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Minnesota Pollution OSTP Design Summary Worksheet UNIVERSITY • <br /> Control Agency OF MINNESOTA <br /> 1. AVERAGE DESIGN FLOW: <br /> A. Design Flow: 450 Gallons Per Day(GPD) Note: The estimated design flow is considered a peak flow rate including a <br /> safety factor.For long teen performance,the average daily flow Is <br /> B. Septic Tank capacity: 2000 Gallons recommended to be<60%of this value. <br /> C. Number of Septic Tanks or Compartments: 2 Effluent Screen&Alarm? Yes <br /> -Type of Sctl Treatment and Dispersal Area -Type of Distribution <br /> 0 Trendies 0 Bed 0 At-Grade ®Mound 0 Gravity Distrhution ®Prue Distribution-level 0 Pressure Didrbdiorrunievel <br /> System Type <br /> 0 Type I 0 Type It 0 Tie In 0 Type IV 0 Type V <br /> 2. SITE EVALUATION: <br /> A. Depth to Limiting Layer: 12 inches 1.0 ft <br /> B. Measured Percent Land Slope: 6.0 % <br /> C. Soil Texture: loam Percolation Rate: 6.2 Minutes per Inch <br /> D. Soil Hydraulic Loading Rate: 0.60 GPD/ft2 E.Contour Loading Rate 12 <br /> 3 DESIGN SUAAMARY <br /> Trench Design Summary <br /> Absorption Area ft2 Sidewall Depth in Trench Width in <br /> Total Lineal Feet ft Number of Trenches Maximum Trench Depth in <br /> Bed Design Summary <br /> Absorption Area J ft2 Media Below Pipe in Bed Length ft <br /> Bed Width ft Minimum Trench Depth i in Maximum Trench Depth in <br /> Mound Design Sinn:nary <br /> Absorption Area 375 lft2 Bed Length 38 ft Bed Width 10 ft <br /> Absorption Width + 20.0 +ft Cin Sand Lift 2 in <br /> Upslope Berm Width 11 ft Downslope Benn Width 24 ft Endsiope Berm Width 13 ft <br /> Total System Length 64 ft Total System Width 45 ft <br /> At-Grade Design Summary <br /> Absorption Bed Width ft Absorption Bed Length ft System Height j Jft <br /> Absorption Bed Area ft2 Upslope Berm Width ft Downslope Berm Width ft <br /> Endsiope Berm Width ft System Length ft System Width ft <br />