National Association of Testing Authorities, Australia
Scope of Accreditation
C & T Geotechnical South West Pty Ltd
Site
C & T Geotechnical South West
Accreditation No.
20109
Site No.
22402
Date of Accreditation
21 Aug 2014
Contact
Availability
Services 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 abrasion | Aggregates | Abrasion resistance | Los Angeles machine value; Resistance to wear by attrition |
AS 1141.23, AS 1141.27 |
|
| Evaluation of geotechnical and civil construction material - Aggregate contaminants | Aggregates | Clay and fine silt | Settling |
AS 1141.33 |
|
| Foreign material in recycled aggregate | Manual classification |
RC (Vic) Method 372.04 |
|||
| Weak particles contaminants | Sieve analysis |
AS 1141.32 |
|||
| Light particles contaminants | Segregation by density |
AS 1141.31 |
|||
| Organic impurities | Colour test | AS 1141.34 | |||
| Coarse aggregate quality | Visual comparison |
AS 1141.30.1 RC (Vic) Method 372.01 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis; Sieve analysis of material finer than 75 µm |
AS 1141.11.1 AS 1141.12 |
|
| Shape | Proportional calliper |
AS 1141.14 |
|||
| Particle density of coarse aggregate | Weighing-in-water |
AS 1141.6.1 |
|||
| Bulk density | Compacted |
AS 1141.4 |
|||
| Bulk density | Uncompacted |
AS 1141.4 |
|||
| Shape | Flakiness |
AS 1141.15, RC (Vic) Method 302.11 |
|||
| Particle density of fine aggregate | Weighing-in-water |
AS 1141.5 |
|||
| Shape | Average least dimension |
AS 1141.20.2 AS 1141.20.3 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on coarse aggregate |
AS 1141.25.2 |
|
| Soundness | Degradation factor on fine aggregate |
AS 1141.25.3, RC (Vic) Method 370.05 |
|||
| Soundness | Exposure to sodium sulfate solution |
AS 1141.24 |
|||
| Soundness | Degradation factor on source rock |
AS 1141.25.1 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate stabilisation | Aggregates | Cement content | Heat of neutralisation | AS 5101.3.3 | |
| Unconfined compressive strength | Not applicable |
AS 5101.4 |
|||
| Evaluation of geotechnical and civil construction material - Aggregate strength | Aggregates | Wet/dry strength variation | Not applicable |
AS 1141.22 |
|
| Aggregate crushing value | Not applicable |
AS 1141.21 |
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| 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 | In situ manufacture and curing of cylindrical specimens |
AS 1012.8.1 |
|
| Specimen manufacture and curing | Curing cylinder specimens in the laboratory |
AS 1012.8.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil chemical properties | Soils | Organic matter | Titration | AS 1289.4.1.1 | |
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Plasticity index | Casagrande |
AS 1289.3.3.1 RC (Vic) Method 326.01 |
|
| Sieve analysis | Not applicable |
AS 1289.3.6.1 |
|||
| Plastic limit | Not applicable |
AS 1289.3.2.1 |
|||
| Moisture content | Drying oven |
AS 1289.2.1.1 |
|||
| Description, identification and classification | Not applicable |
AS 1726 Tables 9 and 10 (Laboratory classification only) |
|||
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 |
|||
| Particle density | Gravimetric | AS 1289.3.5.1 | |||
| Moisture content | Hot plate |
AS 1289.2.1.6 |
|||
| Liquid limit | Casagrande one point |
AS 1289.3.1.1 AS 1289.3.1.2 |
|||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Minimum and maximum dry density | Not applicable | AS 1289.5.5.1 | |
| Dry density/moisture content relationship | Modified compactive effort |
AS 1289.5.2.1 |
|||
| Assignment of optimum moisture content/maximum dry density (OMC/MDD) | Not applicable |
AS 1289.5.4.2 |
|||
| Dry density/moisture content relationship | Standard compactive effort |
AS 1289.5.1.1 |
|||
| 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 | Density - In situ | Nuclear gauge |
AS 1289.5.8.1 |
|
| Characteristic field density values | Not applicable |
RC (Vic) Method 316.00 |
|||
| Density index | Not applicable | AS 1289.5.6.1 | |||
| Dry density ratio | Calculation |
AS 1289.5.4.1 |
|||
| Moisture ratio assessment of dry back | Not applicable |
RC (Vic) Method 316.14 |
|||
| Compaction control | Hilf |
AS 1289.5.7.1 |
|||
| Density ratio - density decay correction factor | Calculation | RC (Vic) Method 330.04 | |||
| Evaluation of geotechnical and civil construction material - Soil fine particles | Soils | Fine particle analysis | Hydrometer | AS 1289.3.6.3 | |
| Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration - In situ | Dynamic cone |
AS 1289.6.3.2 |
|
| Penetration depth | Ball embedment |
Austroads Method AGPT/T251 |
|||
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Assignment of CBR and percent swell; Remoulded specimens |
AS 1289.6.1.1, RC (Vic) Method 324.01 |
|
| Evaluation of geotechnical and civil construction material - Soil natural contaminants | Soils | Acidity | pH | AS 1289.4.3.1 | |
| Evaluation of geotechnical and civil construction material - Soil permeability | Soils | Permeability | Constant head for a remoulded specimen; Falling head for a remoulded specimen |
AS 1289 6.7.1, AS 1289 6.7.2 |
|
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable |
AS 1289.1.1 |
|
| Soil pre-treatment | Repeated compaction pre-treatment |
RC (Vic) Method 301.05 |
|||
| Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Density decay correction factor for granular materials | Not applicable |
RC (Vic) Method 330.03 |
|
| Laboratory stabilisation of soil | Lime stabilisation |
RC (Vic) Method 301.03 RC (Vic) Method 301.06 |
|||
| Lime demand | Not applicable | RC (Vic) Method 131.01 | |||
| Sample collection | Aggregates | Not applicable | Aggregate from a bin; Aggregate from a conveyor belt; Aggregate from a pavement; Aggregate from a stockpile; Aggregate from a truck; Aggregate from a windrow |
AS 1141.3.1 |
|
| Asphalts | Not applicable | Extraction of an asphalt core - Wet technique |
AS 2891.1.2 |
||
| 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 from an open-drive; Disturbed soil sampling in situ |
AS 1289.1.2.1 |
||
| Not applicable | Site selection - Random stratified sampling |
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.
20109
Site No.
22402
Print date
21 Jun 2026