Earthtech is able to provide a wide range of design solutions based on practical experience, design techniques and the use of contruction materials that suit the project site.
The company undertakes site investigations and geotechnical design work which can include:
Single house site stability, foundation design and onsite wastewater systems.
Subdivision feasibility and detailed design work.
Slope stability analysis including seismic and remedial works design, pile design, retaining wall and MSC wall design, temporary works and construction field inspections.
Investigations and design work for major bridges – both road and rail.
Specialist expertise in the design of foundation solutions on very weak ground – generally including wick drains and pre-loading.
Specialist expertise in liquefaction assessments and countermeasures.
Assessment of effects due to deep basement, trench or tunnelling works.
Design of landfill liners and leachate collection systems.
25 years’ experience in the investigations and design of coastal engineering works, specifically waterways and canal housing projects.
Category 1 geotechnical checking for major infrastructure projects.
Expert evidence at Council and Environment Court hearings.
Current projects include:
Investigations and design of a new bridge across the Taramakau River on the West Coast, and across the Waikato River at Atiamuri on SH1.
Design and construction supervision of a geogrid on piled load transfer platform in Hamilton.
Design of appropriate remedial works for a landslide affecting a rural access way.
Liquefaction assessment of Chapel Street Bridge in Tauranga.