Attachment B Geotechnical report

Morrison Geotechnic Pty Ltd

A.B.N, 051 009 878 899
PO Box 3063, Darra, QLD 4076

MORRISON Phone: (07) 3279 0900 Fax: (07) 3279 0955

 

Engineering Log - Borehole

Borehole No.: BH1

Page: 3 of 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
  
 

 

 

GEOTECHNIC
ibaetbaver tsa cost Job Number: ME09/068
Easting: 511300 45m Drilling Rig: Track Machine Client: Adrian Slinger
Northing:  7080459.00 Driller: Drillsure Project: " 7 Z :
RL: 50.00 Logged By: M Rubinic TOJECt: Geotechnical Site Invesigation - Proposed Residence
Total Depth: 22.42 Date: 21/09/2009 Location: 71 Seaview Terrace, Sunshine Beach
Drilling Information Material Description Test Samples
3
a e| 2
ms § 0 a
3 £ = | oa £ 88! &
3 2 a | 2 fle ls:
s/, &§ | 21s ae! 3
2/5 Hole Depth} © & 3 #]ea) & Test
& gs RL (m) 8 sles Description 2/é3l| 8 Depth | Tests Sample/Result
; 16 3
YW cl Silty CLAY: xw TM vst
H AAs above but SPT sample showing extremely SPT }-5,9,10 N=19 H
weathered rock structure (XW sandstone)
rt Y 16.41 r
| 16.8 LW, L|
33,0 17.0 SST | SANDSTONE: xw TM Vs
—_ ao Extramely weathered rock, very low strength, orangie “4
brown, red brown & pale grey (silty sandy clay),
rI plasticity decreasing with depth, ry
| 478 |
| LsPT [4,611 N=17
[82.0 LL 18.0 17.95 an
© a0 |] 19.0 L|
3 le LH 19 +
£ r ||
ao
iy LU L
= LspT }-7,15,21 N=36
0 |] 20.0 |
Lee LL 19.45 +
| 20.5 |
|-spT |-9,15,25 N=40
[20.0 || 21.0 20.95 i
0 || 22.0 |
[230 || 22 +
9,19,30 for |
I P SPT Pr t2omm N+ = 66
—sa
{| 22.42m: BOREHOLE 22.45 | |
l TERMINATED |
27.0 23.0
[| 24.0 |
Comments: N* = Inferred SPT 'N' Value
Authorised by: .
Date? srssscesseves
Water Weathering Consistency Density Rock Strength Tests & Results
RS Residual VS Very soft VL Very loose ELS Extremely U50 —_Undisturbed 50mm diam tube.
_Y water level soil S Soft L Loose tow D Disturbed sample,
=—ondate shown yw Extremely F Firm MD Medium VLS Verylow SPT __ Standard Penetration Test, N = number of blows to drive 50mm sampler
weathered St Stiff dense LS Low 300mm with a 63.6kg hammer falling 762mm,
P— Water inflow by Distinctly VSt Verystiff D Dense MS Medium PP Hand penetrometer estimate of unconfined compressive strength, kPa
weathered H Hard VD Vervdense HS High s Vane shear value kPa
Water outflow sw slightly P VHS Very high DC — Dynamic Cone test, 9.09kg hammer, fall 508mm, driving 20mm, 30 deg
Weathered Moisture EHS Extremely taper cone fitted to rods of smaller section.
FR Fresh D Dry M Moist W Wet high From AS1289-1993 Methods of Testing Soils for Engineering Purposes