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Figure 11-3.2: Wheel Wash <br />6' sewer pipe with A <br />buttorflp► valves --•� <br />B' x V sump vMh 5' of catch ; <br />2% slope j 5:1 slope <br />15' ATB apron to protect A <br />ground from splashing water A <br />3" trash pump with <br />floats on suction hose <br />2" schedule 40 <br />1 schedule 40 for sprayers <br />. ............. ! <br />- midpoint spray nubs, if needed <br />5:1 slope ' <br />-� 2% slope <br />i <br />-_ <br />�_............ . <br />6" ATS construction entrance <br />`- BOY valves Asphalt curb on the low road <br />side to direct water back to pomp <br />&" sleeve under road <br />Plan View <br />16 15' 20' 1 & 50' <br />--...------j..- ------------- <br />-- ...... - —- <br />'::r Y' <br />'tl..._i:.-:.II:Y'. .TT.!'^Y _�_:��' :Tt .. a. �.r r.... r.. �..+ YT�i:-•� ��r_�r <br />tj'y'! i SSli::.:iii--ijr i?. .l..,ii';ii l;. !i._..i•=1:.- �- Curb <br />6" sleeve <br />Locate invert of top pipe 1' <br />above bottom of wh" wash <br />a, x 8' sump ` <br />Df8111 pipe - <br />Notes: <br />1. Build 8' x 8' sump to accomodate <br />cleaning by trackhoe. <br />i <br />;DEPARTMENT OF <br />;ECOLOGY <br />State of Washington <br />Elevation View <br />1$' <br />Water level <br />.......... <br />12' <br />1 1:1 slops <br />Section A -A <br />Wheel Wash <br />NOT TO SCALE <br />Revised June 2016 <br />Phase see htrpYA4ww.ogy. ws.goY twpyright.htmf for copyright notice including permissions, <br />limitation of liability. and disclaimer. <br />2019 Stormwater Management Manual for Western Washington <br />Volume ll - Chapter 3 - Page 282 <br />