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MI_.~ 1J 7 C? °RC3?rC"'.?JG ID#: M-19:4-0"2 -._G=: 3 <br />IDISPECTION DATE: 5-22-00 INSPECTOR'S IN=?-?_LS: ACS <br />inspection and the Colorado River Engineering pond report dated April 19, 2000, the <br />Division of Minerals and Geology accepts that the storm water pond was constructed <br />in general accordance with the approved design plans and specifications. <br />The Piceance Facilities construction activities were inspected, including ditch work, <br />storm water controls, and topsoil salvage and stockpiling. The final ditch work was <br />not complete, but virtually all runoff is being directed to the storm water pond. <br />One exception occurs at the northeast corner, and was discussed in the Division's <br />1/20/00 inspection report. The hay bales installed at the point of runoff <br />concentration must be reinstalled to conform to the embedding detail in figure B-5, <br />Appendix B, "Soil Conservation, Erosion and Sediment Control, Reclamation, and <br />Revegetation Plan." See problem PB-1 on the fir_al page of this report. Topsoil <br />stockpiling is not yet complete. American Soda reports that the volume of topsoil <br />salvaged for use in reclamation has exceeded the expected volume based on the soil <br />reports in the approved permit. Once topsoil stockpiling is completed, the pile will <br />be graded to 3:1 side slopes, seeded and mulched. Seeding should occur after <br />September 15`°. <br />The main well field access road, individual well roads, and well pads were inspected. <br />A very high level of construction quality was observed in the road construction, <br />ditches and culverts. Well pads are typically constructed into shallow hillsides <br />by first salvaging and stockpiling surface soil then grading a level cut and fill <br />pad. The only potential problem observed in this area of the project was again the <br />embedding of the hay bale storm water controls. In locations where multiple rows <br />of bales are required, the seam between bales should be offset in successive rows <br />to provide complete settlement of solids and prevent muddy water from bypassing <br />treatment by flowing through aligned seams. <br />I & E Contact Address <br />NAME Chris Freeman <br />OPERATOR American Soda LLP <br />STREET 2717 County Road 215 <br />CITY/STATE/ZIP Parachute, CO 81635 <br />cc: Carl Mount, DMG <br />~L~ j ~ IC d irl+~ <br />p ~-I- 3(~ 7 ~ ~ 2'7 I <br />