Two geotechnical bores of over 50 metres were required. Location was particularly tricky, with one site being 80 metres above the road, while the other was adjacent to the very busy Kawarau Gorge Road.
Drilling and installation of anchors for a retaining wall. The project required the drilling, installation, grouting, testing, lock off and post grouting of 30 anchors of varing size, to anchor a replacement wall.
Drilling and casing through compacted Fill into bedrock using a 300mm Tubex casing advancement system, installation of a bed of cathodic anodes to assist with the long term protection of the new pipeline.