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-3- <br />Revisions Required at Mid-Term <br />Based on the review of the McClave Canyon Mine permit Dresented above, <br />the Division finds that the following revisions appear necessary at the <br />mid-term of the permit period: <br />1. The mine office address should be updated as necessary to reflect the <br />recent relocation from Grand Junction to the mine site. <br />2. Reclamation Bond - Upon review of the cost estimate portion of the <br />permit application, it appears that certain costs will need to be <br />adjusted. Please refer to Section V below for details. <br />3. Topographic Maps - Maps within the application which depict the <br />topography of the portal bench area need to be revised to show current <br />contours. Of specific concern is the access road relocation, additional <br />fill work associated with extending the bypass culverts, and creation of <br />the safety bench on the north side of the portal area. <br />III. SUMMARY OF REVISION <br />This section lists the revisions made <br />A summary of each revision request is <br />actions taken. <br />subsequent to permit renewal issuance. <br />followed by a brief description of <br />Minor Revisions: <br />MR09: Cliff stabilization along haul road. Submitted 5/25/88, approved <br />6/3/88. Operator has implemented this revision. <br />MR10: Conduct percolation tests at proposed office/parking lot leach field <br />site. Approved as a field minor revision on 9/7/88 and implemented by <br />the operator. Permit Figures were revised accordingly. <br />MR11: Install CMP extension and inlet headwall for fan area drainage culvert. <br />Approved as a field minor revision on 9/8/88 and subsequently <br />implemented by the operator. Permit figures (Fig. 2.2-2 & 2.2-3) were <br />revised and submitted. <br />MR12: Add outlet end extension to 42" diameter bypass culvert. Approved as a <br />field minor revision on 3/31/89. Revised Figure 2.2-3 was submitted <br />within the required timeframe. This revision has been implemented by <br />the operator. <br />MR13: Move portal bench access road ramp. Approved as a field minor revision <br />on 3/31/89. The revision was subsequently implemented by the operator, <br />and revised Figure 2.2-2 was submitted to the Division within the <br />stipulated time frame. <br />