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CONVERSION OF SLURRY POND TO SEDIMENTATION POND <br /> GENERAL NOTES <br /> 1 ) ELEVATIONS SHOWN ON FIGURES 2 AND 3 ARE FOR REFERENCE ONLY AND DO NOT IN- <br /> DICATE TRUE ELEVATION ABOVE MEAN SEA LEVEL. FINAL ELEVATIONS WILL BE DE- <br /> TERMINED FROM POND BOTTOM ELEVATION. <br /> 2) A TRASHRACK OF THE "KANSAS-TYPE" SHALL BE PROVIDED AT EACH SPILLWAY INLET. <br /> THE TRASHRACKS SHALL INCLUDE ANTI-VORTEX BAFFLES. <br /> 3) RIPRAP MATERIAL SHALL BE OF FREE-DRAINING, DURABLE ROCK, RANGING IN SIZE <br /> FROM 3 TO 15 INCHES IN DIAMETER, D50 = 9 INCHES. <br /> 4) A SEDIMENT LEVEL INDICATOR SHALL BE PROVIDED WHICH MARKS THE SEDIMENT <br /> CLEANOUT LEVEL IN THE POND. <br /> 5) SUFFICIENT RIPRAP SHALL BE PLACED ON POND SLOPES AT ALL POINTS WHERE <br /> CHANNELS ENTER THE PONDS AND THE NATURAL DRAINAGEWAY OF THE CREEK TO PRE- <br /> VENT UNDUE EROSION AT THESE POINTS. <br /> 6) DISCHARGE CHANNEL FROM POND TO CREEK SHALL BE CONSTRUCTED TO A CONFLUENCE <br /> WITH THE CREEK ALONG THE STRAIGHTEST REASONABLE PATH, TO BE DETERMINED AT <br /> THE TIME OF CONSTRUCTION. TWENTY-FOUR INCH DIAMETER CONDUITS SHALL BE <br /> USED AT ROAD CROSSINGS AS NEEDED. CHANNEL SHALL BE RIPRAPED ALONG ALL <br /> PORTIONS OF GRADIENT 4 PERCENT OR GREATER. <br /> 7) A CLEAN WATER DIVERSION DITCH SHALL BE CONSTRUCTED AT BASE OF UNDISTURBED <br /> SLOPE TO KEEP UNDISTURBED RUNOFF OUT OF'THE SEDIMENTATION POND SYSTEM. <br /> i . <br /> 48 <br />