2015-12-11_PERMIT FILE - C1981008 (2)

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5. The road has been in use for 13 years with no problems of any kind regarding stability, compaction and crowning. 6. The profile of the road on Map 2.05.3(3)-8 shows that the majority of the grade is less than 4.0% while only one portion of approximately 280 feet is at a grade of approximately 6.97%. This meets the criteria of Rule 4.03.1(3). 7. All drainage crossings have been designed with culverts to handle the peak runoff from the 10 year 24 hour event. See Map 2.05.3(3)-1 Surface Hydrology and Attachment 2.05.3(3)-1-3 Collection/Diversion Culverts and Ditches for the details of the drainage basins, and the designs of the culverts and roadside ditches. Many of these structures have been in place for many years without any operational problems. 8. Side slopes of the minor fills area maximum of 3H:1 V slope and areas mild as 5H:1 V in some places. 9. The minimal slopes of the minor fills have been vegetated and are extremely stable and do not result in any measurable erosion or damage to the hydrologic balance. As previously stated, the majority of these fills are less than 1 foot in height. 10. The crossing of the reclaimed County Road 2700 and the Northeast Perimeter Haul Road has been specially designed in order to ensure that the County Road does not incur damage as a result of the heavy truck traffic crossing. This crossing was approved by Montrose County in the issuance of the Special Use Permit in 1999. This permit is contained in Attachment 21.05.3(3)-8 County Agreements. The following pages show the details of the construction of the crossing. The perimeter haul road - 2700 road crossing was designed by Del -Mont Consultants in 2007, and approved by Montrose County the same year. The road was constructed in 2008. Detail drawings and specifications from Del -Mont Consultants can be found in Attachment 2.05.3(3)-8. Page 2.05.3(3)-27 October 2015 (TR -69)