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INTERFERE WITH OR INTERRUPT THE PERMANENT OPERATION OF THE DRAINAGE SYSTEb1. THESE PLANS MUST BE SUBMITTED BY SEPTEMBER 30, 1981 IN THE CASE OF PLANS FOR THE CAPPING OF WELLS AND, IN THE CASE OF PLANS FOR THE SEALING OF PORTALS, SUCH PLANS MUST BE SUBMITTED SZX (6) MONTHS AFTER COMPLETION OF THE THREE (3) PORTALS INITIALLY PROPOSED TO BE INSTALLED AND THEIR ASSOCIATED DEWATERING FACILITIES. MLRD Findings Document: Stipulation No. 39, p. 45 NOTE: This stipulation is substantially the same as stipulation No. 37 of this memo. OSM Findings Document: Stipulation No. 6, p. 5 as follows: 6. ARCO COAL must submit to the regulatory authority plans and specifications for the sealing of portals and capping of wells to demonstrate that the proposed sealing methods will not interfere with or interrupt the permanent operation of the drainage system. OSM TEA: Stipulation No. 2, p. 9 as follows: 2. Stipulation: In view of the location of the portals within a landslide block, and due to the proposed permanent drainage system at the portal benches to control movement of the block, the applicant shall submit detailed plans and specifications adequate to determine that the proposed devices wiZ1 not interfere with, nor interrupt, the permanent operation of the drainage system. 111 Stipulation: ARCO WILL SUBMIT TO THE DIVISION, PRIOR TO ANY TOPSOZLING REMOVAL, INFORMATION FROM A SOIL MONITORING PROGRAPf (CONDUCTED PRIOR TO TOPSOIL STRIPPING) IF THE MONITORING PROGRAM DEMONSTRATES THE LESS THAN Z8 INCHES' OF SUITABLE TOP- SOIL IS AVAILABLE FOR REVEGETATZON. INFORMATION FROM THE MONITORING PLAN WILL BE USED BY ARCO COAL AND THE DIVISION TO ESTABLISH AN APPROVAL SOIL HANDLING PLAN. MLRD Findings Document: Stipulation No. 26, p. 39 OSM Findings Document: Stipulation No. 8, p. 6 OSM TEA: Stipulation No. 4, p. 17 ~~_ ti~ ~ow~~~y~ 12. Stipulation: UNTIL SUCH TIME THAT ARCO C DEMONSTRATE TO HE DIVISION THE FOLLOlJING: 1) NON-COMBUSTIBILITY OF THE WASTE ROCK MATERIAL, 2) STABILITY OF WASTE ROCK STOCKPILE, AND 3) NON-TOXICITY OF WASTE ROCK MATERIAL TO SURFACE AND GROUND WATER AND VEGETATION, A FOUR FOOT COVER OF NON-TOXIC PATERIAL WILL BE REQUIRED FOR THE WASTE ROCK STOCKPILE. MLRD Findings Document: Stipulation No. 27, p. 39 OSM Findings Document: Stipulation No. 9, p. 6 OSM TEA: Stipulation No. 5, p. 17 13 STUDIEStOFn THEAINITIRLLWASTE POILELETS ~ZS URDNE~DEa~~~NDEDTHE RECORDED lJITHIN THEIR PERMIT APPLICATION. A~ ENTITLED "REPORT, IF NARY DESIGN RE DA TIONS, INITIAL WASTE ROCK PILE, .MT. GUNNISON COAL M117 , M SES-COLD ORRRCO COAL COF/PANY", PREP lRED BY GEO- HYDRO CONSULTANTS IN SAN EXHIBIT WITHIN THE PERh1IT APPLICATION. FURTffER, ARCO IS DIRECTED T REPARE APPROPRIATE DETAILED DESIGN NARRATIVE, PLANS AND CROSS- SECTIONS OF THE INITIAL [JASTE PILE, AND TO INCLUDE THEM WITHIN THE PERFI7T APPLICATION. THE DETAILED ENGINEERING DESIGN SHALL CONFORM WITH THE RECOh1b1ENDATZONS OUTLINED WITHIN THE GEO-HYDRRO CONSULTANTS PHASE I REPORT. THE DETAILED ENGINEERING DESIGN 1~ ~C ~ '1~°g'~{'l4 GI O . r ^.l v~l,r r~4.c M„~r.. pyd 'lr ~~^. p7 ~o ~ ...se ..>.. 5 ~~ ow - ~~ -..,.ter. .