Entrance to Whangarei

Services we offer

Richardson Stevens has a broad engineering background and take pride in offering a large array of services to our clients.

Residential Development

  • Structural design of houses (ranging from conventional timber framed housing to high end residential dwellings and eco-friendly housing such as earthbrick and strawbale)
  • On-site wastewater management
  • Site suitability reporting
  • Stormwater management
  • Hazard zonation reporting [flood, stability, mine, coastal]
  • Supervision of construction when requested

Commercial Development

  • Engineering design, both civil and structural, including large span portal frame and concrete panel composite buildings and low rise high density apartment and office buildings
  • Draughting of plans for building consent
  • Fire safety reporting in accordance with Acceptable Solutions of the NZ Building Code
  • Seismic evaluation and remedial design
  • Supervision of construction when requested

Civil Engineering

  • Engineering design of subdivisions including site services and roading, suitability and hazard mitigation
  • Retaining wall design

Marine Projects

  • Coastal reclamation design
  • Design of wharves, jetties and pontoons
  • Preparation of Resource Consent documents
  • Coastal hazard management and seawall design


  • Municipal reservoir design
  • Footbridges
  • Sculptures
  • Inclinators

In carrying out the above design work, we use programmes such as SAP2000, Mathcad, SLIDE and Autocad.  We also undertake subsoil investigations on site by the use of hand operated augers, Pilcon shear vanes and Scala penetrometers.