Waiheke Island

GWE has a permanent office and engineering staff on Waiheke and has been serving the needs of the community for the past ten years.

Planning to Build on Waiheke or elsewhere in the Gulf

At GWE we can provide you with all the engineering advice you will need, from pre-purchase inspections through to site investigations, resource consents, engineering design, building consents and construction monitoring. Our services include, environmental, geotechnical, wastewater, stormwater, drinking water and land development engineering and contaminated land services. A summary of our services is provided below, for comprehensive details please go to Our Services page on the main menu.

See Our Services

Geotechnical Engineering

Our engineers plan and undertake site investigations that provide the design information to develop a range of solutions for complex geotechnical conditions that affect land development projects including slope stability, liquefaction, foundations, ground support systems and groundwater control. We provide our clients with the following services:

Due Diligence Reporting and Pre-purchase Inspections
Site Investigations
Geotechnical Design
Construction Monitoring and Inspections

Small Community Wastewater

Our wastewater team has expertise in the complete project lifecycle from initial investigations and feasibility studies through to outline and detailed design, project implementation and commissioning of treatment plants, pipelines and pump stations. We provide our clients with the following services:

Pre-purchase Inspections and Due Diligence
Resource Consenting
Wastewater Treatment
On-site Wastewater Treatment
On-site Wastewater Disposal

Stormwater

Our stormwater team’s approach to stormwater management incorporates the understanding of client and community needs, evaluating flood risk, the assessment of environmental sensitivities and the effects of stormwater discharges and developing sustainable environmental outcomes.

Resource Consent Applications
Stormwater Management Plans
Stormwater Networks Design
Flood Impact Assessment
Erosion and Sediment Control Plans

Drinking Water

Our water team offers comprehensive consulting services to public and private clients planning to implement water treatment and supply projects. Our integrated approach to the development of project solutions matches contemporary standards of design and resilience and adds value for clients.