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'— ".:r,r:pr '!lrl� <br /> `�'Apef. t0 f)rt]ir� <br /> I'W�OY �fOT <br /> Structure <br /> i <br /> — ,.�II Gr��inaae ',�utenal <br /> Pc:'en�r.n' cr 2��" � /� <br /> !n,p"r:��uu; Soil� .� <br /> /� <br /> !?etalned Soil — — ,_ ;+;�,. <br /> Temporary Gu,^�p Proofing <br /> Eccavo!'�on Slope-� ,`/ - yacor Retardar <br /> / <br /> I � <br /> __I Floor Slab __� <br /> .:'`_.. .. 6.� �U��n. <br /> ':7 ' `,"ir . :)over uf ��� � .. . - � �'� � <br /> Droincye �'��ct�_r�ol � � � � Capill�ry ;�Cc� <br /> 1��. �.fin. on Sr.c_ I� " � � Perir ral��C Drain Plpc <br /> of P'.�y�,,� -. <br /> in i�',i�.l �F1'llA��. � <br /> �; __.'_--__. <br /> \ <br /> . �n A. WALL DR;I���;d'!- .,,�_.JA.I_: 'l�a;' ccns�=; � �.s�:si:,,d ��8" to ?lo. 9 pc❑ graveL Alternatively the <br /> :� <br /> �. . .n Jr <br /> �xall dra�nagc malenal may consis: of "ri�a�el 'r3ackfll for Drcins" per V'lJDOT S.andard <br /> � Sneci(ication 9-03.12(4), surrounded wi[h c non—woven geotextile such as Mirofi 740N (or <br /> approved equivalent). <br /> �` B. RETAINED SOIL Should cons�st of structural fill, either on—site sofl or imported. The backfl!I <br /> .t <br /> - should be compacted in loose lifts not exceeding 6 inches. V/all backflll supForting building <br /> .`�' flovr slabs sho�ld consist of imported sand and gravel per WSDOT Standard Specification <br /> 9-03.1h or City of Seattle Type 17 compacted to at least 95 percent ASTM D7557. Backfll <br /> not supportiny building floer slabs, sidewalks, or povement shouid be compacted to 9U to <br /> 92 percent oF the rriaximum dry density, per ASTM D1557. 8ackfi�l supporting sidewalks or <br /> pavement areas shoiald be compacted to at least 95 percent in the upper two fect. Only <br /> hand—operated equipment should be used for compaction within 5 feet ef the walls and no <br /> heavy equipment should be allowed within 5 fee[ of the wall. <br /> �� .;. CAPILLARY BREAK: Should consist of at least 6 inches of cleon crushed gra�el with a <br /> s maxirrium size of 1-1/2 inches and negligible sand or f�nes. <br /> �� <br /> 'o' C. PERFORATED DRAIN PIPE: Should consist of a 4—�nch d�ometer perforated heavy—wall soGd <br /> � plpe (SDR-35 PVC) or rlgld corruaated poly?tliylene pfpe (ADS N-12) or equivalenL Draln <br /> o�pes should be ploced �rith C.5 ;;ercent minlmum slopes and discharge to the sform water <br /> � loPectiOn sv5tcrn. <br /> Y <br /> WALL DFIAI�JAGE AND BACKFl�L <br /> d GEUENGlNEERS� <br /> FII�URE 3 <br /> Lr�� <br />