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<br />NfF.LlO to Tim Krocesky <br />June I5, 1001-Adq. Rev. Ltr/M--1001-035?rout Creek Pit <br />Page 3 <br />017. Will the sand extraction proposed for Area B intercept the creek as it flows underground? If it does and <br />water is exposed to the atmosphere, you will be required to commit to recovering the water to a depth of <br />at least two feet or you will be required to provide the Division evidence from the State Engineer's <br />office of your right to expose ground water. If ground water will be exposed, the reclamation plan must <br />be changed to reflect that land use. <br />0~8. How will the flows of flood events such as a 10 year 24 hour storm in the Trout Creek Drainage be <br />handled through the permit azea? <br />Exhibit S-Permanent Man-Made Structures <br />Ol<' 19. Show the concrete lined ditch that is within Area B on the pre-mining, mining and reclamation maps (if <br />it will remain upon reclamation) and address (a) or (b) of Rule 6.4.19 as appropriate. <br />Geotechnical Stability Eahibit <br />~~" 2~1 )n accordance with Rule 6.5 (1), provide an evaluation (Geotechnical stability analysis) of the quarry <br />1 ~1~(1i highwall during mining and upon completion of the mining operation. You have stated that the bench <br />width may range from 6 to 10 feet. Use that bench width range in completing your analysis. <br />b~ 21 j ~ In accordance with Rule 6.5(4) demonstrate through appropriate blasting, vibration, geotechnical, and <br />~~~ structural engineering analyses that the roller compacted concrete dam on Trout Creek will not be <br />adversely affected by blasting. <br />ahd\OOadequacy letters\tim krocesky m-2001-035 6-IS-01 Ido <br />