Technical Services Test List


Holcim Technical Services is able to conduct the following tests for customers.

Tests accredited by IANZ

Holcim Technical Services Construction Materials Laboratory is IANZ accredited for the tests lists below.


The following tests in accordance with NZS 3111:1986
Test 5: Methods for sampling aggregate
Test 6: Sieve analysis and fineness modulus
Test 7: Moisture content of aggregate by drying
Test 9: Lightweight particles in aggregate
Test 10: Unit mass and voids content
Test 12: Density & absorption of coarse aggregate
Test 13: Cleanness of coarse aggregate
Test 15: Weathering resistance of coarse aggregate
Test 16: Density & absorption of sand
Test 18: Sand equivalent value
Test 19: Voids content, flow time and percentage oversize material in sand

The following tests in accordance with NZS 4407:1991, Part 2
Methods of sampling road aggregates

The following tests in accordance with NZS 4407:1991, Part 3
Test 3.1: Water content of aggregate
Test 3.2: Cone penetration limit
Test 3.3: Plastic limit
Test 3.4: Plasticity index
Test 3.5: Clay index
Test 3.6: Sand equivalent
Test 3.7.2: Solid density of aggregate particles - Immersion in water method for coarse aggregates
Test 3.8.1: Particle size distribution - Preferred method by wet sieving
Test 3.8.2: Particle size distribution by the subsidiary method of dry sieving
Test 3.9: Cleanness value of coarse aggregate
Test 3.10: Crushing resistance of coarse aggregates under a specified load
Test 3.11: Weathering quality index of coarse aggregate
Test 3.13: Size and shape of aggregate particles
Test 3.14: Broken faces content of aggregate

The following tests in accordance with AS 1141:1995
Test 15: The flakiness index
Test 32: Weak particles (including clay lumps, soft & friable) in coarse aggregate
Test 35: Sugar


The following tests in accordance with NZS 4402:1986
NZS 4402 2.2: Liquid limit
NZS 4402 2.3: Plastic limit
NZS 4402 2.4: Plasticity index


The following tests in accordance with NZS 3112:1986, Part 1
Test 1.3: Sampling freshly mixed concrete
Test 1.4: Density (unit mass), yield, cement content, and air content (gravimetric)
Test 1.5: Slump of concrete
Test 1.9: Air content of fresh concrete by the application of air pressure

The following tests in accordance with NZS 3112:1986, Part 2
Test 2.3: Moulding and curing of concrete test cylinders
Test Capping of cylindrical concrete specimens by the rubber capping method
Test 2.6: Compressive strength of moulded concrete cylinders

The following tests in accordance with NZS 3112:1986, Part 3
Test 5 Determination of the density of hardened concrete specimens

Laboratory Operations by Seconded Personnel

  • Sampling

    • of aggregates
    • of fresh concrete


  • Field tests on fresh concrete

The number and type of tests for which the laboratory is accredited is constantly being reviewed. Please contact the laboratory for latest accreditation status.

Non Accredited Tests

Soil and Aggregates

  • NZS 4402 2.5: Cone penetration limit
  • NZS 4402 4.1.1: NZ standard hammer compaction test
  • NZS 4402 4.1.2: NZ heavy hammer compaction test
  • NZS 4402 4.1.3: Vibrating hammer compaction test
  • NZS 4402 3.3.1: pH value (electrometric)
  • AS1141.16: Angularity number
  • AS1141.22: Wet/dry strength variation
  • AS114125.2: Degradation factor - Coarse Aggregate
  • AS114125.3: Degradation factor - Fine Aggregate


  • AS1012.21: Water absorption and apparent volume of permeable voids in concrete
  • AS4058 App F: Absorption of concrete pipes
  • AS4456.14 Absorption of masonry units, segmental pavers and flags
  • In house: Specific gravity of water used in concrete mix
  • NZS3112 Part 1 Sec: Determination of the bleeding of the concrete
  • RTA T276 Foreign materials of recycled crushed concrete


  • 2130A: Turbidity
  • 2540D: Total Suspended Solid Dried at 103-105oC
  • ISO/DIS 4222.2: Air Quality

    • Atmospheric dustfall


  • NZS6801:1999: Accoustics - Environmental Sound
  • In house: pH value of water
  • In house: Blasting vibration monitoring