonize IBC Chapter 12 concepts with concepts already present in IBC A117.1 it does set up a new section to lock in the correlation with ICC A117.1 Section 808. It has been on the agenda of breakout committees of International Code Council (ICC) ahead of its Group A Committee Action Hearings April 15 to 25, 2018 in Columbus, Ohio.
Standards Michigan encourages user-interest subject matter experts in the education industry to participate in the ICC Committee Action Hearings. Other inquiries may be directed to Ed Wirtshorek (ewirtschoreck@iccsafe.org). We keep the ICC suite of standards as a standing item on our weekly Open Door teleconferences that are open to the public.
Issue 17-229
Category: Architectural, Accessibility
Classroom Acoustics
“Quiet people have the loudest minds.”
— Stephen Hawking
Donegan Acoustics
With acoustic considerations a substantial contributor to the effectiveness of learning spaces — classrooms, lecture hall, performance arts and athletic venues, etc. — we follow action in the Acoustical Society of America (ASA) suite of ANSI-accredited standards.
For example, building codes in the United States identify horizontal and vertical acoustic insulation between floors and between walls, respectively, as design considerations. Section 1206.2 of the International Building Code deal with horizontal and vertical wall sealant applications for “airborne sound” mitigation, for example. Fire protection and mass notification systems identified in NFPA 72 and UL 2572 depend upon alarms actually being heard by the occupants underscore the importance of acoustic design. When lively art spaces are also instructional spaces we seek to understand the standard of care for acoustic design of classroom spaces. Of particular interest to us in the ASA bibliography is the title linked below:
This is a fairly stable standard; though other sound related technologies we cover in other sound related technologies (ISO TC/43 Acoustics and IEC Electroacoustics TC 29). Last year’s update was required by ANSI and we had no comments to submit; absent queries from students, faculty and staff. It is wise to keep it on our radar, however, given the step-change in education communities owed to the pandemic.
On your own you may communicate with Caryn Mennigke at ASA: (631) 390-0215, asastds@acousticalsociety.org. The ASA uses ANSI Standards Action for issuing live public consultation notices.
Since acoustic technologies cut across many disciplines we maintain it on the standing agenda of our Construction, Lively Art and Nota Bene teleconferences. See our CALENDAR next scheduled meeting; open to everyone.
Issue: [19-140]
Category: Academics, Architectural, #SmartCampus
Colleagues: Mike Anthony, Kristen Murphy
LEARN MORE:
Room acoustic design, measurement, and simulation techniques to reduce hospital noises within patients’ environment | Mojtaba Navvab, University of Michigan
Acoustical/Performance Criteria, Design Requirements, and Guidelines for Schools International Code Council
Study on the Relationship Between Speech Intelligibility and Quality Estimates in University Classrooms
Abstract: In this paper, correlation coefficients between the five objective estimates of speech quality, on the one hand, and the Speech Transmission Index as speech intelligibility measure, on the other hand, were estimated. This comparison was performed using binaural room impulse responses corresponded to different points of the three university auditoriums of different sizes. Speech quality was assessed using intrusive speech quality measures: Segmental Signal-to-Noise Ratio, Logarithmic Spectral Distortion, Frequency-Weighted Segmental Signal-to-Noise Ratio, Bark Spectral Distortion, and Perceptual Evaluation of Speech Quality. The formation of signals distorted by reverberation was performed by convolving of pure signals with binaural room impulse responses of the premises. A high level of correlation (0.6-0.99) of Bark Spectral Distortion estimates with estimates of the Speech Transmission Index for rooms of different sizes was revealed. Correlation of estimates (0.65-0.98) of Frequency-Weighted Segmental Signal-to-Noise ratio with Speech Transmission Index estimates was observed for medium and large rooms. Significant correlation (0.96-0.99) of Perceptual Evaluation of Speech Quality with Speech Transmission Index estimates was observed only for large audiences. At the same time, estimates of the Segmental Signal-to-Noise Ratio and Logarithmic Spectral Distortion turned out to be practically uncorrelated with Speech Transmission Index estimates for all studied premises.
CLICK HERE to order complete paper
ACOUSTICAL DESIGN OF HVAC SYSTEMS
HVAC equipment for a building is one of the major sources of interior noise, and its effect on the acoustical environment is important. Further, noise from equipment located outdoors often propagates to the community. Therefore, mechanical equipment must be selected, and equipment spaces designed, with an emphasis on both the intended uses of the equipment and the goal of providing acceptable sound levels in occupied spaces of the building and in the surrounding community. Operation of HVAC equipment can also induce mechanical vibration
that propagates into occupied spaces through structureborne paths such as piping, ductwork, and mounts. Vibration can cause direct discomfort and also create secondary radiation of noise from vibrating walls, floors, piping, etc.
In this chapter, sound and noise are used interchangeably, although only unwanted sound is considered to be noise.
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Related ASHRAE titles:
- ASHRAE 55 – Thermal Environmental Conditions for Human Occupancy: While this standard primarily deals with thermal comfort, it also includes guidance on acceptable indoor noise levels in occupied spaces.
- ASHRAE 62.1 – Ventilation for Acceptable Indoor Air Quality: This standard includes requirements for noise levels associated with ventilation systems and their components.
- ASHRAE 68 – Methods of Testing to Determine the Sound Power of HVAC Equipment: This standard provides procedures for testing and measuring the sound power levels of various HVAC equipment.
- ASHRAE 130 – Methods of Testing Air-Cleaning Devices Used in General Ventilation for Removing Particulate Matter: Though focused on air-cleaning devices, this standard also addresses the sound performance of these devices.
- ASHRAE 174 – Sound Measurement and Characteristics of HVAC Equipment: This standard provides guidance on sound measurement techniques and performance criteria for HVAC equipment.
These standards aim to ensure that HVAC&R systems and equipment operate efficiently and provide a comfortable indoor environment while minimizing excessive noise levels and potential acoustic issues. They play a vital role in promoting occupant comfort and overall building performance in terms of noise control and sound quality.
Graduation Scholastic Aptitude Test
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— USPTO (@uspto) July 13, 2023
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