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Kiowa Clay Mine, M•2007-009 <br />Response to Adequacy Comments <br />17 April 2007 <br />Page 4 <br />USDA soil survey, Exhibit I of the 112 permit application, includes some amount <br />of penetration into the sedimentary substrate. <br />The reapplication of overburden and topsoil will provide a suitable plant growth <br />medium for native grasses. Topsoil will be salvaged to a depth of 6 inches and <br />stockpiled separately (see Exhibit E in the original 112 permit application). <br />According to Rule 6.4.9, the applicant must salvage topsoil (or other material) for <br />establishment and maintenance of plant growth. This topsoil will be redistributed <br />across the site evenly, creating a surface suitable to plant growth. <br />6. The mining plan under Exhibit D states that a diesel fuel tank may be <br />mobilized with mining equipment. Please note that the following policies <br />are in effect for all DRMS permitted sites: All petroleum and/or hazardous <br />material storage tanks on site for any period of time shall have secondary <br />containment. A Tined berm musf be constructed around non-double-walled <br />tanks to remain on site. The dimensions of Phis berm must be capable of <br />containing all contents of the tank (when full) plus 10% of the tank's <br />capacity. The liner shall cover the entire containment basin as a barrier to <br />infiltration. <br />The applicant understands the policies in effect for all DRMS permitted sites and <br />will adhere to all applicable laws concerning spill prevention and other applicable <br />tank registration requirements. The Kiowa Clay Mine will have no hazardous <br />material on site for any period of time. <br />Diesel fuel tanks may be deployed to the site during campaign mining. Portable <br />fuel tanks will typically have adouble-wall design, providing internal containment. <br />A lined berm will be constructed around non-double walled tanks, though none is <br />likely to be employed at the site. Given the limited scope of operations at this <br />site, the volumetric capacity of diesel tanks that would be utilized at this site are <br />likely to be below the threshold for SPCC regulation. <br />7. Please state of owner of record for all existing impoundments, cattle pens, <br />and fencing. If the owner of record for these structures differs from the <br />owner and operator of this proposed permit, then procedures listed under <br />Rule 6.3.12 must be followed. The owner of record must be listed, along <br />with the following if the owner of record is not the operator/applicant. <br />There are 3 structures within 200 feet of the affected acres: a County Road, <br />overhead power lines, and finally, a cattle pen. The County Road is owned by <br />Elbert County Road and Bridge, and the power lines are owned by Mountain <br />View Electric Association, Inc. Structure agreements have been sent to Elbert <br />County Road and Bridge and Mountain View Electric Association, Inc., and <br />