Metrology is the scientific discipline that deals with measurement, including both the theoretical and practical aspects of measurement. It is a broad field that encompasses many different areas, including length, mass, time, temperature, and electrical and optical measurements. The goal of metrology is to establish a system of measurement that is accurate, reliable, and consistent. This involves the development of standards and calibration methods that enable precise and traceable measurements to be made.
The International System of Units is the most widely used system of units today and is based on a set of seven base units, which are defined in terms of physical constants or other fundamental quantities. Another important aspect of metrology is the development and use of measurement instruments and techniques. These instruments and techniques must be designed to minimize errors and uncertainties in measurements, and they must be calibrated against recognized standards to ensure accuracy and traceability.
Metrology also involves the development of statistical methods for analyzing and interpreting measurement data. These methods are used to quantify the uncertainty associated with measurement results and to determine the reliability of those results.
Water is essential for sanitation and hygiene — and proper sanitation is essential for protecting water sources from contamination and ensuring access to safe drinking water. Access to safe water and sanitation is crucial for preventing the spread of waterborne diseases, which can be transmitted through contaminated water sources or poor sanitation practices. Lack of access to safe water and sanitation can lead to a range of health problems, including diarrheal diseases, cholera, typhoid, and hepatitis A.
On the other hand, poor sanitation practices, such as open defecation, can contaminate water sources, making them unsafe for drinking, bathing, or cooking. This contamination can lead to the spread of diseases and illness, particularly in developing countries where access to clean water and sanitation facilities may be limited.
We track the catalog of the following ANSI accredited standards developers that necessarily require mastery of building premise water systems:
American Society of Heating, Refrigerating and Air-Conditioning Engineers: ASHRAE develops standards related to heating, ventilation, air conditioning, refrigeration systems — and more recently, standards that claim jurisdiction over building sites.
American Society of Mechanical Engineers: ASME develops standards related to boilers, pressure vessels, and piping systems.
American Water Works Association: AWWA is a standards development organization that publishes a wide range of standards related to water supply, treatment, distribution, and storage.
ASTM International: ASTM develops and publishes voluntary consensus standards for various industries, including water-related standards. They cover topics such as water quality, water sampling, and water treatment.
National Fire Protection Association: NFPA develops fire safety standards, and some of their standards are related to water, such as those covering fire sprinkler systems and water supplies for firefighting within and outside buildings. We deal with the specific problems of sprinkler water system safety during our Prometheus colloquia.
National Sanitation Foundation International (NSF International): NSF International develops standards and conducts testing and certification for various products related to public health and safety, including standards for water treatment systems and products.
Underwriters Laboratories (UL): UL is a safety consulting and certification company that develops standards for various industries. They have standards related to water treatment systems, plumbing products, and fire protection systems.
‘Weird, totally unnecessary, and absurd’ — UVA students raise concerns over tampon dispensers in men’s restrooms
* The evolution of building interior water systems has undergone significant changes over time to meet the evolving needs of society. Initially, water systems were rudimentary, primarily consisting of manually operated pumps and gravity-fed distribution systems. Water was manually fetched from wells or nearby sources, and indoor plumbing was virtually nonexistent.
The Industrial Revolution brought advancements in plumbing technology. The introduction of pressurized water systems and cast-iron pipes allowed for the centralized distribution of water within buildings. Separate pipes for hot and cold water became common, enabling more convenient access to water for various purposes. Additionally, the development of flush toilets and sewage systems improved sanitation and hygiene standards.
In the mid-20th century, the advent of plastic pipes, such as PVC (polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride), revolutionized plumbing systems. These pipes offered durability, flexibility, and ease of installation, allowing for faster and more cost-effective construction.
The latter part of the 20th century witnessed a growing focus on water conservation and environmental sustainability. Low-flow fixtures, such as toilets, faucets, and showerheads, were introduced to reduce water consumption without compromising functionality. Greywater recycling systems emerged, allowing the reuse of water from sinks, showers, and laundry for non-potable purposes like irrigation.
With the advancement of digital technology, smart water systems have emerged in recent years. These systems integrate sensors, meters, and automated controls to monitor and manage water usage, detect leaks, and optimize water distribution within buildings. Smart technologies provide real-time data, enabling better water management, energy efficiency, and cost savings.
The future of building interior water systems is likely to focus on further improving efficiency, sustainability, and water quality. Innovations may include enhanced water purification techniques, decentralized water treatment systems, and increased integration of smart technologies to create more intelligent and sustainable water systems.
The first mover in building interior water supply systems can be traced back to the ancient civilizations of Mesopotamia, Egypt, and the Indus Valley. However, one of the earliest known examples of sophisticated indoor plumbing systems can be attributed to the ancient Romans.
The Romans were pioneers in constructing elaborate water supply and distribution networks within their cities. They developed aqueducts to transport water from distant sources to urban centers, allowing for a centralized water supply. The water was then distributed through a network of lead or clay pipes to public fountains, baths, and private residences.
One notable example of Roman plumbing ingenuity is the city of Pompeii, which was buried by the eruption of Mount Vesuvius in 79 AD. The excavation of Pompeii revealed a well-preserved plumbing system that included indoor plumbing in some houses. These systems featured piped water, private bathrooms with flushing toilets, and even hot and cold water systems.
The Romans also invented the concept of the cloaca maxima, an ancient sewer system that collected and transported wastewater away from the city to nearby bodies of water. This early recognition of the importance of sanitation and wastewater management was a significant advancement in public health.
While the Romans were not the only ancient civilization to develop indoor plumbing systems, their engineering prowess and widespread implementation of water supply and sanitation infrastructure make them a key player in the history of building interior water systems.
“Le Lac Léman ou Près d’Evian au lac de Genève” 1883 François BocionISO and IEC Joint Technical Committee 1 is the work center for international information and communications technology (ICT) standards that are relevant to education communities. In accordance with ISO/IEC JTC 1 and the ISO and IEC Councils, some International Standards and other deliverables are made freely available for standardization purposes.
We at least follow action, and sometimes contribute data and user-interest perspective, to the development of standards produced by several ANSI-accredited ICT standard developing organizations — ATIS, BICSI, IEEE, INCITS, TIA among them. US-based organizations may communicate directly with Lisa Rajchel, ANSI’s ISO/IEC JTC 1 Senior Director for this project: lrajchel@ansi.org. Our colleagues at other educational organizations should contact their national standards body.
We scan the status of Infotech and Cloud standards periodically and collaborate with a number of IEEE Societies. See our CALENDAR for the next online meeting; open to everyone.
Here are some of the ways in which government regulations impede economic growth:
Increased costs: Regulations can impose additional costs on businesses, which can affect their ability to operate efficiently and compete in the marketplace. For example, regulations can require businesses to invest in new technologies or processes to comply with environmental or safety standards, which can increase their expenses.
Reduced innovation: Some people believe that regulations can stifle innovation and entrepreneurship, as businesses may be hesitant to invest in new products or technologies that could be subject to strict regulations. This can limit the potential for new businesses to emerge and grow.
Slowed job growth: Regulations can increase the cost of doing business, which can lead to reduced hiring and slower job growth. This can be particularly challenging for small businesses that may not have the resources to comply with regulatory requirements.
Reduced competition: Regulations can sometimes create barriers to entry for new businesses, which can reduce competition and limit economic growth. This can be particularly true in industries that are heavily regulated, such as healthcare and finance.
Reduced trade: Regulations can make it more difficult for businesses to operate in international markets, as they may face additional regulatory requirements and trade barriers. This can limit economic growth and reduce opportunities for businesses to expand their operations.
It is important to note that regulations can also have benefits, such as protecting consumers and the environment, promoting fair competition, and fostering innovation. It’s essential to strike a balance between regulatory requirements and economic growth to ensure that businesses can thrive while also protecting public health and safety.
The U.S. Standards System effectively provides a “shadow government” that runs parallel to the elected government so that a balance of informed voices are present in formulating what Montesquieu called the “necessary laws”. See our ABOUT.
As of January 2022, there were a few municipalities in the United States that allowed non-citizens to vote in local elections, but no entire states. These municipalities included:
San Francisco, California: Non-citizens are allowed to vote in school board elections.
Chicago, Illinois: Non-citizens are allowed to vote in school board elections.
Takoma Park, Maryland: Non-citizens are allowed to vote in local elections.
It’s worth noting that these policies may change over time as local governments make decisions regarding voting rights. For the most up-to-date information, it’s best to consult the specific laws and regulations of each municipality or state.
“Election Day, 1944” | Norman Rockwell for the Saturday Evening Post
School bond elections — either at county or district level — are processes through which communities vote to authorize the issuance of bonds to fund various projects and improvements in their local school districts. The elections determine the quality of educational settlements –new school buildings, renovating existing facilities, upgrading technology, and improving safety measures. The outcomes of these elections directly affect the quality of education and learning environments for students within the county. Successful bond measures can stimulate economic growth by creating jobs and attracting families to the area.
Community involvement and voter turnout are essential in determining the allocation of resources and shaping the quality of life for its citizens. In recent years, however, voter ambivalence about the education “industry” in general, the rise of home schooling and other cultural factors, complicate choices presented to voters.
By design, we do not provide a SEARCH function. We are a niche practice in a subtle, time-sensitive domain with over 30 years of case history. We were the first movers in the largest building construction market in the world. We are happy to answer all questions but place priority on collaborations. We provide links to the most accessed topics in recent days. All queries presented during our “Open Office Hours” every work day, or via email, are gratefully received and prompt a near-immediate response.
As part of its ongoing, exhaustive effort to continually promote campus safety, the University of Georgia announced today several additional measures, totaling more than $7.3 million, to further strengthen campus security on its Athens campus. https://t.co/bTg6b4DLUX
ASTM International (formerly known as the American Society for Testing and Materials) is a globally recognized organization that develops and publishes technical standards for a wide range of products, systems, and services. These standards are used by manufacturers, regulatory bodies, and other stakeholders to ensure that products and services are safe, reliable, and of high quality.
In the field of measurement science, ASTM plays an important role in developing standards and guidelines for measurement techniques and practices. These standards cover a wide range of topics related to measurement science, including the calibration of instruments, the characterization of measurement systems, and the validation of measurement results. They are used by researchers, engineers, and other professionals in academia, industry, and government to ensure that measurements are accurate, precise, and reliable.
ASTM standards for measurement science are developed through a process that involves input from experts in the field, including researchers, industry professionals, and regulatory bodies. These standards are updated regularly to reflect advances in measurement science and technology, as well as changes in industry and regulatory requirements. This is a far better way to discover and promulgate leading practice. In fact, there are regulations intended to restrain the outsized influence of vertical incumbents in legislative precincts where market-making happens.
This is happening Thursday at Peterhouse:
13:00 – 13:30
Fellows Orientation
14:00 – 15:30
Session I: Scruton’s Aesthetics
A. O’Hear
F. Hörcher
A. Frost
16:00 – 17:00
Session II: Art and Modernity
C. Varry
J. Kolata
17:30 – 19:00
Keynote I: Beauty and the Sacred
D. Hedley
J. Orr pic.twitter.com/EYnWIbDwtl
Abstract. Insights into the history and future of western civilization are found by applying information theory to the acoustical communication channel (ACC) of its worship spaces. Properties of the ACC have both influenced and reflected the choice of message coding (e.g., speech or music) at various times. Speech coding is efficient for acoustically dry ACCs, but hopeless for highly time-dispersive ACCs. Music coding is appropriate for time dispersive (reverberant) ACCs. The ACCs of synagogues, early Christian house churches, and many Protestant churches are relatively acoustically “dry” and thus well suited to spoken liturgies.
The spoken liturgy, dominant in synagogues, was carried over to early Christian churches, but became unworkable in Constantinian cathedrals and was largely replaced with a musical liturgy. After a millennium, the cathedral acoustic was altered to suit the doctrinal needs of reformation churches with its renewed emphasis on the spoken word. Worship forms continue to change, and the changes are reflected in the properties of the ACC. The pulpits of electronic churches may be evolving into radio and television performance spaces and naves into worshipers’ living rooms.
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/njrDAbSpwBpic.twitter.com/GkAXrHoQ9T
