Type of Sample / Test | Test Description | Standard | HOKLAS Accreditation |
Concrete | Sampling fresh concrete on site | CS1 : 2010 Section 1 + Amd No. 1/2017 Section 1 | Yes |
Concrete | Slump of fresh concrete | CS1 : 2010 Section 2 Part I + Amd. No. 1 /2017 Section 2 Part I | Yes |
Concrete | Flow table test | CS1 : 2010 Section 2 Part IV | Yes |
Concrete | Slump flow test | CS1 : 2010 Section 2 Part V | Yes |
Concrete | Stiffening time | CS1 : 2010 Section 3 | Yes |
Concrete | Density of compacted fresh concrete | CS1 : 2010 Section 5 | Yes |
Concrete | Air content of fresh concrete | CS1 : 2010 Section 6 | Yes |
Concrete | Making test cubes from fresh concrete | CS1 : 2010 Section 7 | Yes |
Concrete | Time of setting of concrete mixtures by penetration resistance | ASTM C403/403M-90 | Yes |
ASTM C403/403M-90 with modifications |
ASTM C403/403M-16 |
ASTM C403/403M-16 with modifications |
Concrete | Bleeding test | ASTM C232-99 Method A | Yes |
ASTM C232-09 Method A |
ASTM C232-09 Method A with modification |
Concrete | Temperature monitoring of fresh concrete | BS 5328 : Part 4 : 1990 Cl. 3.4(b) | Yes |
Concrete | Temperature rise evaluation test on concrete | In-house method | Yes |
(TRET Block) |
Concrete | Temperature monitoring of concrete structure | In-house method | Yes |
(heat of hydration) |
Concrete | Crack survey | Hong Kong Housing Authority Materials Testing Services (2022/2024) for Maintenance & Building Materials Specification Part D Cl. 4.3.14 | Yes |
Concrete | Obtaining core samples | CS1 : 2010 Section 15 | Yes |
Concrete | Obtaining drilling powder samples | Hong Kong Housing Authority Materials Testing Services (2022/2024) for Maintenance & Building Materials Specification Part D Cl. 6.4 | Yes |
Concrete | Removal of concrete cover to expose reinforcement | Hong Kong Housing Authority Materials Testing Services (2022/2024) for Maintenance & Building Materials Specification Part D Cl. 4 1 | Yes |
Grout | Making of grout cubes | CS1 : 2010 Section 7 with modifications | Yes |
Grout | Flow test of grout by flow cone | ASTM C 939-97 | Yes |
ASTM C 939-02 |
Grout | Expansion and bleeding of freshly mixed grout | ASTM C94-98a | Yes |
ASTM C940-98a with modifications |
ASTM C940-16 |
ASTM C940-16 with modifications |
Grout | Bleeding and volume change by wick-induced test | BS EN 445:2007 Cl.4.5 | Yes |
Grout | Fluidity test by cone method | BS EN 445: 2007 Cl.4.3.1 | Yes |