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Hydraulic Structure Geometry <br />Number of Devices: <br />--- Device Number 1 --- <br />Device Type : Sand Filter <br />Elev of Filter Top (ft) 100.00 <br />Filter Surface Area (sq-ft) 36. <br />Filter Thickness (ft) 1.80 <br />Permeability (in/hr) 24.82 <br />**********************FLOOD FREQUENCY AND DURATION STATISTICS******************* <br />----------------------SCENARIO: PREDEVELOPED <br />Number of Subbasins: 2 <br />Number of Links: 1 <br />----------------------SCENARIO: POSTDEVELOPED <br />Number of Subbasins: 3 <br />Number of Links: 3 <br />********** Link: DETENTION TANK <br />Stats <br />WSEL Frequency Data(ft) <br />(Recurrence Interval Computed Using Gringorten Plotting Position) <br />Tr (yrs) WSEL Peak (ft) <br />-------------------------------------- <br />1.05-Year <br />102.698 <br />1.11-Year <br />102.901 <br />1.25-Year <br />103.220 <br />2.00-Year <br />103.944 <br />3.33-Year <br />104.773 <br />5-Year <br />105.449 <br />10-Year <br />106.216 <br />25-Year <br />107.535 <br />50-Year <br />107.684 <br />100-Year <br />107.855 <br />********** Link WSEL <br />***********Groundwater Recharge Summary ************* <br />Recharge is computed as input to Perind Groundwater Plus Infiltration in Structures <br />Total Predeveloped Recharge During Simulation <br />Model Element Recharge Amount (ac-ft) <br />Subbasin: PREDEVELOPED 96.733 <br />Subbasin: FLOW THROUGH 42.407 <br />Link: POC 0.000 <br />Total 139.140 <br />