ASDSO Dam Safety Toolbox

Coated CMP Example, Low-Hazard Dam

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Message: CMP conduits can be coated with PVC to prevent corrosion


This Fergus County, MT dam was rehabilitated following failure using a PVC coated CMP. Extra caution is advised when installing coated CMP, a tiny nick can start the process of corrosion.

  • Outlet end of pipe

    Outlet end of pipe

  • Outlet of new CMP

    Outlet of new CMP

  • Inlet structure with coated CMP

    Inlet structure with coated CMP


Note: The content on this page was originally created as part of DamOutletWorks.org (DOWL, 2018). It has subsequently been updated and reformatted as part of the Dam Safety Toolbox.
Revision ID: 3176
Revision Date: 09/15/2022

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