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4 18"Min. <br /> ° ° ° °00 co o80 <br /> o °b° o°O° c' °°o°° <br /> od <br /> 0. <br /> o ° oo ° ° o °o ° ° °° o <br /> ° oo° o000°° 00 <br /> ° °=o °O °0 <br /> oe °° ° ° <br /> ac <br /> ° <br /> ° °°° °° ° ° Structural <br /> oo 00 °° °°° o °@° Fill <br /> e00 °00 : g ° <br /> oo°o° <br /> ° <br /> °g; <br /> °o <br /> 0 °O ° 8 • <br /> 0°°° o °eg <br /> ,o, <br /> ° °° m° <br /> III -111— f� ° <br /> III 0 <br /> 0 ° 0 - tir a.�° <br /> ,�Ad y { <br /> Perforated Drain Pipe <br /> NOTES: (Surround In Drain Rock) <br /> • Free Draining Backfill should consist <br /> of soil having less than 5 percent fines. <br /> Percent passing#4 should be 25 to <br /> 75 percent. <br /> • Sheet Drain may be feasible in lieu SCHEMATIC ONLY-NOT TO SCALE <br /> of Free Draining Backfill, per ESNW NOT A CONSTRUCTION DRAWING <br /> recommendations. <br /> • Drain Pipe should consist of perforated, <br /> rigid PVC Pipe surrounded with 1" <br /> Drain Rock. <br /> LEGEND: --- <br /> Earth y h Solutions NWLLC <br /> ON' ° Solutions <br /> 0 Oe ° Free Draining Structural Backfill NW LLC ho.car Engineering,Consn vction Monitoring <br /> o n and Environmental Sciences <br /> e tiaaa 1 inch Drain Rock RETAINING WALL DRAINAGE DETAIL <br /> 3214 Broadway Avenue N. <br /> Everett, Washington <br /> Drwn. MRS Date 06/10/2016 Proj. No. 0599.06 <br /> Checked BJP Date June 2016 Plate 7 <br />