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The project engineer has notified CDPHE that the project is completed and has been constructed <br /> in compliance with the contract drawings and specifications. <br /> VII. OPERATION AND MAINTENANCE <br /> Operation and maintenance activities at the Golden Gilpin Mill Site will include inspection and <br /> maintenance and repair of site grading, storm water controls and stream bank restoration. Initial <br /> maintenance is covered under the construction contract. The contract requires warranty <br /> inspections at intervals of six and eleven months after construction completion. Any necessary <br /> contract maintenance will be performed following the eleven-month warranty inspection. <br /> Long-term maintenance will be conducted by the Colorado Department of Public Health and <br /> Environment, Hazardous Materials and Waste Management Division once the remedy is <br /> Operational and Functional. CDPHE will conduct quarterly inspections of the site for the first <br /> two years following construction. Inspections of the site will be conducted on an annual basis <br /> after that. The primary task associated with long-term maintenance is to ensure that site-wide <br /> drainage controls retain adequate capacity and are functioning as designed. Other tasks will <br /> include monitoring the success of vegetation along the restored bank of North Clear Creek, and <br /> ensuring that final grades are maintained. CDPHE will report annually to EPA the status of <br /> inspection and maintenance activities at the site. <br /> VIII. SUMMARY OF PROJECT COSTS <br /> REMEDIAL DESIGN $ 43,636.00' <br /> REMEDIAL ACTION <br /> Construction $ 135,318.15 <br /> Engineer $ 12,319.00 <br /> TOTAL $ 189,273.15 <br /> IX. OBSERVATIONS AND LESSIONS LEARNED <br /> Reclamation of the Golden Gilpin Mill Site was a relatively small, straight-forward project. All <br /> phases of the project proceeded smoothly and there were no observations of note to report. <br /> I -Remedial Design for the Golden Gilpin and Chase Gulch#2 sites was performed concurrently under a single <br /> contract. Therefore,RD costs for the Golden Gilpin are approximately 65%of the amount shown in Section VIII. <br />