
National Association of Testing Authorities, Australia
Scope of Accreditation
Geotechnical Laboratories Pty Ltd
Site
Laboratory
Accreditation No.
14561
Site No.
14614
Date of Accreditation
05 Feb 2001
Contact
Availability
Services available to external clients
Scope of Accreditation
ISO/IEC 17025 (2017)
Infrastructure and Asset Integrity
| Service | Product | Determinant | Technique | Procedure | Limitations |
|---|---|---|---|---|---|
| Evaluation of geotechnical and civil construction material - Aggregate contaminants | Aggregates | Foreign material in recycled aggregate | Manual classification | RC (Vic) Method 372.04 | |
| Weak particles contaminants | Sieve analysis | AS 1141.32 | |||
| Coarse aggregate quality | Visual comparison | AS 1141.30.1, RC (Vic) Method 372.01 | |||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis | AS 1141 11.1 | |
| Shape | Flakiness | AS 1141.15; RC (Vic) Method 302.11; | |||
| Particle density of fine aggregate; Water absorption of fine aggregate | Weighing-in-water | AS 1141.5 | |||
| Bulk density | Compacted; Uncompacted | AS 1141.4 | |||
| Particle density of coarse aggregate; Water absorption of coarse aggregate | Weighing-in-water | AS 1141.6.1 | |||
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Moisture content | Drying oven | AS 1289.2.1.1 | |
| Plasticity index | Casagrande | AS 1289.3.3.1 | |||
| Liquid limit | Casagrande | AS 1289.3.1.1 AS 1289.3.1.2 | |||
| Sieve analysis | Not applicable | AS 1289.3.6.1 | |||
| Plastic limit | Not applicable | AS 1289.3.2.1 | |||
| Moisture content | Hot plate | AS 1289.2.1.6 | |||
| Linear shrinkage | Not applicable | AS 1289.3.4.1 | |||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Standard compactive effort | AS 1289.5.1.1 | |
| Dry density/moisture content relationship | Modified compactive effort | AS 1289.5.2.1 | |||
| 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 | Emerson class | AS 1289.3.8.1 | |
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Density - In situ | Nuclear gauge | AS 1289.5.8.1 | |
| Moisture ratio | Measured | AS 1289.5.4.1 | |||
| Dry density ratio | Calculation | AS 1289.5.4.1 | |||
| Field moisture content | Nuclear gauge | AS 1289.5.8.1 | |||
| Compaction control | Hilf | AS 1289.5.7.1 | |||
| Characteristic field density values | Not applicable | RC (Vic) Method 316.00 | |||
| Moisture ratio assessment of dry back | Not applicable | RC (Vic) Method 316.14 | |||
| Dry density ratio | Statistical selection of reference values | AS 1289.5.4.3 | |||
| Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration - In situ | Dynamic cone | AS 1289.6.3.2 | |
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens | AS 1289.6.1.1 | |
| Evaluation of geotechnical and civil construction material - Soil permeability | Soils | Permeability | Falling head for a remoulded specimen | AS 1289.6.7.2 | |
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Repeated compaction pre-treatment | RC (Vic) Method 301.05 | |
| Soil pre-treatment | Not applicable | AS 1289.1.1 | |||
| Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Laboratory stabilisation of soil | Lime stabilisation | RC (Vic) Method 301.03 | |
| Laboratory stabilisation of soil | Cement | RC (Vic) Method 301.06 | |||
| Sample collection | Aggregates | Not applicable | Aggregate from a stockpile; Aggregate from a truck; Aggregate from a windrow | AS 1141.3.1 | |
| Soils | Not applicable | Site selection - Random sampling | AS 1289.1.4.1 | ||
| Not applicable | Site selection - Random stratified sampling | AS 1289.1.4.2 RC (Vic) Method 316.10 | |||
| Not applicable | Disturbed sampling from earthwork; 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 |
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Accreditation No.
14561
Site No.
14614
Print date
17 Apr 2026