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APPENDIX- C <br />Attached are work sheets that aze obtained as pazt of Soil Conservation Service, <br />Engineering Division, Technical Release 55. The sheets were used to make <br />calculations of estimates of the runoff of a 100-yr storm event from the two subbasins <br />above the planned waste rock dump. A map is included to show the subbasins. The <br />channels created by the berms will be approximately 8 ft wide by at least 2 ft deep, <br />which will be capable of handling the calculated estimated peak discharges of: <br />Subbasin 1= 2.67 cfs <br />Subbasin 2= 6.64 cfs <br />