Laserfiche WebLink
Feb-05-07 11:34A Phillips County <br />Permit - 1 Confidental?: <br />Class: Type-Seq.: <br />From: To:~~3~,~n..e~ <br />Doc. Name. <br />Doc. Date (if no dal tar(f <br />Mr. Thomas Schreiner <br />H;nvirunmental Protection Specialist <br />Division of Rcraarnation, Mining and Saloty <br />1313 Sherman Street, Room 215 <br />L)cnvar, CU 80203 <br />Rh;; Adequacy Review C.orliss Sand Pit. <br />M-2007-UU1 <br />llcar Mr. Sctrrciner: <br />970 S54 3811 <br />ao5s~ C'n. Ra. 21 <br />Haxtun, CQ 80731 <br />h'cbruary 5, 2007 <br />RECEiyEp <br />~ 05 2007 <br />DivMin,n of Rectamahott <br />9 and Safety <br />t am providing a response to your letter of Jtuntary i Ci, 2007 and the adequacy cuncents <br />regarding tltc Corliss Sand Pit. I ant showing Utc questions raised as you prescnttxl them. <br />The responses are in bold. <br />(i.3.3 Ii~HF131't' C'-Mining, Platt <br />I . In conlotmance with Rule G.3.3, please clanil'y the maximum disturbance to be <br />expected at arty one time throughout the fife of the operation, i.u.: maximum pit <br />dimensions 8c depth, tnvtimum volume of overburden to he stockpiled, maximum <br />volume of topsoil to be salvaged and stockpiled for reclamation, and maximum <br />number of acres to he re-vegetated. <br />We would anticipate that the n-aximum disturbance open atone time will be about 2 <br />acres. That would encompass are area approximately 3UU' x 300' x 2U' in depth. <br />Overall maximum pit dimensions will be approximately G57' by 65T as shown un <br />tLe original Mining Plan drawing. in the original application we indicated that the <br />top 4-5 feet below the topsoil is not suitable for manufacturiug concrete. However, <br />it will be mined and sold for landscaping ur rrther construction purposes. '!'here is <br />no intent of any stockpiling of this overburden. The estimated 4" of topsoil at the <br />site will be stockpiled as each arcs is opened. The maximum volume of that <br />stockpile is anticipated to he about 5300 col>ic yards. All of that stockpile will be <br />salvaged for use in reclamation. '1'hcn entire 9.9 acres will be re-vegetated during <br />reclamation. <br />2. The applicant specifies that the waicr table below the site is approximately 25-3U <br />feet and that the anticipated mining depth will be 20 Cora. Please commit to <br />limiting the excavation to no more than two (2) feet above the groundwater <br />surlaec, and to immediately backfilling any exposed groundwater if encountered <br />throughout the mining operation. <br />