
National Association of Testing Authorities, Australia
Scope of Accreditation
Civil Quality Assurance Pty Ltd
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 | Clay and fine silt | Settling | AS 1141.33 | |
| Weak particles contaminants | Sieve analysis | AS 1141.32 | |||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle density of coarse aggregate; Water absorption of coarse aggregate | Not applicable; Weighing-in-water | AS 1141.6.1 | |
| Particle size distribution | Sieve analysis | AS 1141.11.1 | |||
| Shape | Crushed faces | AS 1141.18 | |||
| Shape | Flakiness | AS 1141.15, MR (Qld) Method Q201 | |||
| Shape | Average least dimension | AS 1141.20.1, AS 1141.20.3 | |||
| Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on coarse aggregate | MR (Qld) Method Q208B | |
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Sieve analysis | Not applicable | AS 1289.3.6.1 MR (Qld) Method Q103A | |
| Liquid limit | Cone one point | AS 1289.3.9.2 MR (Qld) Method Q104D | |||
| Linear shrinkage | Not applicable | AS 1289.3.4.1 MR (Qld) Method Q106 | |||
| Plasticity index | Cone | AS 1289.3.3.2 | |||
| Plastic limit | Not applicable | AS 1289.3.2.1 MR (Qld) Method Q105 | |||
| Moisture content | Drying oven | AS 1289.2.1.1 | |||
| Liquid limit | Cone four point | AS 1289.3.9.1 MR (Qld) Method Q104A | |||
| 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 MR (Qld) Method Q144A | |
| Dry density/moisture content relationship | Standard compactive effort | AS 1289.5.1.1 MR (Qld) Method Q142A | |||
| Minimum and maximum dry density | Not applicable | AS 1289.5.5.1 | |||
| Dry density/moisture content relationship | Modified compactive effort | AS 1289.5.2.1 MR (Qld) Method Q142B | |||
| Oversize material | Oversize material treatment | MR (Qld) Method Q143 | |||
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Dry density ratio | Calculation | AS 1289.5.4.1 | |
| Density index | Not applicable | AS 1289.5.6.1 | |||
| Density - In situ | Sand-cone | AS 1289.5.3.1 MR (Qld) Method Q141B | |||
| Degree of saturation | Not applicable | MR (Qld) Method Q146 | |||
| Relative compaction | Not applicable | MR (Qld) Method Q140A | |||
| 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 MR (Qld) Method Q113A, MR (Qld) Method Q113C | |
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable | AS 1289.1.1 MR (Qld) Method Q101 | |
| Evaluation of geotechnical and civil construction material - Soil thermal properties | Soils | Thermal conductivity | In situ measurement; Laboratory measurement | ASTM D5334 | |
| Sample collection | Aggregates | Not applicable | Site selection - Random sampling; Site selection - Random stratified sampling; Site selection - Systematic random stratified sampling | MR (Qld) Method Q050 | |
| Not applicable | Site selection by spot sampling | MR (Qld) Method Q061 | |||
| Not applicable | Aggregate from a pavement; Aggregate from a stockpile | AS 1141.3.1 MR (Qld) Method Q060 | |||
| Soils | Not applicable | Site selection - Random stratified sampling | AS 1289.1.4.2 MR (Qld) Method Q050 | ||
| Not applicable | Site selection - Systematic random stratified sampling | MR (Qld) Method Q050 | |||
| Not applicable | Site selection - Random sampling | AS 1289.1.4.1 MR (Qld) Method Q050 | |||
| Not applicable | Disturbed sampling from earthwork; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling in situ | AS 1289.1.2.1 MR (Qld) Method Q060 |
The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
Accreditation No.
20084
Site No.
10595
Print date
11 Nov 2025