Geotechnical investigations at the site of the slip on State Highway 25A were completed on April 4, Waka Kotahi confirmed. Fourteen boreholes were drilled and five test pits dug. Material found above and in the slip was variable, with rock was discovered quickly in some areas, and other parts consisting of wet and soft soil.
Waka Kotahi is planning to make a decision on a permanent fix in May.
Work will continue at the site in the meantime, with drainage material being installed to protect the area.
