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filler

Corrosion Control/Tank Re-Coating

SGV Underground has pioneered many money-saving corrosion control techniques, which can prevent the difficult and costly replacement of manhole structures, septic tanks, and pump (lift station) basins. Our structural repair methods seal all crack, perforations, and acidic and alkaline corrosion, and form a corrosion-proof barrier, stopping infiltration and ex-filtration. The corrosion control work will last for many years, and is covered by our extended warranties.

SGV Underground personnel are confined space trained and certified, per OSHA requirements. Off-hour scheduling is available to prevent disruption to your business operations. Our satisfied clients include banks, school districts, homeowners, hospitals, educational institutions, and large commercial and industrial facilities.

Process Description:
While following applicable confined space procedures, our professional prepare the internal surfaces of the pump (lift station) basin, manhole structure, or septic tank, using water blasting, sandblasting, or manual methods. Next, all perforations and cracks are filled with a structural mortar material. A mortar base is then applied to the entire internal surface of the structure. After curing, a stainless steel mesh “skeleton” is installed onto the tank’s surfaces (or manhole pit) to increase structural strength and allow better adherence of the mortar and epoxy components. A second mortar base is applied over the mesh skeleton and after final curing, an acid and alkaline-resistant epoxy coating is applied to the structure wall from 25-40 mils in thickness. (Note: Specialized coating requirements can be met.) After curing the epoxy coating, all structure components are reinstalled and the work area is cleaned to its pre-job condition.

SGV Underground Featured in the Press:
The September 2007 issue of Cleaner Magazine (www.cleaner.com) featured an article about how Sanford USD Medical Center availed themselves of services provided by SGV Underground to repair a failing metal sump basin. To view a reprint of the article, click here.