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William A. Bear <br />Page 5of5 <br />December 9, 2014 <br />29. The utility output for Culvert C -4 on page Exh. 8 -32vii and the tables on pages EXH. 8 -29 and <br />EXH -8 -31 both indicate that the design discharge entering Culvert C -4 is 6.36 cfs, from Ditch C- <br />4. The utility output for Ditch C -4, on currently approved page Exh -8 -62 indicates that the peak <br />discharge through Ditch C -4 is 6.22 cfs. Please verify the peak flow from Ditch C -4 and either <br />revise the ditch utility output on page Exh -8 -62 or the information on pages Exh. 8- 32vii, EXH. <br />8 -29, and EXH -8 -31 so that the reported discharge is consistent in all four locations. If the <br />design discharge is not 6.36 cfs, please also revise the design information for all structures <br />downstream of Culvert C -4. <br />30. Revised page Volume XI, App. B -67 does not mesh with the version of Appendix B submitted <br />September 24, 2014. The September version of page B -67 is the fourth page of the 100 yr <br />Sedcad run for Pond J. The page B -67 submitted October 9, 2014 is for the 0.6% section of the <br />East Collection Ditch (that page was B -72 in September). <br />Revised page Volume XI, App. B -72 is also out of synch with the September version. The <br />information BRL is revising on page B -72 replaces the September version of page B -77. <br />Additionally, revised page Volume XI, App. B -73 is not consistent with the September version. <br />The information BRL is revising on page B -73 replaces the September version of page B -78. <br />Please review the pagination for pages Volume XI, App. 8 -67 through -78 and revise as <br />necessary for consistency and flow with the September version. <br />31. Please revise page Exh. 8 -xxxi (the Culvert C -20 utility output, follows Exh. 8- 32xxx) to include <br />"32" before the "xxxi ". <br />32. Revised page Exh -8 -65 presents the design information for Ditch C7. The currently approved <br />page Exh -8 -65 is the design for Ditch C5 (0.77 cfs flowing to Ditches C8 and C11) and should <br />not be replaced. Please resubmit the design information for Ditch C7 as page Exh- 8 -65i. <br />The decision deadline for this revision is December 15, 2014. Please request an extension to allow <br />BRL time to respond to these remaining concerns and to provide the Division ample time to review <br />that response. If you have any questions or need additional information, please contact me. <br />Sincerely, <br />Susan L. Burgmaier <br />Environmental Protection Specialist <br />cc: Tamme Bishop, J.E. Stover & Associates <br />