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Attachment A Design Criteria <br />Design Criteria <br />Topic <br />Existing Roads <br />Design Criteria for the Proposed Action <br />TRANSPORTATION SYSTEM <br />1. Existing roads would be left in a condition equal to or better than <br />that observed on MCC's entry into the area or to the satisfaction <br />of the USFS engineer or permit administrator. At the completion <br />of mining operations MCC will blade and crown all roads; shape <br />and repair shoulders; clean all culverts and drainage ditches; and <br />perform all other road maintenance work necessary to insure <br />satisfactory functioning of the road drainage system. <br />2. FS Roads 710, 711, Horse Gulch Road (711.2b) and Sylvester <br />Gulch Roads would be used to access area. Access to the area <br />would p-imarily be on the Sylvester Gulch Road. Periodically, <br />oversized and full -sized vehicles may need to mobilize via the <br />county portion Minnesota Creek Road, however use will be <br />minimized. <br />3. Roads will be kept clear of slides, fallen timber, and overhanging <br />brush which obstructs visibility.* <br />4. Gravel or other selected surfacing material will not be bladed off <br />of roads. <br />5. MCC must provide specific improvement and use parameters <br />using the AASHTO design criteria (Guideline for geometric <br />design of very low volume roads (2001 edition) and Design guide <br />for pavement structures (1993 edition)) for public roads (Service <br />Levels 3, 4 and 5) or as approved by Forest Engineer, to be <br />designed by a Colorado Registered <br />6. Professional Engineer, and submitted for USFS approval for each <br />road segment. The Engineer's recommendations must be <br />approved and implemented before any project related traffic may <br />use that part of the NFSR system. During the course of the project <br />the Forest Service will provide oversight of road improvement <br />activ ities and continued FS Engineering/FS designee monitoring <br />of road conditions resulting from project related traffic. <br />Temporary roads that are not open to the public are not subject to <br />AASHTO engineering standards for low volume roads. <br />Road Use <br />Permit <br />MCC Project <br />Plan, County <br />Road Use <br />Agreement <br />Federal Coal <br />Lease <br />Stipulation <br />Road Use <br />Permit <br />Forest Plan, <br />AASHTO <br />Design <br />Standard, <br />Road Use <br />Permit (FSM <br />2733.04b and <br />FSM 7730), <br />36 CFR 228 E <br />Forest Plan, <br />AASHTO <br />Design <br />Standard, <br />Road Use <br />Permit (FSM <br />2733.04b and <br />FSM 7730), <br />36 CFR 228 E <br />