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To: Mr. Peter Hays <br />Date: March 21, 2022 <br />Page 6 <br /> <br /> 20220314_DRMS_Adequacy_Review_Response_MASTER.docx <br /> <br />Response 32 <br />Inlet protection second review memo comments and responses are included at the end of <br />this letter starting on page 9. <br />6.5 GEOTECHNICAL STABILITY EXHIBIT <br />Comment 34 <br />The Applicant states Telesto completed a slope stability analysis of the planned mined and <br />reclaimed slopes utilizing Slide-2D and can provide the modeling files to the DRMS upon <br />request in the adequacy response. Please provide the Slide-2D modeling files in electronic <br />format to allow the Division to verify the stability analysis using Clover Technology’s <br />Galena slope stability software. <br />Response 34 <br />The attached thumb drive includes the Slide 2D files. We unaware of a conversion program <br />to directly import Slide 2D into Galena. Thus, we also output the geotechnical model <br />framework in DXF and image formats to allow import into Galena for model construction. <br />We can also schedule a working session and allow DRMS personnel to control Slide 2D <br />from our computers (through Microsoft Teams) and exercise the model. <br />Comment 37 <br />The Applicant states updates in Section 6.1.2 and 6.2 specify that LRM mine at slopes and <br />with appurtenances indicated by the slope stability analyses presented in Appendix B1 in <br />the adequacy response. Section 6.1.2 was revised to include “an excavator stationed on a <br />moveable platform…”. Section 6.2 was not revised from the previous version of Exhibit <br />D. Please update both sections to include the language from the adequacy response. <br />Response 37 <br />Attachment 6 contains the updated Exhibit D with the platform language added to Section <br />6.2.