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Division of Reclamation, Mining and Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver, CO 80203 <br /> Attn: Eric Scott <br /> Re: Permit M-1974-086, Ralston Quarry Slide Remediation Weekly Report, 03/02/2020- <br /> 03/06/2020 <br /> Mr. Scott, <br /> No work was done on site on Monday March 2°d,due to light snow and poor visibility. Work <br /> started again on Tuesday the 3Td and continued through Saturday the 71h. <br /> In the area north of the slide, pipe construction started with the lower two pipes and the <br /> connecting run out being worked on. By the end of the week stripping started in the area north of <br /> the slide getting ready for the cuts in that area. <br /> Work continued in the slide area preparing the grade for the lower pipe to be installed. Work <br /> continued on the buttress fill on the bottom of the slide area and will continue up after <br /> installation of the lower pipe. The lower pipe in the slide area should be complete by early week <br /> of March 9th, allowing for the buttress to continue up to and over that lower pipe. <br /> The attached pictures give a pretty good indication of the work accomplished during the week of <br /> March 2°d, 2020. <br /> Ground Engineering was on site overseeing pipe installation, buttress construction and taking <br /> required compaction tests. <br /> Thanks, <br /> Stan Opperman <br />