2020-07-08_REVISION - M1980244 ‎(20)‎

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 7/8/2020
• Doc Name: VOL 1-Phase 2A, Part 3
• From: CC&V
• To: DRMS
• Type & Sequence: TR122
• Email Name: TC1
• Email Name: MAC
• Media Type: D
• Archive: No

Cripple Creek&Victor Gold Mining Company ■
Squaw Gulch VLF Phase 2A Part 3
Record of Construction Report ■
475.0106.032
July 2,2020
TABLE OF CONTENTS
1. INTRODUCTION........................................................................................................................ 1
1.1. Project Description........................................................................................................... 2
1.2. Parties Involved................................................................................................................ 2
1.3. Construction Quality Assurance (CQA)/Construction Quality Control (CQC) ................ 3
1.4. Design Drawings and Technical Specifications................................................................. 3
1.5. Use of this Report............................................................................................................. 3
2. SQUAW GULCH VLF CONSTRUCTION ACTIVITIES.................................................................... 3
2.1. Clearing and Grubbing...................................................................................................... 4
2.2. Site Grading...................................................................................................................... 4
2.3. Subgrade Preparation ...................................................................................................... 4
2.4. Soil Liner Fill...................................................................................................................... 5
2.5. Geomembrane ................................................................................................................. 5
2.6. Anchor Trench.................................................................................................................. 6
2.7. High Volume Solution Collection System (HVSCS) Piping................................................ 6
2.8. Drain Cover Fill ................................................................................................................. 6
3. QUALITY ASSURANCE/QUALITY CONTROL.............................................................................. 7
3.1. Testing Standards............................................................................................................. 7
3.1.1. Earthworks Testing Standards............................................................................ 7
3.1.2. Geomembrane Testing Standards...................................................................... 8
3.2. Earthworks Construction Quality Assurance ................................................................... 8
3.2.1. Structural Fill....................................................................................................... 8
3.2.2. Soil Liner Fill........................................................................................................ 9
3.2.3. Drain Cover Fill.................................................................................................... 9
3.3. Geosynthetics Quality Control Submittals....................................................................... 9
3.3.1. Geomembrane Installation Personnel Resumes................................................ 9
3.3.2. Geomembrane Roll QC Certificates.................................................................. 10
3.3.3. Geomembrane Resin QC Certificates............................................................... 10
3.3.4. Geomembrane Welding Rod QC Certificates................................................... 10
3.4. Geomembrane Construction Quality Assurance ........................................................... 11
3.4.1. Geomembrane Third Party Conformance Testing........................................... 11
3.4.2. Geomembrane Panel Deployment................................................................... 11
3.4.3. Geomembrane Fusion Seaming ....................................................................... 12
3.4.4. Geomembrane Extrusion Seaming................................................................... 12
3.4.5. Geomembrane Destructive Testing.................................................................. 12
3.4.6. Geomembrane Pressure Testing...................................................................... 13
3.4.7. Geomembrane Defects and Repairs................................................................. 13
3.4.8. Geomembrane Acceptance.............................................................................. 14
4. PROJECT DEVIATIONS............................................................................................................ 14
5. ENGINEER'S OPINION ............................................................................................................ 14
P:\Projects\0306.032 VLF2 Phase 2 CQA\J-REPORTS\Cert Report-Phase 2A Part 3\475.0106.032 CCV PHASE 2A Part 3 ROC
REPORT.docx