HomeMy WebLinkAbout1976-10-27 Soil Test ReportLes Rascob Construction Company
14816 County Road 6 .
Minneapolis, Minnesota 55441
SOIL TESTING SERVICES OF MINNESOTA, INC.
2405 ANNAPOLIS LANE SUITE 280
MINNEAPOLIS, MINNESOTA 55441 612-559-1900
October 27, 1976
S.T.S. Job No: 9C849
Re: Soil Percolation Test - Block 1, Lot 1 of Chippewa Second Addition, Orono,
Minnesota.
Dear Sir:
We were retained by you to perform soil percolation tests at the above
property (see Drawing No. 1 attached). The tests were performed on October 15,
1976. The procedure was in accordance with the methods designated by the Minnesota
Department of Health, 1971, and somehwat modified our engineering judgement.
The attached log sheet indicates the observed percolation rates at each of
the test holes (P-1 through P-6). The observed percolation rates at each of the
test holes was within the maximum allowable rate of 60 minutes per inch, as recom-
mended by the Minnesota Department of Health. Based on these observations, the in-
stallation of an individual soil absorption system will be acceptable in the area
tested.
In addition to the above percolation test holes, one test boring B-1 was
drilled to a depth of 10 feet below the existing ground surface to determine if the
water table is less than that depth. According to the readings listed below, it
Is our opinion that the level of the long term ground water table was located at
a depth greater than 10 feet below the existing ground surface at the time of
testing.
wiltloo C. Kw«nv, P.E
John P. Giss"rpsr, P E
Cvo N "Or. ►.E
Jones M. Dvttoom. P.E.
"Eric Zamrra•rn+on, MD , VEit W Winfurtef, P E
• Engineering Analysis/ Reports
• Construction Quality Control
• Foundation Bonne and Testing
• Environmental Testing end
Evaluation
Les Rascob Construction Company
October 27, 1976
Page two
'rtuations in the water level may occur over a wide range, depending upon
the z of precipitation, evaporation and surface runoff which will vary with
seasovia 1 changes.
Based on the test results, installation of an individual soil absorption
disposal system should be acceptable for a recommended design rate of 30 minutes
per inch. The observed water table in the area is at a depth greater than
6 1/2 feet below the existing ground surface, making an absorption system accep-
table according to State Code regulations.
The provisions of the "Ordinance and Code Regulating Individual Sewage
Disposal Systems" (1971), as recommended by the Minnesota Department of Health,
as well as any local ordinances and code::, should be followed in the design and
installation of the disposal system.
If there are any questions with regard to this report, please do not hesi-
tate to contact us.
Yours very truly,
SOIL TESTING SERVICES OF MINNESOTA, INC.
t_
James H. Overtoom, P.E.
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