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Hernandez, Alysha <br />From: Dudash, Joe <br />Sent: Wednesday, October 19, 2011 12:57 PM <br />To: Bowles, Brock <br />Cc: Hernandez, Alysha; Brown, Sandy <br />Subject: North Thompson Creek Mines C- 1981 -025 TR -26 Adequacy Review <br />As you had requested in your e -mail dated October 5, 2011, I have reviewed the surface water hydrology <br />aspects of the TR -26 submittal for the North Thompson Creek Mines. I have several comments concerning the <br />submittal. <br />The reference to Tab 4 in note number 10 of Drawing D -2 -5 should be changed to Appendix 4 -13. 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 revision, <br />the correction should be formally made on the drawing at that time. <br />2. Please revise page P -9 -9 of Appendix 4 -13 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 -13 to include <br />an addition to the P.E. certification for the recent TR -26 design modification. <br />If you have any questions, please let me know. <br />