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Slope backfill away from <br /> foundation. Provide surface <br /> drains where necessary. <br /> 4 <br /> Tightline Roof Drain <br /> gr4tY (Do not connect to footing drain) <br /> Backfill <br /> (See text for <br /> = requirements) "p. <br /> pkzec <br /> Nonwoven Geotextile <br /> Filter Fabric <br /> Washed Rock Possible Slab <br /> (7/8" min. size) <br /> O O U ra .� �1 D f-'1 D,.C .�.D° �.De. �. •Q.��.D°•0.�.D,•0 <br /> 0 0 0 0 0 ^^ sE7a xi 'o o0 j0p,'00 oDp'o00 °� 00.�°�J�00 °�po 00 <br /> °0° °0°0o0ot sF z .� o o V,� 0 0 o.oa o 0 o.a o o .� o <br /> o ° ,4104. o o u „...4 <br /> O ° ° °I III �IIII� <br /> •,° o 0 ° <br /> 4" min. „ °o °° UIII 1 -1 Vapor Retarder/Barrier and <br /> Capillary Break/Drainage Layer <br /> (Refer to Report text) <br /> 4" Perforated Hard PVC Pipe <br /> (Invert at least 6 inches below <br /> slab or crawl space. Slope to <br /> drain to appropriate outfall. <br /> Place holes downward.) <br /> NOTES: <br /> (1) In crawl spaces, provide an outlet drain to prevent buildup of water that <br /> bypasses the perimeter footing drains. <br /> (2) Refer to report text for additional drainage, waterproofing, and slab considerations. <br /> FOOTING DRAIN DETAIL <br /> GEOTECH 3319 Broadway Avenue <br /> CONSULTANTS,INC. Everett, Washington <br /> Job No: Date: Plate: <br /> 17298 July 2017 10 <br />