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: <µ� <br /> Ml�nesotaPollution OSTP Design Summary Worksheet UN[VERSITY <br /> Conuol A enc OF MINNESOTA = =�� <br /> 9 Y <br /> Bed Design Summary <br /> Absorption Area�ft2 Depth of sidewall�in Code Maximum Bed Depth�in <br /> Bed Width�ft Bed Length�ft Designer's Max Bed Depth�in <br /> Mound Design Summary <br /> Absorption Bed Area 625.0 ftZ Bed Length 62,5 ft Bed Width 10.0 ft <br /> Absorption Width 27,p ft Ctean Sand Lift 3.0 ft Berm Width (0-1%) 17.0 ft <br /> Upslope Berm Width t4.3 ft Downslope Berm Width 40.0 ft Endslope Berm Width Zg,6 ft <br /> TotalSystem Length ��g,b ft Total System Width (>4,3 ft_ Contour Loading Rate 12.0 gal/ft <br /> At-Grade Design Summary <br /> Absorption Bed Width�ft Absorption Bed Length�ft System Finished Height�ft <br /> Contour Loading Rate�gal/ft Upslope Berm Width�ft Downslope Berm Width�ft <br /> Endstope Berm Width�ft System Length�ft System Width�ft <br /> Level&Equal Pressure Distribution Summary <br /> No.of Perforated Laterals� Perforation Spacing�ft Perforation Diameter 7/32 in <br /> Lateral Diameter Z•� in Min.Delivered Volume 124 gal 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 /> Laterat 1 Minimum Delivered Volume <br /> Lateral 2 �gal <br /> Lateral 3 <br /> Lateral 4 Maximum Delivered Volume <br /> Lateral 5 ��al <br /> Lateral 6 <br /> 5, Additional Info for Type IV/Pretreatment Design <br /> p. Calculate the organic loading � <br /> 1. Organic Loading to Pretreatment Unit =Design Flow X Estimoted BOD in mg/L in the effluent X 8.35+1,000,000 <br /> gpd X �mg/L X 8.35=1,000,000= �lbs BOD/day <br /> 2. Type of Pretreatment Unit Being Installed: <br /> 3. Calculate Soil Treatment System Orgonic Loading: BOD concentration after pretreatment:Bottom Areo =lbs/day/ft� <br /> mg/L X 8.35:1,000,000 � �ftZ= �Ibs/day/ft2 <br /> Comments/Special Design Considerations: <br /> Top 18-24 inches of mixed clay soils will need to be removed from the absorbtion area and washed sand to be brought in. <br /> I hereby certify that I have completed th' ordance with all applicable ordinances,rules and taws. <br /> Pemel Chip Hentges 2064 09/07l16 <br /> (Designer) (Signature) (License#) (Date) <br />