
National Association of Testing Authorities, Australia
Scope of Accreditation
Downer EDI Works
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 | Weak particles contaminants | Sieve analysis | AS 1141.32 | |
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Shape | Average least dimension; Crushed faces; Flakiness | MR (Qld) Methods Q201, AS 1141.18, AS 1141.20.3 | |
| Particle size distribution | Sieve analysis; Sieve analysis of material finer than 75 µm | AS 1141.11.1, AS 1141.12 | |||
| Evaluation of geotechnical and civil construction material - Asphalt adhesion and stripping | Asphalts | Binder paste drain-off | Not applicable | Austroads Method AGPT/T235 | |
| Degree of particle coating | Not applicable | AS/NZS 2891.11 | |||
| Evaluation of geotechnical and civil construction material - Asphalt extraction and grading | Asphalts | Bitumen content and aggregate grading | Reflux | AS/NZS 2891 3.1, MR (Qld) Method Q308A | |
| Evaluation of geotechnical and civil construction material - Asphalt field density | Asphalts | Characteristic values; Density ratio and air voids; Field density | Not applicable | MR (Qld) Method Q020, MR (Qld) Method Q314, Australian Airports Association AAA MT002 | |
| Field density | Nuclear gauge backscatter mode | MR (Qld) Method Q306E, MR (Qld) Method NGTM N04, MR (Qld) Method NGTM N05 | |||
| Evaluation of geotechnical and civil construction material - Asphalt mechanical properties | Asphalts | Marshall stability and flow | Not applicable | AS/NZS 2891.5, MR (Qld) Method Q305, Australian Airports Association AAA MT001 | |
| Evaluation of geotechnical and civil construction material - Asphalt specimen manufacture | Asphalts | Specimen conditioning | Handling and conditioning | MR (Qld) Method Q303A, MR (Qld) Method Q303B | |
| Evaluation of geotechnical and civil construction material - Asphalt volumetric properties | Asphalts | Binder film thickness; Bulk density; Gyratory compaction curve; Maximum density; Mix volume ratio density; Voids and density relationship | Mensuration; Presaturation; Silicone sealing; Water displacement; Waxing | AS/NZS 2891.7.1, AS/NZS 2891.8, AS/NZS 2891.9.1, AS/NZS 2891.9.2, AS/NZS 2891.9.3 MR (Qld) Method Q306B, MR (Qld) Method Q306C, MR (Qld) Method Q306D, MR (Qld) Method Q307A, MR (Qld) Method Q311, MR (Qld) Method Q317, MR (Qld) Method Q318 | |
| Evaluation of geotechnical and civil construction material - Pavement shape | Road pavements | Surface deviation | Straight edge | MR (Qld) Method Q712 | |
| Evaluation of geotechnical and civil construction material - Road pavement surfacing characteristics | Road pavements | Texture depth | Sand patch | Austroads Method AGPT/T250 | |
| Sample collection | Aggregates | Not applicable | Aggregate from a stockpile | AS 1141.3.1, MR (Qld) Method Q060 | |
| Asphalts | Not applicable | Extraction of an asphalt core - Dry technique; Extraction of an asphalt core - Wet technique; Uncompacted asphalt | AS/NZS 2891.1.1, AS 2891.1.2 | ||
| Not applicable | Site selection - Random sampling; Site selection - Random stratified sampling | AS 1289.1.4.2, MR (Qld) Method Q050 |
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.
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Accreditation No.
21798
Site No.
10907
Print date
02 May 2026