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� OSTP Design Summary Worksheet UNIVERSITY <br /> Mlnnesota Pollution � ` - <br /> ControlAgency OFiVIINNESOI'A ���.,;, <br /> A4ound Desiqn Summary <br /> Absorption Bed Area 50Q.0 ft2 Bed Length 50,p fi Bed Wid[h 10.0 ft <br /> Absorption Width 26.0 ft Ciean Sand lift Z,p ft Berrn Width 10-191�ft <br /> UpSlope Berm Wtdth 13.0 ft Downsiope Berm Width Zp,p ft Endslope Berm Width �Z,p ft <br /> Total System Length 74.0 ft Totat System Width 43A ft Contour Loading Rate 12.0 gaVft <br /> At-Grade Design Summary <br /> Absorptton Bed Wldth�ft Absorption Bed Length��ft System Height��ft <br /> Contour Loading Rate��gaVft Upslope Berm WidthC�ft Downslope Berm Width��ft <br /> Endslope Berm W9dth�ft System LengthC�ft System width��ft <br /> Levei&Equal Pressure Distribution Summary <br /> No.of Perforated Laterals�� Perforation Spacing��ft Perforetion Diameter 7/32 in <br /> lateral Diameter 2.00 in Min.Detivered Votume��gai Maximum DeGvered Volume t50 gal <br /> Non-Level and Unequal Pressure Qistributio�Summary <br /> Etevation Pipe Votume Pipe Length Perforation Size <br /> Ift► Pipe Size Iin� �gal/ft� (ft1 lin) Spacing(ftl Spaci�g�in► <br /> Lateral 1 Minimum Detivered Votume <br /> lateral 2 <br /> Lateral 3 gal <br /> la[2rdl 4 Ma�amum Detivered Yolume <br /> Wteral 5 <br /> Lateral 6 gat <br /> 5, Additional Info for Type IV/Pretreatment Design <br /> A. tafculate the organic loading <br /> 1. Orgonic Looding to Pretreotment Unit =Design ftow X Es[imated BOD in mg/L in the efftuen[X 8.35=1.�0,000 <br /> 4Pd X �mg/L X 8.35:7,000,000= ��lbs BOD/day <br /> 2. Type ot Pretreatment Unit Being Installed: <br /> 3. Calwlate Soil TreaLment System Organic Looding: BOD concentration aJter prerreatment=Botiom Aree =ibsldaytft2 <br /> mg/L X 8.35 e 1,000,000 = �ft2= �(bslday/ftz <br /> Comments/Special Design Considera[ions: <br /> I hereby certify that I have comple[ed this work in accgrdance with al!appticable ordinances,rutes and laws. <br /> �r <br /> �r <br /> Joseph J OLson `-�' '`���_� 87d 04/04/76 <br /> (Designer) �,,. �Signature� (License�1 (Date) <br />