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Python 3.14.0 beta 4 was released July 8th.

 

“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.   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.  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.  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. Overall, Python’s flexibility and versatility make it well-suited for use in building automation systems.

Subversion®

Building Automation & Control Networks

Fountains

“Temple, Fountain and Cave in Sezincote Park” | Thomas Daniell (1819) | Yale Center for British Art

From time to time we break from our interest in lowering the cost of our “cities-within-cities” to enjoy the work of our colleagues responsible for seasonal ambience and public art.  We have a dedicated post that celebrates the accomplishments of our gardeners and horticultural staff.   Today we dedicate a post to campus fountains–a focal point for gathering and a place for personal reflection for which there is no price.

Alas, we find a quickening of standards developing organizations growing their footprint in the spaces around buildings now.  They used to confine the scopes of their standardization enterprises to the building envelope.  That day will soon be behind us as an energized cadre of water rights social justice workers, public safety, sustainability and energy conservation professionals descend upon campus fountains with prescriptive requirements for evaporation rates, bromine concentrations, training, certification and inspections.  In other words regulators and conformity functionaries will outnumber benefactors and fountain designers 1 million to 1.

We will deal with all that when the day comes.  For the moment, let’s just enjoy them.

We are happy to walk you through the relevant structural, water safety, plumbing and electrical issues any day at 11 AM EST during our daily standing online teleconferences.   Click on any image for author attribution, photo credit or other information.

Purdue University

The Great Court at Trinity College, Cambridge

Regent University

University of Washington

Hauptgebäude der Ludwig-Maximilians-Universität München, Bayern, Deutschland

College of the Desert / Palm Desert, California

California Institute of Technology

Berry College

Utah Valley University

Universitat d’Alacant / Sant Vicent del Raspeig, Spain

Collin County Community College / Plano, Texas

University of Toledo

University of Michigan College of Engineering

Harvard University

Florida State University

University of North Texas

 

Peach Cobbler

Santa Clara University Consolidated Financial Statements | $2.9 billion

More Recipes

Zoom Backgrounds

Standards California

Lightning Protection Systems

2026 Public Input Report | 2026 Public Comment Report

FEMA National Risk Index: Lightning

“Benjamin Franklin Drawing Electricity from the Sky” 1816 Benjamin West

 

Benjamin Franklin conducted his famous experiment with lightning on June 10, 1752.

He used a kite and a key to demonstrate that lightning was a form of electricity.

This experiment marked an important milestone in understanding the nature of electricity

and laid the foundation for the development of lightning rods and other lightning protection systems.

 

Seasonal extreme weather patterns in the United States, resulting in damages to education facilities and delays in outdoor athletic events — track meets; lacrosse games, swimming pool closures and the like — inspire a revisit of the relevant standards for the systems that contribute to safety from injury and physical damage to buildings: NFPA 780 Standard for the Installation of Lightning Protection Systems

FREE ACCESS

To paraphrase the NFPA 780 prospectus:

  • This document shall cover traditional lightning protection system installation requirements for the following:
       (1) Ordinary structures
       (2) Miscellaneous structures and special occupancies
       (3) Heavy-duty stacks
       (4) Structures containing flammable vapors, flammable gases, or liquids with flammable vapors
       (5) Structures housing explosive materials
       (6) Wind turbines
       (7) Watercraft
       (8) Airfield lighting circuits
       (9) Solar arrays
  • This document shall address lightning protection of the structure but not the equipment or installation requirements for electric generating, transmission, and distribution systems except as given in Chapter 9 and Chapter 12.

(Electric generating facilities whose primary purpose is to generate electric power are excluded from this standard with regard to generation, transmission, and distribution of power.  Most electrical utilities have standards covering the protection of their facilities and equipment. Installations not directly related to those areas and structures housing such installations can be protected against lightning by the provisions of this standard.)

  • This document shall not cover lightning protection system installation requirements for early streamer emission systems or charge dissipation systems.

“Down conductors” must be at least #2 AWG copper (0 AWG aluminum) for Class I materials in structures less than 75-ft in height

“Down conductors: must be at least 00 AWG copper (0000 AWG aluminum) for Class II Materials in structures greater than 75-ft in height.

Related grounding and bonding  requirements appears in Chapters 2 and Chapter 3 of NFPA 70 National Electrical Code.  This standard does not establish evacuation criteria.  

University of Michigan | Washtenaw County (Photo by Kai Petainen)

The current edition is dated 2023 and, from the transcripts, you can observe concern about solar power and early emission streamer technologies tracking through the committee decision making.  Education communities have significant activity in wide-open spaces; hence our attention to technical specifics.

2023 Public Input Report

2023 Public Comment Report

Public input on the 2026 revision is receivable until 1 June 2023.

We always encourage our colleagues to key in their own ideas into the NFPA public input facility (CLICK HERE).   We maintain NFPA 780 on our Power colloquia which collaborates with IEEE four times monthly in European and American time zones.  See our CALENDAR for the next online meeting; open to everyone.

Lightning flash density – 12 hourly averages over the year (NASA OTD/LIS) This shows that lightning is much more frequent in summer than in winter, and from noon to midnight compared to midnight to noon.

Issue: [14-105]

Category: Electrical, Telecommunication, Public Safety, Risk Management

Colleagues: Mike Anthony, Jim Harvey, Kane Howard

More

Installing lightning protection system for your facility in 3 Steps (Surge Protection)

IEEE Education & Healthcare Facility Electrotechnology

Readings: The “30-30” Rule for Outdoor Athletic Events Lightning Hazard

Churches and chapels are more susceptible to lightning damage due to their height and design. Consider:

Height: Taller structures are more likely to be struck by lightning because they are closer to the cloud base where lightning originates.

Location: If a church or chapel is situated in an area with frequent thunderstorms, it will have a higher likelihood of being struck by lightning.

Construction Materials: The materials used in the construction of the building can affect its vulnerability. Metal structures, for instance, can conduct lightning strikes more readily than non-metallic materials.

Proximity to Other Structures: If the church or chapel is located near other taller structures like trees, utility poles, or buildings, it could increase the chances of lightning seeking a path through these objects before reaching the building.

Lightning Protection Systems: Installing lightning rods and other lightning protection systems can help to divert lightning strikes away from the structure, reducing the risk of damage.

Maintenance: Regular maintenance of lightning protection systems is essential to ensure their effectiveness. Neglecting maintenance could result in increased susceptibility to lightning damage.

Historical Significance: Older buildings might lack modern lightning protection systems, making them more vulnerable to lightning strikes.

The risk can be mitigated by proper design, installation of lightning protection systems, and regular maintenance. 

Virginia Tech

Solar Panels on King’s College Chapel Roof

“…The solar panels will populate the gothic chapel roof, producing an approximate 105,000 kWh of energy a year – enough to run the chapel’s electricity, and saving around £20,000 in energy bills per year. The college confirmed that any excess energy would be sold off to the national grid.

King’s College Announcement

Solar Panels on King’s College Chapel Roof

Solar panels perform better when listening to music:

A 2013 study by researchers at Imperial College London and Queen Mary University of London showed that solar panels actually work better when exposed to music, of multiple genres. Scientists at the university proved that when exposed to high pitched sounds, like those found in rock and pop music, the solar cells’ power output increased by up to 40 percent. Classical music was also found to increase the solar cells’ energy production, but slightly less so than rock and pop, as it generally plays at a lower pitch than pop and rock. Whether they know it or not, British band Coldplay are just one of the artists benefitting from this research. During their 2021 tour, they installed solar photovoltaic panels in the build-up to each show, “behind the stage, around the stadium and where possible in the outer concourses”…

BS 7671 Requirements for Electrical Installations

The Major Differences in Electrical Standards Between the U.S. and Europe

Representative Calculation: (WAG)

To determine how much electrical power and lighting 12 kilowatts (kW) will provide for an educational facility, we need to consider the following factors:

    1. Power Distribution: How the 12 kW will be distributed across different electrical needs such as lighting, computers, HVAC (heating, ventilation, and air conditioning), and other equipment.
    2. Lighting Requirements: The specific lighting requirements per square foot or room, which can vary based on the type of facility (classrooms, libraries, laboratories, etc.).
    3. Efficiency of Lighting: The type of lighting used (e.g., LED, fluorescent, incandescent) as this affects the power consumption and lighting output.

We start with lighting.

    1. Lighting Efficiency:
      • LED lights are highly efficient, typically around 100 lumens per watt.
      • Fluorescent lights are less efficient, around 60-70 lumens per watt.
    2. Lighting Power Calculation:
      • 12 kW (12,000 watts) of LED lighting at 100 lumens per watt would provide: 12,000 watts×100 lumens/watt=1,200,000 lumens
    3. Illumination Requirements:
      • Classroom: Approximately 300-500 lux (lumens per square meter).
      • Library or laboratory: Approximately 500-750 lux.
    4. Area Coverage:
      • If we target 500 lux (which is 500 lumens per square meter), we can calculate the area covered by the lighting: (1,200,000 lumens)/ 500 lux=2,400 square meters

Now we need to allocate power to other loads.

    1. Lighting: Assuming 50% of the 12 kW goes to lighting:
      • Lighting Power: 6 kW (6,000 watts)
      • Using the previous calculation: 6,000 watts×100 lumens/watt=600,000 lumens
      • Area Coverage for lighting (at 500 lux): (600,000 lumens)/500 lux=1,200 square meters
    2. Other Electrical Needs:
      • Computers and equipment: Typically, a computer lab might use around 100 watts per computer.
      • HVAC: This can vary widely, but let’s assume 4 kW is allocated for HVAC and other systems.

Breakdown:

    • Lighting: 6 kW
    • Computers/Equipment: 2 kW (e.g., 20 computers at 100 watts each)
    • HVAC and other systems: 4 kW

Summary

    • Lighting: 12 kW can provide efficient LED lighting for approximately 1,200 square meters at 500 lux.
    • General Use: When distributed, 12 kW can cover lighting, a computer lab with 20 computers, and basic HVAC needs for a small to medium-sized educational facility.

The exact capacity will vary based on specific facility needs and equipment efficiency.

 

 

History of the English Speaking Peoples

Michigan Central

Since so much of what we do in standards setting is built upon a foundation of a shared understanding and agreement of the meaning of words (no less so than in technical standard setting) that time is well spent reflecting upon the origin of the nouns and verbs of that we use every day.   Best practice cannot be discovered, much less promulgated, without its understanding secured with common language.

Word Counts

2024 Alumni Awards

Cambridge: English language education in the era of generative AI

Places of Worship

“The Church is not a gallery for the exhibition of eminent Christians,

but a school for the education of imperfect ones.”

— Henry Ward Beecher

WEBCAST Committee Action Hearings, Group A #2

 

2024 International Building Code: Chapter 3 Occupancy Classification and Use

In the International Code Council catalog of best practice literature we find the first principles for safety in places of worship tracking in the following sections of the International Building Code (IBC):

Section 303 Assembly Group A

“303.1.4:  Accessory religious educational rooms and religious auditoriums with occupant loads less than 100 per room or space are not considered separate occupancies.”   This informs how fire protection systems are designed.

Section 305 Educational Group E

“305.2.1: Rooms and spaces within places of worship proving such day care during religious functions shall be classified as part of the primary occupancy.”  This group includes building and structures or portions thereof occupied by more than five children older than 2-1/2 years of age who receive educational, supervision or personal care services for fewer than 24 hours per day.

Section 308 Institutional Group I

“308.5.2: Rooms and spaces within places of religious worship providing [Group I-4 Day Care Facilities] during religious functions shall be classified as part of the primary occupancy.   When [Group I-4 Day Care Facilities] includes buildings and structures occupied by more than five persons of any age who receive custodial care for fewer than 24 hours per day by persons other than parents or guardians, relatives by blood, marriage or adoption, and in a place other than the home of the person cared for.

Tricky stuff — and we haven’t even included conditions under which university-affiliated places of worship may expected to be used as community storm shelters.

"This We'll Defend."

2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE

Public response to Committee Actions taken in Orlando in April will be received until July 8th.

Because standard development tends to be a backward-looking domain it is enlightening to understand the concepts in play in previous editions.  The complete monograph of proposals for new building safety concepts for places of worship for the current revision cycle is linked below:

 2021/2022 Code Development: Group B

A simple search on the word “worship” will reveal what ideas are in play.  With the Group B Public Comment Hearings now complete ICC administered committees are now curating the results for the Online Governmental Consensus Vote milestone in the ICC process that was completed December 6th.   Status reports are linked below:

2018/2019 Code Development: Group B

Note that a number of proposals that passed the governmental vote are being challenged by a number of stakeholders in a follow-on appeals process:

2019 Group B Appeals

A quick review of the appeals statements reveals some concern over process, administration and technical matters but none of them directly affect how leading practice for places of worship is asserted.

We are happy to get down in the weeds with facility professionals on other technical issues regarding other occupancy classes that are present in educational communities.   See our CALENDAR for next Construction (Ædificare) colloquium open to everyone.

Issue: [17-353]

Category: Chapels

Colleagues: Mike Anthony, Jack Janveja, Richard Robben, Larry Spielvogel

More

Acoustical Engineering

“What Wondrous Love”

St. Olaf Choir in Norway | In the Fjords

 

 

 

 

 

 

 

 

 

 

 

 

 

The authorship of the hymn “What Wondrous Love Is This?” is unknown, and it is believed to be a traditional American folk hymn that emerged in the early 19th century. The hymn is sometimes attributed to American composer and music educator William Walker, who included it in his songbook “Southern Harmony” in 1835.   It has  become a beloved hymn in many Christian traditions, particularly during the season of Lent and Holy Week, as it helps worshippers reflect on the depth and meaning of Jesus Christ’s sacrifice.

History of Western Civilization Told Through the Acoustics of its Worship Spaces

Standards Minnesota

St. Olaf Facilities Department

Family Walking Tour

South Africa

 

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2723 South State Street | Suite 150
Ann Arbor, MI 48104 USA

888-746-3670

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