During a visit to this office on July 3, 1952, Mr. J.O. Cornell requested the assistance of the Hydraulics Section of the Research Laboratory in investigating the possible head to be expected on the drainage structures on U.S. 23, that would be influenced by the proposed raising of the normal pool elevation of Ohio River Lock and Dam No. 30 at Greenup, Kentucky.

In order to better evaluate the head to be expected, I have approached the problem from an analytical standpoint, outlining and comparing the results from three suggested methods. The results of the analysis of the three separate approaches are very similar which indicates that the resulting values are reliable.

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Report Number

No. 81

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