National Association of Testing Authorities, Australia
Scope of Accreditation
Douglas Partners Pty Ltd
Site
Darwin Laboratory
Accreditation No.
828
Site No.
10831
Date of Accreditation
07 Feb 1996
Contact
Availability
Services available to external clients
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 | Settling |
AS 1141.33 |
|
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis |
AS 1141.11.1 |
|
| Shape | Average least dimension; Flakiness; Proportional calliper |
AS 1141.14 AS 1141.15 AS 1141.20.1 AS 1141.20.2 |
|||
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar consistence in-situ | Concrete, grout and mortar | Slump flow | Cone |
AS 1012.3.1 |
|
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar properties | Concrete, grout and mortar | Mass per unit volume - Hardened concrete | Dimensions |
AS 1012.12.1 |
|
| Compressive strength | Cylinder |
AS 1012.9 |
|||
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar specimen manufacture and curing | Concrete, grout and mortar | Specimen manufacture and curing | Curing cylinder specimens in the laboratory |
AS 1012.8.1 |
|
| Specimen manufacture and curing | In-situ manufacture and curing of cylindrical specimens |
AS 1012.8.1 |
|||
| Evaluation of geotechnical and civil construction material - Road pavement surfacing characteristics | Road pavements | Penetration depth | Ball embedment | DOI (NT) Method NTTM 215.1 | |
| Layer thickness | Not applicable |
DOI (NT) Method NTTM 216.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Sieve analysis | Not applicable |
AS 1289.3.6.1 DOI (NT) Method NTTM 217.1 |
|
| Plastic limit | Not applicable |
AS 1289.3.2.1 |
|||
| Plasticity index | Casagrande |
AS 1289.3.3.1 |
|||
| Liquid limit | Casagrande four point; Casagrande one point |
AS 1289.3.1.1 AS 1289.3.1.2 |
|||
| Moisture content | Drying oven |
AS 1289.2.1.1 |
|||
| 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 |
AS 1289.5.2.1 DOI (NT) Method NTTM 201.2 DOI (NT) Method NTTM 201.3 |
|
| 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 |
|||
| 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 | Field compaction for conformance | Calculation |
DOI (NT) NTCP 102.1 |
|
| Compaction control | Hilf |
AS 1289.5.7.1 |
|||
| Density - In-situ | Nuclear gauge |
AS 1289.5.8.1 |
|||
| Moisture ratio | Measured |
AS 1289.5.4.1 |
|||
| Dry density ratio | Calculation |
AS 1289.5.4.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens |
AS 1289.6.1.1 |
|
| 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 pavement; Aggregate from a stockpile; Aggregate from a truck |
AS 1141.3.1 |
|
| Concrete, grout and mortar | Not applicable | Fresh concrete from a mixer; Fresh concrete from deposited concrete |
AS 1012.1 |
||
| Soils | Not applicable | Disturbed sampling from earthwork; Disturbed soil sampling from a face; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling from a windrow; Disturbed soil sampling in-situ |
AS 1289.1.2.1 |
||
| Not applicable | Site selection - Random stratified sampling |
AS 1289.1.4.2 DOI (NT) Method NTCP 103.1 |
|||
| Not applicable | Site selection - Random sampling |
AS 1289.1.4.1 DOI (NT) Method NTCP 103.1 |
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.
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
Accreditation No.
828
Site No.
10831
Print date
27 Apr 2024
