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OSTP Design Summary Worksheet UNIVERSITY {,rc Minnesota Pollution OF MINNESOTA Control Agency Mound Design Summary Absorption Bed Area 500.0 ft2 Bed Length 50.0 ft Bed Width 10.0 ft Absorption Width 26.0 ft Clean Sand Lift 1,3 ft Berm Width (0-1e) ft Upslope Berm Width 10.0 ft Downslope Berm Width 2t.0 ft Endslope Berm Width t2,p ft Total System Length 74,Q ft Total System Width E41.0 ft Contour Loading Rate 12.0 gal/ft At-Grade Design Summary Absorption Bed Widthft Absorption Bed Lengthft System Heightft Contour Loading Rategat ft Upslope Berm Widthft Downslope Berm Widthft Endslope Berm WidthE==ft System Length E=ft System Width=ft Level&Equal Pressure Distribution Summary No.of Perforated Laterals Perforation Spacingft Perforation Diameter t l4 in Lateral Diameter 2.00 in Min. Delivered Volume gat Maximum Delivered Volume 150 gal Non-Level and Unequal Pressure Distribution Summary Elevation Pipe Volume Pipe Length Perforation Size (ft) Pipe Size(in) (gat/ft) (ft) (in) Spacing(ft) Spacing(in) Lateral 1 Minimum Delivered Volume Lateral 2 gal Lateral 3 Lateral 4 Maximum Delivered Volume Lateral 5 gal Lateral 6 5, Additional Info for Type IV/Pretreatment Design A. Calculate the organic loading 1. Organic Loading to Pretreatment Unit =Design Flow X Estimated BOD in mg1L in the effluent X 8.35:1,000,000 gpd X mg/L X 8.35 a 1,000,000- E=tbs BOD/day 2. Type of Pretreatment Unit Being Installed: 3. Calculate Soil Treatment System Organic Loading: BOD concentration after pretreatment_Bottom Area =lbs/day/ft' � lmg/L X 8.35=1,000,000 E=ft`= lbs/day/ft' Comments/Special Design Considerations: I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws. Joseph J Olson -> 810 07/06/15 (Designer) (Signature) (License#) (Date) i