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Quality design for commercial, industrial and residential development

We’re an experienced civil engineering consultancy whose engineers work closely with clients, project managers, contractors and regional authorities.


The projects range from commercial and industrial developments and residential subdivisions to wind farms and water retaining structures.

Riley clients include councils and regional authorities, power generation companies, land developers and private landowners.

Specialised teams will project manage the complete process or can undertake specific aspects from initial feasibility studies to contract monitoring. 


Development engineering and consenting

  • Feasibility and due diligence assessment

  • Expert witness, mediation and peer review

  • Resource, engineering approval and building consents

  • Utility service coordination.

Earthworks assessment

  • Erosion and sediment control

  • Site contamination.


Retaining walls, roading and pavements

  • Geometric design

  • Pavement investigation and design.


Stormwater management and mitigation

  • Hydraulic and hydrology assessment

  • Water sensitive design

  • Hydraulic neutrality (detention/retention)

  • Reticulation and conveyance

  • Flood and overland flow assessment

  • Catchment management.


Wastewater management

  • On-site wastewater disposal

  • Pressure and gravity wastewater reticulation.


Water supply

  • Water supply reticulation

  • Water supply balance and reuse.

Civil construction management

  • Tender and contract preparation

  • Project and contract management

  • Construction observations

  • Engineering compliance.

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