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<br />n <br />U <br />r. <br />u <br />SEDIMENT CONTROL DESIGN <br />CARBON JUNCTION MINB <br />OARRIDGE ENERGY, INC. <br />NAB OF STRUCTURE: East Collection Channel <br />TYPE OF STRUCTURE: Collectioa chaaael for disturbed runoff after <br />miniag. <br />IACATION: Along east side of pp*+~*+eat channel realignment. <br />STORM TYPE: 10 yr. 24 hr. event. <br />BASIC DATA <br />1. PRECIPITATION EVENT: <br />2. WEIGHTED SOILS COMPLEX NO: <br />3. LENGTH: <br />4. AREA: <br />5. SLOPE: <br />6. HYDRAULIC LENGTH: <br />7. RUNOFF: <br />8. TIME CONCENTRATION, HOUR <br />9. PEAK DISCHARGE PER UNIT: <br />10. TOTAL PEAK DISCHARGE: <br />STRUCTURE DESIGN <br />2.25 in. <br />90 <br />3000 ft. <br />0.037 sgmi. <br />7.68 <br />3000 ft. <br />1.31 <br />.18 <br />820 cfs/in/sgmi. <br />39.75 cfs. <br />1. LENGTH: 3000 ft. <br />2. WIDTH: 10 ft. <br />3. HEIGHT: 1.0 ft. <br />9. FLOW DEPTH AT PEAK DISCHARGE: 0.94 ft. <br />5. SAFETY FACTOR, BOTTOM: 1.99 <br />6. SAFETY FACTOR, SIDES: Ok <br />7. WALL SLOPE: 1V:3H <br />8. VELOCITY: 9.03 fps. <br />9. D/50: 1.0 ft. <br />DESIGN: Ditch 10 ft. wide, 1 ft. deep with 1V;3H slopes. <br /> <br />+~ <br />i <br />