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• ~ MAXWELL MIrIE <br />SEDIMENTATION POND 004 <br />SUMMARY OF CPLCULATIONS <br />CONTRIBUTING AREAS: <br />RUNOFF STORM INTENSITY <br />AREA ACRES lOYR-24HR lOYR-PEAK (IPH1 <br />004-1 9.9 0.79 3.80 <br />004-2 3.4 0.27 3.94 <br />004-3 1_1 0 17 2.80 <br />TOTAL 14.4 AC 1.23 AC-FT <br />SEDIMENT DETENTION: <br />60% SEDIMENT LOAD: 0.06 AC-FT PER ACRE REOUTRES 0.86 AC-FT <br />1007< SEDIMENT LOAD: 0.10 AC-FT PER Af.RF REOUIP.ES 1.44 AC-FT <br />• VOLUME SURFACE <br />STORAGE AC-FT ACRES ELEVATION <br />BOTTOM POND - 0.53 7.067.5' <br />60% SEDIMENT 0.86 0.59 7.069.0' <br />100% SEDIMENT 0.58 0.63 7.070.0' <br />RUNOFF 1.23 0.71 7.071.8' <br />DIRECT RAIN 0.18 0.73 7,072.1' <br />To SPILLWAY 1.08 0.78 7,073.5.' <br />ToP of Porto - 0.86 7,075.5' <br />TOTAL 3.93 <br />EMERGENCY SPILLWAY: <br />AT A STORM INTENSITY GREATER THAN A 25-YR-24-HR <br />EVENT. THE FLOIJ IN THE SPILLWAY SHALL r1OT EXCEED A <br />DEPTH OF 0.59 FT. ALL04JING 1.41 FT FREEBOARD. <br />- 13 <br />