Geotechnical

Contact: Philip Cook / Shona Brock (09) 438 9529

Cook Costello Ltd has over 30 years specialist geotechnical experience in Northland. Studies have included major foundation investigations for buildings and pavements, geological features mechanical, soil conditions, limitations to development slope stability. We also do retaining walls, subdivision and earthworks engineering.

Marina Stability Assessment.jpg

Geotechnical Investigations for
Kissing Point Marina

Cook Costello Ltd understands the Northland geology and extensive past investigate which we are able to draw on. The geotechnical division is fully supported by Northland Soil Mechanics and Testing Laboratory and has the full support of Cook Costellos technical staff.

Typical Services:

Site suitability and feasibility assessments for residential, commercial and Industrial developments
Geotechnical investigation, analysis and design of remedial measures
Investigation analysis for economics and added value
Investigation, analysis of old landslide debris for residential development. Recommended deep counterfort drainage
Feasibility and site suitability reporting for resource consent
Emergency works
Dam Safety Scheme Certification

Fonterra Cow Shed and Science Facility, Hikurangi

Geotechnical investigations have involved deep machine fully undisturbed cored borelogs and full laboratory analysis and testing. Water level monitoring and ground movement have been carried out for a number of clients.

Results have led to safe stable development of sites with specifically designed foundations and retaining structures and reduced client costs.

Typical works:

Investigations building foundations and carpark pavements for NZ Post Mail Centre
Foundations for Rail bridge extension over soft estuarine silts
Transpower transformer foundation loads
Landslide investigation and stabilisation measures which affected 5 highly valued coastal properties
Dam foundation investigations and peer review