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Technical Revision No. 86 page 2 <br />January l9, 2000 <br />16. The revised SEDCAD demonstration for Shaft #3 was provided under a separate response <br />letter for TR#86 and has been accepted by the Division. <br />North Soil Storage Area: <br />21. Ditch designs for DNSSA-l, DNSSA-2, and DNSSA-3 are enclosed. <br />Z3. The SEDCAD run for pond MB-2R has been corrected and is enclosed, and the problems <br />the Division noted in their May 3, 1999 letter have been resolved. The revised SEDCAD <br />run for MB-2R includes the elevation-discharge and the elevation-area-capacity-discharge <br />tables. <br />24. See response to #23. <br />25. The addition of the two watersheds to the MB-2R SEDCAD model was done in error. The <br />two subwatersheds have been removed from the revised SEDCAD run, which is enclosed. <br />26. Table 44E has been revised and is enclosed to include the summary design information for <br />ditch D2R-4A. <br />27. Table 44E has been revised and is enclosed to include summary design information for <br />ditch D2R-5. <br />28. Table 44E has been revised and is enclosed to show the correct flow in ditch D2R-7. <br />30. Table 44E has been revised and is enclosed to provide a consistent title on all pages. <br />31. Table 43E, Table 44E and the MB-ZR SEDCAD run have been corrected to be consistent <br />with the flow path for watershed 25, as shown on Map ~4. <br />32. The SEDCAD run for MB-2R has been corrected to show the corrected drainage routing <br />around the Live Subsoil Pile #l. <br />Rej~se Pile Expansion: <br />34. The SEDCAD designs for [he RPE are only intended to replace the pond model and clear- <br />wa[erditch design in Appendix L for Exhibit 70 for Phase 1 and 2 of pile construction. <br />Drainage areas above the RPE that drain to the clear-water ditch (DCW-8A and DCW-8B) <br />are identified as watersheds 51, 52, and 53. Map IE has been revised and is enclosed to <br />identify these watersheds. Summary watershed flows have been added to Table 43E. Map <br />54 has been revised and is enclosed to show the location of DCW-8A and DCW-8B. <br />Summary ditch designs for DCW-8A, DCW-8B, RPE-I, and RPE-2 have been added to <br />Table 44E. The SEDCAD run for the RPE pond has been revised and is enclosed. <br />35. Ditch DCW-8A and DCW-8B are now shown on Map 54, and enclosed. <br />