by Dudley J. Primeaux II, PCS, CCI; and Todd Gomez, PCS; VersaFlex Inc.
Polyurea technology is not new to pipelining work, with earlier applications performed by hand spraying or simple robotic systems. In this article, the authors explore developments in robotic polyurea spray technologies for in-place pipeline rehabilitation.
Visual surface preparation standards are subject to individual interpretation by owners, inspectors and contractors. This article discusses potential ambiguities and provides insight into preventing disagreements, delays and costly reblasting.
I have several 20-year-old carbon steel tanks for storing demineralized water. The original coating (type unknown) has started to blister. What material should be used (and at what DFT) to refurbish the coating?