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Nidson Rcsidcncc <br />ro��„a����„ r:�-aluation <br />L'vcrett, Washington <br />Scptcmbcr 5, 200R <br />NGA I�ilc Tlo. 795808 <br />Pagc 2 <br />to bc loosc. Organic matcrial ���as obscrvcd in thc southcastcrn corncr. Tlic remaindcr of thc foundation <br />subgradc probcd appro�imatch� 2 to 4 inches. Wc intcrpreted it to bc densc. <br />Wc recommcnd that ihc loosc matcrial bc rcmovcd to c�posed dcnsc, nativc soil. l'hc loose soil sh�.iuld <br />be ovcr-c�ca��atcd and replaccd with 2- to 4-incl� rock spalls. Wc recommcnd that wc bc on sitc durin� <br />the escavation to determine if native soil is encountered. E�treme caro shoidc� be taken when e�� ^vating <br />ncar tlic woodcn blocks supporting tlic structurc. 'I'hc ovcr-cxcavation should bc prompdy backfillcd �vith <br />thc spalls and thc spalls tampcd with thc cscavator buckct. <br />1Vc trust this mcmorandum sliould satisfy your nccds at this timc. Plcasc contact us if you havc an} <br />qucstions or rcquirc additional scrviccs. <br />NELSON GEOTECHNICAL ASSOCIATES, INC. „ i <br />