National Association of Testing Authorities, Australia
Scope of Accreditation
HiQA Geotechnical
Site
HiQA Geotechnical – Alice Springs Laboratory
Accreditation No.
13121
Site No.
18650
Date of Accreditation
25 Sep 2009
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 | Clay and fine silt; Organic impurities | Colour test; Settling | AS 1141.33, AS 1141.34 | |
| Evaluation of geotechnical and civil construction material - Aggregate properties | Aggregates | Shape | Average least dimension; Flakiness; Proportional calliper |
AS 1141.14, AS 1141.15, AS 1141.20.1, AS 1141.20.2, AS 1141.20.3 |
|
| Particle size distribution | Sieve analysis |
AS 1141.11.1 |
|||
| 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 | Cube; Cylinder |
AS 1012.9 |
|
| 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 manufacture and curing | Curing cylinder specimens in the laboratory; In situ manufacture and curing of cylindrical specimens |
AS 1012.8.1 |
|
| Evaluation of geotechnical and civil construction material - Road pavement surfacing characteristics | Road pavements | Layer thickness; Penetration depth | Ball embedment |
DOI (NT) Method NTTM 215.1, DOI (NT) Method NTTM 216.1 |
|
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Moisture content | Drying oven |
AS 1289.2.1.1 |
|
| Cone plasticity index; Liquid limit; Plastic limit; Plasticity index | Casagrande four point; Casagrande one point |
AS 1289.3.1.1. AS 1289.3.1.2, AS 1289.3.2.1, AS 1289.3.3.1 |
|||
| Sieve analysis | Not applicable |
AS 1289.3.6.1; DPTI (SA) MAT-TP134 |
|||
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Assignment of optimum moisture content/maximum dry density (OMC/MDD); Dry density/moisture content relationship | Modified compactive effort; Standard compactive effort |
AS 1289.5.1.1, AS 1289.5.2.1, AS 1289.5.4.2. |
|
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Characteristic field density values; Dry density ratio; Field compaction for conformance; Field moisture content; Moisture ratio | Calculation; Nuclear gauge |
AS 1289.5.4.1, AS 1289.5.8.1, DOI (NT) NTCP 102.1 |
|
| 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 |
|
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable |
AS 1289.1.1 |
|
| Sample collection | Aggregates | Not applicable | Aggregate from a stockpile |
AS 1141.3.1 |
|
| 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 pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling from a windrow; Disturbed soil sampling in situ; Undisturbed soil sampling by open-drive sampler |
AS 1289.1.2.1 |
||
| Not applicable | Site selection - Random stratified sampling |
DOI (NT) Method NTCP 103.1 |
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Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
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Accreditation No.
13121
Site No.
18650
Print date
25 Aug 2026