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Epvi* ropept, li)c. <br /> LARRY E.O'BRIAN 7985 VANCE DRIVE,SUITE 205A <br /> FOUNDER I ARVADA,COLORADO 80003 <br /> STEVAN L.O'BRIAN 303-423-7297 <br /> PRESIDENT FAX 303-423.7599 <br /> December 12, 2014 <br /> Mr. Tyler O'Donnell <br /> Division of Reclamation, Mining& Safety <br /> 1313 Sherman St., Suite 215 <br /> Denver, CO 80215 <br /> Dear Tyler; <br /> RECEIVED <br /> RE: Albert Frei and Sons, Inc. �[C 1 5 2014 <br /> Hatchery Pit - M-2014-043 <br /> Memo Response tv DIVISION OF RECLAMATION <br /> MINING AND SAFETY <br /> On behalf of my client Albert Frei and Sons, Inc., I am responding to the Memo from Mr. <br /> Peter Hays in your second adequacy review letter dated November 24, 2014. I have included his <br /> review points that need to be addressed in the order presented so the questions and answers will <br /> be in the same document for easy reference. <br /> 29) Please address and respond to the following 1 I questions asked in the memo from DRMS's <br /> staff. <br /> Mr. Hays Memo points <br /> 1. Please update the stability analysis to include surcharge loads from structures,roads(Monaco <br /> Street), gas well facilities, topsoil stockpiles and any other appropriate loads. <br /> A stability analysis, using DRMS recommended parameters, including surcharge load <br /> point of 1000 Ib/sf for Monaco Street and a 6 foot tall safety berm was included in <br /> the model. See Figures 1 through 4 & 6 in the attached report. <br /> 2. Please clarify if the 200 foot offset from the City of Thornton Reservoir slurry wall if from the <br /> centerline of the slurry wall, eastern toe of the slurry wall embankment or other reference point. <br /> Please update and mining and reclamation plan maps accordingly. <br /> No mining will take place within 200 feet of the eastern most point on any part of <br /> the slurry wall or dam structure owned by the City of Thornton. The existing <br />