
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 | |
Coarse aggregate quality | Visual comparison | AS 1141.30.1 RC (Vic) Method 372.01 | |||
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 | |||
Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Bulk density | Uncompacted | AS 1141.4 | |
Bulk density | Compacted | AS 1141.4 | |||
Particle size distribution | Sieve analysis; Sieve analysis of material finer than 75 µm | AS 1141.11.1 AS 1141.12 | |||
Particle density of fine aggregate | Weighing-in-water | AS 1141.5 | |||
Particle density of coarse aggregate | Weighing-in-water | AS 1141.6.1 | |||
Shape | Proportional calliper | AS 1141.14 | |||
Shape | Average least dimension | AS 1141.20.2 AS 1141.20.3 | |||
Shape | Flakiness | AS 1141.15, RC (Vic) Method 302.11 | |||
Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on coarse aggregate | AS 1141.25.2 | |
Soundness | Exposure to sodium sulfate solution | AS 1141.24 | |||
Soundness | Degradation factor on fine aggregate | AS 1141.25.3, RC (Vic) Method 370.05 | |||
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 | Aggregate crushing value | Not applicable | AS 1141.21 | |
Wet/dry strength variation | Not applicable | AS 1141.22 | |||
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 classification | Soils | Description, identification and classification | Not applicable | AS 1726 Tables 9 and 10 (Laboratory classification only) | |
Plastic limit | Not applicable | AS 1289.3.2.1 | |||
Plasticity index | Casagrande | AS 1289.3.3.1 RC (Vic) Method 326.01 | |||
Moisture content | Hot plate | AS 1289.2.1.6 | |||
Sieve analysis | Not applicable | AS 1289.3.6.1 | |||
Moisture content | Drying oven | AS 1289.2.1.1 | |||
Liquid limit | Casagrande one point | AS 1289.3.1.1 AS 1289.3.1.2 | |||
Linear shrinkage | Not applicable | AS 1289.3.4.1 | |||
Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Minimum and maximum dry density | Not applicable | AS 1289.5.5.1 | |
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 | |||
Dry density/moisture content relationship | Modified compactive effort | AS 1289.5.2.1 | |||
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 | Moisture ratio assessment of dry back | Not applicable | RC (Vic) Method 316.14 | |
Characteristic field density values | Not applicable | RC (Vic) Method 316.00 | |||
Compaction control | Hilf | AS 1289.5.7.1 | |||
Density index | Not applicable | AS 1289.5.6.1 | |||
Dry density ratio | Calculation | AS 1289.5.4.1 | |||
Density ratio - density decay correction factor | Calculation | RC (Vic) Method 330.04 | |||
Density - In situ | Nuclear gauge | AS 1289.5.8.1 | |||
Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration depth | Ball embedment | Austroads Method AGPT/T251 | |
Penetration in situ | Dynamic cone | AS 1289.6.3.2 | |||
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 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 | |||
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 | Site selection - Random stratified sampling | RC (Vic) Method 316.10 | ||
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 |
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Accreditation No.
20109
Site No.
22402
Print date
07 Jul 2025