David Dexter

May 2024 Professional Engineer’s Perspective: Duplicating Standards Is Not Good for the Industry

May 20, 2024

“Innovation distinguishes between a leader and a follower.” – Steve Jobs It is no secret that I prefer the ANSI-accredited process when it comes to codes and standards development. Over […]

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March 2024 Professional Engineer’s Perspective: Plumbing, What Is It?

March 18, 2024

In today’s world, plumbing infrastructure is critical to public health and sanitation. Plumbing originated during ancient civilizations, as public baths were being developed to serve large numbers of people who […]

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November 2023 Professional Engineer’s Perspective: Some Insight on the PE Exam Process

November 1, 2023

It is November, and the 2023 ASPE Tech Symposium in Bellevue, Washington is a month behind us. As I have done for many years, I attended the biennial Tech Symposium […]

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A Look at ASPE’s Professional Engineer Working Group

October 10, 2023

The ultimate goal of the Society’s initiative is the establishment of a verifiable measure of competency for the discipline of plumbing. by Ronald K. Bartley, PE, CPD, CPI/CPE, FASPE, and […]

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September 2023 Professional Engineer’s Perspective: Why Has the Profession Allowed Various Interests to Produce Differing Model Codes?

September 5, 2023

It is interesting to note that engineering principles are based on science, physics, and mathematics. Regardless of where they are applied, these engineering principles remain unchanged—so why do the plumbing […]

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June 2023 Professional Engineer’s Perspective: What You Should Know About ASPE Design Standards

June 28, 2023

Ever since the official founding of the American Society of Plumbing Engineers on September 18, 1964, its mission has been to be the voice of plumbing engineering to the global […]

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How Design Professionals Can Work with Owners to Keep Private Systems Safe

May 15, 2023

Recently, I wrote an article regarding potable water and backflow protection. Water is something that most of us take for granted, until we cannot find a clean and reliable source. […]

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How Not Understanding Your Systems Can Lead to Life-Threatening Consequences

February 1, 2023

Recently, I was contacted by a colleague regarding my thoughts on IPC (International Plumbing Code) Section 608: Protection of Potable Water Supply. A designer within their office had provided RPZ […]

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Legally, How Do the Responsibilities of Engineers and Designers Differ?

December 1, 2022

The vertical building market includes many different professionals—architects, engineers, designers, contractors, building officials, etc.—and we all have a place within the market. We also have some common interests: protecting the […]

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Plumbing Talking Points: What Is Foundation Drainage and Who Is Responsible for It?

September 13, 2022

Recently, several discussions on ASPE Connect’s Open Forum have explored foundation drainage: Storm Drainage Connecting to Foundation Drainage, Renovating Old Foundation Drain Pipes, and Foundation drain pipe – Plumbing responsible? […]

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