Douglas Partners Pty Ltd

Site

Darwin Laboratory

Accreditation No.

828

Site No.

10831

Date of Accreditation

07 Feb 1996

Address

Unit 2/14 Caryota Crt
Coconut Grove, NT 810
Australia

douglaspartners.com.au

Contact

Mr Nathan Kellaway P: +61 (08) 89486800

Availability

Services available to external clients

Douglas Partners Pty Ltd address map

Scope of Accreditation

Print scopes
Darwin Laboratory

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 Settling

AS 1141.33

Evaluation of geotechnical and civil construction material - Aggregate properties Aggregates Particle size distribution Sieve analysis

AS 1141.11.1

Shape Average least dimension; Flakiness; Proportional calliper AS 1141.14
AS 1141.15
AS 1141.20.1
AS 1141.20.2

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 Curing cylinder specimens in the laboratory

AS 1012.8.1

Specimen manufacture and curing 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 Penetration depth Ball embedment DOI (NT) Method NTTM 215.1
Layer thickness Not applicable

DOI (NT) Method NTTM 216.1

Evaluation of geotechnical and civil construction material - Soil classification Soils Sieve analysis Not applicable

AS 1289.3.6.1

DOI (NT) Method NTTM 217.1

Plastic limit Not applicable

AS 1289.3.2.1

Plasticity index Casagrande

AS 1289.3.3.1

Liquid limit Casagrande four point; Casagrande one point

AS 1289.3.1.1

AS 1289.3.1.2

Moisture content Drying oven

AS 1289.2.1.1

Linear shrinkage Not applicable

AS 1289.3.4.1

Evaluation of geotechnical and civil construction material - Soil compaction characteristics Soils Dry density/moisture content relationship Modified compactive effort

AS 1289.5.2.1

DOI (NT) Method NTTM 201.2

DOI (NT) Method NTTM 201.3

Dry density/moisture content relationship Standard compactive effort

AS 1289.5.1.1

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 Field compaction for conformance Calculation

DOI (NT) NTCP 102.1

Compaction control Hilf

AS 1289.5.7.1

Density - In situ Nuclear gauge

AS 1289.5.8.1

Moisture ratio Measured

AS 1289.5.4.1

Dry density ratio Calculation

AS 1289.5.4.1

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 pavement; Aggregate from a stockpile; Aggregate from a truck

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 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

Not applicable Site selection - Random stratified sampling

AS 1289.1.4.2

DOI (NT) Method NTCP 103.1

Not applicable Site selection - Random sampling

AS 1289.1.4.1

DOI (NT) Method NTCP 103.1

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.

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