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ENTECH <br /> January 8, 2019 ENGINEERING , INC . <br /> Turkey Canon Quarry, Inc. CCOLORADO O14SPRINGS,CO B0907 <br /> 20 Boulder Crescent St., 2nd Floor PHONE(719)531-5599 <br /> FAX (779)531.5238 <br /> Colorado Springs, CO 80903 <br /> Attn: Mark Morley <br /> Re: Vollmer Pit <br /> Permit Number M-1983-035 <br /> El Paso County <br /> Dear Mr. Morley, <br /> As requested, personnel of Entech Engineering, Inc. have observed the existing berms around the <br /> above referenced pit. The pit was operated by Schmidt Construction Company. An aerial of the pit <br /> is attached with this letter. <br /> It is our understanding that the existing perimeter soil berms are to be removed as part of the mine <br /> closure. Information regarding the berms composition and construction was provided by Scott Davis <br /> who was the project manager on the Black Forest Property (Vollmer Pit)for Schmidt Construction. <br /> The berms were placed to shield the pit operations from view of surrounding properties. The berms <br /> were reportedly constructed from the overburden soils within the pit. The overburden soils in this <br /> area typically consist of Silty sands. Scrapers and dozers were reportedly used to place the berm <br /> materials. <br /> The berms to be removed are constructed above adjacent grades. The removal of the berms will <br /> not require excavation below the grades of the adjacent properties. Due to the use of overburden <br /> soils from the pit to build the berms, efforts to remove them are not expected to be difficult. It is <br /> anticipated that the berm soil will be picked up with scrapers to be placed within the interior of the <br /> property. One house is situated with its side yard adjacent to the property (see site aerial). The <br /> remaining adjacent structures have rear yards between houses and the property. The distance from <br /> the toe of the berm to the nearest house is approximately 40 feet. The majority of the earth moving <br /> will be at distances greater than 50 feet. Again, no excavation for the berm removals will be below <br /> the existing grade outside of the berm area. <br /> It is our opinion that the berm removal will not impact the adjacent properties based on our <br /> observation of the site, the proposed construction, location, and the grades of the berms. During <br /> operations, BMP;s for erosion and dust control should be implemented. <br /> We trust that this has provided you with the information you require. Should you have any questions <br /> or need further information, please do not hesitate to contact us. <br /> Respectfully Submitted, <br /> ENTECH ENGINEERI IN> -. p:°O�roF <br /> O& OULf1v�••.�s <br /> C Goode Jr., N 2372 m <br /> esident 9;0 <br /> O <br /> Enclosure NA-- <br /> ssi <br /> Entech Job No. 171070 �..- <br /> F:\AA pmjects1201811710701171070.Berm doc <br />