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12" MINIMUM WIDE —� <br />FREE-DRAINING GRAVEL <br />� � <br />_� <br />12` MIN. J <br />FILTER FABRIC MATERIAL <br />SLOPc TO DRAIN <br />4" DIA�AETER PVC <br />PERfORATED PIPE <br />`— EXCAVAT�D SLOPE <br />(SEE REPORT FOR <br />APPROPRIATE <br />INCLINATIONS) <br />COMPACTEU STRUCTURAL <br />�ACKFILL (NATIVE OR <br />IMPORi) <br />� 12" OVER THE PIPE <br />\ L 3" BELOW THE PIPE <br />i�IOT TO SCALE <br />�"'Ire Riley Graip, Inc. <br />_': IitITIILLL `,�'.41' NF <br />I, )1lIIS1.1., A4'i15111NGT(1N ��R01 I <br />Cornmunirl� Nea/�h Cenier o%Snoho•nish Counlv <br />Relai�iing f1'n!! Drninage D�Iai! I Fi�nrr'e 3 <br />tiiie Address: 1019 8 1027 - I 12th Street SN', Gverett, N'ashington <br />