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� � <br />� <br />Page 2- Propoaed Apartment Bldg. <br />Roseville, Miruieaota <br />an average of about 15 feet lower than tha nearby Snelling Curve grade. <br />St may be noted from the boring loga that the soil is mo�t].y granular (mostl,Y sande <br />�. w3.th some s laam and lomqy sand) underl�i.ng laan clayey soile. The clayegr soils <br />�d.Y <br />extend to depths of from ��� to 11' except at boring 4 where the soil below the <br />� �i <br />-� fill is gr�nular near the swrface with layers of lean clay �t depth. The penetration <br />�� resistance of the granular sail varies genera]1y from fairly low near the surface ' <br />,_: � , � <br />and increases to moderately good with depth except for the very loose material <br />�� <br />4`� � _ <br />fram about5' to 9� at boring 2. The consistency of th�o cohe�ive so31s varies from <br />T - - . � . . ��I <br />-medium to -stiff except for the rather soft cl�y loam from about 5' to 11' at boring ;i <br />�, <br />"* � 3 . <br />,,,�.: ,: _ _ <br />:Yl�� � � . . , - <br />-+f��. C . . .. � � � . ; <br />/ r <br />`� `` Accorciing to our available data the first bedrock at the site could be the Decorah <br />'; � <br />;,�,� . �hale. at a depth of about 70� with the Platteville limestone contact a short . - <br />-9Y = <br />distance belaw. <The.soils are a mixture of �.ake ..3s�ed cl�yey tiil and lake <br />��.: <br />� � d�posited fine granular goi3.s. <br />s _ <br />,.� �s', <br />^l <br />� A X . � . . � . . . _. <br />�� GROUND WATER <br />�y . <br />__ <br />-� � ��. Ground water ' entered all the borings except 1� and the levels aad t3mes of record.ing _ �� <br />�p� . . . . . . _ . . . . . <br />y�� ' , are- given on the lags: Where impea•vi.ous soiis are encountered the indi.cated levels .� <br />A: � , <br />� � . �. <br />;'� _.� �. .<� -. . �" . ,. � ' _� .. . ��� ._ � . ; � � . .�. . <br />' S <br />'� not`be �ccurate even in several days of observation. The.levels s}�own appear _� <br />�� ..� <br />`� `y{ � to be influenced-b� the l�nses and l�pers of per�rious soil. The, ground water - <br />�� ; <br />`` ' level can be_exp�cted to vary with the seasons and;from one year to the nex�. `' <br />u.,. <br />�� � <br />;�� � - �ABORATORY TESTS <br />� <br />;s, _ <br />��3� yt_; � To further aid in evaluating>th� soil conditions, laborator,p tests w�r� run pn. <br />�'�t <br />^ -_. : ` �, ; <br />� .selec�,ed` sainples oi �ihe clay soil.. The t�s�s show that the cohesiva soils have a <br />,�� � <br />j�� ����'�� " good dens3.ty. A tabulation og Ll'ne laboratary test results is at�iac,hed. <br />µ F � 9r <br />�f J .-1 '. ! j <br />9�,� �� :j <br />�t� rti <br />��� � t � r � _ . . . . _ . . . . . <br />{'°�+.sy5 -,: , i _ . . <br />��.���� �� �� - .. " . , . . � ' . : � . . <br />?i-;: F t,� �„ :) . . <br />-���' �I r `f <br />r <br />,�ccrc i.nr �f i � - � . . . . . . . . <br />7� ,�,�'�t}� '' �{ ~ � . . . � . �. <br />� _.,��#'�,��� .��.s��. + K z , .,.�., ; C . _ . <br />