
National Association of Testing Authorities, Australia
Scope of Accreditation
Benchmark Geotechnical Pty Ltd
Scope of Accreditation
Benchmark Geotechnical
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 properties | Aggregates | Particle size distribution | Sieve analysis | AS 1141.11.1, TfNSW TS 02799.02 | |
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Linear shrinkage; Liquid limit; Moisture content; Plastic limit; Plasticity index; Sieve analysis | Casagrande; Correlation; Drying oven; Hot plate | AS 1289.2.1.1, AS 1289.2.1.6, AS 1289.2.3.1, AS 1289.3.1.1, AS 1289.3.1.2, AS 1289.3.2.1, AS 1289.3.3.1, AS 1289.3.4.1, AS 1289.3.6.1, TfNSW TS 02795.02,TfNSW TS 02795.04,TfNSW TS 02795.05,TfNSW TS 02795.08,TfNSW TS 02795.14 | |
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Assignment of optimum moisture content/maximum dry density (OMC/MDD); Dry density/moisture content relationship; Minimum and maximum dry density | Modified compactive effort; Standard compactive effort | AS 1289.5.1.1, AS 1289.5.2.1, AS 1289.5.4.2, AS 1289.5.5.1, TfNSW TS 02795.06,TfNSW TS 02795.07,TfNSW TS 02795.26 | |
| 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; Density - In situ; Density index; Dry density ratio; Field moisture content | Hilf; Nuclear gauge | AS 1289.5.4.1, AS 1289.5.6.1, AS 1289.5.7.1, AS 1289.5.8.1, TfNSW TS 02795.24,TfNSW TS 02795.28,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 | |
| 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 | AS 1289.1.1, TfNSW TS 02794.02,TfNSW TS 02794.03 | |
| Evaluation of geotechnical and civil construction material - Soil sample preparation | Soils | Preparation of disturbed samples | Not applicable | AS 1289.1.1, TfNSW TS 02795.01 | |
| Sample collection | Aggregates | Not applicable | Aggregate from a conveyor belt; Aggregate from a pavement; Aggregate from a stockpile | AS 1141.3.1, TfNSW TS 02794.01 | |
| Soils | Not applicable | Disturbed sampling from earthwork; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile | AS 1289.1.2.1, TfNSW TS 02794.01 | ||
| Not applicable | Site selection - Random sampling; Site selection - Random stratified sampling | AS 1289.1.4.1, AS 1289.1.4.2 |
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.
20634
Site No.
24735
Print date
22 Apr 2026
END OF SCOPE