Tag Archives: D6

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Roger Scruton Memorial Lectures

“Stand up for your friends especially when they’re right.  There is every reason in the world to do so but one is not obvious — although perhaps it should be — and it’s this:  it might be the only chance you get to show them how much they mean to you if you don’t seize this opportunity whenever it comes along. 

To save the truth of your feelings for their funeral or obituaries it’s not much use to anyone then but if you defend a friend while they’re alive you might just give them the slightest intimation of how much you value them and love them and how much other people love them too…”

Douglas Murray

 

print(“Python”)

Python 3.12.5 released

 

“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

Fashion Technology

Art presents a different way of looking at things than science; 

one which preserves the mystery of things without undoing the mystery.

Sir Roger Scruton


Garment Industry Standards

Gallery: School Uniforms

Textiles

Art, Design & Fashion Studios

Land Measurement

In the United States, land surveying is regulated by various professional organizations and government agencies, and there are several technical standards that must be followed to ensure accuracy and consistency in land surveying.

The best practice for land surveying is set by the “Manual of Surveying Instructions” published by an administrative division of the United States Department of the Interior responsible for managing public lands in the United States. The manual provides detailed guidance on the procedures and techniques for conducting various types of land surveys, including public land surveys, mineral surveys, and cadastral surveys.

George Washington, Surveyor of Western Virginia

Manual of Surveying Instructions

Another important set of model standards for land surveying is the Minimum Standards for Property Boundary Surveys* published by the National Society of Professional Surveyors. These standards provide guidance on the procedures and techniques for conducting property boundary surveys, including the use of appropriate surveying equipment, the preparation of surveying maps and plats, and the documentation of surveying results.   Land surveyors in the United States are also required to adhere to state and local laws and regulations governing land surveying, as well as ethical standards established by professional organizations such as the American Society of Civil Engineers.


* Local variants

California: Minimum Standard Detail Requirements for ALTA/NSPS Land Title Surveys

Michigan: Minimum Standard Detail Requirements for ALTA/NSPS Land Title Surveys

 

The Morrill Land-Grant Act of 1862 granted each state 30,000 acres of federal land for each member of Congress from that state to establish colleges that would teach agriculture, engineering, and military tactics. This legislation led to the establishment of many public universities, including the Texas A&M University, the University of Wisconsin and Michigan State University.

International Zoning Code

International Zoning Code

ANSI Standards Action: February 2, 2024

National Association of County Engineers

The purpose of the code is to establish minimum requirements to provide a reasonable level of health, safety, property protection and welfare by controlling the design, location, use or occupancy of all buildings and structures through the regulated and orderly development of land and land uses within this jurisdiction.

CLICK IMAGE

Municipalities usually have specific land use or zoning considerations to accommodate the unique needs and characteristics of college towns:

  1. Mixed-Use Zoning: Cities with colleges and universities often employ mixed-use zoning strategies to encourage a vibrant and diverse urban environment. This zoning approach allows for a combination of residential, commercial, and institutional uses within the same area, fostering a sense of community and facilitating interactions between students, faculty, and residents.
  2. Height and Density Restrictions: Due to the presence of educational institutions, cities may have specific regulations on building height and density to ensure compatibility with the surrounding neighborhoods and maintain the character of the area. These restrictions help balance the need for development with the preservation of the existing urban fabric.
  3. Student Housing: Cities with colleges and universities may have regulations or guidelines for student housing to ensure an adequate supply of affordable and safe accommodations for students. This can
    include requirements for minimum bedroom sizes, occupancy limits, and proximity to campus.
  4. Parking and Transportation: Given the concentration of students, faculty, and staff, parking and transportation considerations are crucial. Cities may require educational institutions to provide parking facilities or implement transportation demand management strategies, such as promoting public transit use, cycling infrastructure, and pedestrian-friendly designs.
  5. Community Engagement: Some cities encourage colleges and universities to engage with the local community through formalized agreements or community benefit plans. These may include commitments to support local businesses, contribute to neighborhood improvement projects, or provide educational and cultural resources to residents.

This is a relatively new title in the International Code Council catalog; revised every three years in the Group B tranche of titles.  Search on character strings such as “zoning” in the link below reveals the ideas that ran through the current revision:

Complete Monograph: 2022 Proposed Changes to Group B I-Codes (1971 pages)

We maintain it on our periodic I-Codes colloquia, open to everyone.  Revision proposals for the 2026 revision will be received until January 10, 2025.

2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE

We maintain it on our periodic I-Codes colloquia, open to everyone with the login credentials at the upper right of our home page.

The City Rises (La città che sale) | 1910 Umberto Boccioni


Related:

Signs, Signs, Signs

  1. Reed v. Town of Gilbert (2015): This Supreme Court case involved a challenge to the town of Gilbert, Arizona’s sign code, which regulated the size, location, and duration of signs based on their content. The court held that the sign code was a content-based restriction on speech and therefore subject to strict scrutiny.
  2. City of Ladue v. Gilleo (1994): In this Supreme Court case, the court struck down a municipal ordinance that banned the display of signs on residential property, except for signs that fell within specific exemptions. The court held that the ban was an unconstitutional restriction on the freedom of speech.
  3. Metromedia, Inc. v. San Diego (1981): This Supreme Court case involved a challenge to a San Diego ordinance that banned off-premises advertising signs while allowing on-premises signs. The court held that the ordinance was an unconstitutional restriction on free speech, as it discriminated against certain types of speech.
  4. City of Ladue v. Center for the Study of Responsive Law, Inc. (1980): In this Supreme Court case, the court upheld a municipal ordinance that prohibited the display of signs on public property, but only if the signs were posted for longer than 10 days. The court held that the ordinance was a valid time, place, and manner restriction on speech.
  5. City of Boerne v. Flores (1997): This Supreme Court case involved a challenge to a municipal sign code that regulated the size, location, and content of signs in the city. The court held that the sign code violated the Religious Freedom Restoration Act, as it burdened the exercise of religion without a compelling government interest.

 

Electrical Resource Adequacy

 

“When buying and selling are controlled by legislation,
the first things to be bought and sold are legislators.”
— P.J. O’Rourke

 

“Federal Power Act” | June 10, 1920, Chapter 285 of the 66th Congress] 

Comment on FERC Action

Our interest lies in closing a technical gap that exists upstream from the building service point and downstream from the utility supply point. Some, not all of it, can be accomplished with titles in the IEEE catalog.

Given the dominance of vertical incumbents in the electric power domain, we will submit a tranche of reliability concepts into the ASHRAE, NFPA and ICC catalogs — not so much with the expectation that they will be gratefully received — but that our proposals will unleash competitive energies among developers of voluntary consensus standards.

Nothing happened in August

Technical Conference RE: Large Loads Co-Located at Generating Facilities: November 1, 10AM EDT

Echo Chamber Synonyms: mutual admiration society, self congratulatory club,

back patting session, congratulatory loop, closed loop of praise, reciprocal praise fest,

feedback bubble, endless validation cycle, compliment carousel.

Predictive Reliability Analysis of Power Distribution Systems Considering the Effects of Seasonal Factors on Outage Data Using Weibull Analysis Combined With Polynomial Regression


February 2024 Highlights 

Failure Rate Prediction Model of Substation Equipment Based on Weibull Distribution and Time Series Analysis

January 2024 Highlights



Transmission Planning Using a Reliability Criterion

Readings / The Administrative State

In power system engineering, availability and reliability are two important concepts, but they refer to different aspects of the system’s performance.

Reliability:

  • Reliability refers to the ability of a power system to perform its intended function without failure for a specified period under given operating conditions. It is essentially a measure of how dependable the system is.
  • Reliability metrics often include indices such as the frequency and duration of outages, failure rates, mean time between failures (MTBF), and similar measures.
  • Reliability analysis focuses on identifying potential failure modes, predicting failure probabilities, and implementing measures to mitigate risks and improve system resilience.Availability:
  • Availability, on the other hand, refers to the proportion of time that a power system is operational and able to deliver power when needed, considering both scheduled and unscheduled downtime.
  • Availability is influenced by factors such as maintenance schedules, repair times, and system design redundancies.
  • Availability is typically expressed as a percentage and can be calculated using the ratio of the uptime to the total time (uptime plus downtime).
  • Availability analysis aims to maximize the operational readiness of the system by minimizing downtime and optimizing maintenance strategies.

Reliability focuses on the likelihood of failure and the ability of the system to sustain operations over time, while availability concerns the actual uptime and downtime of the system, reflecting its readiness to deliver power when required. Both concepts are crucial for assessing and improving the performance of power systems, but they address different aspects of system behavior.

 

November 2023 Highlights | FERC insight | Volume 10

Determining System and Subsystem Availability Requirements: Resource Planning and Evaluation

Comment: These 1-hour sessions tend to be administrative in substance, meeting the minimum requirements of the Sunshine Act. This meeting was no exception. Access to the substance of the docket is linked here.

Noteworthy: Research into the natural gas supply following Winter Storm Elliot.

 


August 14, 2003


 UPDATED POLICIES ON U.S. DECARBONIZATION AND TECHNOLOGY TRANSITIONS


June 15:FERC Finalizes Plans to Boost Grid Reliability in Extreme Weather Conditions

On Monday June 13th, Federal Energy Regulatory Commission commissioners informed the House Committee on Energy and Commerce that the “environmental justice” agenda prohibits reliable dispatchable electric power needed for national power security. One megawatt of natural gas generation does not equal one megawatt of renewable generation. The minority party on the committee — the oldest standing legislative committee in the House of Representatives (established 1795) — appears indifferent to the reliability consequences of its policy.

Joint Federal-State Task Force on Electric Transmission

“Our nation’s continued energy transition requires the efficient development of new transmission infrastructure. Federal and state regulators must address numerous transmission-related issues, including how to plan and pay for new transmission infrastructure and how to navigate shared federal-state regulatory authority and processes. As a result, the time is ripe for greater federal-state coordination and cooperation.”












 

Bibliography:

Natural Gas Act of 1938

Natural Gas Policy Act of 1978

Glossary of Terms Used in NERC Reliability Standards

The Major Questions Doctrine and Transmission Planning Reform

As utilities spend billions on transmission, support builds for independent monitoring

States press FERC for independent monitors on transmission planning, spending as Southern Co. balks

Related:

Homeland Power Security

At the July 20th meeting of the Federal Energy Regulatory Commission Tristan Kessler explained the technical basis for a Draft Final Rule for Improvements to Generator Interconnection Procedures and Agreements, On August 16th the Commission posted a video reflecting changes in national energy policy since August 14, 2003; the largest blackout in American history.

Farm Electrical Power

ACTION ITEMS:

Article 547: Agricultural Buildings

Public Input with Responses from CMP-7 (Start at PDF Page 187)

Public Input with Responses from CMP-2 Article 220 Part V: Farm Load Calculations (Start at PDF Page 28)

Related: National Electrical Safety Code (Higher Voltage Distribution Wiring from Merchant Utility to Off-Campus Agricultural Outbuildings)

Sunday, Animal, Farm, Agri

Many land grant colleges and universities are stewards of agricultural facilities that require reliable electrical power that is safe and sustainable for livestock and animal habitat for sporting.

FREE ACCESS: 2023 National Electrical Code

The premise wiring rules for hazardous university owned buildings have been relatively stable.  Electrical professionals are guided by:

  1. Farm Load Calculations of Part V of Article 220,
  2. Corrosion mitigation with appropriate specification of power chain wiring
  3. Stray voltage and the equipotential plane
  4. Interactivity with regulated utility power sources.

Public response to the First Draft of the 2026 National Electrical Code will be received until August 28, 2024.  We coordinate our approach to the entire NFPA electrical suite with the IEEE Education & Healthcare Facilities Committee which meets 4 times monthly.  We typically refer to previous transcripts of technical committee actions to inform any changes (improvements) that we propose, if any.

2026 National Electrical Code Workspace

We maintain this issue on the standing agenda of our Power and Nourriture (Food) colloquia.  Feel free to join us with the login credentials at the upper right of our home page.


More:

2028 National Electrical Safety Code

Stray Voltage: Sources and Solutions

University of Nebraska: G87-845 Electrical Systems for Agricultural Buildings (Recommended Practices)

Cornell University Agricultural Safety and Health Program

Mike Holt

Fred Hartwell

National Safety Council  (22 deaths by electrocution on farms per 100,000 in 2017)

National Agricultural  Safety Database

 

Stray Voltage: Sources and Solutions

Michigan State University

 

Stray Voltage: Sources and Solutions

Truman C. Surbrook – Norman D. Reese – Angela M. Kehrle

 

Abstract.  Stray voltage is caused by voltage drop and ground faults and may have its origin on the primary electrical distribution system or on the customer’s secondary electrical system. The rms value of the neutral-to-earth voltage along a primary distribution line may be at a value of zero some distance from the substation depending on the condition of the conductor resistances, grounding resistances, and the amount of load. Neutral-to-earth resistance is not the cause of stray voltage; however, the value of this resistance to earth at a particular location will affect the level of stray voltage. A four-wire single-phase feeder system supplying farm buildings from a single metering point is effective in preventing on-farm secondary neutral voltage drop, provided the four-wire system is extended to all farm loads, and provided no high-magnitude ground faults are present. Isolation of the primary and secondary neutral systems at the distribution transformer is effective in preventing off-farm sources from entering the customer’s system. This separation may be accomplished using a number of commercially available devices.

CLICK HERE for access to the entire paper

Standard Reference Material

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.

National Institute for Standards & Technology

Federal Participation in Consensus Standards

ARCHIVE: UM Welcomes ANSI 2015

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