Pells Sullivan Meynink

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Industry leading water solutions

A full range of integrated assessment and design services to manage water for better outcomes in civil, tunnelling, mining and dams.

  • Hydrology
  • Hydraulics
  • Mine water management
  • Water resources
  • Flooding
  • Rivers and streams
  • Stormwater
  • Groundwater and seepage.



PSM provides practical solutions for:

  • Rainfall and runoff modelling
  • Droughts and flooding
  • Water storage and supply
  • River systems.

Mine water 

Customised engineering designs for your mine water balance:

  • Water detention and treatment
  • Runoff management
  • Water supply
  • Disposal
  • Dewatering
  • Drainage and channel design

Water resources

Managing and assessing water resources, including:

  • Resource characterisation
  • Environmental monitoring
  • Resource allocation
  • Flow estimation and gauging
  • Drought management.


Assessing flood risk, including:

  • Rainfall and runoff modelling
  • Flood routing
  • Hydrodynamic modelling
  • Flood storage and detention.

Rivers and streams

Assessing and managing:

  • Embankment stabilisation
  • Chutes and weirs
  • Diversions
  • River training
  • Energy dissipation and gradient control
  • Sediment transport
  • Rehabilitation
  • Dredging


Design of drainage systems and management of stormwater.

drainage systems and management of stormwater

Groundwater and Seepage (hydrogeology)

Protection and sustainable use of sub-surface water:

  • Resource characterisation
  • Well design and installation
  • Aquifer testing and groundwater monitoring
  • Groundwater modelling using 2D and 3D analysis
  • Dewatering
  • Tunnel design pressures and inflows
  • Stability of slopes and embankments

2d 3d ground water modelling



Analysis and design of water flow systems including open-channel flows, river system, pipeline designs, hydraulic structures.

1D, 2D and 3D numerical modelling of flow systems as well as design and supervision of scale physical hydraulic models.

Design of hydraulic structures:

  • Pump intakes
  • Channel intakes
  • Outlets
  • Spillways
  • River diversions
  • Weirs and levees
  • Gates

Design of drainage systems:

  • Culverts
  • Chutes
  • Open channels
  • Gutters, pits and pipes

Designs for protection against scour and erosion in earth and rock:

  • Sediment transport
  • Channel or embankment stabilisation
  • Stable chute design
  • Erosion protection – rip-rap, gabions, vegetation
  • Scour of spillways and unlined channels

Design of pipe and open channel networks

Hydrodynamic modelling:

  • 1D, 2D and 3D numerical flow modelling
  • Design and supervision of physical hydraulic models

design and supervision of hydraulic structure

Fluvial Geomorphology

Monitoring response to change in river systems.

Managing the impact on the system’s equilibrium.

Numerical simulation of sediment transport and scour over land and through river systems.

Monitoring response to change in river systems

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