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18" Min. <br /> 0 0 0 p o 0 p o Vo 0 <br /> Oo 0 00 °� o c° o cp <br /> O 0 ,Op O 0000 0 0 0,00 0 <br /> 00 0 p0 0 0 0 0 O <br /> 0 0 (0,s <br /> 0 0 <br /> 0 0 0 0 0 0 o 00 0O 00 0 <br /> 0 <br /> o o00o00 0200 30 <br /> o° 0 0 O <br /> 0 0 0 0 00 0 0 <br /> 0 <br /> 60 0 0 <br /> 0 0 0 0 00 0 .0 000 0 0 <br /> 00 00 0 p 0 O n0 0 0 <br /> O o Oo 00 `, 0: <br /> 0 0 000 00 0 °o p <br /> 000 a 0 ,30o 00 <br /> Structural <br /> 0 0 0o O 00 <br /> 00000 0 o o 0 Fill <br /> 00 0 O O DO 0 <br /> 93 0 0 0 0 p 0 0 0 O o 0 V 0 <br /> 0 0 0 <br /> o O O D 0 0 0 O 0 O G O <br /> 00 o 90 <br /> poop 00 0 o o O 0 0 <br /> O O 0 <br /> 0p0 <br /> 0 0 0 <br /> 00 <br /> IIIH 00o � Op <br /> eirO e 00 0000 0 a ° <br /> I I o o 0 o 0 - •r•r■ 0 <br /> •rtir~r�rtir <br /> 1r <br /> Perforated Rigid 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 No. 4 sieve should be <br /> 25 to 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-inch <br /> Drain Rock. <br /> LEGEND: - <br /> Earth h Solutions NWt c <br /> 000� 0 Solutions <br /> 0 0 p'00 Free-draining Structural Backfill NW«<, ��Geotechnical Engineering,Construction <br /> 0 0 vation/Testing and Environmental Services <br /> •r•r•r•r•. RETAINING WALL DRAINAGE DETAIL <br /> ti•ti•ti•ti•ti 1-inch Drain Rock <br /> Colby Short Plat <br /> Everett, Washington <br /> Drwn. CAM Date 06/08/2018 Proj. No. 6067 <br /> Checked TJD Date June 2018 Plate 3 <br />