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12" Minimum Wide i f <br /> Free-Draining Gravel <br /> Slope to Drain <br /> _i_ amo-- <br /> I <br /> I, <br /> k4,**, ...: . - ••• '• - • • . <br /> 12 min. • • <br /> f.40o, • • • .. ...• .: • . .. . • r <br /> kVe:3• • .. . • .. • . .. :. ' - • •• •• . : • • ... <br /> Sc°° <br /> o° <br /> Filter Fabric Material •. • . . • • • • •VI°� • • • Excavated Slope <br /> ° . . • - - A <br /> (See Report for <br /> ° • . - . Compacted Structural <br /> ocr° : .. . • Backfill (Native or Import) <br /> o• <br /> moo° , <br /> �goo°O°000 o o .oD000 O <br /> :0 o oo o o ° ° a°°°a. r I <br /> o° °° o° o°oa°o° i <br /> ' �� 12" Over the Pipe <br /> p <br /> L <br /> 4" Diameter PVC 3" Below the Pipe <br /> Perforated Pipe <br /> Not to Scale <br /> IICorporate Office QFC 852 Fuel Station Figure 3 <br /> 17522 Bothell Way Northeast RGI Project Number: Date Drawn: <br /> I I in Bothell,Washington 98011 Retaining Wall Drainage Detail <br /> Phone:425.415.0551 2019-258A 01/2020 <br /> RILEYGROUP Fax:425.415.0311 Address: 4919 Evergreen Way, Everett, Washington 98203 <br />