Central Alliance

Central Alliance claims that its latest technology for continuous surface wave (CSW) testing offers a detailed, economic method of ground stiffness profiling, without the requirement for intrusive works.

A new modular rig from Central Alliance is said to opens access to areas that would otherwise be difficult to reach with conventional equipment. The firm says it has designed and built an innovative modular rig for use on difficult access areas. The modular rig was constructed in-house by Central Alliance’s development department, and can complete all the operations possible with a tracked rig including Standard Penetration Tests (SPT) and Cone Penetration Tests (CPT) at 1m intervals, U38, U70, U100 and U

Central Alliance, a pre-construction services company based in northern England, has set up a geotechnical division called Geo Construction. The company’s investment in the new division includes acquisition of specialist drilling contractor Electro Install that focuses on geotechnical and slope climbing proficiencies. Electro Install’s rigs have full body and mast rotation, enabling Central Alliance to carry out ground investigation in the same orientation and location as proposed remedial works such as