National Association of Testing Authorities, Australia
Scope of Accreditation
Douglas Partners Pty Ltd
Site
Central Coast Laboratory
Accreditation No.
828
Site No.
2666
Date of Accreditation
30 Jun 1989
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 | Foreign material in recycled aggregate | Manual classification |
TfNSW TS 02799.51 |
|
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Fine particles in road materials; Sieve analysis; Sieve analysis of material finer than 75 µm |
AS 1141.11.1, AS 1141.12 RMS (NSW) Method T107 (2012), TfNSW T107 TfNSW TS 02795.03, TfNSW TS 02799.02, TfNSW TS 02799.04 |
|
| Shape | Proportional calliper |
AS 1141.14 TfNSW TS 02799.12 |
|||
| Shape | Crushed faces |
AS 1141.18 TfNSW TS 02799.36 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate strength | Aggregates | Aggregate crushing value | Not applicable |
AS 1141.21, TfNSW TS 02799.06, TfNSW TS 02799.14 |
|
| Wet/dry strength variation | Not applicable |
AS 1141.22, TfNSW TS 02799.13 |
|||
| 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 | Compressive strength | Core; Cube; Cylinder |
AS 1012.9, AS 1012.14 TfNSW TS 02800.07, TfNSW TS 02800.11, TfNSW TS 02800.49 |
|
| Mass per unit volume - Hardened concrete | Dimensions | AS 1012.12.1 | |||
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar specimen manufacture and curing | Concrete, grout and mortar | Specimen conditioning; Specimen manufacture and curing | Curing cylinder specimens in the laboratory; Curing grout and mortar cube specimens in the laboratory; In situ manufacture and curing of cylindrical specimens; In situ manufacture and curing of grout and mortar cubes; Wet conditioning of hardened concrete core specimens |
AS 1012.8.1, AS 1012.14 TfNSW TS 02800.05, TfNSW TS 02800.11, TfNSW TS 02800.49 |
|
| Evaluation of geotechnical and civil construction material - Road pavement structural performance | Road pavements | Structural performance evaluation | Benkelman beam; Deflection monitoring |
TfNSW TS 02795.22, TfNSW TS 02795.55 |
|
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Moisture content | Drying oven; Microwave oven |
AS 1289.2.1.1, AS 1289.2.1.4 TfNSW TS 02795.14 |
|
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 TfNSW TS 02795.08 |
|||
| Fine particles in road materials | Not applicable |
RMS (NSW) Method T107 (2012), TfNSW T107; TfNSW TS 02795.03 |
|||
| Plasticity index | Casagrande |
AS 1289.3.3.1 |
|||
| Sieve analysis | Not applicable |
AS 1289.3.6.1 RMS (NSW) Method T106 (2012), TfNSW T106; TfNSW TS 02795.02 |
|||
| Plastic limit | Not applicable |
AS 1289.3.2.1 TfNSW TS 02795.05 |
|||
| Liquid limit | Casagrande |
AS 1289.3.1.1, AS 1289.3.1.2 TfNSW TS 02795.01, TfNSW TS 02795.04 |
|||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Modified compactive effort; Standard compactive effort; Three compaction point |
AS 1289.5.1.1, AS 1289.5.2.1 TfNSW TS 02795.06, TfNSW TS 02795.07, TfNSW TS 02796.01, TfNSW TS 02795.24 |
|
| Maximum dry density | Not applicable |
TfNSW TS 02795.26 |
|||
| Assignment of optimum moisture content/maximum dry density (OMC/MDD) | Not applicable |
AS 1289.5.4.2 |
|||
| Minimum and maximum dry density | Not applicable |
AS 1289.5.5.1 |
|||
| 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 | Relative compaction | Not applicable |
TfNSW TS 02795.28 |
|
| Moisture ratio | Measured |
AS 1289.5.4.1 |
|||
| Dry density ratio | Calculation |
AS 1289.5.4.1 |
|||
| Density - In situ | Nuclear gauge |
AS 1289.5.8.1 TfNSW TS 02795.36 |
|||
| Density index | Not applicable |
AS 1289.5.6.1 |
|||
| Compaction control | Hilf |
AS 1289.5.7.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration - In situ | Dynamic cone; Perth sand penetrometer |
AS 1289.6.3.2, AS 1289.6.3.3 TfNSW TS 02795.23 |
|
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Compressive strength | Uniaxial maximum dry | TfNSW TS 02795.09 | |
| Bearing ratio | Remoulded specimens |
AS 1289.6.1.1 TfNSW TS 02795.11, TfNSW TS 02796.03 |
|||
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Accelerated weathering pre-treatment; Repeated compaction pre-treatment |
AS 1289.1.1 TfNSW TS 02794.02, TfNSW TS 02794.03, TfNSW TS 02795.01 |
|
| Evaluation of geotechnical and civil construction material - Soil reactivity | Soils | Reactivity | Shrink/swell |
AS 1289.7.1.1 |
|
| Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Compressive strength | Uniaxial unconfined |
TfNSW TS 02795.10, TfNSW TS 02796.02 |
|
| Stabiliser working time | Cementitious stabilisation time | TfNSW TS 02797.04 | |||
| Sample collection | Aggregates | Not applicable | Aggregate from a pavement; Aggregate from a stockpile; Aggregate from a windrow |
AS 1141.3.1 TfNSW TS 02794.01 |
|
| Concrete, grout and mortar | Not applicable | Fresh concrete from a mixer; Fresh concrete from deposited concrete; Fresh grout |
AS 1012.1 TfNSW TS 02800.01, TfNSW TS 02800.49 |
||
| Soils | Not applicable | Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling from a windrow |
AS 1289.1.2.1 TfNSW TS 02794.01 |
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.
2666
Print date
26 Jun 2026