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OSTP Design Summary Worksheet UNIVERSITY - ;' <br /> Minnesota Pollutions '�f <br /> Control Agency OF MINNESOTA } ,,,.-w 4.i�� <br /> Property Owner/Client: Mollie&William Reynolds ProjectID: v 11.09.22 <br /> Site Address: 665 Orchard Park Road(Site B)Rock bed# 1 &2 <br /> 1. AVERAGE DESIGN FLOW: <br /> A. Design Flow: 375 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 doily flow is recommended to be< <br /> B. Septic Tank capacity: 2250 Gallons 60%of this value. <br /> c. Number of Septic Tanks or Compartments: 2 Effluent Screen&Alarm? Optional <br /> Type of Soil Treatment and Dispersal Area* Type of Distribution* <br /> O Trenches O Bed O. Nand 0 At-Grade <br /> 0 Gravity Distribution p Pressure Distribution-Level 0 Presswe Distribution-tinlevel <br /> O Drip Distil,. 0 Holding Tank 0 <br /> Selection Required Benchmark Elev= 1000 ft <br /> System Type Benchmark Location:1W.corner of existing hou <br /> d Type I ElType II 0 Type III El Type IV ❑Type V Type of Distribution Media: <br /> Rock <br /> D. Pump Tank t Capacity: Gallons Pump Tank 2 Capacity: Gallons <br /> 2. SITE EVALUATION: <br /> A. Depth to Limiting Layer: 18 inches 1.5 ft Elevation &Location of Limiting Layer: 997.4 ft <br /> B. Measured Percent Land Slope: 6.0 % 0.0 Location: summit <br /> C. Soil Texture: Loam Perc Rate: 8 MPI <br /> D. Soil Hydraulic Loading Rate: 0.45 GPD/ft2 E.Contour Loading Rate 12.0 Gal/ft <br /> 3. DESIGN SUMMARY <br /> Trench Design Summary <br /> Dispersal Area ft2 Sidewalt 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 ft2 Media Below Pipe in Bed Length ft <br /> Bed Width ft Maximum Bed Depth • in Designer's Max Bed Depth in <br /> Mound Design Summary <br /> Absorption Area 312.5 ft2 Bed Length 32 ft Bed Width • 10.0 ft <br /> Absorption Width 26.0 ft Clean Sand Lift 1.5 ft Berm Width (slope 0-1%) ft <br /> Upslope Berm Width 11.7 ft Downslope Berm Width 20.5 ft Endslope Berm Width 12.3 ft <br /> Total System Length 57 ft Total System Width 42 ft <br /> At-Grade Design Summary <br /> Absorption Bed Width ft Absorption Bed Length ft System Height ft <br /> Absorption Bed Area ft2 Upslope Berm Width ft Downslope Berm Width ft <br /> Endslope Berm Width ft System Length ft System Width ft <br />