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Cripple Creek&Victor Gold Mining Company ■ <br /> Squaw Gulch VLF Phase 2A Part 2 ■ <br /> Record of Construction Report <br /> 475.0106.032 <br /> September 30,2019 <br /> TABLE OF CONTENTS <br /> 1. INTRODUCTION........................................................................................................................ 1 <br /> 1.1. Project Description........................................................................................................... 2 <br /> 1.2. Parties Involved................................................................................................................ 2 <br /> 1.3. Construction Quality Assurance (CQA)/Construction Quality Control (CQC) ................ 3 <br /> 1.4. Design Drawings and Technical Specifications................................................................. 3 <br /> 1.5. Use of this Report............................................................................................................. 3 <br /> 2. SQUAW GULCH VLF CONSTRUCTION ACTIVITIES.................................................................... 3 <br /> 2.1. Clearing and Grubbing...................................................................................................... 2 <br /> 2.2. Site Grading...................................................................................................................... 2 <br /> 2.3. Subgrade Preparation ...................................................................................................... 2 <br /> 2.4. Leak Detection Trench .....................................................................................................4 <br /> 2.5. Soil Liner Fill......................................................................................................................4 <br /> 2.6. Geomembrane ................................................................................................................. 5 <br /> 2.7. Anchor Trench.................................................................................................................. 5 <br /> 2.8. High Volume Solution Collection System (HVSCS) Piping................................................ 5 <br /> 2.9. Drain Cover Fill ................................................................................................................. 6 <br /> 2.10. Miscellaneous................................................................................................................ 6 <br /> 3. QUALITY ASSURANCE/QUALITY CONTROL.............................................................................. 7 <br /> 3.1. Testing Standards............................................................................................................. 7 <br /> 3.1.1. Earthworks Testing Standards............................................................................ 7 <br /> 3.1.2. Geomembrane Testing Standards...................................................................... 7 <br /> 3.1.3. Geotextile Testing Standards.............................................................................. 8 <br /> 3.2. Earthworks Construction Quality Assurance ................................................................... 8 <br /> 3.2.1. Structural Fill....................................................................................................... 8 <br /> 3.2.2. Leak Detection Fill .............................................................................................. 9 <br /> 3.2.3. Soil Liner Fill........................................................................................................ 9 <br /> 3.2.4. Drain Cover Fill.................................................................................................... 9 <br /> 3.3. Geosynthetics Quality Control Submittals..................................................................... 10 <br /> 3.3.1. Geomembrane Installation Personnel Resumes.............................................. 10 <br /> 3.3.2. Geomembrane Roll QC Certificates.................................................................. 10 <br /> 3.3.3. Geomembrane Resin QC Certificates............................................................... 10 <br /> 3.3.4. Geomembrane Welding Rod QC Certificates................................................... 11 <br /> 3.3.5. Geotextile QC Certificates ................................................................................ 11 <br /> 3.4. Geomembrane Construction Quality Assurance ........................................................... 11 <br /> 3.4.1. Geomembrane Third Party Conformance Testing ........................................... 11 <br /> 3.4.2. Geomembrane Panel Deployment................................................................... 12 <br /> 3.4.3. Geomembrane Fusion Seaming ....................................................................... 12 <br /> 3.4.4. Geomembrane Extrusion Seaming................................................................... 12 <br /> 3.4.5. Geomembrane Destructive Testing.................................................................. 13 <br /> 3.4.6. Geomembrane Pressure Testing...................................................................... 13 <br /> P:\Projects\Cert Report-Phase 2A Part 2\475.0106.032 CCV PHASE 2A Part 2 ROC REPORT docx <br />