
National Association of Testing Authorities, Australia
Scope of Accreditation
QualTech (Tas) Pty Ltd
Scope of Accreditation
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 contaminants | Aggregates | Clay and fine silt; Organic impurities | Colour test; Settling | AS 1141.33 AS 1141.34 | |
| Coarse aggregate quality | Visual comparison | AS 1141.30.1; RC (Vic) Method 372.01 | |||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Water absorption of fine aggregate | Not applicable | AS 1141.5 | |
| Shape | Average least dimension | AS 1141.20.1 AS 1141.20.2 | |||
| Particle size distribution | Sieve analysis | AS 1141.11.1 | |||
| Water absorption of coarse aggregate | Not applicable | AS 1141.6.1 | |||
| Particle density of fine aggregate | Weighing-in-water | AS 1141.5 | |||
| Shape | Flakiness | AS 1141.15 | |||
| Particle density of coarse aggregate | Weighing-in-water | AS 1141.6.1 | |||
| Shape | Proportional calliper | AS 1141.14 | |||
| Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on coarse aggregate; Degradation factor on fine aggregate | AS 1141.25.2; AS 1141.25.3 | |
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Plastic limit | Not applicable | AS 1289.3.2.1 | |
| Plasticity index | Casagrande | AS 1289.3.3.1 | |||
| Linear shrinkage | Not applicable | AS 1289.3.4.1 | |||
| Moisture content | Drying oven | AS 1289.2.1.1 | |||
| Liquid limit | Casagrande one point | AS 1289.3.1.1 AS 1289.3.1.2 | |||
| Sieve analysis | AS 1289.3.6.1 | ||||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Modified compactive effort | AS 1289.5.2.1 | |
| Dry density/moisture content relationship | Standard compactive effort | AS 1289.5.1.1 | |||
| Assignment of optimum moisture content/maximum dry density (OMC/MDD) | Not applicable | AS 1289.5.4.2 In-house Method #9 | |||
| Evaluation of geotechnical and civil construction material - Soil electrical properties | Soils | Electrical resistance | Not applicable | AS 1289.4.4.1 | |
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Density - In situ | Nuclear gauge | AS 1289.5.8.1 | |
| Dry density ratio | Calculation | AS 1289.5.4.1 | |||
| Field moisture content | Nuclear gauge | AS 1289.5.8.1 | |||
| Moisture ratio | Measured | AS 1289.5.4.1 | |||
| Density index | Not applicable | AS 1289.5.6.1 | |||
| Characteristic field density values; Moisture ratio assessment of dry back | RC (Vic) Methods 316.00, 316.14 | ||||
| Compaction control | Hilf | AS 1289.5.7.1 | |||
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Assignment of CBR and percent swell | RC (Vic) Method 324.01 | |
| Bearing ratio | Undisturbed samples | AS 12889.6.1.1 | |||
| 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 | Not applicable | AS 1289.1.1 | |
| Sample collection | Aggregates; Soils | Not applicable | Aggregate from a bin; Aggregate from a pavement; Aggregate from a stockpile; Aggregate from a windrow; Disturbed sampling from earthwork; Disturbed soil sampling from a pavement | AS 1141.3.1 AS 1289.1.2.1 | |
| Soils | Not applicable | Site selection - Random stratified sampling | RC (Vic) Method 316.10 |
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.
4044
Site No.
4037
Print date
06 Nov 2025