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G�P <br /> ExisT• ��� <br /> la�.oE _ �� <br /> � — <br /> � u <br /> - - _ � '::. tl �Z � <br /> kEY51ot�E � _ — <br /> STA�IDAKD ' . ,� � � (I �ALGi���TE <br /> F��.oLK . .� •. '. ' - StKc1cT�P�P.t. <br /> CtYP.) ��'�. <br /> N _ � i •�' '.• ' :.� � F�u,� FKEE� <br /> 12��MIN ' - �Rt��rJW�a <br /> • � , n �Rp,,Jul,p.2hoi�5 <br /> lor�`x. • ��. • •• :' M oK 7/S�� MiN�S <br /> • � . <br /> . ' _ GRUSFfF� RocK) <br /> ..,.,'� ' � - <br /> . • �� <br /> — ��t = — � '� ,: i�•�°;�� �[}a� Minl•� PERFo�TEo <br /> g " ' a � '� `� PVG P�PE W2APPE0 <br /> �p�� h'(I�•1. —•��� �� � � �<° . y9 _ q r �,.�- In� �ION'V`1oVEtd <br /> � " ' �� I FILi'EK FA�R�c- <br /> i i= _ , .� <br /> '7/$" Mt�IUS UZc15HEo <br /> Ro�k gASE <br /> TYPICa� S �cTioN <br /> rJ. Ts � <br /> uor�s <br /> 1 Construction of concrete block relaining wall should proceed immedlately after cut banks and keyway trenches are <br /> completed <br /> 2 The base-course blocks sho ild be set on a 8-inch-minlmum layer of compacted 718-inch-minus c�ushed rock base <br /> over flrm undisturbed (irm bearing soils of 3,000 ps(bearing capacity <br /> 3 A 4-mch-minimum, perforated, PVC drain pipe should wrapped m non-woven filier fabnc should be placed behmd <br /> the base-course blocks to drain groundwaler flowmg towards the wall Water in the drain line should be tighlhned <br /> to discharge into a storm sewer or a suilable stormwaler disposal (acility. <br /> 4 The concrete block wall should be backfdled wilh structural 611 consisting oF clean, free-draining granular soils or <br /> 7/8-ind�-mmus crushed rock, except the top 12 inches may consist ot dean on-sde soils. Structural flll should be <br /> placed in lifts no more than 10 inches thick in loose state, with each lift compacted to a non-yielding state wilh a <br /> vibratory mechanical compact as each Ilft o(blocks is completed. <br /> LIU & ASSOCIATI;S, INC. CONCRETE BLOCK RETAINING WALL <br /> SINGLE-FAMILY RESIDENCE <br /> 4912 SEAVIEW WAY <br /> GeolechmcalFngineenng engmeenngGeoioqy [ann5aence EVERETT. WASHINGTON <br /> JOB NO 5�047 PL�TE NO. 2 <br />