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Morning Shower (And All That)

Complete Monograph: 2024 GROUP A PROPOSED CHANGES TO THE I-CODES

Annual Conference Home Page

“The Bathing Pool” | Hubert Robert (1733–1808)

CLICK IMAGE to access complete text

Design Considerations for Hot Water Plumbing

Baseline Standards for Student Housing

2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE

Indoor plumbing has a long history, but it became widely available in the 19th and early 20th centuries. In the United States, for example, the first indoor plumbing system was installed in the Governor’s Palace in Williamsburg, Virginia in the early 18th century. However, it was not until the mid-19th century that indoor plumbing became more common in middle-class homes.

One important milestone was the development of cast iron pipes in the 19th century, which made it easier to transport water and waste throughout a building. The introduction of the flush toilet in the mid-19th century also played a significant role in making indoor plumbing more practical and sanitary.

By the early 20th century, indoor plumbing had become a standard feature in most middle-class homes in the United States and other developed countries. However, it was still not widely available in rural areas and poorer urban neighborhoods until much later.

International Plumbing Code

Form v. Function | Function v. Form

International Mechanical Code

2024 / 2025 / 2026 Code Development: Group B (2025)

“Plaza Italia” 1971 | Giorgio de Chirico

 

After architectural trades, the mechanical technologies occupy the largest part of building construction:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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:

Michigan State University

Florida State University

US Department of Energy: Sandia National Laboratories

Related:

ICC Releases 2024 International Codes

Group A Model Building 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:

LIVE: I-Code Group B Public Comment Hearings

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.

"Microgrids represent a transformational opportunity in how energy is generated, delivered, and consumed" - Robert F. Kennedy, Jr.

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

 

Workspace / ICC

 

 

 

 

 

Stairway Design & Construction

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International Plumbing Code

The International Plumbing Code (IPC) is developed to harmonize with the full span of ICC’s family of building codes.  The IPC sets minimum regulations for plumbing systems and components to protect life, health and safety of building occupants and the public. The IPC is available for adoption by jurisdictions ranging from states to towns, and is currently adopted on the state or local level in 35 states in the U.S, the District of Columbia, Guam, and Puerto Rico.

CLICK HERE for the 2021 Public Access Edition 

SOURCE: CLICK ON IMAGE | Contact ICC for most recent IPC adoption map

 

The IPC is developed in the ICC Group A Code development framework and concluded its revision cycle in late 2021 under the circumstances of the pandemic.  The 2023 International Plumbing Code revision cycle will not begin until early 2023 but it is never too soon to understand the issues from previous revision cycles to enlighten approaches to the forthcoming Group A revision cycle.   The complete monograph of the Group A Codes is linked below, with comments on IPC proposals starting on Page 1417 of this 1613 page document:

2021 IPC | Group A Public Comment Monograph

Because transgender issues are on the agenda of many facility managers we direct you to Page 1424 of the rather large document linked above.

As always, we persist in encouraging education industry facility managers (especially those with operations and maintenance data) to participate in the ICC code development process.  You may do so by CLICKING HERE.

Real asset managers for school districts, colleges, universities and technical schools in the Las Vegas region should take advantage of the opportunity to observe the ICC code-development process during the upcoming ICC Annual Conference in Las Vegas, October 20-23 during which time the Group B c Public Comment Hearings will take place.  Even though the IPC has moved farther along the ICC code development process it is still enlightening to observe how it work.   The Group B Hearings are usually webcast — and we will signal the link to the webcast when it becomes available — but the experience of seeing how building codes are determined is enlightening when you can watch it live and on site.

Issue: [16-133]

Category: Plumbing, Water, Mechanical

Colleagues: Eric Albert, Richard Robben, Larry Spielvogel

#StandardsNewMexico

 

LEARN MORE:

Neutral Public Bathroom Design

Brickwork

2025 International Building Code Group B Committee Action Agenda: Complete Monograph (2630 Pages)

More outdoor firepits in educational settlements

“American Bricklayer” 1904 | Alice Ruggles

 

Robert Frost: "Some say the world will end in fire, some say in ice."

North Dakota State University | Cass County

International Building Code § 303.4: Places of Religious Worship

Occupancy classification is a first principle in all International Code Council consensus products.   Chapels and churches associated with educational institutions are grouped with all other “Places of Religious Worship” in Section 303.4 Assembly Group A-3.  You may find the text of this section in the current 2024 edition in the link below:

2024 International Building Code | Section 303 | Assembly Group A

For the next few weeks we will sort through issues appearing in the transcript below:

2025 Group B Committee Action Agenda (2630 Pages)

Recent incidents in the tragic city of Minneapolis inspire revisiting the standards of care listed below:

Targeted Violence and Active Shooters: Incidents like mass shootings have increased, with 54% of attacks on U.S. houses of worship involving armed assaults, often motivated by religious or racial hatred (67% of cases). Comprehensive emergency plans and training are critical.

Vandalism and Arson: These are common, with over 400 attacks on U.S. churches since 2020, including property damage and desecration. Surveillance cameras and regular security audits can deter such acts.

Theft: Donation boxes, religious artifacts, and personal belongings are frequent targets. Access control and monitoring valuables reduce risks.

Cybersecurity Threats: Houses of worship are vulnerable to hacking, ransomware, and data breaches, especially as they rely on digital platforms. Implementing cybersecurity best practices is essential.

Internal Threats: Risks from disgruntled employees or volunteers, including theft or fraud, necessitate thorough background checks and clear protocols for handling sensitive information.

Proactive measures like risk assessments, security teams, and collaboration with law enforcement can mitigate these threats while maintaining a welcoming environment

Related:

Why is the State of Minnesota such a hot mess?

 

Electric Vehicle Charging

GROUP A MODEL BUILDING CODES: Comments on Committee Actions will be received until July 8th

International Building Code Chapter 4, Section 406.2.7

Edison electric vehicle | National Park Service, US Department of the Interior

 

Free public access to the 2021 edition of the International Energy Conservation Code (IECC) is linked below:

2021 International Energy Conservation Code

 

Electric vehicle charging stations are addressed in the 2024 International Energy Conservation Code (IECC) within two specific appendices:

Appendix RE: This appendix provides detailed requirements for electric vehicle charging infrastructure, focusing on both residential and commercial buildings. It includes definitions and infrastructure standards to ensure that new constructions are equipped to support electric vehicle charging​

Appendix CG: This appendix offers guidance on electric vehicle power transfer and charging infrastructure, emphasizing the integration of EV-ready requirements into building designs. It outlines the necessary provisions for installing and managing EV charging stations, ensuring compliance with energy conservation standards​

.These appendices are part of the broader efforts to incorporate EV infrastructure into building codes, promoting energy efficiency and supporting the transition to electric vehicles.

Recharging infrastructure at at Google’s Mountain View (California) campus | Pretty ugly, eh?

“Gas” 1940 Edward Hopper

This standard will be updated within a reconfigured code development cycle linked below:

2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE

Keep in mind that many electric vehicle safety and sustainability concepts will track in other titles in the ICC catalog.   It is enlightening to see other energy related proposals tracking in the most recent Group A code revision cycle

The following proposals discussed during the Group A Hearings ended earlier this month are noteworthy:

IBC § 202 (NEW) | G66-21 |  Electrical mobility definitions

IBC § 1107.2, et al | E124-21 & E125-21 & E126-21 |  Electrical vehicle charging stations for R-2 occupancies.

From the Group B revision cycle — COMPLETE MONOGRAPH:

R309.6 Electric vehicle charging stations and systems. Where provided, electric vehicle charging systems shall be installed in accordance with NFPA 70. Electric vehicle charging system equipment shall be listed and labeled in accordance with UL 2202. Electric vehicle supply equipment shall be listed and labeled in accordance with UL 2594.

IBC 406.2.7 Electric vehicle charging stations and systems. Where provided, electric vehicle charging systems shall be installed in accordance with NFPA 70. Electric vehicle charging system equipment shall be listed and labeled in accordance with UL 2202. Electric vehicle supply equipment shall be listed and labeled in accordance with UL 2594. Accessibility to electric vehicle charging stations shall be provided in accordance with Section 1108.

TABLE R328.5 MAXIMUM AGGREGATE RATINGS OF ESS (Energy Storage Systems) – PDF Page 1476

Incumbents are socking in EV concepts all across the ICC catalog.  We refer them to experts in the Industrial Applications Society IEEE E&H Committee.

 

 

One of the more spirited debates in recent revision cycles is the following:

Who shall pay for electrical vehicle charging infrastructure?   

The underlying assumption is that the electrification of the global transportation grid has a net benefit.   We remain mute on that question; the question of net gain.

Of course, many proposals pointed the finger at the stakeholder with the deepest pockets.  Accordingly, new commercial building owners will be required to install charging stations for new buildings.   During 2018 and 2019 we tracked the action in the workspace below so that we could collaborate with the IEEE Education & Healthcare Facilities Committee:

2021 Electric Vehicle Infrastructure

Given that most higher education facilities are classified as commercial, the cost of charging stations will be conveyed into the new building construction budget unless the unit takes an exception.   Generally speaking, most colleges and universities like to display their electric vehicle credentials, even if the use of such charging stations remains sparse.

Cornell University

Issue: [11-40]

Category: Electrical, #SmartCampus

Colleagues: Mike Anthony, Jim Harvey

* The education industry has significant square footage this is classified as residential; particularly on the periphery of large research campuses.

LEARN MORE:

ICC 2021/2022 Code Development Cycle

The Top 5 Energy Efficiency Proposals for the 2021 IECC

Archive / IECC Electric Vehicle Charging

 

IBC Electrical (Outdoor Lighting)

2025 Committee Action Hearings – Group B #1

Proposal for Performance-Based Building Premise Wiring | Chapter 27): Monograph Page 754

Electrical building — World Columbian Exposition, Chicago, Illinois 1892

The International Code Council bibliography of electrical safety practice incorporates titles published by the National Fire Protection Association which reference electrical safety science titles published by the Institute of Electrical and Electronic Engineers.  The relevant section of the International Building Code is therefore relatively short:

2021 International Building Code: Chapter 27 Electrical

Note that Chapter 27 provides more guidance on managing the hazards created when electricity is absent*.  Since the National Electrical Code is informed by a fire safety building premise wiring culture; absence of electricity is not as great a hazard as when building wiring systems are energized.  (“So they say” — Mike Anthony, who thinks quite otherwise.)

2024/2025/2026 ICC CODE DEVELOPMENT SCHEDULE

2025 GROUP B PROPOSED CHANGES TO THE I-CODES | Complete Monograph (2630 pages)

Although we collaborate most closely with the IEEE Education & Healthcare Facilities Committee (four times monthly in Europe and the Americas) we e encourage our colleagues in education communities everywhere to participate directly in the ICC Code Development process.   CLICK HERE to set up an account.

It is enlightening — and a time saver — to unpack the transcripts of previous revisions of codes and standards to see what concepts were presented, what got discussed; what passed and what failed.  We provide links to a few previous posts that track recent action in the ICC suite relevant to electrotechnologies:

Electric Vehicle Charging

Entertainment Occupancies

K-TAG Matrix for Healthcare Facilities

International Energy Conservation Code

The ICC suite of consensus products are relevant to almost all of our work; everyday.   See our CALENDAR that reflects our Syllabus.  Today we deal with electrical safety concepts because technical committees are meeting from November to January to write the 2023 National Electrical Code.  CLICK HERE to follow the action in more detail.

* The original University of Michigan advocacy enterprise began pounding on National Electrical Code committees to install more power reliability concepts in the 2002 Edition with only modest success.  Standards Michigan has since collaborated with the IEEE Education & Healthcare Facilities Committee to drive “absence-of-power-as-a-hazard” into the National Electrical Code; the 2023 now open for public consultation.

N.B.

Assuming building interior fire safety issues can be managed, one way of getting more electric vehicle charging stations built around campus is to install requirements into the building code — thereby putting the construction cost, operation, maintenance and risk upon real-asset Developers and Owners. Code change submittals for the Group A tranche of titles will be received until January 8, 2024.

 

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

Building Structural Maintenance

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Any multi-story building requires inspection and maintenance of structural steel framework. The steel supports the building’s weight and resists environmental forces like wind and seismic activity. Over time, corrosion, fatigue cracks, or connection failures can weaken the structure, risking collapse. Inspections detect these issues early, while maintenance, like repainting or replacing damaged parts, preserves steel integrity. For student housing, occupant safety is critical, and compliance with building codes reduces liability risks. Neglecting these practices can lead to structural failure, endangering residents and causing costly repairs or legal issues. Regular upkeep ensures safe, long-lasting buildings.
During today’s session we examine the relevant standards with proposed revisions open for public comment.  Use the login credentials at the upper right of our home page.
φ
No single universal code or standard guarantees that buildings will never crack or fail structurally, as structural integrity depends on various factors like design, materials, construction quality, environmental conditions, and maintenance. However, several widely adopted codes and standards aim to minimize the risk of structural failure and ensure safety, durability, and serviceability. These provide guidelines for design, construction, and maintenance to prevent issues like cracking or catastrophic failure.
φ

Key Codes and Standards:

International Building Code (IBC): Widely used in the United States and other regions, the IBC sets minimum requirements for structural design, materials, and maintenance to ensure safety and performance.  It references standards like ASCE 7 (Minimum Design Loads and Associated Criteria for Buildings and Other Structures) for load calculations (e.g., wind, seismic, snow).Maintenance provisions require regular inspections and repairs to address issues like cracking or deterioration.

ACI 318 (Building Code Requirements for Structural Concrete): Published by the American Concrete Institute this standard governs the design and construction of concrete structures.Includes requirements to control cracking (e.g., reinforcement detailing, concrete mix design) and ensure durability under environmental exposure.Maintenance guidelines recommend periodic inspections for cracks, spalling, or reinforcement corrosion.

AISC 360 (Specification for Structural Steel Buildings): Published by the American Institute of Steel Construction, this standard covers the design, fabrication, and erection of steel structures.  Addresses fatigue, connection design, and corrosion protection to prevent structural failure. Maintenance involves inspecting for issues like weld imperfections or coating degradation.

ASCE/SEI 41-17 (Seismic Evaluation and Retrofit of Existing Buildings):  Focuses on assessing and maintaining existing structures, particularly for seismic performance.  Guides retrofitting to address vulnerabilities like cracking or inadequate load paths.
Maintenance Standards
  • ACI 562 (Assessment, Repair, and Rehabilitation of Existing Concrete Structures):
    • Provides a framework for evaluating and repairing concrete structures to address cracking, spalling, or other damage.
    • Emphasizes regular inspections and timely repairs to maintain structural integrity.
  • NACE/SP0108 (Corrosion Control of Offshore Structures):
    • Covers maintenance practices to prevent corrosion-related failures in steel structures.
  • ASTM E2270 (Standard Practice for Periodic Inspection of Building Facades):
    • Outlines procedures for inspecting facades to identify cracking, water infiltration, or other issues that could lead to structural problems.

IEEE: Structural Health Monitoring system based on strain gauge enabled wireless sensor nodes

Steel research in the steel city

Researchers Make Wood Stronger than Steel

Concrete Matters

 

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