Standard stitch work – standards for men’s clothing sizes trace back to the Civil War, but no one even attempted to fix the sizes for women until almost a century later, when they called on NIST. #NYFW pic.twitter.com/dFQVGknU3w
— National Institute of Standards and Technology (@NIST) February 13, 2021
— Charles Louis de Secondat, Baron de La Brède et de Montesquieu
“Road to Versailles at Louveciennes” 1869 Camille Pissarro
Heat tracing is a process used to maintain or raise the temperature of pipes and vessels in order to prevent freezing, maintain process temperature, or ensure that products remain fluid and flow through the system properly.
Heat tracing works by using an electric heating cable or tape that is wrapped around the pipe or vessel, and then insulated to help retain the heat. The heating cable is connected to a power source and temperature control system that maintains the desired temperature by regulating the amount of heat output from the cable. Heat tracing is commonly used in industrial applications where temperature control is critical, such as in chemical plants, refineries, and oil and gas facilities.
There are several types of heat tracing, including electric heat tracing, steam tracing, and hot water tracing, each of which have their own unique advantages and disadvantages. The selection of the appropriate type of heat tracing depends on the specific application and the required temperature range, as well as factors such as cost, maintenance, and safety considerations.
Today we review the literature for snow and ice management (and enjoyment) produced by these standards-setting organizations:
Accredited Snow Contractors Association
American Society of Civil Engineers
American Society of Mechanical Engineers
ASTM International
Destructive Deep Freeze Strikes Cold and Hot Regions Alike
Institute of Electrical & Electronic Engineers
Electrical Heat Tracing: International Harmonization — Now and in the Future
International Code Council
International Building Code: Chapter 15 Roof Assemblies and Rooftop Structures
National Electrical Contractors Association
National Fire Protection Association
Winter is Coming: Is Your Facility Protected? (Holly Burgess, November 2022)
National Electrical Code: Articles 426-427
National Floor Safety Institute
Snow and Ice Management Association
Underwriters Laboratories
Manufacturers:
Chromalox Electrical Heat Tracing Systems Design Guide
It is a surprisingly large domain with market-makers in every dimension of safety and sustainability; all of whom are bound by state and federal regulations.
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There have been several recent innovations that have made it possible for construction activity to continue through cold winter months. Some of the most notable ones include:
Overall, these innovations have made it possible for construction crews to work through the winter months more comfortably and safely, which has helped to keep projects on schedule and minimize delays.
Electrical heat tracing: international harmonization-now and in the future
C. Sandberg
Tyco Thermal Controls
N.R. Rafferty – M. Kleinehanding – J.J. Hernandez
E.I. DuPont de Nemours & Company, Inc
Abstract: In the past, electrical heat tracing has been thought of as a minor addition to plant utilities. Today, it is recognized as a critical subsystem to be monitored and controlled. A marriage between process, mechanical, and electrical engineers must take place to ensure that optimum economic results are produced. The Internet, expert systems, and falling costs of instrumentation will all contribute to more reliable control systems and improved monitoring systems. There is a harmonization between Europe and North America that should facilitate design and installation using common components. The future holds many opportunities to optimize the design.
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Located in the Mechanical Engineering Building this clock has been keeping time for over 120 years and its ticking can be heard throughout the building. The clock was built by the Seth Thomas Clock Company and was installed in 1904.
The clock’s mechanism is powered by weights that are wound up manually twice a week. It has a pendulum that swings back and forth, keeping time with remarkable accuracy. The clock is also equipped with a chime that rings every quarter hour, as well as a striking mechanism that sounds the hours.
Over the years, the clock has undergone several renovations and restorations to keep it in good working order. In 2009, the clock was fitted with an electric motor to assist in winding the weights, but it still operates primarily through mechanical means.
Original Heavilon Hall clock installed in Gatewood Wing
“A Philosopher Lecturing on the Orrery” | Joseph Wright (1766)
Most nations follow the day/month/year format (07/01/19 for January 7, 2019, for example), but the United States adheres to its own format of month/day/year (1/7/19 or 1/7/2019). The potential for misinterpreting dates across national boundaries is the logic for ISO 8601:2019 – Data Elements And Interchange Formats – Information Interchange – Representation Of Dates And Times, the ISO format for dates represents year, month, and day from the largest unit to the smallest, most specific unit of time. The ISO date format is the date format used in SQL and is the default date setting on many computers.
ISO 8601-1:2019 Date And Time – Representations For Information Interchange – Part 1: Basic Rules
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More
How the ISO Date Format Tells Today
Date and time formats used in HTML
“The first and most distinguishing feature of civil society is the use of language.”
Adam Ferguson’s “An Essay on the History of Civil Society”
“Minerva Preserving to the World the Latin Grammar”
Standard Practice for Assessing Language Proficiency
Committee F43 on Language Services and Products
One of the easiest ways to persuade someone who disagrees with you is to change the subject without them knowing about it. Application of this method is found in the technical literature that informs safety and sustainability regulations at all levels of government. Change definitions; change the subject; outcome changed — hence our interest in spoken, written and computer languages.
Almost all technical standards begin with a list of definitions which, among domain experts, are frequently hard won.
From the project prospectus:
Purpose—This practice describes best practices for the development and use of language tests in the modalities of speaking, listening, reading, and writing for assessing ability in accordance with the Interagency Language Roundtable (ILR)2 scale. This practice focuses on testing language proficiency in use of language for communicative purposes.
Limitations—This practice is not intended to address testing and test development in the following specialized areas: Translation, Interpretation, Audio Translation, Transcription, other job-specific language performance tests, or Diagnostic Assessment. Tests developed under this practice should not be used to address any of the above excluded purposes (for example, diagnostics).
This title was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade Committee.
As of the date of this post we find no changes in the titles developed by this committee; nor do we see any notice of meetings; likely owed to the circumstances of the pandemic. Last Update: April 2020
Language lies at the foundation of all standards-setting so we maintain this title on the standing agenda of several of our daily colloquia. Its an “evergreen” topic that we can explore every day in every title in every catalog Feel free to click in to any of our daily colloquia; login credentials at the upper right of our home page.
More
Standards for the Modern Language Industry
American Council on the Teaching of Foreign Languages
Michigan State University: A Rhetorical History of the United States
CORRECTION: In the clip above, at the 5:11 mark, the caption should read: “He mobilized the English language”
„Jede Sprache ist eine schlechte Übersetzung“ – Franz Kafka
Go Blue!!!! Live look at some maize and blue on the Empire State Building right now: pic.twitter.com/iV61BVQhZP
— Drew Parks (@drewparks) January 9, 2024
Washington Post: The Year of Magical Thinking
This is going to look mighty nice at the University of Michigan 〽️. #GoBlue pic.twitter.com/DcB1jdodE7
— Santa Ono (@SantaJOno) January 9, 2024
Scenes from Ann Arbor. The video doesn’t do it justice. pic.twitter.com/e22RVmCQvA
— Aiden Wagner (@TheAidenWagner) January 9, 2024
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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