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Minnesota Pollution OSTP Design Summary Worksheet UNIVERSITY <br /> Control Agency OF 1VjINNESOTA �� <br /> Mound Design Summary <br /> Absorption Bed Area 630.0 fYZ Bed Length 63.0 ft Bed Width 10.0 ft <br /> Absorption Width 26.0 ft Clean Sand Lift 1_5 ft Berm Width (0-1%)��ft <br /> Upslope Berm Width 9.0 ft Downslope Berm Width 22,p ft Endstope Berm Width 12.0 ft <br /> TotalSystem Length g7,0 ft TotatSystem Width 41.0 ft Gontour Loading Rate 12.0 gal/ft <br /> At-Grade Design Summary <br /> Absorption Bed Width�ft Absorption Bed Lengthr_�ft System Height�ft <br /> Contour Loading Rate��gal/ft Upstope Berm Width�ft Downslope Berm Width�ft <br /> Endslope Berm Width��ft System Length�ft System Width�ft <br /> Level 8 Equa(Pressure Distribution Summary <br /> No.of Perforated Laterals�� Perforation Spacin8�ft Pertoration Diameter 7/32 in <br /> Lateral Diameter 2.00 in Min. Delivered VolumeC0�8a1 Maximum Delivered Volume 188 gal <br /> Non-Level and Unequal Pressure Distribution Summary <br /> Elevation Pipe Volume Pipe Length Perforation Size <br /> (ft) Pipe Size(in) (gal/ft) (ft) (in) Spacing(ft) Spacing(in) <br /> laterall <br /> Minimum Delivered Volume <br /> Lateral 2 �gal <br /> Lateral3 ; <br /> Lateral 4 <br /> Maximum Delivered Volume <br /> Late�al 5 <br /> Lateral6 ; �Sal <br /> 5. Additional�nfo for Type IV/Pretreatment Design <br /> A. Ca(culate the organic(oading <br /> 1. Organic Looding to Pretreatment Unit =Design F(ow X Estimated BOD in mg/L in the effluent X 8.35:1,000,000 <br /> gpd X ��mg/L X 8.35:1,000,000= ���bs BOD/day <br /> 2. Type of Pretreatment Unit Being Installed: <br /> 3. Calculate Soil TreQtment System Orgonic Loading: BOD concentrotion after pretreatment=Bottom Area =lbs/day/ftZ <br /> mg/L X 8.35=1,000,000 : �ft2= C�lbs/day/ftZ <br /> Comments/Special Design Considerations: <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws. <br /> Joseph J Olson Atn 01/00/00 <br /> (Designer) (Signature) (License#) Date <br /> ( ) <br />