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under roadway, (3) Culverts under proposed excavations and other activities on the <br /> driveways onto River Run Drive. Schmidt Site, and at elevations below the deepest <br /> excavation on the Site. Only runoff from the actual <br /> access road for the Schmidt Site might discharge into <br /> the ditches along the road, and, per County <br /> requirements,the Schmidts are obligated to maintain <br /> the culvert for that driveway and the associated <br /> stretch of roadside ditch.This discharge would be <br /> minimal and unlikely to damage the road or other <br /> culverts and ditches.The roadside ditches and culverts <br /> are assumed to be designed as for all of the parcels <br /> along the uphill side of River Run Drive to handle <br /> historical flows from the properties, and the Schmidt <br /> Site activities and reclamation actually reduces flow <br /> from the site by creating retention and detention <br /> basins. <br /> La Plata County Electric Association (LPEA): This is addressed in the notarized letter from LPEA. <br /> Power line and pole located in easement <br /> across the Schmidt Site, including access to <br /> that pole and easement. <br /> It is my professional opinion that none of the structures identified above will be damaged by any <br /> activities occurring at the mining operation. <br /> Ae <br /> 1s�F��; !Nathan A. Barton, CE, PE, DEE <br /> 10-� :'� �••'' ��+y Licensed Professional Engineer <br /> OS February 2018 <br /> 2 : Z' <br /> 2-' <br /> :�o <br /> 00 . <br /> 0 <br /> iniano���'� <br /> Page 4 of 4 pages <br />