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Civil Geotechnical Services                        

NATA ACREDITATION      

Civil Geotechnical Services has been NATA  registered since 1994. We are currently accredited for the following test methods.                                Accreditation_No: 9909                                               

 2.16 Aggregates                                                                       

    .02 Sampling of aggregates                                                            

AS 1141 3.1                                                  
Sampling from a truck, stockpile, pavement  

   .01 Sampling

AS 1289 1.2.1, 1.3.1
Undisturbed sampling using open-drive sampler; disturbed sampling from a stockpile, earthwork, pavement, in-situ;

   .02 Site selection

RC (Vic) Method 316.10
Site selection by stratified random number

   .03 Sample preparation

AS 1289 1.1
RC (Vic) Method 301.05
Sample preparation; pretreatment by repeated compaction

   .11 Classification tests

AS 1289 2.1.1, 3.1.1, 3.1.2, 3.2.1, 3.3.1, 3.4.1, 3.5.1, 3.6.1, 3.6.3, 3.8.1, 3.8.2
AS 1726 Appendix A; Section A2 (Laboratory tests only)
Moisture content; liquid limit; plastic limit; plasticity index; linear shrinkage; particle density; sieve analysis; hydrometer analysis; Emerson class number; percent dispersion; description, identification and classification of soils

   .32 Compaction tests

AS 1289 5.1.1, 5.2.1, 5.4.2
Standard and modified compaction; assignment of OMC and MDD

   .35 Field density tests

AS 1289 5.4.1, 5.7.1, 5.8.1
RC (Vic) Method 316.00
Dry density ratio, moisture variation and moisture ratio; compaction control - Hilf Method; field moisture content and field density using a nuclear gauge

   .42 Bearing strength tests - laboratory

AS 1289 6.1.1
Bearing ratio (remoulded specimens, CBR's 0.5% to 350%)

   .43 Strength tests - laboratory

AS 1289 6.4.1, 6.4.2
Compressive strength (undrained triaxial compression with and without measurement of pore water pressure); cohesion

   .45 Consolidation tests

AS 1289 6.6.1
Consolidation (one dimensional)

   .46 Permeability tests

AS 1289 6.7.3
Permeability (triaxial)

   .47 Strength and penetration tests - field

AS 1289 6.3.2
RC (Vic) Method 402.01
Penetration (dynamic-cone)

   .51 Reactivity tests

AS 1289 7.1.1
Shrink-swell index

   .61 Soil stabilization preparation methods

RC (Vic) Methods 301.03 (field samples only), 301.06
Preparation of lime and cement stabilised materials