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OSTP Design Summary Worksheet UNIVERSITY ,� _ <br /> Minnesota Poliution _ <br /> Control Agency OF MINNESOTA ,� �� <br /> = ti . <br /> Property Owner/Client: Ervin WaChman v 11.09.22 <br /> Project ID:�� <br /> Site Address: Proposed Lot 1 (Site B ) <br /> 1. AVERAGE DESIGN FLOW: <br /> A. Design F(ow: 75� Gallons Per Day(GPD) Note: The estimated design flow is considered a peak flow rate induding a safety <br /> jactor.For long term perjormance,the average daily jtow is recommended to be< <br /> B. Septic Tank capacity: 2250 Galtons 60%oJ this va(ue. <br /> �, Number of Septic Tanks or Compartments: �� Effluent Screen&A(arm? NO <br /> Type of Soil Treatment and Dispersal Area' Type of Distritwtion* <br /> Q Trcrxha C,Bed QQ Mound Q At-Grack <br /> Q Gravity Distribution 0 Pressure D'stribution-Level Q Pressure DisUibution-Unlevel <br /> �Dnp Distrib. � Holding Tank Cj Oth� <br /> 'Selection Required Benchmark Elev= ft <br /> System Type Benchmark Location: ASSUmed <br /> �Type I ❑Type il ❑Type III ��Type Iv (J'Type V Type of Distribution Media: <br /> Rock <br /> D. Pump Tank 1 Capacity: ��Gallons Pump Tank 2 Capacity: ��Gallons <br /> 2. SITE EVALUATION: <br /> A. Depth to Limiting Layer: 28 inches 2,3 ft Elevation &Location of Limiting Layer: 967.6 ft <br /> B. Measured Percent Land Slope: 12.0 % 0.0 Location: BaCkslOpe <br /> C. Soil Texture: LOdm Perc Rate: �MPI <br /> D. Soil Hydraulic Loading Rate: 0.60 GPD/ftZ E. Contour Loading Rate 12.0 Gal/ft <br /> 3. DESIGN SUMMARY <br /> Trench Design Summary <br /> Dispersat Area �ft2 Sidewall Depth �in Trench Width �j� <br /> Total Lineal Feet �ft Number of Trenches �� Maximum Trench Depth �in <br /> Designers Max Tre�ch Depth in <br /> Bed Design Summary <br /> Absorption Area �ftZ Media Below Pipe C�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 625 ftz Bed Length 63 ft Bed Width 10.0 ft <br /> Absorption Width 20.0 ft Clean Sand lift �,Q ft Berm Width (stope0-1%)��ft <br /> Upslope Berm Width 10.0 ft Downslope Berm Width 20.0 ft Endslope Berm Width 13.0 ft <br /> Total System Length $9 ft Total System Width 40 ft <br /> At-Grade Design Summary <br /> Absorption Bed Width �ft Absorption Bed Length ��ft System Height �ft <br /> Absorption Bed Area �ftz Upslope Berm Width �ft Downslope Berm Width �ft <br /> �� �1 r� <br />