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Maintenance Painting

maintenance painting

Standards Used for Partial Coating Removal During Maintenance Painting

Common methods of maintenance painting have either involved complete removal of existing paint (for example preparing to an  SSPC-SP 10 / NACE No. 2, “Near-White Blast Cleaning”1 surface) or a highly localized preparation of corroding areas using hand or power tools (SSPC-SP 2 or SSPC-SP 3). Sometimes projects may be designed to an intermediate degree where …

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Shop Versus Field Painting: An Exemplum

Introduction According to Wikipedia, an exemplum (Latin for “example”) is a moral anecdote, brief or extended, real or fictitious, used to illustrate a point. While I wouldn’t consider deciding whether to perform painting work in a shop or in the field a “moral issue,” this story-telling approach is intended to provide a more interesting way …

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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 positions on each. KTA President Ken Trimber moderates. Click below to watch via Youtube, Stream or Download on Soundcloud, or Download for …

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lead presence

Determining the Presence of Lead and Who’s Responsible?

Today it’s fairly common knowledge that lead can be found in older industrial, marine, and even some commercial coating systems on existing structures.  But just because the coating system is old doesn’t guarantee that lead is present.  And the opposite holds true as well – just because the coating system is new doesn’t necessarily mean …

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coating specification

Specifying Coatings

Part 1: Specifications Simplified Independent of the type of coating project, a properly prepared specification is a key component to its success. A coatings specification describes the project and the objective of the coating system. It also describes the surface preparation requirements, materials required to complete the work, the intended appearance of the completed work, …

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sspc vis 3

Surface Preparation by Power Tool Cleaning… What to Specify When

One of the key components to the success of any coatings maintenance project is the degree of surface preparation both specified and performed. For the purposes of this discussion we are going to assume that due diligence has been done and that power tool cleaning is a viable option for maintenance painting work.  Now the …

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MnDOT’s Approach to Improving Bridge Maintenance Painting Operations

The Minnesota Department of Transportation (MnDOT) conducted a one-day seminar on bridge maintenance painting strategy and project design in May of 2013. One outcome of that seminar was the realization that MnDOT needed a more uniform method to rate the condition of coatings statewide during biennial bridge safety (in conjunction with the new AASHTO Manual …

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bridge overview

Improper Selection of a Maintenance Strategy Takes Corrosion Protection from Bad to Worse

When conducting a coating failure investigation, the investigator’s first inquiries should be “What was supposed to be done,” and “Does it make sense?” The answers to these questions are typically revealed in the specification for the project. However, in this “Case from the F-Files,” there was very little information in the specification to guide the …

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weathered coating

Keeping Coatings in the Game

Testing at five-major league baseball stadiums offers insights into paint and coatings performance While grand architectural and aesthetic considerations for buildings may be less common than in past generations, they still matter to professional and collegiate sports stadium owners. They have important fan bases to consider. Keeping stadium structural steel looking sharp can be as …

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overcoating failure

Overcoating: Maintenance or Mayhem?

Whether a bridge, tank, pipeline, vessel, manufacturing facility, architectural structure or amusement park ride, at some point there will be a need for maintenance painting. The “paint guy” will share responsibility with those involved in general maintenance, funding, prioritizing, public relations and safety.Those familiar with maintenance painting may recall the four maintenance painting strategies: Do …

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