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I <br /> I <br /> ii <br /> `� "Schedule 40 <br /> 1 %"schedule 40 for sprayers <br /> 1 7 , - 1 _ .,; <br /> , __ ___ <br /> _____ .,_ -_____ I <br /> II <br /> 2% 5:1 5:1 I l 2% <br /> I Slope"' Slope — Slope ---II Slope <br /> II <br /> SA 1pe\ � <br /> Wheel Wash Plan <br /> If__15___1 - 15I <br /> 20' 1 •15 50' <br /> — Elevation View <br /> Water level <br /> In-1 - 1:1 Slope <br /> Ili •\1111111.11111111111MINW <br /> 1 12 ' <br /> I Section A-A <br /> N.T.S. <br /> iFigure 4.3 Wheel Wash <br /> I Notes: <br /> 1. Asphalt construction entrance 6 in. asphalt treated base (ATB). <br /> 2. 3-inch trash pump with floats on the suction hose. <br /> I 3. Midpoint spray nozzles, if needed. <br /> 4. 6-inch sewer pipe with butterfly valves. Bottom one is a drain. Locate top pipe's invert 1 foot <br /> above bottom of wheel wash. <br /> 5. 8 foot x 8 foot sump with 5 feet of catch. Build so can be cleaned with trackhoe. <br /> I 6. Asphalt curb on the low road side to direct water back to pond. <br /> 7. 6-inch sleeve under road. <br /> 8. Ball valves. <br /> I9. 15 foot.ATB apron to protect ground from splashing water. <br /> I <br /> 1 <br /> IFebruary 2005 Volume ll— Construction Stormwater Pollution Prevention 4-11 <br />