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Minnesota Pollution OSTP Design Summary Worksheet UNIVERSITY '_''-, '? <br /> Control Agency OF MINNESOTA <br /> Property Owner/Client: Pillar Homes Project ID:E= v 11.09.22 <br /> Site Address: 13955 Watertown Road,Orono, Hennepin County (site B) + <br /> 1. AVERAGE DESIGN FLOW: <br /> A Design Flow:F 750 Gallons Per Day(GPD) Note: The estimated design flow is considered a peak flow rate Including a safety <br /> factor.For long term performance,the average daily flow is recommended to be< <br /> B. Septic Tank capacity: 2250 Gallons 60%of this value. <br /> C. Number of Septic Tanks or Compartments: C� Effluent Screen£t Alarm? NO <br /> Type of Sol Treatment and Dispersal Area• Type of Distrilwton* <br /> Q Trenches Q Bed ©Mound Q At-Grade <br /> Q Gravity Distribution Q Ptessurc Distribution-Level Q Pressure Distrtsttion-Unkrel <br /> Q Drip Distrib. Q Holding Tank Q Ott <br /> 'Selection Required Benchmark Eley= 1003.6 ft <br /> System Type Benchmark Location: top of iron—� <br /> G Type I Q Type 11 El Type I II []Type IV ❑Type V Type of Distribution Media: <br /> Rock <br /> D. Pump Tank f Capacity: Gallons Pump Tank 2 Capacity: Gallons <br /> 2. SITE EVALUATION: <br /> A. Depth to Limiting Layer: 14 inches 1.2 it Elevation ft Location of Limiting Layer: 987 ft <br /> B. Measured Percent Land Slope: 4.0 % 0-0 Location: I shoulder —� <br /> C. Soil Texture:I — Loam Perc Rate: 12.6 MPI <br /> D. Soil Hydraulic Loading Rate: 0.60 GPD/ft2 E.Contour Loading Rate 12.0 Gal/ft <br /> 3. DESIGN SUMMARY <br /> Trench Design Summary <br /> Dispersal Area �fe Sidewatl Depth in Trench Width in <br /> Total Lineal Feet ft Number of Trenches Maximum Trench Depth in <br /> Designer's Max Trench Depth[:==in <br /> Bed Design Summary <br /> Absorption Area C�fe Media Below Pipe in Bed Length ft <br /> Bed Width E=ft Maximum Bed Depth =in Designer's Max Bed Depth =in <br /> Mound Design Summary <br /> Absorption Area 625 ft2 Bed Length 63 ft Bed Width 10,0 ft <br /> Absorption Width 20.0 ft Clean Sand lift 1.8 ft Berm Width (slope 0-1%) it <br /> Upslope Berm Width 13.0 ft Downslope Berm Width 20,0 it Endslope Berm Width 13.0 it <br /> Total System Length $9 it Total System Width 43 ft <br /> At-Grade Design Summary <br /> Absorption Bed Width ft Absorption Bed Length —�it System Height ft <br /> Absorption Bed Area r—�f z Upslope Berm Width ft Downslope Berm Width rift <br /> Endslope Berm Width =ft System Length =ft System Width =ft <br />