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B. Pond Dewaterinq , Freeboard , Settlement 717 (e) 4 , 7 , 10 , 11 <br /> "Because capacity curves were not supplied for Pond <br /> 5-1 and 5-•2 , the staff. can not determine if the <br /> principle spillway has been set at the proper eleva- <br /> tion and whether freeboard and embankment settlement <br /> design criteria have been satisfied. A capacity <br /> curve chart similar to the ore prepared for the mires <br /> 1 and 2 sediment pond should be submitted. <br /> complete pond design criteria have been designed and are <br /> included in the attached revised April 1900 , plates 5-1 <br /> and 5-2. <br /> C. overflow Diversion Svstem <br /> 1) "The upslope watershed areas and slopes have not <br /> been specified. (Again, this is also true for the <br /> 4.3 and 4 mine areas although these are not being <br /> formally reviewed at this time) . Such information <br /> should be provided as was presented in the mine <br /> #1 and 2 areas . " <br /> 2) "The applicant should clarify if all diversion <br /> ditches are 2 feet wide and 1 foot deep with 2 : 1 <br /> side slopes . " <br /> 3) "The Manning n and s values used in sizing the <br /> ditch should be provided. " <br /> 4) "The slopes of the culvert passing runoff from <br /> the small area east of the tipple should be specified. " <br /> Item 1 drainage areas has been included in the haul. road <br /> System. <br /> Items 2 and 3 are shown as a typical drawing on attached <br /> Plate 5-2. - <br /> Item 4 - slope culvert east of the tipple is to be 0 . 002 <br /> minimum. <br /> -5- <br /> 9 <br />