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At the face of the berm /top of slope the discharge will transition to the interstitial flow modeled by the PAP -0790. This <br />transition should take place quickly enough that I believe that it eliminates the need to use the Pennsylvania shear <br />analysis (which is based on flow over the riprap). <br />Again thanks for taking the time to detail your concerns and to provide the graphics to make them clear. I understand the <br />preference for standardized designs, however I am trying to devise a solution set for a rural Western Slope operator who <br />is not a deep packet corporation and is not in the position of calling up a local quarry to order x number of tons of Urban <br />Drainage type M riprap. <br />Sincerely - <br />James Pierce, Jr. <br />