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Susan Bur•maier -2- December 31, 2012 <br />4. Pages EXH 8 -17 and EXH 8 -18 provide a summary of the Pond D watershed. The <br />figures provided add up to 1.75 acres but the total acreage listed is 15.0 acres. <br />Please revise the pages to correctly reflect the watershed area. <br />BRL: Please see revised pages EXH 8- 17,18, showing the correct acreage of 2.65 ac. <br />See question #7, the acreage was revised due to changing of drainage areas for D- <br />5 and D -6. <br />5. The table on page EXH 8 -29i has revised information for ditches D3, D4, D5, and <br />D6. For D4, page EXH 8 -74ix indicates that the discharge is 0.42 cfs. The table on <br />page EXH 8 -29i indicates the discharge is 0.78 cfs. Please revise the pages for <br />consistency. <br />BRL: Please see revised EXH 8 -74ix, showing the correct discharge of 0.78 cfs. <br />6. There appears to be a conflict in the calculated discharge reported on page 8 -249 <br />with the discharge input for the Ditch D4 design on revised page Exh -8 -74ix. <br />Please revise page Exh- 8 -74ix to coincide with the values for D4 on page 8- <br />249. <br />BRL: Please see revised EXH 8 -74ix, showing the correct discharge of 0.78 cfs. <br />7. Page 8 -249, the revised SEDCAD run for Pond D indicates that the area draining to <br />ditches D -D5 and D -D6 has been reduced from the current design. The maps, <br />however, do not indicate that the watersheds have decreased. Please explain the <br />reduction in watershed area and resultant discharge or correct the SEDCAD <br />run on page 8 -249. <br />BRL: The drainage area for D -D5 should be 0.96 and for D -D6 should be 0.61. These <br />values reflect the as -built configuration shown in TR -75 and have been updated in <br />SedCad. Please see revised pages Exh. 8 -17, 18, 19, 29i, 208i, 249, 252, 253, <br />255, 256 and Map 22C. <br />8. There appears to be a conflict in the calculated discharge reported on page 8 -249 <br />with the discharge input for the Ditch D5 and D6 designs on currently approved <br />page Exh -8 -74x. Once the calculations on page 8 -249 have been revised or <br />verified per Item 7 above, please revise page Exh -8 -74x to coincide with the <br />values for D5 and D6 on page 8 -249. <br />BRL: Please see revised page Exh. 8 -74x. A note has been added directing the reader <br />to the location of the D5 and D6 ditch designs. <br />9. Information presented on page App. B -2 conflicts with the SEDCAD structure details <br />reported on pages App. B -17 through App. B -41. Please revise the table to <br />