ASDSO Dam Safety Toolbox

Bituminous Coating Impact on Design Life of Pipe

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Message: Bituminous Coating significantly extends conduit design life.


This CMP conduit was recently removed from a Judith Basin County, MT dam. The pipe is still in acceptable structural condition, with no significant corrosion showing on the pipe interior. The bituminous coating was an integral component of the corrosion protection.

  • Recently removed bituminous coated CMP

    Recently removed bituminous coated CMP

  • Close-up of pipe exterior

    Close-up of pipe exterior

  • Pipe interior showing no significant signs of corrosion

    Pipe interior showing no significant signs of corrosion


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: 4658
Revision Date: 12/02/2022

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