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BORING LOG NO. B-1 Page 2 of 2 <br /> PROJECT: SN4924-Silver Lake North CLIENT: American Tower Corporation <br /> Portland, Oregon <br /> SITE: 1810 104th Street SE <br /> Everett,Washington <br /> cD LOCATION See Exhibit A-2 W Z a F m o w <br /> O l O to cn z <br /> U Latitude:47.903241° Longitude: -122.207957° _ Q w H LL <br /> j z W z <br /> IL LU rn w a w z <br /> Surface Elev.:470(Ft.) 0 3 0 Q LL OU w <br /> DEPTH ELEVATION Ft. 0 a <br /> SILTY SAND(SM),with gravel,grey,dense to very dense,moist(Glacial 50 S-7 <br /> Till)(continued) N=50/5" <br /> N <br /> O <br /> a <br /> 30- <br /> 50 S-8 <br /> M N=50/5" <br /> LU <br /> a <br /> 0 <br /> W <br /> a <br /> LU <br /> L <br /> 35- <br /> 50 S-9 <br /> N=50/4" <br /> 0 <br /> N <br /> M <br /> O <br /> _O <br /> 0 <br /> J <br /> z <br /> Z <br /> 0 <br /> 0] <br /> 40— <br /> M <br /> Q <br /> 17-50 S-10 <br /> N=50/2" <br /> 41.5 428.5 <br /> 3 Boring Terminated at 41.5 Feet <br /> 0 <br /> z <br /> 0 <br /> 0 <br /> it <br /> a <br /> 0 <br /> 0 <br /> 0 <br /> a <br /> LU <br /> a <br /> z <br /> 0 <br /> 0 <br /> 2 <br /> 0 <br /> o' <br /> LL <br /> AStratification lines are approximate.In-situ,the transition may be gradual. Hammer Type: Automatic SPT Hammer <br /> a <br /> a <br /> Y) Advancement Method: Notes: <br /> Hollow Stem Auger See Exhibit A-3 for description of field <br /> 9 procedures. <br /> aSee Appendix B for description of laboratory <br /> > procedures and additional data(if any). <br /> 0 Abandonment Method: See Appendix C for explanation of symbols and <br /> z Boring backfilled with bentonite chips upon completion abbreviations. <br /> u1 <br /> WATER LEVEL OBSERVATIONS <br /> Irerracon Boring Started:10/3/2014 Boring Completed:10/3/2014 <br /> 15'-Seepage Observed - — <br /> m Drill Rig:B-61 Driller:EDI <br /> m 21905 64th Ave.W,Suite 100 <br /> = Mountlake Terrace,Washington Project No.:81145043 Exhibit: A-4 <br /> r <br />