National Association of Testing Authorities, Australia
Scope of Accreditation
Downer EDI Works
Site
Downer EDI Darwin
Accreditation No.
20774
Site No.
24930
Date of Accreditation
21 Dec 2021
Contact
Availability
Services not 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 - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis | AS 1141.11.1 | |
Evaluation of geotechnical and civil construction material - Asphalt extraction and grading | Asphalts | Bitumen content and aggregate grading | Ignition oven | Austroads Method AGPT/T234 | |
Moisture content | Not applicable | AS/NZS 2891.10 | |||
Evaluation of geotechnical and civil construction material - Asphalt mechanical properties | Asphalts | Marshall stability and flow | Not applicable | AS/NZS 2891.5 | |
Evaluation of geotechnical and civil construction material - Asphalt specimen manufacture | Asphalts | Specimen conditioning | Handling and conditioning | AS/NZS 2891.2.1 | |
Evaluation of geotechnical and civil construction material - Asphalt volumetric properties | Asphalts | Bulk density; Maximum density; Voids and density relationship | Presaturation; Water displacement | AS/NZS 2891.7.1, AS/NZS 2891.8, AS/NZS 2891.9.2 | |
Sample collection | Aggregates | Not applicable | Aggregate from a bin; Aggregate from a conveyor belt; Aggregate from a stockpile; Aggregate from a truck | AS 1141.3.1 | |
Asphalts | Not applicable | Uncompacted asphalt | AS/NZS 2891.1.1 |
ISO/IEC 17025 (2017)
Materials
Service | Product | Determinant | Technique | Procedure | Limitations |
---|---|---|---|---|---|
Analysis of bituminous materials - Properties | Bituminous materials | Segregation of bituminous materials | Not applicable | Austroads Method AGPT/T108 | |
Sample handling and conditioning | Not applicable | Austroads Method ATM/T102, AS/NZS 2341.21 | |||
Viscosity | Brookfield viscometer | Austroads Method ATM/T111, AS/NZS 2341.4 | |||
Torsional recovery | Not applicable | Austroads Method ATM/T122 | |||
Softening point | Ring and ball | AS 2341.18, Austroads Method AGPT/T131 | |||
Sample collection | Bituminous materials | Not applicable | Polymer modified bitumens from tanks, tankers and drums | Austroads Method ATM/T101 |
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Accreditation No.
20774
Site No.
24930
Print date
24 Nov 2024