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OSTP Design Summary Worksheet <br />ft2 ft ft <br />ft ft ft <br />ft Downslope Berm Width ft ft <br />ft ft Contour Loading Rate gal/ft <br />ft ft ft <br />Contour Loading Rate gal/ft ft ft <br />ft ft ft <br />ft in <br />in Min. Delivered Volume <br />gal Maximum Delivered Volume gal <br />Lateral 1 <br />Lateral 2 <br />Lateral 3 <br />Lateral 4 <br />Lateral 5 <br />Lateral 6 <br />5. <br />A. <br />1. <br />lbs BOD/day <br />2.Type of Pretreatment Unit Being Installed: <br />3.Calculate Soil Treatment System Organic Loading: BOD concentration after pretreatment ÷ Bottom Area = lbs/day/ft2 <br />mg/L X 8.35 ÷ 1,000,000 ÷ ft2 =lbs/day/ft2 <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 />10.038.0 <br />08/25/20 <br />Infiltrator EcoPod E50 <br />380 0.000 <br />380.0Absorption Bed Area <br />1.021.0 Berm Width (0-1%) <br />Bed Width <br />Clean Sand Lift <br />67.2 <br />Spacing (in) <br />48 <br />Upslope Berm Width <br />Absorption Bed Length <br />Downslope Berm Width <br />25 <br />mg/L X 8.35 ÷ 1,000,000 = <br />1/4 <br />113 <br />Organic Loading to Pretreatment Unit = Design Flow X Estimated BOD in mg/L in the effluent X 8.35 ÷ 1,000,000 <br />Perforation Spacing <br />Minimum Delivered Volume <br />Additional Info for Type IV/Pretreatment Design <br />3 Perforation Diameter3 <br />(Designer) <br />2624 <br />(Signature) <br />0.64450 <br />Brian Koski <br />170 <br />(License #) <br />gal <br />gal <br />Maximum Delivered Volume <br />gpd X <br />12.0 <br />14.6 <br />Mound Design Summary <br />Bed Length <br />Endslope Berm Width <br />Absorption Width <br />System Length <br />8.1 <br />At-Grade Design Summary <br />Upslope Berm Width <br />Absorption Bed Width System Height <br />System Width <br />Pipe Size (in) <br />Calculate the organic loading <br />Pipe Length <br />(ft) <br />Total System Width <br />22.8 <br />Non-Level and Unequal Pressure Distribution Summary <br />Lateral Diameter <br />Elevation <br />(ft) <br />No. of Perforated Laterals <br />Perforation Size <br />(in) <br />Pipe Volume <br />(gal/ft)Spacing (ft) <br />40.9 <br />Level & Equal Pressure Distribution Summary <br />(Date) <br />1.50 <br />Total System Length <br />Endslope Berm Width