Laserfiche WebLink
1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> <br /> <br />SEDIMENTATION POND R - As Built Specifications <br />- Sedimentation pond designed for 10-year, 24-hour event. <br />- Emergency spillway designed for 25-year, 24-hour event. <br />- Antecedent moisture condition II <br />- Weighted curve number - 69 <br />- Sediment volume -0.07 Ac-Ft. <br />- Runoff volume - 0.67 Ac-Ft. <br />- Total volume - 0.74 Ac-Ft. <br />- Emergency spillway height above bottom of natural channel is less than <br />ten feet. <br />- Relative elevation top of dam - 95.1 <br />- Relative elevation top of decant - 93.7 <br />- Relative elevation crest of spillway - 93.9 <br />- Depth of floe in spillway for 25-year, 24-hour event - 0.2 Ft. <br />- Relative elevation dewatering hole - 91.0 <br />- Diameter of dewatering hole - 1 inch <br />- Detention time - 48.1 hours <br />