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bridge staining coatings
Bridges
Coating Failure
Posted by Cindy O'Malley - June 29, 2018

Investigating Failure: Considerations for Reconstruction of a Bri

When a large-scale bridge is in need of significant reconstruction, many factors should be considered prior to initiation of the project. Part of this particular reconstruction involved repainting of the structural steel on a 40-f...

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Lab Testing
Pipeline Coatings
Posted by Carly McGee - June 22, 2018

One-sided Cell Exposure Testing: For What Purpose?

Coatings technology for lining of tanks, piping, and vessels has rapidly advanced in recent years. Extremely tightly-crosslinked coatings are relatively impermeable, and specialty resins and pigments are formulated into linings sp...

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Bridges
Corrosion
Posted by Bill Corbett - June 8, 2018

Weathering Steel – Use and Preparation When Left Uncoated a

Weathering steel, often referred to by the genericized trademark COR-TEN steel, is a group of steel alloys developed to form a stable corrosion-resistant surface after several years exposure to weather, potentially eliminating the...

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Health & Safety
Posted by Dan O'Malley - May 25, 2018

Making a Case for Environmental, Health & Safety Special Pro

Many facility owners, particularly public agencies, have a standard specification for lead paint removal projects that has stood the test of time, and that likely went through a rigorous review process to get to the final version ...

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Podcast
Surface Profile
Posted by Jason Weslager - May 21, 2018

KTA Podcast #5 – Surface Profile Measurement – Replic

This podcast covers measuring surface profile and discusses two fundamentally different methods for measuring profile. Panelists discuss some of the complications that may occur when using both methods on the same job. The video (...

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Lab Testing
Surface Cleanliness
Posted by Chad Quatman - May 11, 2018

Evaluating the Performance Characteristics of Abrasive Media

Abrasive blast cleaning is the process by which an abrasive media is propelled through hoses and a blast nozzle by means of compressed air. The abrasive exits the nozzle at a high rate of speed (velocities approaching 650 – 1,700 ...

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Coating Failure
Posted by Rick Huntley - May 8, 2018

Airport Jet Fuel Piping Lining Issues

An international airport was in the midst of an expansion project. As part of the project, 24-inch-diameter jet fuel piping was being installed by a subcontractor hired by the general contractor that was directly hired by the owne...

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Coating Standards
Inspection
Posted by Dan Chasky - May 4, 2018

Holiday Detection and Dielectric Strength Issues

Introduction When applying coating system to structures such as bridges, tanks, and pipelines the main goal is to apply a continuous film to help prevent structural deterioration throughout the life of the structure. Unaddressed d...

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Inspection
Surface Cleanliness
Posted by John Todd - April 27, 2018

What is a “Dust-Free Surface?” ISO Method Versus Prac

When a coating system fails prematurely, it is rarely because of the coating itself. Either the surface preparation was inadequate, the surface was contaminated, or the coating was mixed or applied incorrectly. As the old adage go...

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Maintenance Painting
Podcast
Posted by Jason Weslager - April 23, 2018

Podcast #4 – Maintenance Painting vs. Remove & Replace

KTA Professional Engineers and Senior Consultants Jay Helsel & Mike Reina discuss maintenance painting including when to touch-up, overcoat, or remove & replace the coating. Scenarios are posed as the two discuss their pos...

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