Example of a Borehole Log
Example of a Borehole Log
Example of a Borehole Log
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Client :<br />
Hole No.<br />
10280<br />
Site : Sellafield<br />
Project : SCL&GMP<br />
Project No : SA/G 35/08595<br />
Equipment & Methods : Large Sonic (DB - 320). Inspection pit<br />
excavated to 1.2 m bgl, pit backfilled prior to drilling.<br />
Contractor : Boart Longyear<br />
Date Started : 07/11/2008 Completed : 07/11/2008<br />
<strong>Log</strong>ged by : CS<br />
Ground Level : 20.35 (mAOD)<br />
Co-ordinates : E 302654.0 N 503882.1<br />
Serco-Golder Hole ID: GW26P2<br />
INSTALLATION<br />
/BACKFILL<br />
Installation<br />
Depths<br />
0.50<br />
TCR<br />
(Drill Run<br />
Depth m)<br />
(0.00)<br />
100%<br />
Drilling<br />
RQD<br />
%<br />
SCR<br />
%<br />
Sample<br />
Depth<br />
(m)<br />
Sample/Test<br />
Information<br />
PID<br />
(ppm)<br />
<br />
(cps)<br />
<br />
(cps)<br />
STRATA RECORD<br />
Level<br />
(mAOD)<br />
20.03<br />
19.58<br />
Legend<br />
Depth<br />
(Thickness)<br />
m<br />
0.15<br />
(0.45)<br />
0.60<br />
(0.90)<br />
Description<br />
Asphalt. (Made Ground).<br />
Damp, pale grey to pale red/brown, slightly clayey, very sandy<br />
GRAVEL. Sand is fine to coarse. Gravel is subangular to<br />
angular, fine to coarse <strong>of</strong> mixed lithologies including granite and<br />
volcanics. Occasional cobbles. Rare rebar. (Made Ground).<br />
Damp, orange/brown, gravelly, cobbly SAND. Sand is medium<br />
to coarse. Gravel is subangular to rounded, fine to coarse<br />
sandstone, volcanics and granite.<br />
(1.50)<br />
18.68<br />
1.50<br />
Damp, red/brown SAND and GRAVEL. Sand is fine to coarse.<br />
Gravel is angular to rounded, fine to coarse volcanics and<br />
sandstone. Occasional cobbles.<br />
100%<br />
(1.30)<br />
(3.00)<br />
17.38<br />
2.80<br />
Damp, red/brown, fine to medium SAND.<br />
100%<br />
4.50<br />
(4.50)<br />
(2.90)<br />
- 4.5 - 4.7 m gravelly sand. Gravel is subangular to<br />
subrounded, fine to medium volcanics.<br />
5.00<br />
5.35<br />
100%<br />
(6.00)<br />
14.48<br />
5.70<br />
(0.80)<br />
Damp, red/brown, silty, fine to medium SAND.<br />
13.68<br />
6.50<br />
Damp, brown, fine to coarse SAND.<br />
100%<br />
(7.50)<br />
(2.50)<br />
100%<br />
(9.00)<br />
11.18<br />
9.00<br />
Moist, red/brown with black streaks, silty SAND. Sand is<br />
predominantly fine.<br />
(1.20)<br />
100%<br />
Remarks :<br />
Checked By:<br />
JL<br />
Scale 1:50<br />
Page 1 <strong>of</strong> 2<br />
SEL-SONIC<br />
April 2008
Client :<br />
Hole No.<br />
10280<br />
Site : Sellafield<br />
Project : SCL&GMP<br />
Project No : SA/G 35/08595<br />
Equipment & Methods : Large Sonic (DB - 320). Inspection pit<br />
excavated to 1.2 m bgl, pit backfilled prior to drilling.<br />
Contractor : Boart Longyear<br />
Date Started : 07/11/2008 Completed : 07/11/2008<br />
<strong>Log</strong>ged by : CS<br />
Ground Level : 20.35 (mAOD)<br />
Co-ordinates : E 302654.0 N 503882.1<br />
Serco-Golder Hole ID: GW26P2<br />
INSTALLATION<br />
/BACKFILL<br />
Installation<br />
Depths<br />
TCR<br />
(Drill Run<br />
Depth m)<br />
(10.50)<br />
Drilling<br />
RQD<br />
%<br />
SCR<br />
%<br />
Sample<br />
Depth<br />
(m)<br />
Sample/Test<br />
Information<br />
PID<br />
(ppm)<br />
<br />
(cps)<br />
<br />
(cps)<br />
STRATA RECORD<br />
Level<br />
(mAOD)<br />
9.98<br />
Legend<br />
Depth<br />
(Thickness)<br />
m<br />
10.20<br />
Description<br />
Damp, red/brown, fine to coarse SAND.<br />
11.35<br />
100%<br />
(1.80)<br />
- 11.5 m becomes slighlty silty with black streaks.<br />
12.00<br />
(12.00)<br />
8.18<br />
12.00<br />
End <strong>of</strong> Hole at 12.00m<br />
Remarks :<br />
Checked By:<br />
JL<br />
Scale 1:50<br />
Page 2 <strong>of</strong> 2<br />
SEL-SONIC<br />
April 2008
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