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BRAUR" <br />Oi.alrfy Services Since 1957 <br />MIIINESOTA <br />CONSUL TING ENGINEERS., <br />molneapol", <br />ENGINEERING TESTING <br />GEOTECHNICAL AND IAATERIALS <br />SI c JIX9 <br />Reply to address/phone M: <br />Hoche,ler <br />SI Paul <br />:,sFTUAT10 OFFICES <br />ORTM DUOTA <br />E4+5rndrii <br />ii'+s1Un <br />Minot <br />MONTAU <br />ljillrngs March 2, 1988 <br />30remdn <br />-J AW <br />GiKago <br />SWon <br />PE <br />ne'onG Kruse DE <br />D Kluem' ►e I, E <br />H pntuWr Pf James McCaffrey <br />^ry gwrna„ist mD 9,180 Aspen Circle <br />unes J Craig A P E <br />%itAAllen PE Eden Prairie, MN 51.344 <br />im 1.1 Weyyrauo F i <br />Xmas R H umyf•, <br />Michael M Heuer F E <br />ZVI F ovoial+ <br />Norman E Hall <br />I <br />y A lgiher P E <br />dham K coav P E <br />AFFILIATEO E-0MPAROS <br />elain Envuo^.nx-.'a <br />Lat-Va10"e5 irr <br />&aun Pavemenl <br />Techrwlogies Inc <br />Mr. McCaffrey: <br />P.C. Box 35108 <br />!lpls., MN 55435 <br />(612) 941-5600 <br />RE: 88-082 SOIL INVESTT11'jATI1-.1 <br />Proposed rriveway <br />Lot 7, Block 1 <br />Orono Oaks <br />_rono, Minnesota <br />As requested, we have complete' a soil investigation along the <br />proposed drivawiy alignment. .'i.e pu:pose cf the investigation <br />was to aid in eva' ating tiie subsurface soil conditions for sup- <br />pert of the drive .a, . <br />INTRCDUCTION <br />The boring 10L Ions are s:: �­i on the attached sketch. The sur- <br />face elevat'jr,s of the borings were estimated from the <br />topographic sites plan provided. Therefore, el-;�vat�ons should to <br />considered approximate. <br />The one penetration, i.t`: t r- .ring was perforated o:. L ibruary 2 <br />1988, with a track-mou,ited core arO auger drill. 6ampling f-.lr <br />the boring war conducted n -Aan-e witr AS -A D 1586 <br />"Pene�rat-.ion Test and 5p'.it-L..rt:e r�i,,y �:'f Soils.' ,'sl_nq this <br />method, tMe advar:ced the bete ho'L� with the hollow-stt. , 11ger to <br />the tF.•st d2-th. Then a 140-pound hammer failing 30 <br />inches drove a stani.. 2-inch OD, split -barrel sampl-r a total <br />penetration of 1 1/2 feet below the tip of the hollow-ster,t aliger. <br />The blcws for the last foot of penetrat;iv.! were recorded and are <br />an 1;idrstx of soil sti r-ngth characteristic.;. Sampies were taken at <br />5-foot intervals to r!.^ termination depth ;f the `_,oring. <br />T► •,-rwer auger borings t,_ se take.i +n accordance with P.JTM D 1452 <br />"fir. -nvestigation and Sampling oy Au;.:. Borings." :he s-.'- <br />