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Preparing and Lining Concrete For Immersion Service Steps and Procedures To Avoid Failures

Preparing and Lining Concrete For Immersion Service Steps and Procedures To Avoid Failures
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The practice of lining concrete substrates has increased exponentially over the past thirty (30) years, most notably in the wastewater treatment industry. Environmental regulations, coupled with changes to treatment processes, have resulted in far more severe environments in which concrete can and will corrode. 

Product Number: 41213-768-SG
Author: Bob Maley
Publication Date: 2013
Industries: Coatings , Coatings and Linings
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The practice of lining concrete substrates has increased exponentially over the past thirty (30) years, most notably in the wastewater treatment industry. Environmental regulations, coupled with changes to treatment processes, have resulted in far more severe environments in which concrete can and will corrode. Other than the floor coating field, very few Contractors “specialize” in preparing and lining concrete structures as carbon steel lining opportunities far outweigh those of concrete substrates. Accordingly, the majority of craft workers both young and old have far more training and experience preparing and lining steel substrates. It has been the author’s observation that many of the aforementioned craft workers, and in many cases management personnel, do not fully comprehend the difficulty and distinctions inherent to a concrete lining project. A lack of understanding and experience extends beyond the contracting level. Many Engineers, Consultants, and Inspectors do not fully comprehend the idiosyncrasies of lining concrete. When all the aforementioned parties converge upon a complex lining project, the potential for a perfect storm exists. This paper examines many of the common errors that can be avoided and offers practical solutions for prevention.

The practice of lining concrete substrates has increased exponentially over the past thirty (30) years, most notably in the wastewater treatment industry. Environmental regulations, coupled with changes to treatment processes, have resulted in far more severe environments in which concrete can and will corrode. Other than the floor coating field, very few Contractors “specialize” in preparing and lining concrete structures as carbon steel lining opportunities far outweigh those of concrete substrates. Accordingly, the majority of craft workers both young and old have far more training and experience preparing and lining steel substrates. It has been the author’s observation that many of the aforementioned craft workers, and in many cases management personnel, do not fully comprehend the difficulty and distinctions inherent to a concrete lining project. A lack of understanding and experience extends beyond the contracting level. Many Engineers, Consultants, and Inspectors do not fully comprehend the idiosyncrasies of lining concrete. When all the aforementioned parties converge upon a complex lining project, the potential for a perfect storm exists. This paper examines many of the common errors that can be avoided and offers practical solutions for prevention.

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