Attachment B Geotechnical report

 

Morrison Geotechnic Pty Ltd

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

Engineering Log - Borehole

Borehole No.: BH2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    
 

 

 

MORRISON Phone: (07) 3279 0900 Fax: (07) 3279 0955 Page: 2 of 3
GEOTECHNIC Job Number: ME09/068
Hydra Bower Scout C60R Track
Easting: 51129346m Drilling Rig: Machine Client: Adrian Slinger
Northing: 708072.00 Driller: Drillsure Pisiece See ee ;
RL: 50.15 Logged By: M Rubinic roject: Geotechnical Site Invesigation - Proposed Residence
Total Depth: 23.95 + 21/09/2009 Location: 71 Seaview Terrace, Sunshine Beach
Drilling Information Material Description Test Samples
°
8 3] 2
'
3 § z & £ = 3 :
S|. s|2]¢ S| § lez] 3
=|5 Hole Depth} 2 | & | B g|23| © ‘Yael
S/S] re (m) 3 & | a Description ={isa| 8 Depth | Tests]  Sample/Result
3
42.0 ‘Sandy CLAY/Clayey SAND: M Vst-
we - Very stiff to medium dense, fine to medium grained MD 1]
‘sand, high plasticity silt & clay fines, mottled pale grey,
rl yellow brown & orange brown, moist, At 8.9m trace of 85 |
L| red mottling, Weakly cemented sand noted in end of " LI
SPT from 11.9m (red/brown) L spr 1-5,7,10N=17
9.0
41.0 fT 8.95 +H
[| 10.0 |
400 fT 10 --|
ir 4 ESPT +-7,7,7 N=14 I
| 10.45: |
[| 11.0 LI
390 fT -
| 11.5 i"
© L spt 1-4,7,8N=15 |
8 12.0
s 380 fr 11.98 -|
[| 13.0 ll
fetes 13 13 =
37.0 Sandy GLAY/Glayey SAND : M VSt-
= + ‘As above, higher sand content in plasticity noted MD SPT |-6,8,10 N=18 1
| 13.45 |
14.0
360 fT me
I] 1a Silty GLAY: M Vat r
- Very stiff, high plasticity, with fine to medium grained |
sand, mottled pale grey, rod, red brown, brawn & yellow 14.5
rl brown, moist (weathered rock structure) L spr L5,10,12 N=22 rm]
15.0 3 |
36.0 [7 3 14.9 aa
U 8 ||
16.0 “a
Comments: oe
Authorised by: eA
DD BRSH sz Zecshitneanhadieadiees 8
Water Weathering Consistency Density Rock Strength Tests & Results
RS Residual VS Verysoft VL Veryloose ELS Extremely USO _Undisturbed 50mm diam tube.
AY iia fave soil S Soft L Loose low D _ Disturbed sample.
ondate shown xy 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.
DP — Water inflow pw pistinctly  VSt Verystiif D Dense MS Medium PP Hand penetrometer estimate of unconfined compressive strength, kPa.
Pp
weathered H Hard VD Vervdense HS High S Vane shear value kPa
A Water outflow sw sightly e VHS Veryhigh DC — Dynamic Cone test, 9.09kg hammer, fall 508mm, driving 20mm, 30 de,
Moisture a
weathered eae 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