Four Corner - Texas Water Development Board

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PROJECT: Preliminary Geotechnical Study
Oaklake Estates Tract
PROJECT NO.
Fort Bend County, Texas
98·1 090
BORING NO. B-4
CLIENT: Amvest Properties, Inc. DATE 4/27/98
Houston, Texas
SHEET
.
FIELD DATA
I LABORATORY DATA DRILLING METHOD(S):
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' ATTERBERG Boring drilled usmg dry auger drilling methods to 20 ft.
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GROUNDWATER INFORMATION:
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DESCRIPTION OF STRATUM
P-0.8 33
Firm dark gray CLAY (CH)
1 with roots to 1 ft
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P=0.5 25 93 0.62 1
Water in open borehole encountered during drilling at about 1 a ~
P=2.1 22 very stiff with ferrous nodules below 4 ft
5 - tan and light gray, 4 ft to 13 h
6 -
7
P=2.4 26 87 25 62
with calcareous nodules below 6 ft
8 - P=2.6 24
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reddish brown and light gray below 13 ft
N = 14 21 -200 = 19%
Medium dense tan SILTY SAND ISM)
Boring terminated at 20 ft
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N ·STANDARD PENETRATION TEST RESISTANCE
REMARKS:
0
Hand penetrometer measurements adjusted by a factor of 0.6.
"' 0
.. P- POCKET PENETROMETER RESISTANCE
Borehole backfilled with soil cuttings on April 28. 1998.
T- POCKET TORVANE SHEAR STRENGTH
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s
Paradigm Consultants, Inc.
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