PROJECT PROFILE Summary A new manhole chamber and section of 900mm diameter sewer pipeline, 4000mm below the ground had been constructed. Due to ground conditions and siesmic events a section of the pipeline was outside design grade. Mainmark rectified the settlement, with JOG integrated computer grouting, to the required level. This was the first JOG project of this kind to be undertaken anywhere in the world. Objectives The asset owner, C

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