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Hernandez, Alysha <br />From: Dudash, Joe <br />Sent: Monday, October 31, 2011 9:26 AM <br />To: Bowles, Brock <br />Cc: Hernandez, Alysha; Brown, Sandy <br />Subject: North Thompson Creek Mines C- 1981 -025 TR -26 Adequacy Response Review <br />I have finished my review of Minrec's responses, dated October 21, 2011, to the Division's adequacy review <br />letter dated October 20, 2011 for Technical Revision No. 26 for the North Thompson Creek Mines. Both of my <br />items have been adequately answered. The following is the status of each of my comments: <br />The reference to Tab 4 in note number 10 of Drawing D -2 -5 should be changed to Appendix 4-B. In <br />order to reduce costs, the correction can be handwritten on the drawings by Minrec and the Division <br />rather than providing new, revised drawings. However, if this drawing is revised in some future <br />revision, the correction could be formally made on the drawing at that time. <br />The Division has no further concerns. The change from Tab 4 to Appendix 4 -13 in note number 10 of <br />Drawing D -2 -5 can be handwritten on the Division's copies from the original submittal. <br />2. Please revise page P -9 -9 of Appendix 4B to include a reference to the newly designed open channel <br />section between pond T -2 and outfall 001. Also, please revise page P -9 -10 of Appendix 4 -B to include <br />an addition to the P.E. certification for the recent TR -26 design modification. <br />The Division has no further concerns. Page P -9 -9 was revised to include a discussion of the open <br />channel ditch between pond T -2 and outfall 001. Also, a new P.E. certification was added to revised <br />page P -9 -9 rather than on page P -9 -10. <br />If you have any questions, please let me know. <br />