Geotechnical engineers across Auckland
Auckland's ground changes from one side of the region to the other. Choose your area to see the geology, the hazards we look out for and the work we usually do there.
North Shore
Our home ground. Waitematā sandstone and siltstone, expansive clays and coastal cliffs.
East Coast Bays Formation (Waitematā Group)
Takapuna & Devonport
Volcanic rock from Lake Pupuke, Waitematā sandstone and a lot of coastline.
Pupuke volcano basalt
Albany & North Harbour
Large cut-and-fill subdivisions, deep weathering and steep gullies.
East Coast Bays Formation
Hibiscus Coast
Fast-growing new suburbs, coastal cliffs and estuary soils.
Waitematā Group sandstone and siltstone
Rodney & Warkworth
Some of the most slip-prone ground in the region, and a large share of our recent work.
Northland Allochthon
West Auckland
Steep bush sections, deep weathering and old volcanic rock in the Waitākere Ranges.
Waitākere Group
Central Auckland
Volcanic cones, basalt lava flows, lava caves and reclaimed waterfront.
Auckland Volcanic Field
East Auckland
Coastal cliffs, estuary margins and large newer subdivisions.
East Coast Bays Formation
South Auckland
Soft ground, high groundwater and Auckland's biggest growth areas.
Tauranga Group alluvium (Puketoka Formation)
Franklin
Volcanic soils around Pukekohe and Bombay, soft ground in the valleys, and a long Manukau Harbour coastline.
South Auckland Volcanic FieldWaiheke & the Gulf Islands
Hard greywacke rock, steep coastal sites and logistics that need planning.
Waipapa Terrane greywackeSend us your site address. We will recommend the right investigation.
You get a clear, fixed scope and fee up front. Prefer to talk? Call 09 218 6915 or email info@gibbritchie.co.nz.
