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Application for Reclamation Permit - Schmidt Site - M- 2011 -014 Exhibits P. 39 <br />6.5 Geotechnical Stability Exhibit <br />The following three sheets (drawings S3a, b, and c) show details of the slope and cutbank <br />stabilization to be used in the construction on the Schmidt Site. Various techniques, as <br />shown, will be used, based on materials available and exact nature of the slopes and <br />soils, including height, bearing strength, materials available, and potential risk of <br />damage, slope failure, and erosion. Key elements include preventing ANY slumping, <br />slope failure, erosion, or sediment from occurring off -site or in areas with no disturbance <br />planned on -site, use of as much on -site material (such as cobbles and boulders) as <br />possible, use of recycled materials, and aesthetics. The precise type of wall to be used <br />will be determined at the time excavation is completed. Based on past excavation and <br />current slope and soil conditions, there is some actions necessary to ensure long -term <br />stability and protection from damage by weather and human action. In addition, <br />County regulations related to environmental health and safety, and sound engineering <br />and construction, must be followed. The techniques shown on the following drawings are <br />in use in many other locations with similar soil and climate conditions and have been <br />demonstrated to be successful for periods of 20 years and more. Selection and <br />construction of the specific alternatives will be reviewed, approved, and as necessary <br />supervised by a licensed professional engineer. <br />Prepared by Nathan A. Barton, PE, 26 September 2011. <br />DALE AND ELLEN SCHMIDT, 472 Meadows Drive, Pagosa Springs, CO 81147, (970) 946 -6262 <br />©2011 WASTELINE, INC. 30 September 2011 <br />P 47 <br />