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C�� vi�i••��:!hr�� f•�...�� I .ri <br />J.'..-��.�`1.41..:`.'_ .. .._i:`!. I�� . <br />�����•�vv�� �; <br />Cl's0'1'1?CIINICAL LAf➢ORA7'ORl"I'LS'I'INC <br />13.1 IN'1'RODUC7'ION <br />This appendix contains dcscriptions of thc proccdures and thc results of gcotcchnical laboratory <br />tests compicted on lhe soil samples obtained from the explorations for the design of the <br />Snohomish County Campus Administration Building and Gara�c. Thc samplcs wcrc testcd to <br />detemiine basic index properties and en��ineering char,icteristics of the site soils. Laboratory <br />tcsting ���as complctcd :�t thc Sh:uinon &�Vilson, Inc. I:�boratory in Scattic. Nashington, in 11ay <br />and June 2002. <br />13.2 VISUALCLAS511�ICA'I'IUN <br />Soil samplcs obtaincd frum thc cxplorations �t�crc ��isually dassificd in Uic laboratory using .� <br />systcm bascd on thc Amcrican Socicty for Tcsting and Matcrials (ASTM) Dcsignation: D 2�IS7, <br />Standard Test A�Icthod for Classification of Soil for Gnginccring Purposcs, and ASTI�4 <br />Dcsignation ll 24SS, Standard Rccommcnded Practicc for Dcscription of Soils (Visual-I�9anual <br />Procedurc). This visual dassification allows for com�cnicnt and consistcnt comparison of soils <br />from �eidcsprcad gcographic arcas. <br />"I�hc samplc dassifications h.rvc hccn incor�ioratcd inta thc soil dcscriptions on thc cxploration <br />logs presentcd in Appcndis A. <br />B.3 �1'A'CI:i2 CON'I'I:N'l' U1�:'I'I?R�IIN:�'I'ION <br />\Vatcr contcm dcterminations wcrc perforincd in ��cncral accordancc ���ith AS1'\1 Dcsi��nation <br />ID 221G, Stand•�rd Method of Laborarory Dctcrn�ination of \Vatcr (Moisturc) Contcnt of Soil, <br />Rock, and Soil-Aggregate A4i�wres on all of the retricved gcotechnical soil samplcs. \Vater <br />� contents arc plottcd on the boring logs presentcd in Appendix A. <br />I3A G1i�UN-Sl7,E DIS'CIiIl3U1'ION <br />Grain-size analyses ���ere completcd on sclected samples to determine thcir gr:�in-size <br />distributions. "1'hc Icsts ��crc performcd in ecncr:il accord:mcc ���ith r\ST�4 Dcsi�nation D 432, <br />:,. i.o,�n,.�.ac.. Fe i-� i� ,,,, i�,i <br />�-� <br />21-1-09644-005 <br />