“Heard melodies are sweet,
but those unheard are sweeter…”
John Keates (Ode on a Grecian Urn)
History of Western Civilization Told Through the Acoustics of its Worship Spaces
“Heard melodies are sweet,
but those unheard are sweeter…”
John Keates (Ode on a Grecian Urn)
History of Western Civilization Told Through the Acoustics of its Worship Spaces
University System of Maryland | $12.225B
University of Maryland Extension
The choice of red, white, and blue in national flags often carries historical, cultural, and political significance. Here are some reasons why various nations have chosen these colors:
The exact reasons can vary, but often the colors reflect a mix of historical alliances, cultural heritage, and political ideals.
From from time to time — particularly in the months of fairer weather, when many events are hosted outdoors — we break form from the grind of responding to c0nsultations to simply enjoy these spaces See our CALENDAR for our periodic Lively c0lloquia when we drill down into technical specifics.
California State University San Marcos
Clemson University
More coming
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Athletic Competition Timing Standards
Today we update our understanding of best practice catalogs for outdoor and indoor watersport; primarily swimming and rowing. Use the login credentials at the upper right of our home page.
Michael Phelps Named No. 1 Athlete of Century By ESPN – https://t.co/ABuAyuQJBy pic.twitter.com/0swFlxT6ei
— Swimming World (@SwimmingWorld) July 18, 2024
USA Swimming and the National Collegiate Athletic Association Swimming are two distinct organizations that oversee different aspects of competitive swimming in the United States. USA Swimming governs competitive swimming in the United States across all age groups and skill levels, while NCAA Swimming specifically focuses on collegiate-level swimming and diving competitions within the NCAA framework. Both organizations play crucial roles in the development and promotion of swimming in the United States.
Governing Body:
USA Swimming is the national governing body for the sport of swimming in the United States. It is responsible for overseeing competitive swimming at all levels, from grassroots programs to elite national and international competitions.
NCAA Swimming: NCAA Swimming is part of the National Collegiate Athletic Association (NCAA), which governs intercollegiate sports in the United States. NCAA Swimming specifically deals with collegiate-level swimming competitions among universities and colleges.
Scope:
USA Swimming is responsible for organizing and regulating competitive swimming for all age groups and skill levels, from youth swimmers to Masters swimmers (adults). It oversees swim clubs, hosts competitions, and develops national teams for international events.
NCAA Swimming: NCAA Swimming focuses exclusively on college-level swimming and diving competitions. It sets the rules and guidelines for swimming and diving programs at NCAA member institutions.
Membership:
Individuals, swim clubs, and teams can become members of USA Swimming, allowing them to participate in USA Swimming-sanctioned events, access coaching resources, and benefit from the organization’s development programs.
NCAA Swimming: NCAA Swimming is composed of collegiate athletes who compete for their respective universities and colleges. Athletes are typically student-athletes who represent their schools in NCAA-sanctioned competitions.
Competition Format:
USA Swimming hosts a wide range of competitions, including local, regional, and national meets, as well as Olympic Trials and international events. Swimmers compete as individuals, representing their swim clubs or teams.
NCAA Swimming: NCAA Swimming primarily consists of dual meets, invitational meets, and conference championships at the collegiate level. Swimmers represent their respective universities or colleges, earning points for their teams in dual meets and competing for conference and national titles.
Scholarships:
USA Swimming itself does not offer scholarships. Scholarships for competitive swimmers are typically awarded by colleges and universities based on an athlete’s performance and potential.
NCAA Swimming: NCAA member institutions offer scholarships to talented student-athletes in various sports, including swimming. These scholarships can cover tuition, room, board, and other expenses, making NCAA swimming an avenue for athletes to receive financial support for their education.
Turning our pool deck into a GYM 🤙🏋️♀️ pic.twitter.com/vfilShA8Ef
— Bobby Guntoro (@bobbygunt) September 25, 2023
Your call 📱 pic.twitter.com/4ubIUklHCi
— uncwswimdive (@uncwswimdive) July 9, 2024
The moment a father consoles daughter after missing out on olympics medal
pic.twitter.com/kSHd4AIH4Z— Science girl (@gunsnrosesgirl3) August 8, 2024
2026 National Electrical Code Workspace
Education communities have significant assets tied up in swimming pools, immersion pools, fountains, hydro-therapy installations (in hospitals and athletic training facilities) and flood control facilities (in congested, non-permeable parts of urban campuses) we have been keeping an eye on leading practice discovery for these installations in the 2020 National Electrical Code.
With electrical safety — i.e. shock protection — as the focus of this post*, the relevant parts of the 2020 NEC reside in Articles 680 and 682 are described below:
Article 680 applies to the construction and installation of electrical wiring for, and equipment in or adjacent all swimming, wading, therapeutic and decorative pools, fountains, hot tubs, spas and hydromassage bathtubs, whether permanently installed or storable, and to metallic auxiliary equipment, such as pumps, filters, and similar equipment. The term body of water used throughout Part I applies to all bodies of water covered in this scope unless otherwise amended.
Article 682 applies to the installation of electrical wiring for, and the equipment in and adjacent to, natural or artificially made bodies of water not covered by other articles in the NEC, such as, but not limited to aeration ponds, fish farm ponds, storm retention basins, treatment ponds and irrigation (channel facilities. Water depths may vary seasonally or be controlled.
When the 2020 NEC is released there will be hundreds (more like thousands) of experts who make their living on each NEC revision fanning out across the globe able and ready to interpret, advise and train. We are not primarily a code training enterprise but we do get down into the weeds of electrical safety technical discussion where leading practice discovery discussion is recorded:
2020 NEC Article 680-682 Public Input | Pages 240 – 501
2020 NEC Articles 680-682 First Draft Report | Page 59 – 152
2020 NEC Articles 680-682 Public Comment Report
2020 NEC Articles 680-682 Second Draft Final Ballot
Transcripts superseded. We refer to the 2026 Workspace linked at the top of this page.
We find interest in corrosion control, water bottle fill stations, water heating technologies, LED illumination as well as the usual editorial, correlation and concepts movement between articles. From these transcripts it should also be plain that grounding and bonding practice, GFCI protection, luminaire location and wiring, corrosion management continue to be of primary interest in electrical safety assurance. Related safety concepts appear in NFPA 70B and NFPA 70E. Anything having to do with water; or the areas around water, are regions of elevated risk.
We are happy to discuss electrical safety standards any day at 11 AM Eastern time and host a monthly breakout teleconference dedicated to Electrical Power Safety in education facilities. See our CALENDAR for the next online meeting. We also collaborate closely with the IEEE Education & Healthcare Facilities Committee which meets online four times monthly in European and American time zones.
Issue: [16-102]
Category: Electrical, Risk Management, Water,
Colleagues: Mike Anthony, Jim Harvey, Kane Howard
*We leave the technical specifics of footcandle distribution to another, future post.
LEARN MORE:
2017 NEC changes for electrical safety in swimming pools
2020 NEC Changes (All Articles)
Today at 15:00 UTC we will review the latest in best practice literature for air conditioning systems. Note that we have broken out this topic from the standing Mechanical colloquia. Our approach features interoperability and system considerations. Catalogs on the agenda:
ACCA
Air-Conditioning, Heating, and Refrigeration Institute
ASHRAE International
Standard 90.1-2022—Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings
Standard 90.4 Energy Standard for Data Centers
Acceptable Performance Standard for District Cooling Systems
ASME
Heating, Ventilating and Air-Conditioning Systems
European Standards
EN 14511 Specifies the requirements for air conditioners, liquid chilling packages, and heat pumps with electrically driven compressors.
IEEE
International Code Council
International Building Code Interior Environment & HVAC Systems
International Mechanical Code Chapter 11 Refrigeration
NFPA
National Electrical Code Article 430: Motors, Motor Circuits and Motor Controllers
Standard for the Installation of Air-Conditioning and Ventilating Systems
Underwriters Laboratories (largely product standards, not embedded system nor interoperability titles)
Uptime Institute
Implementing Data Center Cooling Best Practices
Use the login credentials at the upper right of our home page
University of Rochester Central Utilities Plant Absorption Chiller
Issues: [11-67, 15-124, 15-135, 15-165]
Category: Energy, Mechanical
Colleagues: Mike Anthony, Larry Spielvogel, Richard Robben
New update alert! The 2022 update to the Trademark Assignment Dataset is now available online. Find 1.29 million trademark assignments, involving 2.28 million unique trademark properties issued by the USPTO between March 1952 and January 2023: https://t.co/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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