
National Association of Testing Authorities, Australia
Scope of Accreditation
QGS Quality Geotechnical Services Pty Ltd
Site
QGS Quality Geotechnical Services Pty Ltd
Accreditation No.
21234
Site No.
24823
Date of Accreditation
10 May 2023
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 - Road pavement structural performance | Road pavements | Structural performance evaluation | Benkelman beam; Deflection monitoring | TfNSW TS 02795.22,TfNSW TS 02795.55 | |
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Moisture content | Drying oven | AS 1289.2.1.1 TfNSW TS 02795.14 | |
| Liquid limit; Plastic limit; Plasticity index | Casagrande; Casagrande one point | AS 1289.3.1.1, AS 1289.3.1.2, AS 1289.3.2.1, AS 1289.3.3.1 TfNSW TS 02795.04,TfNSW TS 02795.05 | |||
| Description, identification and classification | Not applicable | AS 1726 Tables 9 and 10 (laboratory tests only) | |||
| Linear shrinkage | Not applicable | AS 1289.3.4.1 TfNSW TS 02795.08 | |||
| Fine particles in road materials; Sieve analysis | Not applicable | AS 1289.3.6.1 TfNSW TS 02795.02, TfNSW TS 02795.03 | |||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Modified compactive effort; Standard compactive effort | AS 1289.5.1.1, AS 1289.5.2.1 TfNSW TS 02795.06,TfNSW TS 02796.01 | |
| Dry density/moisture content relationship | Three compaction point | TfNSW TS 02795.24 | |||
| Maximum dry density | Not applicable | TfNSW TS 02795.26 | |||
| Assignment of optimum moisture content/maximum dry density (OMC/MDD) | Not applicable | AS 1289.5.4.2 | |||
| Minimum and maximum dry density | Not applicable | AS 1289.5.5.1 | |||
| 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 | Compaction control | Hilf | AS 1289.5.7.1 | |
| Dry density ratio | Calculation | AS 1289.5.4.1 | |||
| Relative compaction | Not applicable | TfNSW TS 02795.28 | |||
| Density index | Not applicable | AS 1289.5.6.1 | |||
| Density - In situ | Nuclear gauge; Sand pouring apparatus; Sand-cone | AS 1289.5.3.1, AS 1289.5.8.1 TfNSW TS 02795.13,TfNSW TS 02795.36 | |||
| 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 TfNSW TS 02795.23 | |
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens | AS 1289.6.1.1 TfNSW TS 02795.11 | |
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Accelerated weathering pre-treatment; Repeated compaction pre-treatment | TfNSW TS 02794.02, TfNSW TS 02794.03 | |
| Soil pre-treatment | Not applicable | AS 1289.1.1; TfNSW TS 02795.01 | |||
| 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 stabilisation | Soils | Compressive strength | Uniaxial unconfined | TfNSW TS 02795.10,TfNSW TS 02796.02 | |
| Sample collection | Soils | Not applicable | Site selection - Random sampling; Site selection - Random stratified sampling | AS 1289.1.4.1, AS 1289.1.4.2 | |
| Not applicable | Disturbed soil sampling from a stockpile; Disturbed soil sampling from a windrow; Disturbed soil sampling in situ | AS 1289.1.2.1 |
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.
21234
Site No.
24823
Print date
18 Nov 2025