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Painting Companies Win SSPC Award

Wednesday, May 8, 2019

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Announced at the tail end of April, SSPC: The Society for Protective Coatings awarded Barton International (Glens Falls, New York) and Mid-Atlantic Coatings Inc. (Chesapeake, Virginia), in addition to the U.S. Navy and Sherwin-Williams Protective & Marine Coatings, with its SSPC Military Coatings Project Award of Excellence.

Nominations for the award and other SSPC 2018-19 Structure Awards were accepted from June 2018 through August 2018. In order to be eligible, projects had to be completed between July 1, 2017, and June 30, 2018.

The award was given for the exceptional coatings work and collaboration completed on nuclear-powered aircraft carrier USS George Washington (CVN 73). The ship is 1,092 feet long, 257 feet wide and 244 feet high; It was christened in 1990 and commissioned in July 1992.

As part of the vessel’s multi-year midlife refueling and complex overhaul, the coating project took place at the Huntington Ingalls Industries shipyard in Newport News, Virginia. Work on the project began in August 2017, with development plans already in the works two years prior.

Work Completed

Specifications for the USS George included preserving and coating the freeboard, main deck, topside and more than 100 interior tanks. The work also involved the preparation and maintenance of the underwater hull surfaces.

PHAN Ryan T. O'Connor, CC-PD-Mark, via Wikimedia Commons

The award was received for the exceptional coatings work and collaboration completed on nuclear-powered aircraft carrier USS George Washington (CVN 73).

“From the beginning, we knew this project would require looking beyond the usual horizons—not just in terms of engineering a strategy, but in effectively communicating our innovations and ideas, and collaborating with the right teams,” said Mark Schultz, Government Marine Manager for Sherwin-Williams Protective & Marine Coatings.

“Since several aspects of the project were groundbreaking, not only were we challenged to assemble this complex arrangement of features and benefits, we also had to demonstrate how these technologies and teams would come together to deliver on our promise.”

In terms of surface preparation, MAC and Sherwin-Williams joined forces with Greener Blast Technologies and Barton garnet abrasives in order to introduce Naval contractors to vapor blasting. This form of preparation was chosen by the team for its water-like medium properties and known reduction in dust levels.

After witnessing the technique remove miscellaneous exterior built-up materials and the outermost coatings prior to applying secondary direct-to-steel blasting, the Navy created a new SSPC/NACE specification for vapor blasting.

Remaining materials and paints slated to be removed were done so with the use of garnet in dry-blasting techniques. Barton and MAC representatives worked together to ensure that the garnet would meet the project’s requirements.

Barton supplied more than 6,000 tons of garnet for the project, including a new abrasive, 30/60 CG Adirondack garnet, engineered specifically for this project in January 2018.

“We are honored to have this opportunity to support MAC and the U.S. Navy by supplying our American garnet for the refurbishment of the USS George Washington,” said Randy Rapple, president of Barton International.

In taking steps to “improve sustainability and reduce environmental impact,” the vapor blasting aided in lowering the amount of waste, reducing fuel emissions in using water-powered pressure washers and recycling the remaining slurry upon vapor blast completion. Other abrasive blasting processes used recycled steel grit in the tanks as well.

When assessing the freeboards, Shultz went on to explain that instead of using a two-coat system, Sherwin-Williams' Fast Clad ER was used on about 70% of the boards. By using this product, the team was able to achieve a four-hour cure time, allowing for accelerated coating schedules, in addition to eliminating the possibility of missing recoat windows.

For the other 30% of the freeboards, the team used Sherwin-Williams' SeaGuard 5000HS Epoxy with a Sherwin-Williams Polysiloxane XLE-80 HAPS Free Epoxy Siloxane applied as a topcoat over the whole area. The polysiloxane included a new and approved Naval Research Lab low solar absorption pigment package, enhancing the paint’s signature “Navy Gray” while achieving a reduced solar temperature load on the vessel.

Within the ship, the tanks designed to hold various chemicals, ballast, water and waste were also coated with the Fast Clad ER, a coating that offers immersion for up to 15 years.

Schultz explained the change in coating choice by saying, “We started with 98% solids Dura-Plate tank coatings more than a decade ago, and we’re seeing those tanks hold up very well during inspections with no required rework. We’ll see even more success down the road when they re-inspect tanks featuring Fast Clad ER.”

The coatings were applied using plural-component sprayers and utilized cartridge technology from V.O. Baker Co. developed for plural-component materials. During the project, more than 95% of touchups and repairs following initial spray applications were completed entirely with cartridges.

The Award

Presented on Feb. 11, at SSPC’s 2019 Coatings+ annual conference at Disney Coronado Springs Resort in Orlando, the honorees were recognized for their completed work on the USS George Washington.

   

Tagged categories: Abrasive blasting; Abrasives; Awards and honors; Barton; Military; NA; North America; Program/Project Management; Protective Coatings; Sherwin-Williams; SSPC 2018; SSPC Coatings+ 2019; SSPC Coatings+ 2019; SSPC Structure Awards; U.S. Navy

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