by Dan Robles | Feb 7, 2026 | Blog
Prepared by Daniel R. Robles, PE, MBA Originally published: January 2013 Updated: March 2021 Based on the information herein, this professional engineer does not recommend blow-in epoxy liner for any pressurized domestic potable water pipe service unless full verified...
by Dan Robles | Nov 11, 2025 | Architecture & Building
Domestic water supply applications of Polypropylene (PPR) have been commercialized largely under the Aquatherm trade name and manufactured in Germany. After a period of reportedly reliable performance in Europe, Aquatherm began to market the product in Australia,...
by Dan Robles | Aug 19, 2025 | Blog
Across every engineering discipline—mechanical, civil, electrical, chemical, and beyond—we stand at an inflection point. Artificial intelligence is advancing rapidly, reshaping the way we design, analyze, and deliver. Yet amidst this progress, one fact remains...
by Dan Robles | May 23, 2025 | Blog
As a property owner, building manager, or real estate professional, understanding your building’s fire sprinkler system is essential for both safety and financial protection. CPVC (chlorinated polyvinyl chloride) sprinkler pipes have become the standard in many...
by Dan Robles | May 25, 2024 | Blog
The integration of Artificial Intelligence (AI) in engineering disciplines has brought about significant advancements, but it also necessitates the involvement of engineers to ensure safety, reliability, and productivity. This article explores specific areas where...
by Dan Robles | May 24, 2024 | Blog
The notion that the laws of nature supersede the laws of man is a profound philosophical concept that has been debated for centuries. At its core, this idea recognizes the fundamental truth that the natural world operates according to immutable principles that...
by Dan Robles | May 15, 2024 | Blog
With increased roles of Artificial Intelligence and Machine Learning algorithms, “Humans-in-the-Loop” will become an increasingly important role for engineers. As arbiters of the Natural Laws, the consequences of failures can be catastrophic and life...
by Dan Robles | Feb 7, 2024 | Blog
The Virtuous Circle The purpose of the virtuous circle concept is to introduce how the Innovation Bank will integrate with existing financial networks for increased efficiency to make the production cycle more efficient and more responsive to systemic risk. The point...
by Dan Robles | Sep 8, 2023 | Blog
Aquatherm piping is a relatively new entry as a plumbing pipe material in the United States. It was first introduced in Europe several decades ago and seems to have performed well there. Aquatherm pipes and couplings are made from of PPR, a (polypropylene-random...
by Dan Robles | Jul 27, 2023 | Blog
Beware of Predatory STR Management Companies (Part 2) So you have decided to look for a short term rental management company to handle your vacation home when you are not using it. There is nothing wrong with the hands-off approach except if you yourself fall into...
