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Tag Archive: infiltration

  1. Detention Pond Riser Leak

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    Stormwater from a parking lot was going through the joints of this detention pond riser. Polyurethane grout was injected to stop the unwanted infiltration. The polyurethane grout that was used was Hyperflex, manufactured by SealGuard, Inc. Hyperflex is a single component, moisture activated grout that is NSF/ANSI/CAN 61 approved for potable water. The grouting was performed by Sub-Technical, Inc. After the grout is cured, the excess and injection packers can be removed and patched over with concrete for aesthetic purposes.