Laserfiche WebLink
UxrvaxNSITsm'tu AE <br /> Lxxevrtx <br /> O <br /> ` Design Flow and Soil Worksheet TRREEAATMM <br /> ENT <br /> Minnesota Pollution T <br /> PROGRAM <br /> Control Agency <br /> 3. SOIL LOADING RATES: Use either A.or B. below <br /> A. 7080 Table IX B. 7080 Table IXa <br /> DETAILED SOIL DESCRIPTIONS(SOIL PIT PERCOLATION TEST LOADING RATE <br /> REQUIRED) SIZING (GPDIW) <br /> Faster than 0.1' 0.00 <br /> Texture Clay Loam 0.1 to 5' 1.20 <br /> 0.1 to 5 (soil texture 0.60 <br /> Texture 10 groups 3 l3 5) <br /> Group L 6 to 15 0.78 <br /> 16 to 30 0.60 <br /> Structure Angular Blocky 31 to 45 0.50 <br /> 46 to 60 0.45 <br /> 61-120 0.24 <br /> Grade Moderate Slower than 120 0.00 <br /> 'Rapidly permeable soils:see 7080.2260 <br /> Consistence Friable Slowest measured <br /> 41.2 <br /> percolation rate: <br /> Select Soil 0.45 <br /> Loading Select Soil Loading Rate: 0.45 <br /> C. Design Loading Rate: 0.45 GPD/ft2 <br /> 4. ORGANIC LOADING(if pretreatment is being used) <br /> Organic Loading =Design Flow X Estimated CBOD in mg/Lint _ 1,000,000 lbs CBOD/day <br /> gpd X mg/L X 8.35 <br /> Table 111 (7083.4030) <br /> Treatment CBOD(m /L) <br /> Level A 15 <br /> Level B 25 <br /> Leve 12 <br /> I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> z <br /> (Designer) (Signature) (License#) (Date <br />