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.. ` III IIIIIIIIIIIII III <br />- s ~.~ oe co • <br />~`~ ~ <br />~.., o <br />~- _Y,-- ~ a COLORADO STATE DEPARTMENT OF HIGHWAYS <br />* `y"~'~~* DIVISION OF HIGHWAYS <br />+~BT <br />September 21, 1979 <br />Reply Ref: 01040 <br />Mr. James McArdle <br />Mined Land Reclamation Division <br />Department of Natural Resources <br />1313 Sherman Street, Room 723 <br />Denver, Colorado 80203 <br />Dear Mr. McArdle: <br />The following comments are provided both in response Co your recent inquir- <br />ies and to facilitate an understanding of the parameters that the Colorado <br />Department of Highways, Division of Highways, works witfiin, <br />The Department has established specifications, determined appropriate and <br />effective by years of experience in the field, for earthwork construction. <br />These specifications are applied to reclamation aspects both along highway <br />right-of-ways and to other areas, including materials sources, that may be <br />disturbed in conjunction eaith highway construction work. The details of <br />these specifications are found in the Department's Standard Specifications <br />for Road and Eridge Construction. Sections of particular importance in pit <br />reclamation work are: 104.06, 106.02, 107.23, 207.03, 212.02, 212.05, 213.01, <br />213.02, and 213.03. <br />In addition, policy by the Department regarding notification to and coopera- <br />tion with public and private utilities and transportation corridor owners is <br />also delineated in the above document, Refer to Sections 105,06, 107,08, <br />and 107.17. <br />Fencing of materials pits can only be done with the approval of the land- <br />owner. The Bureau of Land Management does not usually give this approval. <br />Private ranchers and farmers may want livestock protected from hazards in <br />an operating pit, but they also are very concerned about locations of any <br />fences that might subdivide pastures and fields or otherwise restrict ad- <br />jacent land use. Therefore fencing will normally only be used in situations <br />where (1) the landowner consents, and/or (2) it becomes a protective <br />device against significant hazards to human safety, and/or (3) it is deter- <br />mined that due to uncontrollable factors final reclamation cannot effectively <br />be accomplished otherwise. <br />In response to the inquiries on the Shannon pit, X79-163; (1? Nearly all <br />of the affected area has been disturbed by prior mining activity. There- <br />Fore iC is doubtful that any topsoil or overburden material of a sufficient <br />quality for reclamation can be stripped in advance of present mining opera- <br />tions. However an overburden stockpile containing less than 600 cubic yards <br />-more- <br />