CAST Laboratories is an Accredited Inspection Body offering Site Investigation services accredited under the Singapore Accreditation Council (SAC).

Our Site Investigation Unit is able to conduct site tests and provide various geotechnical and structural instrumentation services to study geotechnical behaviour and structural movements which are often associated with projects involving foundation, deep excavation, and underground tunnels, on-ground Mass Rapid Transit (MRT) Systems, expressways and flyovers.

We are also able to carry out laboratory testing of undisturbed samples, prepare various analysis and reports, as well as engineering recommendation for foundation analysis.

Our Site Investigation tests include:


Stationary Piston Sampler

Standard Penetration Test

Field Permeability Test

Open Thin Wall Sampler

Vane Shear Test

Dynamic Probing Test

Mazier Sampler

Pressuremeter Test


Rock Core Barrel

Field Permeability Test

For more details on our accredited Site Investigation tests, you may refer to our schedule.