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<br />Dan }lernandez - 2 - December 6, 1989 <br />18 - The 2:1 slope, as indicated on the November 29, 1989 Area 4 cross <br />section, should be continued to station 2 + 36,8. The slope should then be <br />graded so that a shallow concavity is created from station 2 + 36.8 to the <br />limit of disturbance. This configuration will achieve the most sizable <br />landform in terms of erosion and surficial stability. <br />19 -Given the Castle response to item number 13, and the field survey which <br />resulted in the new areas 2, 3 and 4 cross sections, the response to item <br />number 19 is acceptable. <br />23 - The Castle Concrete response did not provide the Division with much <br />information which would be useful in calculating the estimated cost of <br />implementing the proposed corrective action plan. I will estimate the cost of <br />implementing the corrective action plan given the information available in the <br />cross sections, maps and discussions submitted to date. This cost estimate <br />will be available on December 13, 1989. <br />SGR/yjb <br />1967E <br />