Douglas Partners Pty Ltd

Site

North West Sydney Laboratory

Accreditation No.

828

Site No.

26133

Date of Accreditation

07 Sep 2026

Address

Unit 2, 593 Withers Road
Rouse Hill, NSW 2155
Australia

douglaspartners.com.au

Contact

Mr Simon Rosam P: +61 0437536152

Availability

Services available to external clients

Douglas Partners Pty Ltd address map

Scope of Accreditation

Print scopes
North West Sydney Laboratory

ISO/IEC 17025 (2017)

Infrastructure and Asset Integrity

Service Product Determinant Technique Procedure Limitations
Evaluation of geotechnical and civil construction material - Soil classification Soils Moisture content Drying oven

AS 1289.2.1.1
Evaluation of geotechnical and civil construction material - Soil compaction characteristics Soils 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
Dry density/moisture content relationship Modified compactive effort

AS 1289.5.2.1
Evaluation of geotechnical and civil construction material - Soil field density Soils Moisture ratio Measured

AS 1289.5.4.1
Dry density ratio Calculation

AS 1289.5.4.1
Density - In situ Nuclear gauge

AS 1289.5.8.1
Compaction control Hilf

AS 1289.5.7.1
Evaluation of geotechnical and civil construction material - Soil sample preparation Soils Preparation of disturbed samples Not applicable AS 1289.1.1
Sample collection Soils Not applicable Disturbed sampling from earthwork; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile

AS 1289.1.2.1

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 (SoA).

Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.

The Product column may also describe an Item or Material.

The Limitations column may also describe the Range.