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Epvi* ropMept, <br /> LARRY E.O'BRIAN 7985 VANCE DRIVE,SUITE 205A <br /> FOUNDER ARVADA,COLORADO 80003 <br /> STEVAN L.O'BRIAN 303-423-7297 <br /> PRESIDENT FAX 303-423-7599 <br /> July 19, 2022 JJL 2 5 2022 <br /> Division of Reclamation, Mining do Safety t;;\/;S1CiN OF RECLAWMON,y <br /> Room 215, c/o Mr. Brock Bowles MiNiNG &SAFETY-MIN <br /> 1001 E 62nd Ave <br /> Denver, CO 80216 <br /> Dear Brock; <br /> RE: McAtee Construction Company - Riverside Pit - M-1976-056 <br /> Revised Bank Protection Plan <br /> After our discussion on the Bank Armoring Plan I went back and reviewed the existing <br /> plan and made some revisions to be it in line with the amended Reclamation Plan. The primary <br /> changes to the text were to better define what 050 material size would be used and to define <br /> the lengths and amount of materials needed to complete armoring in the Lake Marjorie <br /> amendment area and in East Lake. McAtee also is committed to having no more that 300 feet <br /> of bank area open that needs armoring at any-one-time and to have enough materials on site to <br /> complete the bank slope armoring. On the attachments I changed the south cross-section to <br /> show the new setback distance where the City of Sterling now owns everything east of the <br /> amended permit line, immediately along the west bank of the Lowline Ditch and added one to <br /> show the setbacks on the amendment area. I also, revised the FIMA Firmett maps to show <br /> the existing permit area and added a Safety Factor calculation page for the D50 armoring <br /> materials. <br /> If you have more questions or need more information please call me at (303) 423-7297. <br /> Sincerely, <br /> 15141.0 e- <br /> Stevan L. O'Brian <br /> President <br /> cc McAtee Construction Company <br /> Brock Bowles - via e-mail <br /> file <br />