Attachment B Geotechnical report

Engineering Log - Borehole
Borehole No.: BH2

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 Page: 3 of 3
GEOTECHNIC N 2
ui = 0:
: s Hydra Bower Scout C60R Job Number: MEos/068
Easting: 5112936m Drilling Rig: Track Machine Client: Adrian Slinger
Northing: 708072.00 Driller: Drillsure Bice eae :
Ris Rite Logged'Byi \MRabinie roject: Geotechnical Site Invesigation - Proposed Residence
Total Depth: 23.95 Date: 21/09/2009 Location: 71 Seaview Terrace, Sunshine Beach
Drilling Information Material Description Test Samples
°
8 | 2
i 5
y § ae 8
z a |2l¢ 2]. (23) =
si. § 21s £/ 5/32] 3
Se Hole Depth = & 3 a 2 £ g e Test
5 gs RL (m) 3 6138 Description 2/2 /84| 8 Depth | Tests}  Sample/Result
z
34.0 1614 = CH Silty CLAY: M vst
= + g Very stiff, high plasticity, with fine to medium grained SPT }-4,10,13 N=23 r
3 sand, mottled pale grey, red, red brown, brown & yellow
ry a brown, moist (weathered rock structure) 16.45' r]
r| SST | "SANDSTONE: PM ELS |
rl Extremely weathered rock, very low strength, mottled im
17.0 pale grey, red, red brown & yellow brown (sandy clay of
32.0 fT low to medium plasticity) 7
| 178 |
LSPT 15,8,8N=16
aa 17.95 me
[| 19.0 |
31.0 PF 19 -
ie H L SPT + 6,10,14 N=24 +]
I] 19.45 r|
8 H i
o 30.0 fT me
| 20.5 |
L LSPT }-6,14,16 N=30
21.0 20.95
200 [TP
|| 22.0 |
2a0 fr 22 +
H LSPT }-9,11,20N=31 Hy
22.45 |
| 23.0 (|
27.0 [T- a
r 23.95m; BOREHOLE r
r| TERMINATED LI
LSPT }-8,14,23 N=37
24Dbe
Commenis:
Authorised by:
Water Weathering Consistency Density Rock Strength Tests & Results
Residual VS Verysoft VL Veryloose ELS Extremely USO Undisturbed 50mm diam tube,
Water level soil S Soft L Loose low D _ Disturbed sample.
——ondate shown yw Extremely oF Firm MD Medium VLS Very low 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.
DP Water inflow py pistinctly vst Very stiff D Dense MS Medium PP Hand penetrometer estimate of unconfined compressive strength, kPa.
weathered H Hard VD Vervdense HS High Ss Vane shear value kPa
Water outflow sw gightly : VHS Veryhigh 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