Civil Engineering Consultancy Services

Roads, Stormwater Drainage and Flooding, Structural Design

The ability to narrow down to the best solution comes with years of specialist technical experience on a large variety of projects.

JHA provides smart, practical and efficient solutions for road engineering, stormwater drainage infrastructure, flood management and structural design in order to create value for the project, while ensuring a safe asset.

Our experience encompasses all project phases from conception through to implementation, and our range of multi-disciplinary engineering services means that the outcomes for each discipline of the project are streamlined and integrated. You can also rest assured that our civil services are exclusively offered only by Chartered Professional Engineers with the Institution of Engineers Australia.


JHA has the following capabilities in road engineering:

  • Road geometry design and modelling
  • Road furniture design
  • Road signage and line marking design
  • Sweep paths
  • Earthworks design and modelling
  • Retaining wall design
  • Design of flexible and rigid pavements
  • Driveways, access roads, footpaths, cycleways, shared paths, carparks, kerbs, intersections,
    cul-de-sacs, roundabouts, local roads, collector roads, sub-arterial and arterial roads
Stormwater Drainage and Flooding

Our capabilities in stormwater drainage and flooding include:

  • Stormwater drainage design, investigation and assessment
  • Flood studies, modelling, mapping, risk management and mitigation
  • Overland flow studies
  • Hydrological and hydraulic modelling and assessment
  • On-site stormwater detention design
  • Structural design of drainage structures
  • Rainfall analysis
  • Tide analysis
  • Water sensitive urban design
  • Stormwater quality (MUSIC) modelling
  • Erosion and sediment control planning
  • Soil and water management planning

Our capabilities in structural engineering include:

  • Design of concrete structures
  • Design of timber structures


Transport Infrastructure

JHA can provide our roads, stormwater drainage and flooding expertise for transport infrastructure projects including roads, rail, light rail, tunnels and bridges.

Land Infrastructure

We can provide roads, stormwater drainage and flooding engineering services for a wide variety of land infrastructure projects, including subdivisions, stadiums, defence, education, energy, data, residential, commercial, industrial and agricultural developments.

We can provide our structural services for residential and commercial building developments.