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Un mondo fatto bene

Building Environment Design

Un Secolo Di Storia Davanti A Noi

Resilience of Hospital Power Systems in the Digital Age

Cento anni 1921-2021

Wiring Fire Prevention in Hospitals

A Procedure to Estimate the Energy Requirements for Lighting

Ferrocycles

Topology of Continuous Availability for LED Lighting Systems

Codice etico per la finanza

“you shall above all things be glad and young”

(sometimes numbered or referred to as poem 22) by E. E. Cummings.

writersalmanac.publicradio.org

It begins with the lines you recalled (phrased as ā€œyou shall above all things be glad and youngā€) and continues in Cummingsā€™s characteristic styleā€”lowercase letters, unconventional spacing/punctuation, and playful wordplay. It urges the addressee to stay joyful and youthful in spirit, notes that youth and gladness transform whatever life brings, includes a passage about love and mystery, and ends with the memorable preference for learning song from one bird over teaching stars not to dance.

americanpoems.com

The poem appears in collections of his work (such as Selected Poems and the complete poems editions). Because Cummingsā€™s works remain under copyright, the full text isnā€™t reproduced here; you can find it in standard published editions or reliable poetry sites/anthologies that have permission.

2 web pages

Ploughman’s Lunch

RANDOLPH WEATHER

Standards Wisconsin | Extension ServiceĀ |Ā Food Standards

August 2025 Update on Extension Budget Reduction

Ploughman's lunch | Traditional, British, Pubs | Britannica

University food service increasingly treats international variety as both an educational and marketing virtue. There is nothing inherently wrong with variety in fair measure. Yet an outsized emphasis on cuisines outside American and Anglosphere traditions can cause universities to neglect the foodways of the very nation and institutions that have attracted generations of international students.

Food is part of the inheritance of an educational settlement. Regional American cooking, the English ploughmanā€™s lunch, Canadian breads and preserves, Australian meat pies and the ordinary dishes of Scotland, Wales and Ireland carry histories of agriculture, climate, season and family life. They deserve a place beside newer arrivals.

Universities need not choose between hospitality and inheritance. A generous table can accommodate both. Indeed, international students may reasonably expect to encounter the distinctive food traditions of their host country. Cosmopolitanism is most interesting when cultures remain recognizable. University kitchens can welcome the world without forgetting the food already at home.

British Food in America


Ploughman’s Lunch

FALMER WEATHER

HOME | FOOD | BSI Group

The Ploughmanā€™s lunch belongs to the English foodway of simple cold meals built around bread, cheese and preserved foods. Its ingredients reflect the farmhouse, dairy, bakery and kitchen garden: a substantial piece of cheese, crusty bread, butter, pickled onions or chutney, often accompanied by apple, ham, boiled egg or salad.

Requiring little preparation and no cooking at the table, it evokes food carried into the fields or served at an inn during the working day.

Though the modern name and standardized pub presentation are comparatively recent, its components are much older: local produce, preservation, seasonality and refreshment arranged as an ordinary meal.

“The Cornfield” | John Constable 1826

NHS University Hospitals Sussex Recipe Book
https://images.openai.com/static-rsc-4/Lbi3D0edDbraAhBaTcpuLEIMKjL198wWUZ4--HywTbsRHTEx4Y321juI2_iKN_E1h6rcqsqTwY772UxE0bmqHYdpVKFEw4acMMwfijJ-gwBmNCkZyhZ2gplkomVKFGRDln0C2w3GQ_EtNOz1Sq2O5zIFblPdlbfTh0shXyRJgNaYrevewKuMbDdydlQJnS7f?purpose=fullsize

Pictures of Ophelia Lovibond

Ophelia Lovibond studied English at the University of Sussex, graduating in 2008.

Ploughman’s Lunch

Standard Specification for 100ā€‰% Cotton Denim Fabrics

School spirit need not require everyone to dress like the athletic department.

Licensed campus spirit wear is good business. Colleges earn royalties while students and alumni become walking advertisements for the institution. The arrangement is understandable, profitable and nearly universal. Yet something may be lost when the university wardrobe collapses into hoodies, sweatshirts, athletic jerseys and logo-covered leisurewear.

Young adulthood is a brief season. Students arrive on campus at an age when health, vitality and physical beauty are often at their height. They are also meeting one another, forming friendships, attending dinners, concerts and games and, whether consciously or not, presenting themselves to possible future partners. Dress has always been part of that social language.

A university therefore has interests beyond maximizing licensed-apparel revenue. An educational settlement should leave room for elegance, individuality and occasion: dresses, jackets, sweaters, skirts, proper shoes and well-cut trousers alongside the inevitable sweatshirt.

FYI: This standard was withdrawn in January 2023; its contents migrated to other titles:

Standard Test Method for Thickness of Textile Materials

Test Methods for Visually Inspecting and Grading Fabrics

“The Dressmaking Factory” 1881 Charles Ginnar

Stitches, Seams & Stitching

 

Metering and Billing

Although electrical powerĀ  delivered with both active and reactive components our interest lies primarily in the useable power component — watts (power) and watt-hour(energy).Ā  A secondary concern is whether or not energy useage meters are over-specified; particularly on points in building power chains downstream from the utility service meters.

Electrical meters, used for measuring electricity consumption, must comply with various codes and standards to ensure accuracy, safety, and reliability.Ā  Today at the usual hour ā€“ from the user point of view ā€“ we will review the status of key codes and standards relevant to electrical meter manufacturing, primarily focusing on North American standards.Ā  Use the login credentials at the upper right of our home page.

ANSI C12.1 – Code for Electricity Metering

  • Specifies performance criteria for AC watt-hour meters, demand meters, pulse devices, and auxiliary devices.
  • Covers testing, installation, accuracy classes, voltage/frequency ratings, and environmental tests (e.g., RF interference).
  • Current edition: ANSI C12.1-2024.

ANSI C12.10 – Physical Aspects of Watt-hour Meters

  • Defines physical and dimensional requirements for watt-hour meters, including socket and bottom-connected meters.
  • Ensures compatibility with metering installations.

ANSI C12.20 – Electricity Meters ā€“ 0.1, 0.2, and 0.5 Accuracy Classes

  • Establishes accuracy requirements for revenue-grade meters (0.1%, 0.2%, and 0.5% accuracy classes).
  • Note: Content merged into ANSI C12.1 in recent updates, with C12.20 withdrawn.

ANSI C12.31 – Standard Definitions of AC Electrical Power

  • Defines terms for active, reactive, and apparent power/energy, ensuring consistent measurement methodologies.
  • Under revision as ANSI C12.31-202x.

NEMA C12 Series

  • Published by the National Electrical Manufacturers Association (NEMA).
  • Aligns with ANSI C12 standards, focusing on metering equipment specifications and safety.

UL 2735 – Standard for Electric Utility Meters

  • Safety standard for electric meters, addressing electrical shock, fire hazards, and mechanical risks.
  • Ensures meters meet safety requirements for installation and operation.

NFPA 70 – National Electrical Code (NEC)

  • While not specific to manufacturing, NEC governs meter installation requirements (e.g., meter base mounting, grounding).
  • Relevant for ensuring meters comply with installation safety standards.Ā  We cover this topic of a safety point of view in the sessions linked below:

Electric Service Metering & Billing

Electrical Meter Center Manufacturing

Related:

The Effects of Energy Dashboards and Competition Programming on Electricity Consumption on a College Campus (Western Michigan University)

Comparative Feedback on Consumersā€™ Energy-Saving Behavior: A College Dormitory Example

Energy Standard for Sites & Buildings: Metering

Section 8 Key points:

Metering for New Buildings: New buildings larger than 25,000 square feet must be equipped with metering to measure the electrical energy usage of the entire building.

Tenant Spaces: In buildings with tenant spaces, individual tenant spaces larger than 10,000 square feet must also be separately metered.

Subsystem Metering: Buildings with electrical loads exceeding specified thresholds must have additional metering to measure energy use for various subsystems, including:

HVAC systems
Lighting systems
Plug loads
Process loads

These metering requirements are intended to help building owners and operators monitor energy consumption, identify opportunities for energy savings, and comply with building energy codes and standards.

Despite best intentions a fair question to ask: What does over metering look like? (University of Alberta Research)

University of Michigan

The American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) is an ANSI-accredited continuous-maintenance standards developer (a major contributor to what we call a regulatory product development “stream”).Ā  Ā Continuous maintenance means that changes to titles in its catalog can change in as little as 30-45 days.Ā  This is meaningful to jurisdictions that require conformance to the “latest” version of ASHRAE 90.1

Among the leading titles in its catalog is ASHRAE 90.1 Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings.Ā  Standard 90.1 has been a benchmark for commercial building energy codes in the United States and a key basis for codes and standards around the world for more than 35 years.Ā  Free access to ASHRAE 90.1 version is available at the link below:

READ ONLY Version of 2022 ASHRAE 90.1

If you cannot access it with the link above, try the link below and select 90.1 from the title list:

Current Popular ASHRAE Standards and Guidelines

Chapter 9: Lighting, begins on Page 148, and therein lie the tables that are the most widely used metrics (lighting power densities) by electrical and illumination engineers for specifying luminaires and getting them wired and controlled “per code”.Ā  Ā Many jurisdictions provide access to this Chapter without charge.Ā  Respecting ASHRAE’s copyright, we will not do so here but will use them during today’s Illumination Colloquium, 16:00 UTC.

Keep in mind that recently ASHRAE expanded the scope of 90.1 to include energy usage in the spaces between buildings:

25 January 2023: Newly Released ASHRAE 90.1-2022 Includes Expanded Scope For Building Sites

At this time, there are no redlines open for public comment

Online Standards Actions & Public Review Drafts

Education industry facility managers, energy conservation workgroups, sustainability officers, electric shop foreman, electricians and front-line maintenance professionals who change lighting fixtures, maintain environmental air systems are encouraged to participate directly in the ASHRAE consensus standard development process.

Univerzita Karlova

We also maintain ASHRAE best practice titles as standing items on our Mechanical, Water, Energy and Illumination colloquia.Ā  See our CALENDAR for the next online meeting; open to everyone.

Issue: [Various]

Category: Mechanical, Electrical, Energy Conservation, Facility Asset Management, US Department of Energy, #SmartCampus

Colleagues: Mike Anthony, Larry Spielvogel, Richard Robben

Under Construction:Ā  ASHRAE WORKSPACE

More:

US Department of Energy Codes Program: Power and Lighting

Rightsizing Electrical Power Systems

Electric Service Metering & Billing

Electrical Safety

Today at 16:00 UTC we review best practice for engineering and installing the point of common coupling between an electrical service provider its and an purchasing — under the purview of NEC CMP-10.

Committee topical purviews change cycle-to-cycle.Ā  Here’s the transcript for today’s session:Ā  CMP-10 Second Draft Report (368 pages)

Use the login credentials at the upper right of our home page.

The relevant passages of the National Electrical Code are found in Article 230 and Article 495.Ā Ā We calibrate our attention with the documents linked below.Ā  These are only representative guidelines:

University of Michigan Medium Voltage Electrical Distribution

Texas A&M University Medium Voltage Power Systems

University of Florida Medium Voltage Electrical Distribution

Representative standards for regulated utilities for purchased power:

Detroit Edison Primary Service Standards (Green Book)

American Electric Power: Requirements for Electrical Services

Pacific Gas & Electric Primary Service Requirements

The IEEE Education & Healthcare Facilities Committee curates a library of documents similar to those linked above.

Design of Electrical Services for Buildings

We are in the process of preparing new (original, and sometimes recycled) proposals for the 2026 National Electrical Code, with the work of Code Panel 10 of particular relevance to today’s topic:

2026 National Electrical Code Workspace

First Draft Meetings: January 15-26, 2024 in Charleston, South Carolina

Electrical meter billing standards are generally regulated at the state or local level, with guidelines provided by public utility commissions or similar regulatory bodies.Ā  These tariff sheets are among the oldest in the world.Ā  There are some common standards for billing and metering practices, including:

  1. Meter Types: There are various types of meters used to measure electricity consumption, including analog (mechanical) meters, digital meters, and smart meters. Smart meters are becoming more common and allow for more accurate and real-time billing.
  2. Billing Methodology:
    • Residential Rates: Most residential customers are billed based on kilowatt-hours (kWh) of electricity used, which is the standard unit of energy.
    • Demand Charges: Some commercial and industrial customers are also subject to demand charges, which are based on the peak demand (the highest amount of power drawn at any one point during the billing period).
    • Time-of-Use Rates: Some utilities offer time-of-use (TOU) pricing, where electricity costs vary depending on the time of day or season. For example, electricity may be cheaper during off-peak hours and more expensive during peak hours.
  3. Meter Reading and Billing Cycle:
    • Monthly Billing: Typically, customers receive a bill once a month, based on the reading of the electricity meter.
    • Estimation: If a meter reading is not available, some utilities may estimate usage based on historical patterns or average usage.
    • Smart Meter Readings: With smart meters, some utilities can provide daily or even hourly usage data, leading to more precise billing.
  4. Meter Standards: The standards for electrical meters, including their accuracy and certification, are set by national organizations like the National Institute of Standards and Technology (NIST) and the American National Standards Institute (ANSI). Meters must meet these standards to ensure they are accurate and reliable.
  5. Utility Commission Regulations: Each state has a utility commission (such as the California Public Utilities Commission, the Texas Public Utility Commission, etc.) that regulates the rates and billing practices of electricity providers. These commissions ensure that rates are fair and that utilities follow proper procedures for meter readings, billing cycles, and customer service
  6. Large University “Utilities”.Ā  Ā Large colleges and universities that generate and distribute some or all of their electric power consumption have developed practices to distribute the cost of electricity supply to buildings.Ā  We will cover comparative utility billing practices in a dedicated colloquium sometime in 2025.

Michigan Public Service Commission | Consumer’s Energy Customer Billing Rules

Geoffrey Hinton & John Hopfield

The so-called “Godfather of AI” who won the Nobel Prize is Geoffrey Hinton. He was awarded the 2024 Nobel Prize in Physics alongside John Hopfield for their foundational discoveries and inventions that enabled machine learning with artificial neural networks.

Hinton, a British-Canadian computer scientist and cognitive psychologist, is widely recognized for his pioneering work on neural networks, particularly the development of the Boltzmann machine and contributions to the backpropagation algorithm, which have been critical to modern AI systems like ChatGPT.

The work of each, starting in the 1980s, laid the groundwork for the AI revolution, earning them the title “Godfathers of AI.”

John J. Hopfield delivered his Nobel Prize lecture “Physics is a point of view” on 8 December 2024 at the Aula Magna, Stockholm University. He was introduced by Professor Ellen Moons, Chair of the Nobel Committee for Physics.

print(“Python”)

Active Python Releases

 

“Python is the programming equivalent

of a Swiss Army Knife.”

— Some guy

 

The Python Standard Library

Open source standards development is characterized by very open exchange, collaborative participation, rapid prototyping, transparency and meritocracy.Ā  Ā The Python programming language is a high-level, interpreted language that is widely used for general-purpose programming. Python is known for its readability, simplicity, and ease of use, making it a popular choice for beginners and experienced developers alike.Ā Ā Python has a large and active community of developers, which has led to the creation of a vast ecosystem of libraries, frameworks, and tools that can be used for a wide range of applications. These include web development, scientific computing, data analysis, machine learning, and more.

Another important aspect of Python is its versatility. It can be used on a wide range of platforms, including Windows, macOS, Linux, and even mobile devices. Python is also compatible with many other programming languages and can be integrated with other tools and technologies, making it a powerful tool for software development.Ā Ā Overall, the simplicity, readability, versatility, and large community support of Python make it a valuable programming language to learn for anyone interested in software development including building automation.

As open source software, anyone may suggest an improvement to Python(3.X) starting at the link below:

Python Enhancement Program

Python Download for Windows

Python can be used to control building automation systems. Building automation systems are typically used to control various systems within a building, such as heating, ventilation, air conditioning, lighting, security, and more. Python can be used to control these systems by interacting with the control systems through the building’s network or other interfaces.

There are several Python libraries available that can be used for building automation, including PyVISA, which is used to communicate with instrumentation and control systems, and PyModbus, which is used to communicate with Modbus devices commonly used in building automation systems. Python can also be used to develop custom applications and scripts to automate building systems, such as scheduling temperature setpoints, turning on and off lights, and adjusting ventilation systems based on occupancy or other variables.Ā Overall, Python’s flexibility and versatility make it well-suited for use in building automation systems.

SubversionĀ®

Building Automation & Control Networks

 

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