National Association of Testing Authorities, Australia
Scope of Accreditation
Douglas Partners Pty Ltd
Site
Melbourne Laboratory
Accreditation No.
828
Site No.
510
Date of Accreditation
29 Mar 1965
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 | |||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis |
AS 1141.11.1 |
|
| Sample preparation | Untreated bulk samples |
RC (Vic) Method 301.01 |
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| Shape | Flakiness |
AS 1141.15 |
|||
| Evaluation of geotechnical and civil construction material - Rock properties | Rocks | Moisture content | Drying oven |
AS 4133.1.1.1 |
|
| Point load strength index | Not applicable |
AS 4133.4.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Moisture content | Drying oven |
AS 1289.2.1.1 |
|
| 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 |
|||
| Description, identification and classification | Not applicable |
AS 1726 Tables 9 and 10 |
|||
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 |
|||
| Plastic limit | Not applicable |
AS 1289.3.2.1 |
|||
| Sieve analysis | Not applicable |
AS 1289.3.6.1 |
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| Particle density | Not applicable |
AS 1289.3.5.1 |
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| 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 |
|
| 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 engineering properties | Soils | Dispersion | Emerson class; Pinhole |
AS 1289.3.8.1, AS 1289.3.8.3 |
|
| Reactivity | Shrink/swell |
AS 1289.7.1.1 |
|||
| Bearing ratio | In-situ measurement; Remoulded specimens |
AS 1289.6.1.1, AS 1289.6.1.3 |
|||
| Triaxial strength | Triaxial consolidate drained | BS EN ISO 17892-9 | |||
| Fine particle analysis | Hydrometer |
AS 1289.3.6.3 |
|||
| Permeability | Constant head for a remoulded specimen; Falling head for a remoulded specimen; Flexible wall permeameter |
AS 1289.6.7.1, AS 1289.6.7.2, AS 1289.6.7.3 Douglas Partners in-house method for permeability |
|||
| Triaxial strength | Triaxial undrained with pore water pressure measured; Triaxial undrained without pore water pressure measurement |
AS 1289.6.4.1, AS 1289.6.4.2 |
|||
| Consolidation | One-dimensional |
AS 1289.6.6.1 |
|||
| Shear strength | Direct shear force |
AS 1289.6.2.2 |
|||
| Penetration in-situ | Dynamic cone |
AS 1289.6.3.2 |
|||
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Moisture ratio assessment of dry back | Not applicable |
RC (Vic) Method 316.14 |
|
| Characteristic field density values |
RC (Vic) Method 316.00 |
||||
| Field moisture content | Nuclear gauge |
AS 1289.5.8.1 |
|||
| Compaction control | Hilf |
AS 1289.5.7.1 |
|||
| Density - In-situ | Nuclear gauge |
AS 1289.5.8.1 |
|||
| Dry density ratio; Moisture ratio | Calculation; Measured |
AS 1289.5.4.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Repeated compaction pre-treatment |
AS 1289.1.1 RC (Vic) Method 301.05 |
|
| Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Sample preparation | Cement stabilisation; Lime stabilisation |
RC (Vic) Method 301.03, RC (Vic) Method 301.06 |
|
| Sample collection | Aggregates | Not applicable | Aggregate from a pavement; Aggregate from a stockpile |
AS 1141.3.1 |
|
| Soils | Not applicable | Disturbed sampling from earthwork; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling in-situ |
AS 1289.1.2.1 |
||
| Not applicable | Site selection - Random sampling; Site selection - Random stratified sampling |
AS 1289.1.4.1 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.
828
Site No.
510
Print date
27 Sep 2021