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The paper is an overview of the National Shipbuilding Research Program (NSRP) Surface Preparation and Coating Panel’s (SP&C) mission to reduce the cost of construction, maintenance, and repair of US Navy ships. The Panel’s “Specs to Decks” approach; research, evaluate, develop, and sustain current and emerging technologies that will reduce cost and maintain or enhance quality, serves as a rudder that guides the Panel’s performance.
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The paper is an overview of the National Shipbuilding Research Program (NSRP) Surface Preparation and Coating Panel’s (SP&C) mission to reduce the cost of construction, maintenance, and repair of US Navy ships. The Panel’s “Specs to Decks” approach; research, evaluate, develop, and sustain current and emerging technologies that will reduce cost and maintain or enhance quality, serves as a rudder that guides the Panel’s performance. This review will provide a summary of the Panel and a look at some of its implemented, current, and proposed projects.
The paper is an overview of the NSRP Surface Preparation and Coating Panel’s (SPC) mission to reduce the cost of building, repairing and maintaining US Navy ships. It will showcase working and recently completed projects that have been implemented on the deck plates.
The U.S. Navy spends tens of millions of dollars each year repairing failed coatings on its ships and submarines. The Naval Sea Systems Command (NAVSEA) and the National Surface Treatment Center (NST Center) have developed and implemented a process to assess preservation work being conducted by both public and commercial shipyards and the Navy’s Supervisor of Shipbuilding commands
An overview of the NSRP Surface Preparation and Coating Panel’s (SPC) mission to reduce the cost of building, repairing and maintaining US Navy ships. The work the NSRP program does as NAVSEA’s industry partner. It is whom we are, how we work and examples of our work that have been implemented on the deck plates. SPC is NAVSEA’s industry partner in preservation.
This paper will discuss cost reduction of building and maintaining Navy Ships. Specifications, inspection, preparation, and application will also be discussed.
This paper investigates a key concern with Ultra High Pressure Waterjetting (UHPWJ) surface preparation – the impact of “flash rusting” on coating life. Flash rusting can occur under certain environmental conditions when the steel is left sufficiently wet following UHPWJ. Reducing or eliminating flash rusting can increase the cost of surface preparation. However, flash rust’s impact on coating life is debated.
Pre-construction Primer (PCP) is a zinc-containing, weld-through primer applied at low thickness to minimize rusting of steel during storage and fabrication. PCP removal is perceived to reduce risk of coating failure associated with painting over an aged zinc primer. PCP is retained in many commercial shipbuilding operations in order to reduce costs and provide a better performing coating system. This paper will review commercial industry practices and the guidance provided by marine coating manufacturers.
Silicone alkyds have been utilized by the Navy for over 50 years and remain the only single-component technology that is qualified under MIL-PRF-24635. Although the predominant coating in the Fleet, silicone alkyd coatings continue to provide poor color and gloss retention, poor chemical resistance, low hardness, slow cure times and limited cleanability to running rust.
Silicone alkyds are single-component (1K) systems and do not require the mixing of components before application. These systems are easy for sailors to apply (via brush or roll), have an indefinite pot-life in a closed can, and will cure under harsh marine conditions, which are why these coatings have been utilized on the exterior topsides of Navy surface ships since the early 1960s. However, these “user friendly” coatings provide limited color and gloss retention, limited resistance to shipboard hydrocarbons, and limited resistance to staining from running rust and soot.
Maintaining the coating technical file (CTF) for ships to comply with the International Maritime Organization(IMO)’s “Performance Standard for Protective Coatings” (PSPC). File formats - electronic and paper.
For personnel involved in new-build and maintenance painting of ships. From shipyards to drydocks and coating repairs by ship’s crews while under-way. Comparisons of coatings. Speicial requirements. Inspection. Equipment. 2012 NACE E-BOOK