Start Drilled
End
10/25/2011
10/25/2011
Total Depth (ft)
Logged By TT Checked By CMK
26.5
34.0 NAVD88
Surface Elevation (ft) Vertical Datum
Auto 140 (lbs) / 30 (in) Drop
Hammer Data
Drilling Equipment Groundwater
System Datum
Easting (X) Northing (Y)
Drilling Hollow Stem Auger Method
Driller Geologic Drill, Inc.
Notes: Auger Data: 3 1/4 inch I.D.
Track Mounted Diedrich D-50
Date Measured
Depth to Water (ft)
Elevation (ft)
10/25/2011
14.0
20.0
0
10
1 SA
18
7
2
10
P
3
18
P
4
18
18
5A AL 5B
12
24
6
TS
Topsoil / duff
MH
Gray elastic silt (medium stiff to stiff, moist) (diatomaceous earth)
Dry Density, (pcf)
Moisture Content, %
MATERIAL DESCRIPTION
62
REMARKS
%F = 76
30
18
Group Classification
Graphic Log
Water Level
Sample Name Testing
Collected Sample
Blows/foot
Recovered (in)
Interval
Depth (feet)
Elevation (feet)
FIELD DATA
PT-OL
Dark brown peat / gray organic silt (very soft, moist)
CL
Gray lean clay with sand (soft to medium stiff, moist to wet) Gray fine to coarse sand with silt and gravel (medium dense, wet)
25
5
20 15
15
20
12
28
25
18
26
SP-SM
30
Gravel at 14 feet Begin drilling with water head
GM
Gray silty gravel with sand and trace organic matter (medium dense, wet)
SP-SM
Gray fine to coarse sand with silt and gravel (medium dense, wet)
7
10
Redmond: Date:3/13/12 Path:C:\USERS\TNASH\DESKTOP\REDMOND CENTRAL CONNECTOR BORING LOGS.GPJ DBTemplate/LibTemplate:GEOENGINEERS8.GDT/GEI8_GEOTECH_STANDARD
10
8
Note: See Figure A-1 for explanation of symbols.
Log of Boring B-3 Redmond Central Connector Project: Project Location: Redmond, Washington Project Number: 0500-172-01
Figure A-4 Sheet 1 of 1