This borehole log document provides information for Borehole No. 2, including the project details, location coordinates, drilling details, and a geological description of the strata encountered with depth. The log lists the strata thickness, depth, water observation, sample collection details, and fracture and core recovery testing results down the length of the borehole.

1. PROJECT : Borehole Coordinate (RSO)/ Elevation Groundsurface: Borehole No.
CLIENT : E: X:
ENGINEER : N: Invert:
LOCATION : Page No.
MAIN CONTRACTOR : Work Schedule Rig Type : YWE/ D90R Driller:
CONTRACTOR : Start: Drill Method: ROTARY DRILLING
JOB NO. : Finish: Casing Type : NW
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LEGEND: WATERLEVEL
Hole Depth Water Depth
D Disturbed Sample
for Soil SILT for Rock Grade RQD P Standard Penetration Test
– – – – – – – – CLAY   peaty SILT + + + + + + GRANITE I >70 UD Undisturbed Sample
– – –   peaty CLAY – – – clayey SILT ┬┴┬┴┬┴ LIMESTONE II 50-70 C Rock Coring
– – – silty CLAY sandy SILT SHALE 30-50 VS Vane Shear Test
– – – sandy CLAY gravelly SILT MUDSTONE <30 MZ Mazier Sample
– – – gravelly CLAY SILTSTONE Grade N Value CS Continuous Soil Sampling
: : : : : : : SANDSTONE IV ≥50 HV Hand Vane
SAND GRAVEL SCHIST PP Pocket Penetrometer
  peaty SAND   peaty GRAVEL N No. of Blows/300mm
– – – clayey SAND – – – clayey GRAVEL REC Recovery Ratio
silty SAND silty GRAVEL CRR Core Recovery Ratio
gravelly SAND sandy GRAVEL RQD Rock Quality Designation
TCR Total Core Recovery
SCR Solid Core Recovery
Prepared by: Checked by:
Company: Company:
BH2/ Page
SAMPLENO.
GRADE
CASINGTYPE
ENGINEERING BOREHOLE LOG
STANDARD PENETRATION TEST
(MM)
DEPTH&ELEVATION
(m)
STRATADEPTH(m)
THICKNESS(m)
GRAPHICLOG
WATEROBSERVATION
DESCRIPTION
SAMPLING DETAIL
FRACTUREVALUE
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%%
REC%
DEPTH(m)
RQDTCR SPT PLOT
GRADE
DATEOFBORING
DIA.&TYPEofBIT
Time
DRILLINGMETHODwithwater
Date
Rock Mass Classification
VI <15
15-50
III
V
SCR
%
0
1
0 10 20 30 40 50
sandy SILT