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COLORADO LEGACY LAND <br /> FORMER SCHWARTZWALDER MINE <br /> 1 INTRODUCTION <br /> Ensero Solutions US Inc (Ensero) was commissioned by Colorado Legacy Land, LLC (CLL), to provide <br /> Construction Quality Assurance(CQA)for the North Waste Rock Pile(NWRP) Diversion Channel Project. This <br /> Record of Construction (ROC) report certifies the construction of the NWRP Diversion Channel. This project <br /> was permitted by the Colorado Division of Reclamation and Mining Safety (DRMS) as part of Mine Land <br /> Reclamation Permit No.M-1977-300,Technical Revision#28. This CQA Summary along with the final record <br /> survey drawings document the Construction Quality Assurance Program for this Project. The table of contents <br /> for this report is as follows: <br /> • Section 1 Introduction presents the scope and objectives of this report and introduces the project. <br /> • Section 2 Construction Observations and CQA Summary documents the different phases of <br /> construction,inspection check points,and corresponding technical specifications. <br /> • Section 3 Deviations from the QA/QC Plan lists the field changes with respect to the permitted plan. <br /> These deviations had a de minimis affect on the overall scope or results of this project. <br /> • Section 4 Conclusions presents the final summary and recommendations of this report. <br /> • Section 5 References. <br /> • Appendices: <br /> o Appendix A: DRMS Inspection Reports, <br /> o Appendix B: Daily Observation Logs, <br /> o Appendix C:Photo Log, <br /> o Appendix D:Material Receipt Forms, <br /> o Appendix E: Data Testing Sheets, <br /> o Appendix F: Design Specifications, <br /> o Appendix G:Construction Drawings, <br /> o Appendix H: Record Survey Drawings,and <br /> 1.1 DEFINITIONS <br /> The following definitions apply to this report: <br /> • "Owner"is defined as Colorado Legacy Land,LLC(CLL). <br /> MARCH 2O21 1 NWRP CHANNEL RECORD OF CONSTRUCTION <br />