| Type of Sample / Test | Test Description | Standard | HOKLAS Accreditation | IAS Accreditation |
| Soil | Sample preparation for phase I tests | GEOSPEC 3: 2001 Test 4 | Yes | - |
| (Phase I) | GEOSPEC 3: 2017 Test 4 |
| Soil | Moisture content by oven-drying | GEOSPEC 3: 2001 Test 5.1 | Yes | -
|
| (Phase I) | at 45°C ± 5°C | GEOSPEC 3: 2017 Test 5.1 |
| Soil | Moisture content by oven-drying | GEOSPEC 3: 2001 Test 5.2 | Yes | -
|
| (Phase I) | at 105°C ± 5°C | GEOSPEC 3: 2017 Test 5.2 |
| Soil | Comparative test for determination of moisture content by oven-drying | GEOSPEC 3: 2001 Test 5.3 | Yes | -
|
| (Phase I) | GEOSPEC 3: 2017 Test 5.3 |
| Soil | Liquid limit, plastic limit, and plasticity index | BS 1377-2: 1990 | Yes | -
|
| (Phase I) | GEOSPEC 3: 2001 Test 6.1 |
| GEOSPEC 3: 2017 Test 6.1 |
| Soil | Liquidity index | BS 1377-2: 1990 | Yes | -
|
| (Phase I) | GEOSPEC 3: 2001 Test 6.2 |
| GEOSPEC 3: 2017 Test 6.2 |
| Soil | Particle density by gas jar method | GEOSPEC 3: 2001 Test 7.1 | Yes | -
|
| (Phase I) | GEOSPEC 3: 2017 Test 7.1 |
| Soil | Particle density by small pyknometer method | GEOSPEC 3: 2001 Test 7.2 | Yes | -
|
| (Phase I) | GEOSPEC 3: 2017 Test 7.2 |
| Soil | Particle size distribution by wet sieving | GEOSPEC 3: 2001 Test 8.1 | Yes | -
|
| (Phase I) | (with dispersant) | GEOSPEC 3: 2017 Test 8.1 |
| Soil | Particle size distribution by wet sieving | GEOSPEC 3: 2001 Test 8.2 | Yes | -
|
| (Phase I) | (without dispersant) | GEOSPEC 3: 2017 Test 8.2 |
| Soil | Particle size distribution by hydrometer | GEOSPEC 3: 2001 Test 8.5 | Yes | -
|
| (Phase I) | (with dispersant) | GEOSPEC 3: 2017 Test 8.5 |
| Soil | Particle size distribution by hydrometer | GEOSPEC 3: 2001 Test 8.6 | Yes | -
|
| (Phase I) | (without dispersant) | GEOSPEC 3: 2017 Test 8.6 |
| Soil | Construction of a continuous particle size | GEOSPEC 3: 2001 Test 8.7 | Yes | -
|
| (Phase I) | distribution curve from the results of wet | GEOSPEC 3: 2017 Test 8.7
|
| sieving and sedimentation tests |
| Soil | Dry density/moisture content relationship of soils containing particles which are susceptible/ not susceptible to crushing (using a 1000cc mould and 2.5 kg rammer) | GEOSPEC 3 : 2001 Test 10.1 / 10.2 | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2017 Test 10.1 / 10.2 |
| Soil | Dry density/moisture content relationship of soils containing particles which are susceptible / not susceptible to crushing (using a CBR mould and 2.5 kg rammer) | GEOSPEC 3 : 2001 Test 10.3 / 10.4 | Yes | - |
| (Phase I) | GEOSPEC 3 : 2017 Test 10.3 / 10.4 |
| Soil | Dry density/moisture content relationship of soils containing particles which are susceptible / not susceptible to crushing (using a 1000cc mould and 4.5 kg rammer) | GEOSPEC 3 : 2001 Test 10.5 / 10.6 | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2017 Test 10.5 / 10.6 |
| Soil | Dry density/moisture content relationship of soils containing particles which are susceptible / not susceptible to crushing (using a CBR mould and 4.5 kg rammer) | GEOSPEC 3 : 2001 Test 10.7 / 10.8 | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2017 Test 10.7 / 10.8 |
| Soil | In-situ bulk density and in-situ dry density of soils by the sand replacement method suitable for fine and medium grained soils (with small pouring cylinder) | GEOSPEC 3 : 2001 Test 11.1 | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2017 Test 11.1 |
| Soil | In-situ bulk density and in-situ dry density of soils by the sand replacement method suitable for fine, medium, and coarse grained soils (with large pouring cylinder) | GEOSPEC 3 : 2001 Test 11.2 | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2017 Test 11.2 |
| Soil | Relative compaction of fill material | Buildings Department PNAP 55 (2005) Cl. 4 App. A | Yes | -
|
| (Phase I) | GEOSPEC 3 : 2001 Test 11.4 |
| GEOSPEC 3 : 2017 Test 11.4 |
| Soil | Particle size distribution of fill materials | General Specification for Civil Engineering Works (2006) | Yes | -
|
| (Phase I) | Vol. 1 Cl. 6.70 & 6.72(3) |
| Soil | Coefficient of uniformity | General Specification for Civil Engineering Works (2006) | Yes | - |
| (Phase I) | Vol. 1 Cl. 6.7 2(4) |
| Soil | California Bearing Ratio (CBR) | BS 1377: Part 4: 1990 Cl. 7 | Yes | - |
| (Phase I) | GEOSPEC 3: 2017 Test 12.1 |
| Rock | Dropping test of rock armour to determine the resistance to fracture | General Specfication for Civil Engineering Works (2006) Vol. 2 Cl. 21.97 (1) & (2) and Cl. 21.99 (2) | Yes | -
|
| General Specfication for Civil Engineering Works (2020) Vol. 2 Cl. 21.97 (1) & (2) and Cl. 21.99 (2) |
| Foundation | Plate load test (PLT) | BS 1377: Part 9: 1990 + Amd. No. 1 Cl. 4.1 (incremental loading ) excluding Cl. 4.1.6.1 | Yes | -
|
| Buildings Department Code of Practice for Foundations (Apr 2017) Cl. 8.2(2) excluding 8.2(2)(f) to (h) |
| Soil and Soft Rock | Determination of Thermal Conductivity of Soil and Soft Rock by Thermal Needle Probe | ASTM D5334-14 | No | -
|
| Soil (Phase I) | Methods of test for Soils for civil engineering purposes – Classification tests | BS 1377: 1975 Cl. 2.1.1 Test 1(A) | - | Yes
|
| Oven-drying method | BS 1377: Part 2: 1990 Cl. | - | Yes
|
| Soil (Phase I) | Methods of test for soils for civil engineering purposes - Classification tests Determination of particle density - gas jar method | BS 1377: Part 2: 1990 Cl. 8.2 | - | Yes
|
| Soil (Phase I) | Methods of test for soils for civil engineering purposes - Classification tests Determination of particle density - small pyknometer method | BS 1377: Part 2: 1990 Cl. 8.3 | - | Yes
|
| Soil (Phase I) | Methods of test for Soils for civil engineering purposes — Compaction-related tests Method using 2.5 kg rammer for soils with particles up to medium-gravel size Compaction procedure for soil particles not susceptible to crushing | BS 1377: Part 4: 1990 Cl. 3.3.4.1 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.3.4.2 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.4.4.1 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.4.4.2 | - | Yes
|
| Soil (Phase I) | Methods of test for Soils for civil engineering purposes — Compaction-related tests Method using 4.5 kg rammer for soils with particles up to medium-gravel size Compaction procedure for soil particles not susceptible to crushing | BS 1377: Part 4: 1990 Cl. 3.5.4.1 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.5.4.2 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.6.4.1 | - | Yes
|
BS 1377: Part 4: 1990 Cl. 3.6.4.2 | - | Yes
|
| Soil (Phase I) | Methods of test for Soils for civil engineering purposes — Compaction-related tests Determination of the California Bearing Ratio (CBR)
| BS 1377: Part 4: 1990 Cl. 7
| - | Yes
|
| Soil (Phase I) | Methods of test for Soils for civil engineering purposes — In-situ tests Determination of the in-situ California Bearing Ratio (CBR) | BS 1377: Part 9: 1990 Cl. 4.3 in conjunction with the following specification(s): BS 1924- 2: 1990 Cl. 4.6 | - | Yes
|
| Soil (Phase I) | Moisture content of fine grained and medium grained material by the microwave oven drying method | Hong Kong International Airport General Material &Workmanship Specification (GMWS) Issue No. 5b (2019) Vol. 1 – Civil & Structural Works App. A7.2 | - | Yes
|
