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Mechanical 100
ANSI Standards Action: January 26, 2024
“Maison tournante aérienne” 1883 Albert Robida
During today’s colloquium we audit the literature that sets the standard of care for mechanical engineering design, construction operations and maintenance. Mechanical systems — which includes building service engineering* — runs upwards of 35 percent of new building construction. After architectural disciplines that produce the building envelope, the mechanical disciplines dominate technical considerations for building and maintaining education community physical spaces. The requirements that affect cost change on a near-daily basis and now given heightened scrutiny of building air flow patterns with the circumstances of the pandemic.
For the moment, we co-locate plumbing and mechanical system consensus products in the same group.
We track standards setting in the bibliographies of the following organizations:
AHRI | Air Conditioning, Heating & Refrigeration Institute
AIHA | American Industrial Hygiene Association
ASHRAE | American Society of Heating & Refrigeration Engineers
ASME | American Society of Mechanical Engineers
ASPE | American Association of Plumbing Engineers
ASTM | American Society for Testing & Materials
AWS | American Welding Society
AWWA | American Water Works Association
AHRI | Air Conditioning, Heating & Refrigeration Institute
IAPMO | International Association of Plumbing and Mechanical Officials
ICC | International Code Council
IEC | International Electrotechnical Commission
IMC | International Mechanical Code
IPC | International Plumbing Code
ISEA | International Safety Equipment Association
ISO | International Organization for Standardization
NFPA | National Fire Protection Association
SEFA | Scientific Equipment & Furniture Association
SMACNA | Sheet Metal Contractors National Association
UL | Underwriters Laboratories
(All relevant OSHA Standards)
It is a large domain. Through 2024 we will break down our inquiries thus:
Mechanical 200: Case studies
Mechanical 330: District energy
Mechanical 400: Commissioning
* Building services engineers are responsible for the design, installation, operation and monitoring of the technical services in buildings (including mechanical, electrical and public health systems, also known as MEP or HVAC), in order to ensure the safe, comfortable and environmentally friendly operation. Building services engineers work closely with other construction professionals such as architects, structural engineers and quantity surveyors. Building services engineers influence the architectural design of building, in particular facades, in relation to energy efficiency and indoor environment, and can integrate local energy production (e.g. façade-integrated photovoltaics) or community-scale energy facilities (e.g. district heating). Building services engineers therefore play an important role in the design and operation of energy-efficient buildings (including green buildings, passive houses and zero energybuildings. uses. With buildings accounting for about a third of all carbon emissions] and over a half of the global electricity demand, building services engineers play an important role in the move to a low-carbon society, hence mitigate global warming.
LEARN MORE:
George Herman Babcock — through his patents of pumps, steam engines, and novel boiler designs with collaborator Stephen Wilcox — raised the standard for safe boiler design & operation.https://t.co/qakAw4jfCn pic.twitter.com/3rCxXHkBfM
— Standards Michigan (@StandardsMich) October 21, 2020
International Mechanical Code
“Plaza Italia” 1971 | Giorgio de Chirico
After architectural trades, the mechanical technologies occupy the largest part of building construction:
- HVAC:
- Heating Systems: Technologies include furnaces, boilers, heat pumps, and radiant heating systems.
- Ventilation Systems: Incorporating technologies like air handlers, fans, and ductwork to ensure proper air circulation.
- Air Conditioning Systems: Including central air conditioning units, split systems, and variable refrigerant flow (VRF) systems.
- Plumbing:
- Water Supply Systems: Involving technologies for water distribution, pumps, and pressure regulation.
- Sanitary Systems: Including drainage, sewage systems, and waste disposal technologies.
- Fixtures and Faucets: Incorporating technologies for sinks, toilets, showers, and other plumbing fixtures.
- Fire Protection:
- Fire Sprinkler Systems: Employing technologies like sprinkler heads, pipes, pumps, and water tanks.
- Fire Suppression Systems: Including technologies such as gas-based or foam-based suppression systems.
- Energy Efficiency Technologies:
- Energy Management Systems (EMS): Utilizing sensors, controllers, and software to optimize energy consumption in HVAC systems.
- Energy Recovery Systems: Incorporating technologies like heat exchangers to recover and reuse energy from exhaust air.
- Building Automation (BAS):
- Control Systems: Using sensors, actuators, and controllers to manage and automate various mechanical systems for optimal performance and energy efficiency.
- Smart Building Technologies: Integrating with other building systems for centralized control and monitoring.
- Materials and Construction Techniques:
- Piping Materials: Selecting appropriate materials for pipes and fittings based on the application.
- Prefab and Modular Construction: Leveraging off-site fabrication and assembly for mechanical components.
Our examination of the movement in best practice in the mechanical disciplines usually requires an understanding of first principles that appear in the International Building Code
2024 International Mechanical Code
Current Code Development Cycles (2024-2026)
2024/2025/2026 Code Development Schedule
| “On the Mechanical Equivalent of Heat” | 1850 James Prescott Joule | Proceedings of the Royal Society of London |
Representative Design Guidelines:
US Department of Energy: Sandia National Laboratories
Related:
ICC Releases 2024 International Codes
We are waiting for the link to the Complete Monograph for the Group A cycle in which one of our proposals (Chapter 27 Electrical) will be heard at the April 2023 Committee Action Hearings in Orlando.
Superceded:
Because of the larger, disruptive concepts usually require more than one revision cycle — i.e. 3 to 9 years — it is wise to track those ideas in the transcripts of public hearings on the revisions. For example, the ICC Group A Committee Action Hearings were completed (virtually) in May 2021. The complete monograph of proposals is linked below:
2021 Group A Complete Proposed Changes
Transcript of committee response is linked below:
2021 REPORT OF THE COMMITTEE ACTION HEARINGS ON THE 2021 EDITIONS OF THE GROUP A INTERNATIONAL CODES
A sample of the topics that need attention that involve the mechanical disciplines (e.g. energy, environmental air, water) :
- Soil gas and carbon monoxide detection and mitigation
- Minimum number of required plumbing fixtures in schools and higher education community facilities
- Fixtures for adult changing stations and gender neutral toilet and bathing facilities
- Fat, oil and grease interceptors in kitchens
- Dormitories, residence halls
There are others ideas that can be tracked in the most recent Group B Hearings included April 6th:
Proposals for the 2024 IMC revision will be accepted until January 7, 2024. We maintain this title among our core titles during our periodic Mechanical teleconferences. See our CALENDAR for the next online meeting; open to everyone.
2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE
Issue: [Various]
Colleagues: Mike Anthony, Richard Robben, Larry Spielvogel
Group A includes the following codes:
- International Building Code (IBC) – Egress, Fire Safety, General Portions
- International Fire Code (IFC)
- International Fuel Gas Code (IFGC)
- International Mechanical Code (IMC)
- International Plumbing Code (IPC)
- International Private Sewage Disposal Code (IPSDC)
- International Residential Code (IRC) – Mechanical, Plumbing
- International Swimming Pool and Spa Code (ISPSC)
- International Zoning Code (IZC)
- International Property Maintenance Code (IPMC)
- International Wildland-Urban Interface Code (IWUIC)
ICC Code Development Process: Important Links
Standards January: Language
“Language is the only homeland”
— Czesław Miłosz (Nobel Laureate, 1980)
Aphrodite and Hermes (Messenger of the gods)
We could hasten agreement on technical solutions if partisans setting best practice standards could agree upon what we are talking about. Then again, the meaning of This or That can only be understood in context. All too frequently, when opposing partisans sense they are on the losing side of debate, they change the vocabulary or the fact set and we have to start all over again.
We gather our work on language standards over the past 30-odd years, starting with the definition of “Service Point” in the 1999 National Electrical Code and the 2002 National Electric Safety Code. In recent years, engineers have been challenged by finding common agreement on what a “microgrid” is. The dynamics of the struggle for competing stakeholders to agree on how to make educational settlements simpler, safer, lower-cost and longer-lasting is virtually identical to the struggle to agree on the meaning of modern English language in other domains.
The term “political correctness” was given currency when President George H.W. Bush explained the peril at the University of Michigan in 1992. Its peril has only expanded since.
Definition: “Developed versus Developing Country”
Electropedia: The World’s Online Electrotechnical Vocabulary
Noam Chomsky (University of Pennsylvania Doctoral Thesis): Transformational Analysis
Hilary Clinton Suddenly Speaks African American English Whilst Quoting the Bible
Bloomberg Originals: Hilary Clinton’s Accent Evolution
|
“I shall always be a common ignorant girl, and in my station I have to be respectable.” — Eliza Doolittle, from Pygmalion (George Bernard Shaw) |
Western Michigan University: My Fair Lady (Livecast from Lincoln Center)
DEI: Democrat President Joe Biden’s United States Supreme Court Appointment Does Not Know the Definition of “Woman”
African-American Vernacular English and education
“A great deal of intelligence can be invested in ignorance
when the need for illusion is deep.”
ASHRAE Terminology: A Comprehensive Glossary of Terms for the Built Environment
Jean Piaget:”The Language and Thought of the Child” (1926)
Today @landgeist shows us the second most taught foreign language in Secondary School across Europe. English is the number one. French still going strong. Eastern Europe studies German. Source: https://t.co/sU6xtA0X4S pic.twitter.com/X5pVUGyyWf
— Simon Kuestenmacher (@simongerman600) January 12, 2024
Daniel Patrick Moynihan: “The Negro Family: The Case for National Action”
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/njrDAbSpwB pic.twitter.com/GkAXrHoQ9T
— USPTO (@uspto) July 13, 2023
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