Submerged Square Culvert
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Submerged Square Culvert
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Market
Water/Utilities
Challenge
A water treatment plant in western Ohio was confronted with repairing leaks of costly treated water from an underground transfer chamber without draining the system.
Engineered Solution
Custom-manufactured NSF61 HydraTite® Extra Wide Seals were selected as a solution. The HydraTite® seal, which is typically used to repair joints in pipe and elliptical conduits, was custom-designed to accommodate the inside corners and straight surfaces of the rectangular transfer chambers.
Scope
During an inspection performed by divers, a total of five (5) construction joints in various reinforced concrete transfer chambers were identified as the sources of the leaks. The corners of the square cross-section chambers required prefabricated stainless steel forms to produce the required radius. The straight sections of the HydraTite® seal are equipped with anchor clips.
Solution
Divers, after training on the installation of the HydraTite® seal, prepared deteriorated surface areas on either side of the joints and installed the HydraTite® seals with the furnished stainless steel forms and anchor clips.
