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Daily Field Report <br />Main Ofrce * 714€37-3093 <br />1590 N. Brian Stroet <br />Oran96, CA 92867 <br />LEA #253, CT 234 <br />00199 <br />Cli.nt <br />Lamson Bros Electric fs^ <br />aee N.. <br />hcoz-sszo loarzzrzo.sF.ctrnrd.n Fi."i E 'clBrian celisron h-,*,,I l:r*' <br />3629 W. sth, Santa Ana, CA <br />Welch, P.E., <br />g sup.rhi.nd.nt D clbnt AlEnt <br />lLamson Brothers Elearic Ir +or-razo hor+s <br />me On Site Timo {hrs) <br />10:00 AM 1.0 :00 <br />2:00 PM 17 <br />Pad Subgrade <br />Footing Excavations <br />F;* <br />lsuuq.aoo <br />bg <br />Testing <br />rading Equipmont <br />hovel, Various hand tools <br />ol Fill f.icriausour6 <br />Sand / Onsite <br />Gaugo * <br />1 Nuclear <br />Gauge <br />Pad <br />Subgrade <br />lsheet S-2) <br />SG unk 6.7 112.7 120.3 9.5 125.5 90 <br />2 Nuclear <br />Gauge <br />Pad <br />Subgrade <br />(Sh6€t S-2) <br />S unk 6.9 112.6 120.4 9.5 125.5 90 <br />as requested to obseNe bottom of footings excavalions as well as porform subgrade testing for Pad. Observed thal <br />square and spread footjngs were excavation prior to my anival (2 of6 locatod below raised foor, Ref Sheet 91 and other <br />of 6 square footing excavations, Rel SHeet 92) Bottom ofi footing excavatiofl were probed and found to be firm and <br />nyielding. Square footings excavalions measured approximately 2'r' or largor with an approtmate measured depth of at <br />18' (or deoponed as mush as 32') Footing excavation appeared to be clear of loose material and/or debris and is <br />bl€ for intended use. R6comm6nd thal footing excavalions b€ slightly moisture conditioned paior to plaoement of <br />performed in plac€ density tests for pad subgrade; soil sample was collected to check reliative compacton density <br />Its and will be reported when lab testing on collected soil sampl€ is complsted. Subgrads was also subs€qu€ndy probed <br />o, Ar!. T..t <V T{t L@tion (3hd No.lh <br />issues observod du visil. <br />found lo be firm and unyielding <br />19 <br />) <br />Test No. TestTypo Location Elevations/ Elovations/ Elevations <br />Oepth {lt). Depth (lt}- Dcpth (ft)'Test Flll Natural <br />Field <br />Moist (%) <br />Dry Oens <br />{PCF) <br />Wet Dens <br />(G/CC) <br />(PCF) <br />Optimum <br />Moist (%) <br />Max <br />Dens. {G/ <br />cc) (PcF) <br />Relative Retest No <br />Compact <br />fk) <br />Notice: This report is issued br information onv- tost results are subjec{ to confrmation in a written report <br />ARRINGTONcIoiacHnlc^1. ENclxraRlNc.lNc