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18" Min. <br />o Q o 0 o 0 0 o �0 0 <br />Oo <br />0 <br />0 00 <br />o . oOo°o000 0 'o00000 <br />Q0 o Oo O o 0 0 00 <br />0 o 0o 0000 00 00 00 <br />0 0 0 <br />0 0 o <br />o0o00 0 00 o 8 0 <br />00 o o n o 0 0 <br />d o o 0 <br />Q o <br />0 0 ° C o <br />0 0 o oo 0 oo oo o Q <br />00 0 Q 0 0 o 0 <br />0 0 00 00000 o0 <br />oo oo 0 o 00 o Oo 0 0 <br />0 oo 00 00 Oo oo 00 0 <br />o 0 0 o o O 0 0 <br />o ° o 0 o0 0 o <br />06 0o0oO0000000 60 <br />0 00000'o0 oo�oo <br />0 o 0 0o 0 <br />00 0 00 0 ° o 0 00 <br />00 0 . o <br />0. <br />0 o o 0 0 o <br />000oo 00 0o 0 8 oo <br />0 9 o Q 000o o O 0 <br />o 0 0 0 0. <br />NOTES: <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 <br />of Free -draining Backfill, per ESNW <br />recommendations. <br />• Drain Pipe should consist of perforated, <br />rigid PVC Pipe surrounded with 1-inch <br />Drain Rock. <br />LEGEND: <br />0 oo 0 <br />oo p 0 Free -draining Structural Backfill <br />0 0 <br />.• ti••,•ti <br />1-inch Drain Rock <br />Structural <br />Fill <br />Perforated Rigid Drain Pipe <br />(Surround in Drain Rock) <br />SCHEMATIC ONLY - NOT TO SCALE <br />NOT A CONSTRUCTION DRAWING <br />Earth <br />Solutions <br />N W LL <br />Retaining Wall Drainage Detail <br />Four Corners <br />Everett, Washington <br />Drwn. MRS <br />Date 02/15/2019 <br />Proj. No. <br />6516 <br />Checked CGH <br />Date Feb.2019 <br />Plate <br />3 <br />