Way Ahead In Corrosion Control

Wave pool corrosion survey

Corrosion survey conducted in the nation's most advanced wave pool

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Corrosion survey of the Surf Ranch facility in Lemoore, California

Project overview:

In January 2020, Deepwater Corrosion Services was contracted by Kelly Slater Wave Company (KSWC), one of the nation's newest and most advanced wave park operators, to conduct a corrosion survey of the the Surf Ranch facility in Lemoore, California. Taking two days to complete, all metallic supports and assets were inspected to throughly gauge structural integrity. As a result of the corrosion survey, Deepwater engineers recommended a variety of CP systems to maintain corrosion protection in the facility.

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Background and scope:

The Surf Ranch is an artificial wave pool created in 2015 in Lemoore, California, to provide the perfect wave for surfing activities. The pool is about 2,000 ft long and 250 ft wide and chemical treatment is performed to maintain water cleanliness and a neutral pH. However, the treatmentusing sulfuric acid 93% (10ppm dosage) polymer with aluminum chloro hydrate 40-50% and sodium hypochlorite or hypochlorite acid (0.5-1.2ppm of Cl-) createan acidienvironment resulting in corrosion of metallic structures immersed in the water. Thresulting corrosion producthave direct impact on the water quality and the corrosion extent may affect the mechanical integrity of the metallic supports.

The scope of work of this site visit comprised performing a corrosion survey on the following structures: Net piles, vehicle supports and walkway gratings. The goal was to inspect and assess all submerged metallic supports.

Piles, I-beams, gratings, platform piles, and foil tanks

The above assets include the anchor bolts, nutsand all the tension wiresupporting the net posts.


CVI/NDT Inspection done

500,000 Sq. ft. + facility

55+ Assets inspected

ICCP Retrofit recommended


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