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/ <br /> -- Cvtcnor Vlnll <br /> blopcd to Dra�� <br /> Away Irori <br /> S��Ur_(we <br /> �� <br /> --�— 1�all Dio��none Mat��lol <br /> �aven,ent r�r ?t ' '� � <br /> I•nprrv a�s 50��1� r <br /> / <br /> �int(;in2d SOiI — - — �' 1,71n. <br /> 7emp���ary �- Ga�np Prooling <br /> Ercavation Slr,p�� � � Vopor f.eturde� <br /> � <br /> �_ — / 1 <br /> Floor SiW.� <br /> , . �— t� 4" Mln. <br /> 17" tdir•.. Cov,•� n( --�- �� �� �- <br /> fi�amnae Maler�al , _� � Copl�Jory �r'eak <br /> (6'. S!�n. on Sides 4 PerforateA D�a�n F�pe <br /> of Plpe) - <br /> �JOT TO SCALE <br /> M�I LflIAL S <br /> � A. WALL DRAINAGE M�TERI�L: May consist of washed 3�6" to No. B pca gravcl. Alternotivcly the <br /> wall drainage material may con,�st of "Gravel Backfill for Drains" per WSDOT Slandard <br /> Specificat�on 9-03.12(4), surrounded wllh a non-woven geotextile such os Mira(i 140N (or <br /> upproved equivalent). <br /> ^ [�. RFTAINED SOIL: Should consist of structural fill, either on-site soi! ar imported. The backfll <br /> � ;hould be compocted ln loose lifls nol exceeding 6 fnches. Woll backfiil supportiny bulld�ng <br /> � f oor sloos should consist of imported sand and gravel per WSDOT Standard Speufcation <br /> y- 03 �4 oi C�ty of SeaUle Type 77 compacted lo al least 95 percenl ASTM D1557. Backf�il <br /> � .� supporGng bu;ld�ng fioor slabs, sldewalks, or pavement should be compacted to 90 :o <br /> � 'i2 perce.nt of the mozlmum dry oenslty, per ASTM D1557. Backfill suppor6ng s�dewalks or <br /> $ povement areos sho�ld be compacted to at leost 95 percent in tht� upper two feeL Only <br /> �.�nA-operoted equ�pment should be. used for compaction wilhin 5 feet of the walls cnd ro <br /> � ��ec�y equipment should be allowed wlthin 5 feet c` the wall. <br /> fi:. CnPILLARI' F3REAK: Should conslst ol at � 'sl 4 �nches of clean crushed giovel wilh o <br /> ¢ -nuximum slze of 1-1/2 inches and neyl�.glble sand or fines. <br /> Q D. �'CRFORATED DRAIN PIPE: Should consist of a 4-inch dlameter per(oroted heory-wall sol�d <br /> � a�pe (SDR-3� PVC) or rlgld corrugated potycthylene pipe (ADS N-12) or equ�voient. Dro�n <br /> � ��prs shn�.,ld be pleced wlth 0.5 percent minlmum slopes and discharge to the storm water <br /> LL <br /> P cullecfl0n sy5ter'�. <br /> 3 <br /> 0 <br /> � <br /> m <br /> ; Wall Drainage and Backflll <br /> a <br /> U _ <br /> � Mountain View Business Cenlre Divison 7, Lots 7 and 2 <br /> � Everett,Washi�gton <br /> � GEOENGINEER� Figure7 <br /> > <br /> w <br /> ----- -- 3 b <br />