HomeMy WebLinkAboutExploratory soild borings-1991 , ?5 s� F o x �-r��--
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� EXPLO�ZATO� Y SO�L BOR�NGS
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WILLIAM ST UBBS
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ADVANCE SURVEYING & ENGINEERING CO. Job No. 91587
' S300 Highway 101 South, Minnetonka, MN 55345 Phone: 474 7964
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I AD VA1V'CE S UR VE YING � ENGINEE�ING CO.
5300 Highway 101 South, Minnetonka, MN Sb345 Phone 474 7964
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' November 3 , 19�1 -
' Mr. William Stubbs
185 Old Crystal Bay Rcad
tLong Lake, MN 55356
Phone: 473 8427
' Dear Biil :
� at you� request we i�a-�e r_or.duc��u a pre�im�na�r in���stiga�i�n o�
soil conditions on your site at tne locations you specified.
' Your site is locat�d at 2555 Fox Street in Orono, Minnescta,
�,ahere you propose to build a new home. The site is described as :
Lots 9 and 10, Auditor' s Subdirision Number 229 .
' Tne investigatior� ccnsis`ed oi expioratory soii borings �c aid in
identifying soil and water conditions. We have indicated tne
' approximate location of the borings on an attached site plan
sketch. Elevations shown are approximate and are based on the
North American Datum. The elevations shown are interpolated from
' the topographic map tna� you furnished.
' Borings were taken with a truck mounted CME 45 drill rig using
solid stem continuous-flight augers. Soils encountered in the
' borings were visually and manually examined in the field by the
crew chief. The soils are classified on the basis of texture and
plasticity in accordance with ASTM D2487 "Unified Soil
' Classification System" . A chart explaining the Unified Soil
Classification System is attached.
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, RECOMMENDATIONS:
' The compact sand and firm sandy clay found below the topsoil and
soft clays at the surface and at an elevation of 929 in Soil
Borings 1, 2 , and 3 and at 931 in Soil Boring 4 are suitable for
' the support of a new home. It is our- opinion that these soils
are capable of supporting footings proportioned to exert a
maximum bearing pressure of 3000 pounds per square foot on this
' soil.
Because these firm soils lay below the water table in the area,
' we fear that construction activity could disturb them and render
them unable to support a home. We recommend that the topsoil and
soft clay be carefully removed from the surface, that Class 5
, crushed material be placed below water level on these firm soils
as per the attached detail sheet. Footings may then be poured on
the Class 5 crushed material.
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' STANDARD CAUTIONS:
Even though we measure the depth of any ground water that may
, have accumulated in the borings immediately at completion of the
borings, we find that in "dry" borings some water may eventually
accumulate and in borings where we find ground water, it will
' usually rise over a period of time, particul-arly in clayey soils. -
We do not revisit the borings to measure the water level later
since often the cave in of the boring sides, rain, etc. can "
' render these measurements of little value and there is some
danger in leaving the borings open on sites where pedestrian
traffic is a good possibility.
' While it is our opinion that a properly designed and installed
drain tile system and submersible sump pump will keep most
' basements dry and should be a standard part of all new
construction, we make no guarantees in this regard.
' Of necessity, the area of the borings in relation to the area of
the site and the depth of the borings are limited. Suggestions
' and recommendations of this report are opinions based on data
obtained from the borings.
' If upon excavation, conditions that are not consistent with the
borings are revealed, it is agreed that you will notify us �o
that we may gather further information and modify our opinion or
, indicate that no modification is necessary in a written addendum
to this report; or failing to engage our services to prepare such
written addendum, it is agreed that you proceed at your own
' peril .
If we may be of further assistance in evaluating this data,
' kindly contact us at your convenience.
' Sincerely,
IADVANCE SURVEYING & \� NGINEERING CO.
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_��y,:��ti��.�- � �:�-� `:�-<<��3�-_�
' ' / James H. Parker P.E. , President
' JHP/pp
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EXPLORATORY SOIL BORING LOG # 1
� 91587 JHP 31-OCt-91 WILLIAM STUBBS ORONO
JOBNO BY DATE CLIENT CITY
' ELEVATION DEPTH DESCRIPTION W' N'
932 0
, Black topsoil
931 1
930 2 Soft grey santly e{ay(�L}
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_ ;:... ;> . ,.
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929 3
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928 4
' 927 5
926 6
' Firm brown sandy clay with sand layers (CL)
925 7
, 924 8
923 9 W
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922 10 ;::..:..;. ;: ; ;
' 921 11
920 12 Hrowr��Iay�e�gr�v�l{GCj
� 919 13 < < ` '
918 14 ' '
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, "W - DENOTES WATER LEVEL DETECTED AT COMPLETION OF BORING, MAY RISE ! (D=DRY)
*N - STANDARD PENETRATION TEST BLOW COUNT
� DVANCE SUR VEYING & ENGINEERING CO.
5300 HIGHWAY 101 SO. MINNETONKA, MINNESOTA 55345 PHONE: 474 7964
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EXPLORATORY SOIL eORING LOG # 2
, 91587 JHP 31-Oct-91 WILLIAM STUBBS ORONO
JOBNO BY DATE CLIENT CITY
' ELEVATION DEPTH DESCRIPTION W" N'
932 0
' B(ack topsoil
931 1
' 930 2 Saft dark ciayey sand _W
_ ;... ,. ;:,. ::.
929 3
� 928 4 '
' 927 5
Compact brown sand (SP)
926 6
' 925 7
' 924 8
923 9
� 922 10
, 921 11 �irrn red sanc�y cEay(CL�
920 12
' 919 13
� 918 14
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, "W - DENOTES WATER LEVEL DETECTED AT COMPLETION OF BORING, MAY RISE ! (D=DRY)
"N - STANDARD PENETRATION TEST BLOW COUNT
� DVANCE S UR VEYING & ENGINEERING CO.
5300 HIGHWAY 101 SO. MINNETONKA, MINNESOTA 55345 PHONE: 474 7964
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EX�L�RAT�RY S�IL t�RING L�G � 3
' 91587 JHP 31-Oct-91 WILLIAM STUBBS ORONO
JOBNO BY DATE CLIENT CITY
, ELEVATION DEPTH DESCRIPTION W" N`
933 0 ' -
' 932 1 Black topsoil
' 931 2
930 3 Saff san�y brown clay (G�} _W
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, 929 4
� 928 5
927 6
' 926 7
925 8
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924 9 Firm greybrown sandy clay with sand layers (CL)
' 923 10
922 11
1
921 12
, 920 13
919 14
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' *W - DENOTES WATER LEVEL DETECTED AT COMPLETION OF BORING, MAY RISE ! (D=DRY)
'N - STANDARD PENETRATION TEST BLOW COUNT
, D VANCE S�R VEYING & ENGINEERING CO.
5300 HIGHWAY 101 SO. MINNETONKA, MINNESOTA 55345 PHONE: 474 7964
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EX�LORATORY SOIL eORiNG LOG � 4
� 91587 JHP 31-Oct-91 WILLIAM STUBBS ORONO
JOBNO BY DATE CLIENT CITY
tELEVATION DEPTH DESCRIPTION W� N�
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934 0
Btat�c Eops��i ` ; ; ;
c :
' ; ......
933 1
' 932 2 Soft grey sandy clay(CL)
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931 3 '
' 930 4
� 929 5 ; ;
��rrnl6rown sandy,clay(�L�
928 6 ;
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927 7
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' 926 8
925 9
, 924 10
923 11 Firm red clayey sand(SC)
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922 12 W
, 921 13
' 920 14
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, "W - DENOTES WATER LEVEL DETECTED AT COMPLETION OF BORING, MAY RISE ! (D=DRY)
"N - STANDARD PENETRATION TEST BLOW COUNT
' D VANCE S UR VE YING & ENGINEERING CO.
5300 HIGHWAY 101 SO. MINNETONKA, MINNESOTA 55345 PHONE: 474 7964
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C"��::,i=?C�.-:�fV �F �7�L� =0R ��.rii.c_:E�1G �UnPO�-�
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� AST�1 Designation: D 2C37 - 09 AND 0 Z`�.38 - a9
(Unilied Soil C:assifcaticn Sys:em)
� Group T� ic31 ❑ames I Classificsticn citeria
Major divisions ,1,mbois ! ��
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Plas:ic ^; C:�ar,
ircry�nic s;i;s. very fine
N L1L Sards, recic ficur. si I�� or °'� I � � � l � I
� c'ayey iine sards , For C�BSS;IIC3ticn �i r.-.e- ain�d I I
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�� medium pias.iciy. c�avel IY y I at'erb='o L i m i:s p I o::,�:g !� C:-i ( I
m.� CL e!ays. sandy c!�Ts, sil,y h�?�;ed ar=3 ar� border�ine
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m ro � Inorc2nic sils, micsc�ous � .� I
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p� o or siits, elas:ic siits � 20
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E � a Inorganic c!ays of hi5h �p V �
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� OH hi5h pfastic;ry 0 10 20 30 40 5J 60 70 80 90 100
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