National Association of Testing Authorities, Australia
Scope of Accreditation
Douglas Partners Pty Ltd
Site
Townsville Laboratory
Accreditation No.
828
Site No.
1736
Date of Accreditation
10 Jun 1983
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 binder adhesion | Aggregates | Degree of precoating | Not applicable | MR (Qld) Method Q216 | |
Evaluation of geotechnical and civil construction material - Aggregate contaminants | Aggregates | Weak particles contaminants | Sieve analysis | AS 1141.32 | |
Clay and fine silt | Settling | AS 1141.33 | |||
Organic impurities | Colour test | AS 1141.34 | |||
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 | |
Particle density of coarse aggregate; Water absorption of coarse aggregate | Weighing-in-water | AS 1141.6.1 | |||
Shape | Proportional calliper | AS 1141.14 | |||
Shape | Average least dimension | AS 1141.20.1, AS 1141.20.3 | |||
Shape | Crushed faces | AS 1141.18 | |||
Particle density of fine aggregate; Water absorption of fine aggregate | Weighing-in-water | AS 1141.5 | |||
Bulk density | Compacted; Uncompacted | AS 1141.4 | |||
Shape | Flakiness | AS 1141.15, MR (Qld) Method Q201 | |||
Evaluation of geotechnical and civil construction material - Aggregate soundness | Aggregates | Soundness | Degradation factor on coarse aggregate; Degradation factor on source rock | AS 1141.25.1, AS 1141.25.2, MR (Qld) Method Q208B | |
Soundness | Exposure to sodium sulfate solution | AS 1141.24 | |||
Evaluation of geotechnical and civil construction material - Aggregate strength | Aggregates | Aggregate crushing value; Wet/dry strength variation | Not applicable | AS 1141.21, 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 | Flexural strength | Modulus of rupture | AS 1012.11 | |
Mass per unit volume - Hardened concrete | Dimensions | AS 1012.12.1 | |||
Compressive strength | Core; Cube; Cylinder | AS 1012.9, AS 1012.14 | |||
Mass per unit volume - Hardened concrete | Water displacement | AS 1012.12.2 | |||
Mass per unit volume - Fresh concrete | In situ measurement using fixed volume measure | AS 1012.5 | |||
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 manufacture and curing | Curing cylinder specimens in the laboratory; In situ manufacture and curing of cylindrical specimens; Manufacture and curing of cylindrical specimens in the laboratory | AS 1012.8.1 | |
Specimen conditioning | Dry conditioning of hardened concrete core specimens; Wet conditioning of hardened concrete core specimens | AS 1012.14 | |||
Specimen manufacture and curing | Manufacture and curing of flexural strength specimens in the laboratory | AS 1012.8.2 | |||
Evaluation of geotechnical and civil construction material - Soil classification | Soils | Liquid limit | Cone four point; Cone one point | AS 1289.3.9.1, AS 1289.3.9.2, MR (Qld) Method Q104A, MR (Qld) Method Q104D | |
Plasticity index | Cone | AS 1289.3.3.2, MR (Qld) Method Q105 | |||
Liquid limit | Casagrande four point; Casagrande one point | AS 1289.3.1.1, AS 1289.3.1.2 | |||
Plasticity index | Casagrande | AS 1289.3.3.1 | |||
Linear shrinkage | Not applicable | AS 1289.3.4.1, MR (Qld) Method Q106 | |||
Plastic limit | Not applicable | AS 1289.3.2.1, MR (Qld) Method Q105 | |||
Sieve analysis | Not applicable | AS 1289.3.6.1, MR (Qld) Method Q103A | |||
Moisture content | Drying oven; Relative moisture content | AS 1289.2.1.1, MR (Qld) Method Q250 | |||
Weighted plasticity index | Not applicable | MR (Qld) Method Q252 | |||
Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Oversize material | Oversize material treatment | MR (Qld) Method Q143 | |
Dry density/moisture content relationship | Standard compactive effort | AS 1289.5.1.1, MR (Qld) Method Q142A | |||
Dry density/moisture content relationship | Modified compactive effort | AS 1289.5.2.1, MR (Qld) Method Q142B | |||
Minimum and maximum dry density | Not applicable | AS 1289.5.5.1 | |||
Compaction to nominated levels | Not applicable | MR (Qld) Method Q145A | |||
Assignment of optimum moisture content/maximum dry density (OMC/MDD) | Not applicable | AS 1289.5.4.2, MR (Qld) Method Q144A | |||
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 | Characteristic field density values | Not applicable | MR (Qld) Method Q020 | |
Density - In situ | Nuclear gauge | AS 1289 5.8.1, MR (Qld) Method Q141A, MR (Qld) Method NGTM N01, MR (Qld) Method NGTM N03 | |||
Density - In situ | Sand-cone | AS 1289 5.3.1, MR (Qld) Method Q141B | |||
Moisture ratio | Measured | AS 1289 5.4.1 | |||
Relative compaction | Not applicable | MR (Qld) Method Q140A | |||
Density index | Not applicable | AS 1289.5.6.1 | |||
Compaction control | Hilf | AS 1289 5.7.1 | |||
Field moisture content | Nuclear gauge | AS 1289 5.8.1, MR (Qld) Method Q141A, MR (Qld) Method NGTM N01, MR (Qld) Method NGTM N02 | |||
Dry density ratio | Calculation | AS 1289 5.4.1 | |||
Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration in situ | Dynamic cone | AS 1289.6.3.2 | |
Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens | AS 1289.6.1.1, MR (Qld) Method Q113A, MR (Qld) Method Q113B, MR (Qld) Method Q113C | |
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 | Not applicable | AS 1289.1.1, MR (Qld) Method Q101 | |
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 | Lime demand | Not applicable | MR (Qld) Method Q133 | |
Sample preparation | UCS (unconfined compression strength) specimens - Field mix; UCS (unconfined compression strength) specimens - Laboratory mix | MR (Qld) Method Q251A, MR (Qld) Method Q251B | |||
Compressive strength | Uniaxial unconfined | MR (Qld) Method Q115 | |||
Curing of moulded specimens | Not applicable | MR (Qld) Method Q135B | |||
Sample preparation | Cement stabilisation; Lime stabilisation | MR (Qld) Method Q135A | |||
Cement content | Heat of neutralisation | MR (Qld) Method Q134 | |||
Sample collection | Aggregates | Not applicable | Aggregate from a pavement; Aggregate from a stockpile | AS 1141.3.1, MR (Qld) Method Q060 | |
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 sampling; Site selection - Random stratified sampling; Site selection by spot sampling | AS 1289.1.4.1, AS 1289.1.4.2, MR (Qld) Method Q050, MR (Qld) Method Q061 | ||
Not applicable | Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling in situ | AS 1289.1.2.1 |
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Accreditation No.
828
Site No.
1736
Print date
21 Dec 2024