1 - GEOTECHNICAL INVESTIGATION REPORT - 150320 LAR Road Investigation Ridgewood Geotech 23042015_Rev1-Combined

GEOTECHNICAL TERMS AND SYMBOLS (cont'd)

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FV Field vane shear test expressed as uncorrected shear strength (sv = peak value, sr = residual value)

JAR Glass jar sample for chemical/environmental testing

P Piston sample

PM Pressuremeter test over section noted

PP Pocket penetrometer test expressed as instrument reading in kPa

U50 Thin walled push tube sample with the number indicating the nominal diameter of the tube in millimetres
WPT Water pressure testing

SOIL CONSISTENCY/RELATIVE DENSITY/MOISTURE

vs Very soft VL Very loose D Dry
Soft L Loose M Moist

F Firm MD Medium dense WwW Wet

St Stiff D Dense

vst Very stiff VD Very Dense

H Hard

ROCK DEFECT DESCRIPTIONS

Type Infilling Roughness
B Bedding parting CN Clean POL Polished
cL Cleavage cT Coating (>=1 mm) RF Rough
co Contact SN Stain s Smooth
cs/CZ Crushed seam/zone VR Veneer (<1 mm) SL Slickensided
DK Dyke Planarity Other
DS/DZ Decomposed seam/zone CU Curved CA Calcite
FC/FZ _ Fracture/Fracture zone IR Irregular Fe Iron oxide
FL Foliation PL Planar KT Chlorite
IS/IZ Infilled seam/zone ST Stepped Ms Secondary Mineral
ST Joint UN Undulating MU Unidentified Mineral
SH Schistosity Qz Quartz
SS/SZ Shear seam/zone x Carbonaceous
VN Vein
Notes:

1. For vertical boreholes the dip of the defect is shown (i.e. inclination to the horizontal)
ROCK CORE RECOVERY

Length of core recovered
TCR = Total Core Recovery (%) = —__————— x 100

Length of corerun

. Z Length of cylindrical core recovered
SCR = Solid Core Recovery (%) = — 100

Length of corerun

. . | 2 Axial lengths of core > 100 mm
RQD = Rock Quality Designation (%) = ———Tength of corerun x 100

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