Whether through press releases, magazines and publications, podcasts, research papers or social media, we do our best to keep you informed about all that is happening within The IAPMO Group. Check this page regularly to stay up-to-date on all things IAPMO.
The Castle Rock, Colorado, town council has approved the adoption of IAPMO’s Uniform Plumbing Code (UPC®) Appendix M — the Water Demand Calculator® — as an alternative methodology for sizing water pipes in single- and multifamily buildings. The Castle Rock Town Code has been amended to require the use of the Water Demand Calculator for sizing water service lines and internal plumbing supply lines.
IAPMO® is seeking applicants to serve as technical experts on the Water Efficiency and Sanitation Standard (WE-Stand) task groups.
IAPMO® is seeking applicants to serve as technical experts on the Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC) task groups.
As a publication produced by IAPMO for public distribution, Official provides cutting-edge news and views of association leadership and is the first source for breaking information on proposed code changes and other developments. Official is read by some of the most influential members of the construction industry and related manufacturers.
Working Pressure, official magazine of ASSE International, is a quarterly magazine distributed in print to ASSE International members and online to the public and ASSE-certified professionals. Working Pressure covers the full demographic range of our readers, which includes backflow prevention, plumbing/mechanical, water quality, HVAC, fire protection, medical gas, and water utility.
BP Journal’s content focuses on cross-connection control and backflow prevention, including articles about municipal water programs, cross-connection industry news and updates, along with backflow testing and repair issues. It also highlights product innovations, cross-connection control regulations, and other topics vital to the irrigation, design, inspection, fire protection, plumbing, and mechanical aspects of backflow prevention and cross-connection control.
UniformCodes.org is a public-facing resource created to explain plumbing and mechanical codes, and their impact on communities. Visitors can learn about Uniform Plumbing Code® (UPC) and Uniform Mechanical Code®, plumbing resiliency, and more through articles, guides, and free downloads.
Check out the latest episode of The Authority Podcast
In this episode, we discuss the General Services Administration (GSA) order to address the risk of Legionella and other waterborne pathogens in the water systems of GSA-controlled buildings. The GSA, which owns 1,600 federal buildings and leases space in over 6,500 buildings nationwide, was spurred to action after detecting elevated levels of Legionella bacteria at six GSA-controlled buildings in different regions since 2023. Our guest Dr. Abraham Cullom, a microbiologist with expertise in plumbing systems, talks about the GSA order and the urgent need to stay on top of emerging best water quality practices for plumbing systems to protect building occupants.
Get the latest research from The IAPMO Group
Adaptive reuse of commercial office spaces to residential multifamily offers opportunities to ease some of the housing shortage in the US. These types of construction projects have many challenges, from zoning restrictions, financing, and also controlling construction costs. Construction costs specifically can have a disparate impact on whether an adaptive reuse project is possible, let alone successful. Therefore, flexibility during the construction process is vital to the success of an adaptive reuse project. Codes for plumbing and mechanical systems that support design versatility and science-based methods, such as the Uniform Codes, will be essential for controlling construction expenses.
The sizing for storm drainage systems are dependent upon flow capacity equations used to calculate velocities and flow rates in pipe conduits. One of the variables in the equations is the coefficient of roughness. This paper explores how the roughness of different types of material will change the computational results that are dependent upon the roughness coefficient of the pipe.
In calculating peak water demand, there can be instances where an increase in fixture count results in a decrease in the expected peak demand. This white paper explains why this counterintuitive result can occur, especially when there is some probability of stagnation (i.e., zero demand). Using IAPMO’s Water Demand Calculator (WDC), we are not designing with zero flow in mind; hence, zero flows are ignored, and the 99th percentile is extracted from actual flows for any combination of busy fixtures.
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