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 Matthew van Herk P: +61 (08) 94723465

Availability

Services available to external clients

Western Geotechnical & Laboratory Services address map

Scope of Accreditation

Print scopes
Western Geotechnical & Laboratory Services

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 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 Foreign material in recycled aggregate Manual classification MRWA Method WA144.1
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 Particle size distribution Sieve analysis of material finer than 75 µm AS 1141.12
Bulk density Uncompacted AS 1141.4
Particle size distribution Sieve analysis AS 1141.11.1, MRWA Method WA210.1
Shape Proportional calliper AS 1141.14
Bulk density Compacted AS 1141.4
Particle density of coarse aggregate Weighing-in-water AS 1141.6.1
Particle density of fine aggregate Weighing-in-water AS 1141.5
Moisture content Drying oven AS 1289.2.1.1, MRWA Method WA212.1
Shape Flakiness AS 1141.15, MRWA Method WA216.1
Shape Average least dimension AS 1141.20.1, AS 1141.20.2, MRWA WA215.1
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 Aggregate crushing value Not applicable AS 1141.21
Wet/dry strength variation Not applicable AS 1141.22
Evaluation of geotechnical and civil construction material - Concrete, grout and mortar chemical tests Concrete, grout and mortar Chloride level in hardened concrete; Sulfate level in hardened concrete Nitric acid AS 1012.20.1
Evaluation of geotechnical and civil construction material - Soil chemical properties Soils Organic matter Titration AS 1289.4.1.1
Soluble sulfate Acid extraction AS 1289.4.2.1 Including determination of sulfate content of groundwater
Chloride; Salts - Total dissolved Saturation extract MRWA Method WA910.1 Including determination of chloride and soluble salts in water
Organic matter Loss on ignition (LOI) ASTM D2974 Method A
Calcium carbonate content Not applicable MRWA Method WA915.1
Evaluation of geotechnical and civil construction material - Soil classification Soils Liquid limit Casagrande four point AS 1289.3.1.1, MRWA Method WA120.1
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
Sieve analysis Not applicable AS 1289.3.6.1, MRWA Method WA115.1, MRWA Method WA115.2
Liquid limit Cone four point AS 1289.3.9.1, MRWA Method WA120.2
Plasticity index Casagrande AS 1289.3.3.1, MRWA Method WA122.1
Liquid limit Cone one point AS 1289.3.9.2
Linear shrinkage Not applicable AS 1289.3.4.1, MRWA Method WA123.1
Plastic limit Not applicable AS 1289.3.2.1, MRWA Method WA121.1
Particle density Not applicable AS 1289.3.5.1
Liquid limit Casagrande one point AS 1289.3.1.2
Evaluation of geotechnical and civil construction material - Soil compaction characteristics Soils Dry density/moisture content relationship Standard compactive effort AS 1289.5.1.1, MRWA Method WA132.1, MRWA Method WA132.2
Dry density/moisture content relationship Modified compactive effort AS 1289.5.2.1, MRWA Method WA133.1, MRWA Method WA133.2
Assignment of optimum moisture content/maximum dry density (OMC/MDD) Not applicable AS 1289.5.4.2
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 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
Moisture ratio Measured AS 1289.5.4.1, MRWA Method WA136.1
Evaluation of geotechnical and civil construction material - Soil fine particles Soils Fine particle analysis Hydrometer AS 1289.3.6.3
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 natural contaminants Soils Acidity pH AS 1289.4.3.1
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 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
Not applicable Site selection - Random sampling AS 1289.1.4.1; MRWA Method WA0.1
Gruyere TSF Stage 5 Preliminary Annex Facility

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 Gruyere TSF Stage 5 Preliminary Annex Facility, Site no 26823 is established from 10 July 2024 until 31 December 2024 for project Gruyere TSF Stage 5 Preliminary for contractor Gruyere Management Pty Ltd contract no: PO 4500668423.

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