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2025-06-23_REVISION - M1980244 (31)
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2025-06-23_REVISION - M1980244 (31)
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Entry Properties
Last modified
6/24/2025 2:33:38 PM
Creation date
6/24/2025 9:28:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Revision
Doc Date
6/23/2025
Doc Name Note
Attachment 10
Doc Name
Adequacy Review - Preliminary
From
Cripple Creek & Victor Gold Mining Company
To
DRMS
Type & Sequence
AM14
Email Name
ERR
ZTT
Media Type
D
Archive
No
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• TABLE OF CONTENTS <br /> 1. INTRODUCTION 1 <br /> 1.1. Project Description 1 <br /> 1.2. Scope of Work 3 <br /> 2. SITE CHARACTERIZATION 3 <br /> 2.1. Location and Topography 3 <br /> 2.2. Climate 3 <br /> 2.3. Underground Workings 3 <br /> 2.4. Seismicity 4 <br /> 2.5. Subsurface Conditions 5 <br /> 3. GEOTECHNICAL CHARACTERIZATION 5 <br /> 3.1. VLF2 Phase 3 Expansion Site Investigation (NewFields, 2020) 5 <br /> 3.2. Valley Leach Facility Expansion Test Pit Program (Newmont, 2023) 5 <br /> 3.3. Valley Leach Facility Expansion Geophysical Survey (IGES, 2023) 6 <br /> 3.4. Laboratory Testing Program 6 <br /> 3.4.1. Natural Moisture 7 <br /> 3.4.2. Index Properties and Material Characterization 7 <br /> 4. VALLEY LEACH FACILITY DESIGN 8 <br /> 4.1. General 8 <br /> 4.2. Staged Construction 9 <br /> • 4.3. Valley Leach Facility Foundation 10 <br /> 4.3.1. VLF2 Phase 4 Stage A 10 <br /> 4.3.2. VLF2 Phase 4 Stage B 11 <br /> 4.3.3. VLF1 Phase 6 Stage A 11 <br /> 4.3.4. VLF1 Phase 6 Stage B 11 <br /> 4.4. VLF1 Phase 6 Process Solution Storage Area 12 <br /> 4.4.1. PSSA Embankment 12 <br /> 4.4.2. Lined PSSA Basin 13 <br /> 4.4.3. High-Volume Solution Collection Recovery System 13 <br /> 4.5. Lined Pad Expansion Area 13 <br /> 4.5.1. Leak Detection System 14 <br /> 4.5.2. Composite Liner System 14 <br /> 4.6. Solution Collection System 14 <br /> 4.6.1. High-Volume Solution Collection System 14 <br /> 4.6.2. VLF2 Phase 4 Infiltration Gallery 15 <br /> 4.6.3. Low Volume Solution Collection System 15 <br /> 4.7. Appurtenant Structures 16 <br /> 4.8. Reclamation/Closure 16 <br /> 4.9. Technical Specifications 16 <br /> 5. GEOTECHNICAL EVALUATION 17 <br /> 5.1. Stability Evaluation 17 <br /> 5.1.1. Model Development 17 <br /> • 5.1.2. Design Ground Motions 18 <br />
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