
National Association of Testing Authorities, Australia
Scope of Accreditation
C & T Geotechnical (Melbourne) Pty Ltd
Scope of Accreditation
C & T Geotechnical (Melbourne) Pty Ltd
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 | |
Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis | AS 1141.11.1 | |
Evaluation of geotechnical and civil construction material - Soil classification | Soils | Weighted plasticity index | Not applicable | RC (Vic) Method 326.01 | |
Plasticity index | Casagrande | AS 1289 3.3.1 | |||
Linear shrinkage | Not applicable | AS 1289.3.4.1 | |||
Moisture content | Drying oven; Hot plate | AS 1289.2.1.1; AS 1289.2.1.6: | |||
Liquid limit | Casagrande | AS 1289.3.1.1; AS 1289.3.1.2: | |||
Sieve analysis | Not applicable | AS 1289.3.6.1 | |||
Particle density | Not applicable | AS 1289.3.5.1 | |||
Plastic limit | Not applicable | AS 1289 3.2.1 | |||
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; Standard compactive effort | AS 1289 5.1.1; AS 1289 5.2.1; | |||
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 field density | Soils | Characteristic field density values | Not applicable | RC (Vic) Method 316.00 | |
Moisture ratio assessment of dry back | Not applicable | RC (Vic) Method 316.14 | |||
Compaction control | Hilf | AS 1289.5.7.1 | |||
Dry density ratio; Moisture ratio | Calculation; Measured | AS 1289.5.4.1 | |||
Density - In situ; Moisture - In situ | Nuclear gauge | AS 1289.5.8.1 | |||
Density ratio - density decay correction factor | Calculation | RC (Vic) Method 330.04 | |||
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 | |
Bearing ratio | Assignment of CBR and percent swell | RC (Vic) Method 324.01 | |||
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 pre-treatment | Soils | Soil pre-treatment | Repeated compaction pre-treatment | RC (Vic) Method 301.05 | |
Evaluation of geotechnical and civil construction material - Soil reactivity | Soils | Reactivity | Shrink/swell | AS 1289.7.1.1 | |
Evaluation of geotechnical and civil construction material - Soil sample preparation | Soils | Preparation of disturbed samples | Not applicable | AS 1289.1.1 | |
Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Lime saturation point | Not applicable | RC (Vic) Method 131.01 | |
Sample preparation | Cement stabilisation; Lime stabilisation | RC (Vic) Method 301.03; RC (Vic) Method 301.06: | |||
Density decay correction factor for granular materials | Not applicable | RC (Vic) Method 330.03 | |||
Sample collection | Soils | Not applicable | Site selection - Random stratified sampling | RC (Vic) Method 316.10 | |
Not applicable | Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile | AS 1289.1.2.1 |
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Accreditation No.
21552
Site No.
25957
Print date
26 Apr 2025
END OF SCOPE