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6) The profile of the road on Map 2.05.3(3) -8 shows that the majority of the grade is less <br />than 4.0% while only one portion of approximately 280 feet is at a grade of approximately <br />6.97 %. This meets the criteria of Rule 4.03.1(3). <br />7) All drainage crossings have been designed with culverts to handle the peak runoff from <br />the 10 year 24 hour event. See Map 2.05.3(3) -1 Surface Hydrology and Attachment <br />2.05.3(3) -1 -3 Collection /Diversion Culverts and Ditches for the details of the drainage basins, <br />and the designs of the culverts and roadside ditches. Many of these structures have been in <br />place for many years without any operational problems. <br />8) Sideslopes of the minor fills are a maximum of 3HA V slope and are as mild as 5HA V in <br />some places. <br />9) The minimal slopes of the minor fills have been vegetated and are extremely stable and <br />do not result in any measurable erosion or damage to the hydrologic balance. As previously <br />stated, the majority of these fills are less than 1 foot in height. <br />10) The crossing of the reclaimed County Road 2700 and the Northeast Perimeter Haul <br />Road has been specially designed in order to ensure that the County Road does not incur <br />damage as a result of the heavy truck traffic crossing. This crossing was approved by <br />Montrose County in the issuance of the Special Use Permit in 1999. This permit is contained <br />in Attachment 21.05.3(3) -8 County Agreements. The following pages show the details of the <br />construction of the crossing. <br />The perimeter haul road - 2700 road crossing was designed by Del -Mont Consultants in <br />2007, and approved by Montrose County the same year. The road was constructed in 2008. <br />Detail drawings and specifications from Del -Mont Consultants can be found in Attachment <br />2.05.3(3) -8. <br />Revised June 2010 (PR06) 2.05.3(3) -28 <br />