National Association of Testing Authorities, Australia
Scope of Accreditation
Down to Earth Geotechnical and Environmental Pty Ltd
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 contaminants | Aggregates | Foreign material in recycled aggregate | Manual classification | RMS (NSW) Method T276 TfNSW TS 02799.51 | |
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, TfNSW TS 02799.02, TfNSW TS 02799.04 | |
Shape | Proportional calliper | AS 1141.14 | |||
Evaluation of geotechnical and civil construction material - Aggregate strength | Aggregates | 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 | Compressive strength | Core; Cylinder | AS 1012.9, AS 1012.14, TfNSW TS 02800.07, TfNSW TS 02800.11 | |
Compacted density - In situ; Mass per unit volume - Hardened concrete | Dimensions; Water displacement | AS 1012.12.1, AS 1012.12.2 | |||
Air content of freshly mixed concrete | Reduced air pressure | AS 1012.4.2 | |||
Evaluation of geotechnical and civil construction material - Concrete, grout and mortar specimen manufacture and curing | Concrete, grout and mortar | Specimen conditioning | Wet conditioning of hardened concrete core specimens | AS 1012.14 | |
Specimen manufacture and curing | Curing cylinder specimens in the laboratory; In situ manufacture and curing of cylindrical specimens | AS 1012.8.1, TfNSW TS 02800.05 | |||
Evaluation of geotechnical and civil construction material - Road pavement structural performance | Road pavements | Structural performance evaluation | Benkelman beam; Deflection monitoring | TfNSW TS 02795.02. TfNSW TS 02795.55 | |
Evaluation of geotechnical and civil construction material - Rock properties | Rocks | Point load strength index | Not applicable | AS 4133.4.1; RMS (NSW) Method T223 TfNSW TS 02799.21 | |
Evaluation of geotechnical and civil construction material - Soil classification | Soils | Linear shrinkage | Not applicable | AS 1289.3.4.1; RMS (NSW) Method T113; TfNSW T113 TfNSW TS 02795.08 | |
Moisture content | Correlation; Drying oven; Microwave oven | TfNSW TS 02795.39, TfNSW TS 02795.56, ASTM D2216 | |||
Plastic limit | Not applicable | AS 1289.3.2.1; TfNSW T109; TfNSW TS 02795.01,TfNSW TS 02795.05 | |||
Plasticity index | Casagrande | AS 1289.3.3.1; TfNSW T109; TfNSW TS 02795.01,TfNSW TS 02795.05 | |||
Sieve analysis | Not applicable | AS 1289.3.6.1; RMS (NSW) Method T106; TfNSW T106 TfNSW TS 02795.02 | |||
Moisture content | Drying oven | AS 1289.2.1.1; RMS (NSW) Method T120 TfNSW TS 02795.14 | |||
Liquid limit | Casagrande four point; Casagrande one point | AS 1289.3.1.1; AS 1289.3.1.2; TfNSW T108; TfNSW T105 TfNSW TS 02795.01,TfNSW TS 02795.04 | |||
Fine particles in road materials | Not applicable | AS 1141.19, RMS (NSW) Method T107 TfNSW TS 02795.03 | |||
Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Standard compactive effort | RMS (NSW) Method T130 TfNSW TS 02796.01 | |
Dry density/moisture content relationship | Modified compactive effort; Standard compactive effort | AS 1289.5.1.1; AS 1289.5.2.1; RMS (NSW) Method T111; RMS (NSW) Method T112 TfNSW TS 02795.06,TfNSW TS 02795.07 | |||
Maximum dry density; Minimum and maximum dry density | Not applicable | AS 1289.5.5.1, TfNSW TS 02795.26 | |||
Dry density/moisture content relationship | Three compaction point | RMS (NSW) Method T162 TfNSW TS 02795.24 | |||
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 | Compaction control | Hilf | AS 1289.5.7.1 | |
Relative compaction | Not applicable | RMS (NSW) Method T166 TfNSW TS 02795.28 | |||
Density index; Dry density ratio | Calculation | AS 1289.5.4.1, AS 1289.5.6.1 | |||
Moisture ratio | Measured | AS 1289.5.4.1 | |||
Density - In situ | Nuclear gauge | AS 1289.5.8.1; RMS (NSW) Method T173 TfNSW TS 02795.36 | |||
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; RMS (NSW) Method T161 TfNSW TS 02795.23 | |
Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens | AS 1289.6.1.1; RMS (NSW) Method T117 TfNSW TS 02795.11 | |
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 pre-treatment | Soils | Soil pre-treatment | Accelerated weathering pre-treatment | TfNSW TS02794.04 | |
Soil pre-treatment | Not applicable | AS 1289.1.1; TFNSW T102, TFNSW T105 TfNSW TS 02794.02,TfNSW TS 02795.01 | |||
Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Compressive strength | Uniaxial unconfined | RMS (NSW) Method T116, RMS (NSW) Method T131 TfNSW TS 02795.10,TfNSW TS 02796.02 | |
Evaluation of geotechnical and civil construction material - Soil thermal properties | Soils | Thermal conductivity | In situ measurement; Laboratory measurement | ASTM D5334 | |
Sample collection | Aggregates | Not applicable | Aggregate from a pavement; Aggregate from a stockpile; Aggregate from a truck; Aggregate from a windrow | AS 1141.3.1; RMS (NSW) Method T100 TfNSW TS 02794.01 | |
Concrete, grout and mortar | Not applicable | Fresh concrete from a mixer | AS 1012.1, TfNSW TS 02800.01 | ||
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; RMS (NSW) Method T100 TfNSW TS 02794.01 |
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Accreditation No.
19788
Site No.
23079
Print date
07 Dec 2024