Western Geotechnical & Laboratory Services

Site

Western Geotechnical & Laboratory Services

Accreditation No.

20599

Site No.

24692

Date of Accreditation

08 Jul 2019

Address

235 Bank Street
Welshpool, WA 6106
Australia

Contact

Mr Matt van Herk P: +61 (08) 94723465

Availability

Services available to external clients

Scope of Accreditation

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Establishment of annex facilities Materials defined by all or some for which the site is accredited Determinations defined by all or some for which the site is accredited Techniques defined by all or some for which the site is accredited
Evaluation of geotechnical and civil construction material - Aggregate abrasion Aggregates Abrasion resistance Resistance to wear by attrition AS 1141.27
Abrasion resistance Los Angeles machine value AS 1141.23, MRWA Method WA220.1
Abrasion resistance Los Angeles machine value MRWA Method WA220.2
Evaluation of geotechnical and civil construction material - Aggregate contaminants Aggregates Weak particles contaminants Sieve analysis AS 1141.32
Clay and fine silt Settling AS 1141.33
Organic impurities Colour test AS 1141.34
Evaluation of geotechnical and civil construction material - Aggregate properties Aggregates Bulk density Compacted AS 1141.4
Shape Proportional calliper AS 1141.14
Particle size distribution Sieve analysis AS 1141.11.1, MRWA Method WA210.1
Bulk density Uncompacted AS 1141.4
Moisture content Drying oven AS 1289.2.1.1, MRWA Method WA212.1
Particle density of fine aggregate Weighing-in-water AS 1141.5
Particle size distribution Sieve analysis of material finer than 75 µm AS 1141.12
Shape Average least dimension AS 1141.20.1, AS 1141.20.2, MRWA WA215.1
Shape Flakiness AS 1141.15, MRWA Method WA216.1
Particle density of coarse aggregate Weighing-in-water AS 1141.6.1
Evaluation of geotechnical and civil construction material - Aggregate soundness Aggregates Soundness Exposure to sodium sulfate solution AS 1141.24
Soundness Accelerated soundness index AS 1141.29
Evaluation of geotechnical and civil construction material - Aggregate strength Aggregates Wet/dry strength variation Not applicable AS 1141.22
Aggregate crushing value Not applicable AS 1141.21
Evaluation of geotechnical and civil construction material - Soil chemical properties Soils Calcium carbonate content Not applicable MRWA Method WA915.1
Organic matter Loss on ignition (LOI) ASTM D2974 Method C
Evaluation of geotechnical and civil construction material - Soil classification Soils Moisture content Drying oven AS 1289.2.1.1, MRWA Method WA110.1
Plasticity index Cone AS 1289.3.3.2, MRWA Method WA122.1
Linear shrinkage Not applicable AS 1289.3.4.1, MRWA Method WA123.1
Plasticity index Casagrande AS 1289.3.3.1, MRWA Method WA122.1
Liquid limit Casagrande one point AS 1289.3.1.2
Liquid limit Cone one point AS 1289.3.9.2
Liquid limit Cone four point AS 1289.3.9.1, MRWA Method WA120.2
Liquid limit Casagrande four point AS 1289.3.1.1, MRWA Method WA120.1
Plastic limit Not applicable AS 1289.3.2.1, MRWA Method WA121.1
Sieve analysis Not applicable AS 1289.3.6.1, MRWA Method WA115.1, MRWA Method WA115.2
Evaluation of geotechnical and civil construction material - Soil compaction characteristics Soils Assignment of optimum moisture content/maximum dry density (OMC/MDD) Not applicable AS 1289.5.4.2
Dry density/moisture content relationship Modified compactive effort AS 1289.5.2.1, MRWA Method WA133.1, MRWA Method WA133.2
Dry density/moisture content relationship Standard compactive effort AS 1289.5.1.1, MRWA Method WA132.1, MRWA Method WA132.2
Evaluation of geotechnical and civil construction material - Soil dispersion Soils Dispersion Pinhole AS 1289.3.8.3
Dispersion Emerson class AS 1289.3.8.1
Evaluation of geotechnical and civil construction material - Soil electrical properties Soils Electrical resistance Not applicable AS 1289.4.4.1
Evaluation of geotechnical and civil construction material - Soil field density Soils Moisture ratio Measured AS 1289.5.4.1, MRWA Method WA136.1
Dry density ratio Calculation AS 1289.5.4.1, MRWA Method WA134.1
Compaction control Hilf AS 1289.5.7.1
Dry density ratio Statistical selection of reference values MRWA Method WA134.1
Moisture ratio Statistical selection of reference values MRWA Method WA136.1
Density - In-situ Nuclear gauge AS 1289.5.8.1, MRWA WA324.2
Evaluation of geotechnical and civil construction material - Soil in-situ penetration Soils Penetration in-situ Dynamic cone; Perth sand penetrometer AS 1289.6.3.2, AS 1289.6.3.3
Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties Soils Compressive strength Uniaxial maximum dry MRWA Method WA140.1
Bearing ratio Remoulded specimens AS 1289.6.1.1, MRWA Method WA141.1
Evaluation of geotechnical and civil construction material - Soil permeability Soils Permeability Falling head for a remoulded specimen AS 1289.6.7.2
Permeability Constant head for a remoulded specimen AS 1289.6.7.1
Evaluation of geotechnical and civil construction material - Soil pre-treatment Soils Soil pre-treatment Not applicable AS 1289.1.1; MRWA Method WA105.1
Evaluation of geotechnical and civil construction material - Soil stabilisation Soils Compressive strength Uniaxial unconfined MRWA Method WA143.1
Sample collection Aggregates Not applicable Aggregate from a stockpile AS 1141.3.1 clauses 8.4.3, 9.3, 9.4, MRWA Method WA200.1
Soils Not applicable Site selection - Random stratified sampling AS 1289.1.4.2; MRWA Method WA100.1
Not applicable Site selection - Random sampling AS 1289.1.4.1; MRWA Method WA0.1
Not applicable Disturbed sampling from earthwork; Disturbed soil sampling from a face; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling from a windrow; Disturbed soil sampling in-situ
AS 1289.1.2.1; MRWA Method WA100.1

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Annex facility Materials defined by all or some for which the site is accredited Determinations defined by all or some for which the site is accredited Techniques defined by all or some for which the site is accredited Annex 4 - Calidus Annex Facility , Site No 25661 is established from 02 July 2021 until 31 December 2021 for  Material source testing for Warrawoona Project, Contract No PO 20000167.

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Annex facility Materials defined by all or some for which the site is accredited Determinations defined by all or some for which the site is accredited Techniques defined by all or some for which the site is accredited GNH Upgrade Ord River Section SLK 2922-2950 Annex Facility , Site No 25633 is established from 14 June 2021 until 22 November 2021 for the GNH Upgrade Ord River Section SLK 2922-2950 Project for WBHO Infrastructure Pty Ltd, Contract No 57006-MWSC-016.

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Annex facility Materials defined by all or some for which the site is accredited Determinations defined by all or some for which the site is accredited Techniques defined by all or some for which the site is accredited The Mardie Salt and Potash Annex Facility , Site No 25631 is established from 13 May 2021 until 31 December 2021 for the Mardie Salt and Potash Project for WBHO Infrastructure Pty Ltd, Contract No 34003187/57009.

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Annex facility Materials defined by all or some for which the site is accredited Determinations defined by all or some for which the site is accredited Techniques defined by all or some for which the site is accredited The WGLS Gruyere Annex Facility, Site No 25671 is established from 8 July 2021 until 31 December 2021 for the Gruyere Gold Project for MLG Oz, Contract No AU-058417001063.

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