Bulk earthworks on a development site
Albany & North Harbour · Auckland

Geotechnical engineers for Albany & North Harbour

Large cut-and-fill subdivisions, deep weathering and steep gullies.

Albany and the North Harbour area have been heavily earthworked to create today's subdivisions and business parks. The first question on many sites is what was done before: whether the fill under a lot was placed and tested properly, and where the original gullies were.

Historic aerial photos and the original earthworks completion reports often answer that before any drilling starts.

Ground conditions in Albany & North Harbour

East Coast Bays FormationDeeply weathered sandstone and siltstone with thick residual clays.
Tauranga Group alluviumSoft soils in the Lucas Creek and Oteha valley floors.
Engineered and uncontrolled fillMuch of Albany was reshaped by earthworks over the last 30 years.

What we look out for

  • Old fill of unknown quality on earlier subdivisions
  • Slope instability on gully sides
  • Expansive clays
  • Soft valley-floor soils

Typical projects

  • Subdivisions and bulk earthworks
  • Commercial and industrial sites in Rosedale
  • Houses on steep Greenhithe and Schnapper Rock sections

Our work in Albany & North Harbour

Every site is different. Geology maps and council overlays are a starting point; a site-specific investigation confirms what is actually there.

Start a project

Building in Albany & North Harbour? Send us the site address and we'll tell you what geotechnical input you need.

You get a clear, fixed scope and fee up front. Prefer to talk? Call 09 218 6915 or email info@gibbritchie.co.nz.