Plumbing systems engineering and design are better with group collaboration. I was in the U.S. Navy, and the Seabee’s motto is, “Construimus, Batuimus,” which means “We Build, We Fight.” We are trained to fight and defend what we build.

As an engineering manager, I have a responsibility to maintain a high level of quality in our “product.” But it’s my opinion that consulting engineers don’t really have a product. You might counter with — drawings and specifications are our product, are they not? Yes and no. Allow me to explain.

In October 2023, the United States (U.S.) code development bodies will begin development activities for the 2027 versions of the U.S. model codes. 

ades of dealing with hydronic systems, I’ve confirmed two characteristics that always govern their operation. Both are rooted in the tenants of thermodynamics. Neither should be thought of as mysterious. 

PPI MS-7 includes detailed specifications for four plastic piping materials which have been proven in ground-source heat exchange systems: HDPE, PE-RT, PEX, and PP (PP-R and PP-RCT).

Mechanical engineering is an integral part of both HVACR (Heating, Ventilating, Air-Conditioning and Refrigeration) and plumbing. While both disciplines utilize the same science and engineering principles, their application diverges depending on the system under consideration. A prime example of this is the “wet” piping system that moves water through the piping network.

This month of June, six months into 2023, is a great time to review the activities of Standards Development Organizations, or SDOS. These organizations develop standards through voluntary consensus processes for product performance and safety, services, processes, systems and personnel.

Those who evaluate the performance of HVAC source equipment such as boilers, furnaces and heat pumps have to work with a wide variety of acronyms. Some of them were spawned by government bureaucrats, mostly the U.S. Department of Energy (DOE). Others were created through a consensus process based on input from manufacturers and other industry stakeholders.

My last two columns discussed both chemical and non-chemical additives or technologies that I treat as “must consider” for plumbing engineers in their design practices to reduce the risk of Legionella bacteria developing in the domestic water system. As I mentioned, these topics might not be a code minimum requirement, but as an engineering community, we have a responsibility to uphold the health and safety of the public. Therefore, we should discuss these technologies with our clients for many different building types we come across in our design.

If you follow me on LinkedIn, you know I am passionate about advocating for plumbing engineers and designers. I have regularly written about the need for plumbing engineers, especially in solving our various water crises and improving our medical gas systems. The lesson is clear: plumbing systems are continually increasing in complexity.