Fireplace Safety

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Fireplace Safety

January 23, 2024
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Many accommodations such as dormitories, fraternities and sororities have working fireplaces — wood burning and natural gas.  Community spaces such as student unions, libraries and recreation spaces also have fireplaces as a central feature.

The purpose of NFPA 211 is to reduce fire hazards by discovering and promulgating best practice for the safe removal of flue gases, the proper installation of solid fuel-burning appliances, and the correct construction and installation of chimneys, fireplaces, and venting systems.  The current 2019 Edition is linked below:

Free Access: NFPA 221 Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances

The 2024 has been released.  To guide our inquiry into safety and sustainability concepts for the 2027 Edition we like review the developmental transcripts of previous edition:

Public Input Report

Second Revisions Report

Public input on the 2027 Edition will be received until June 4, 2024.  We encourage facility managers to recommend improvements to this standard by setting up a (Free) NFPA account the link below:

Online submission of public input and public comments

We maintain this standard on our periodic Prometheus and Housing colloquia.  Consult our CALENDAR for the next online meeting, open to everyone

Link to parent standard:

Code ignis MMXXVII

NFPA 211: Articles and News

University of Rochester Fireplace Safety

American Gas Association: How Natural Gas Fuels Your Holiday Traditions

Natural Gas Transmission & Distribution

 

Natural Gas Transmission & Distribution

January 23, 2024
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Poster showing benefits of gas lighting and heating (Italy, 1902)

 

 

 

 

Most school districts, colleges, universities and university-affiliated health care systems depend upon a safe and reliable supply of natural gas.  Owing to safety principles that have evolved over 100-odd years you hardly notice them.  When they fail you see serious drama and destruction.

One of the first names in standards setting for the natural gas industry in the United States is the American Gas Association (AGA) which represents companies delivering natural gas safely, reliably, and in an environmentally responsible way.  From the AGA vision statement:

“….(AGA) is committed to leveraging and utilizing America’s abundant, domestic, affordable and clean natural gas to help meet the nation’s energy and environmental needs….”

We do not advocate in natural gas standards at the moment but AGA standards do cross our radar because they assure energy security to the emergent #SmartCampus.  We find AGA standards referenced in natural gas service contracts (for large district energy plants, for example) or in construction contracts for new buildings.  As with all other energy technological developments we keep pace with, improvements are continual even though those improvements are known to only a small cadre of front line engineers and technicians.

AGA has released seventeen redlines containing proposed changes to one of its parent documents for natural gas delivery”  GPTC Z380.1 Guide for Gas Transmission, Distribution, and Gathering Piping Systems. The redlines are listed in the link below:

American Gas Association Standards Public Review Home Page

Public consultation on the 2027 National Fuel Gas Code closes June 4, 2024.

You may obtain an electronic copy from: https://www.aga.org/research/policy/ansi-public-reviews/.  Comments should be emailed to Betsy Tansey GPTC@aga.org, Secretary, ASC GPTC Z380. Any questions you may have concerning public reviews please contact Betsy Tansey (btansey@aga.org) as well.

University of Michigan Central Heating Plant

We meet online every day at 11 AM Eastern time to march through technical specifics of all technical consensus products open for public comment.  Feel free to click in.   Also, we meet with mechanical engineering experts from both the academic and business side of the global education community once per month.  See our CALENDAR for our next Mechanical Engineering monthly teleconference; open to everyone.

Issue: [19-27]

Category: Energy, Mechanical, Risk Management

Colleagues: Mike Anthony, Richard Robben, Larry Spielvogel

5.5.20

6.23.20

https://share.ansi.org/Shared%20Documents/Standards%20Action/2019-PDFs/SAV5052.pdf

Optimal Dispatch of Electricity-Gas Systems

January 23, 2024
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北京清华大学

A Dynamic Equivalent Energy Storage Model of Natural Gas Networks for Joint Optimal Dispatch of Electricity-Gas Systems

Siyuan Wang, et. al

Department of Electrical Engineering, Tsinghua University, Beijing, China

Abstract:  The development of energy conversion techniques enhances the coupling between the gas network and power system. However, challenges remain in the joint optimal dispatch of electricity-gas systems. The dynamic model of the gas network, described by partial differential equations, is complex and computationally demanding for power system operators. Furthermore, information privacy concerns and limited accessibility to detailed gas network models by power system operators necessitate quantifying the equivalent energy storage capacity of gas networks. This article proposes a multi-port energy storage model with time-varying capacity to represent the dynamic gas state transformation and operational constraints in a compact and intuitive form. The model can be easily integrated into the optimal dispatch problem of the power system. Test cases demonstrate that the proposed model ensures feasible control strategies and significantly reduces the computational burden while maintaining high accuracy in the joint optimal dispatch of electricity-gas systems. In contrast, the existing static equivalent model fails to capture the full flexibility of the gas network and may yield infeasible results.

Related:

Interdependent Water & Electricity Networks

Electric Power Availability: Cold Weather Preparedness

Design & Operation of Health Care Facilities

January 23, 2024
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The pandemic provides background for the importance of ventilation systems in healthcare settings and reminder that there is plenty of work to do.  The scope of ASHRAE 189.3 – Design, Construction and Operation of Sustainable High Performance Health Care Facilities — lies in this domain:

Purpose.  The purpose of this standard is to prescribe the procedures, methods and documentation requirements for the design, construction and operation of high-performance sustainable health care facilities.

Scope.This standard applies to patient care areas and related support areas within health care facilities, including hospitals, nursing facilities, outpatient facilities, and their site.  It applies to new buildings, additions to existing buildings, and those alterations to existing buildings that are identified within the standard.  It provides procedures for the integration of sustainable principles into the health care facility design, construction and operation process including:

    1. integrated design
    2. conservation of water
    3. conservation of energy
    4. indoor environmental quality
    5. construction practices
    6. commissioning
    7. operations and maintenance

Noteworthy: Related title ASHRAE/ASHE Standard 170 Ventilation of Healthcare Facilities

No redlines have been released for public consultation at this time.  We maintain this title on the standing agenda of our periodic Health, Energy and Mechanical colloquia.  See our CALENDAR for the online meeting; open to everyone.

October 9 Update

As of the date of this post, two redlines have been released for public consultation

Proposed Addendum L to Standard 170-2021, Ventilation of Health Care Facilities

Proposed Addendum i to Standard 170-2021, Ventilation of Health Care Facilities

The consultation closes October 29th.

Other redlines are released and posted at the link below:

Public Review Draft Standards / Online Comment Database

Because this title is administered on ASHRAE’s continuous maintenance platform, public consultations run 30 to 45 days.   You may also submit an original idea to the ASHRAE standards development enterprise.  CLICK HERE to get started.

We maintain this title on the standing agenda of our periodic Health, Energy and Mechanical colloquia.  See our CALENDAR for the online meeting; open to everyone.

"The trained nurse has become one of the great blessings of humanity, taking a place beside the physician and the priest" - William Osler"While we try to teach our children all about life, our children teach us what life is all about" - Angela Schwindt "The true art of pediatrics lies not only in curing diseases but also in preventing them" - Abraham JacobiGermany

 

Issue: [Various]

Category: Mechanical, Electrical, Energy, Facility Asset Management

Colleagues:  David Conrad, Richard Robben, Larry Spielvogel

Workspace / ASHRAE

Bei Mir Bist Du Shein

January 22, 2024
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https://www.facebook.com/groups/1047443902455259/permalink/1182140308985617/

Università del caffè

January 22, 2024
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Illycaffè — commonly known as “Illy” — is an Italian coffee company sets high standards in the art and science of coffee culture.  Founded by Francesco Illy in Trieste, Italy, in 1933, the company collaborates with artists to create innovative coffee-related products

c

Un mondo fatto bene

Language Proficiency

January 22, 2024
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“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.

A Translator’s Journey

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

A Procedure to Estimate the Energy Requirements for Lighting

January 22, 2024
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A Procedure to Estimate the Energy Requirements for Lighting

Giuseppe Parise – Luigi Martirano – Luigi Parise

Sapienza, University of Rome

Abstract:  The amount of the electrical energy used for the interior lighting of medium and large buildings is generally considerable. The European Standard EN15193 was devised to establish conventions and procedures for the estimation of energy requirements of lighting in buildings by an energy performance numeric indicator. This methodology is based on the three derating factors that consider the influence of the daylight exploitation, the occupancy behavior and, if present, of a constant illuminance sensor. The factors are evaluated by a statistical approach on the basis of general reference data tabulated by the same Standard, not considering more detailed parameters of the control system that can impact severely in the effective energy savings. The Standard methodology appears extremely useful for a preliminary evaluation. For a more accurate evaluation, this paper suggests an improvement of the procedure that considers the effective operation time and occupancy behavior, the type of control and lamps, the number of control groups, the technique of modulation (dimming or switching), and the delay in turning off. The suggested procedure is compared with the Standard one to highlight the improvements.

CLICK HERE to order complete paper

Related:

Energy performance of interior lighting systems

Energy performance of buildings: An useful procedure to estimate the impact of the lighting control systems

Topology of Continuous Availability for LED Lighting Systems

Evensong “Gymnopedie”

January 21, 2024
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Northern Ireland Standards and Calibration Laboratory

Northern Ireland

Quantum Information Science

January 21, 2024
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Quantum information science is a field of study that combines the principles of quantum mechanics and information theory to develop new methods for processing, storing, and transmitting information. It aims to use the unique properties of quantum systems, such as superposition and entanglement, to create more powerful and secure computing and communication technologies than are possible with classical systems.

In quantum information science, information is represented using quantum bits, or qubits, which can exist in superposition states, allowing for simultaneous processing of multiple values. By entangling qubits, it is possible to perform operations on them collectively, leading to faster and more efficient computation.

The field of quantum information science was founded in the 1980s and 1990s by a number of researchers who realized that the principles of quantum mechanics could be used to develop new methods for processing, transmitting, and securing information. Some of the key figures who are credited with founding the field of quantum information science include:

  1. Paul Benioff: In 1981, Benioff proposed the concept of a quantum computer, which would use quantum mechanics to perform calculations faster than a classical computer.
  2. Richard Feynman: In 1982, Feynman gave a lecture in which he proposed the idea of using quantum systems to simulate the behavior of other quantum systems, which later became known as quantum simulation.
  3. David Deutsch: In 1985, Deutsch proposed the concept of a quantum algorithm, which would use quantum mechanics to perform certain calculations exponentially faster than a classical computer.
  4. Peter Shor: In 1994, Shor developed a quantum algorithm for factoring large numbers, which demonstrated the potential of quantum computers to break certain encryption schemes and sparked a renewed interest in quantum information science.

These and other researchers made significant contributions to the development of quantum information science, and the field has since grown to encompass a wide range of topics, including quantum cryptography, quantum communication, and quantum sensing, among others.

 

Quantum Theory of the Electron: Paul Dirac

 

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