National Association of Testing Authorities, Australia
Scope of Accreditation
Western Quarries 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 | Coarse aggregate quality | Visual comparison |
AS 1141.30.1, RC (Vic) Method 372.01 |
|
| Weak particles contaminants | Sieve analysis |
AS 1141.32 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis; Sieve analysis of material finer than 75 µm |
AS 1141.11.1, AS 1141.12, RC (Vic) Method 375.11,RC (Vic) Method 375.12 |
|
| Particle density of fine aggregate | Weighing-in-water |
AS 1141.5 |
|||
| Shape | Average least dimension; Flakiness; Proportional calliper |
AS 1141.14, AS 1141.15, AS 1141.20.1, AS 1141.20.2, AS 1141.20.3 |
|||
| Water absorption of fine aggregate | Weighing-in-water |
AS 1141.5 |
|||
| Particle density of coarse aggregate | Weighing-in-water |
AS 1141.6.1 |
|||
| Bulk density | Compacted; Uncompacted |
AS 1141.4 |
|||
| Water absorption of coarse aggregate | Weighing-in-water |
AS 1141.6.1 |
|||
| Particle density of coarse aggregate | Pycnometer |
AS 1141.6.2 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on fine aggregate |
AS 1141.25.3, RC (Vic) Method 370.05 |
|
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Liquid limit | Casagrande four point; Casagrande one point |
AS 1289.3.1.1, AS 1289.3.1.2 |
|
| Plasticity index | Casagrande |
AS 1289.3.3.1 |
|||
| Sieve analysis | Not applicable | AS 1289.3.6.1 | |||
| Moisture content | Drying oven |
AS 1289.2.1.1 |
|||
| Plastic limit | Not applicable |
AS 1289.3.2.1 |
|||
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 |
|||
| 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 |
|
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable |
AS 1289.1.1 |
|
| Sample collection | Aggregates | Not applicable | Aggregate from a stockpile | AS 1141.3.1 | |
| Soils | Not applicable | Disturbed soil sampling from a stockpile | 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 (SoA).
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
The Product column may also describe an Item or Material.
The Limitations column may also describe the Range.
Accreditation No.
20693
Site No.
24824
Print date
25 Aug 2026