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Minnesota Pollution <br />Control Agency <br />OSTP Design Summary Worksheet UNIVERSITY' ~k <br />OF MINNESOTA �w <br />v 11.09.22 <br />Property Owner/Client: Pamela Gregory Project ID: E== <br />Site Address: 1385 Stubbs Bay Road N, Orono, Hennepin County <br />1. <br />AVERAGE DESIGN FLOW: <br />A <br />Design Flow 450 Gallons Per Day (GPD) Note: The estimated design flow is owWdwed a peak flow rate including a Safety <br />S. <br />factor. for long tern performance, the avrrW daily flow is recorrxnended to be < <br />Septic Tank capacity: 2000 Gallons 60% of this value. <br />C. <br />Number of Septic Tanks or Comportments: C 2 � Effluent Screen & Alarm? No <br />Type of Sol TnN&nent and Dispersal Are Type of DtSMbuftl* <br />0 Trenches 0 Bed @) MomW ��t'�mdo 0 Gravity Distribution Q Pressure Mabutim4evd 0 t macre DktrbutionAhLevd <br />0 Drip DistrDb. 0 ►ioldtg Tads 0 Oil.,= <br />• Selection Required Benchmark Elev = 100 ft <br />System Type Benchmark Location: top of iron <br />Q Type 1 0 Type II 0 Type III 0 Type IV 0 Type V Type of Distribution Media: <br />Rock <br />D. <br />(— <br />Pump Tank f Capacity: 771Galtons Pump Tank 2 Capacity: =Gallons <br />L <br />2. <br />SITE EVALUATION: <br />A. <br />Depth to Limiting Layer: 20 inches 1.7 It Elevation a Location of Limiting Layer: 103.4 ft <br />B. <br />Measured Percent Land Slope: 5.0 % 0.0 Location: <br />C. <br />Soil Texture: �— Loam Perc Rate: MPI <br />D. <br />Soil Hydraulic Loading Rate: 0.60 GPD/ft2 E. Contour Loading Rate 12.0 Gal/ft <br />3. <br />DESIGN SUMMARY <br />Trench Design Summary <br />Dispersal Area �ftz Stdewalt Depth in Trench Width in <br />Total Lineal Feet oft Number of Trenches Maximum Trench Depth in <br />Designees Max Trench DepthE==in <br />Bed Design Summary <br />Absorption Area Ift2 Media Below Pipe in Bed Length it <br />Bed Width [=ft Maximum Bed Depth =in Designees Max Bed Depth =in <br />Mound Design Summary <br />Absorption Area 375 ft2 Bed Length 38 It Bed Width 10.0 ft <br />Absorption Width 20.0 ft Clean Sand Lit 1.3 It Berm Width (slope 0.1%)it <br />Upstope Berm Width 11.0 ft Downslope Berm Width 19.0 ft Endslope Berm Width 12.0 it <br />Total System Length 62 ft Total System Width It <br />At -Grade Design Summary <br />Absorption Bed Width it Absorption Bed Length It System Height It <br />Absorption Bed Area e_--�fe Upslope Berm Width ft Downslope Berm Width ft <br />Endstope Berm Width =ft System Length =it System Width =ft <br />