SURFACE WATER - Rockwater - Hydrogeological & Environmental Consultants

WHY THIS SERVICE?

Flooding can pose a significant risk to mine pits, roads, buildings, and other infrastructure located in the path of uncontrolled surface water flows. Peak flood estimation and flood mitigation design are key components in developing a mining project.

Rockwater assesses runoff from catchments and flow along drainage lines using analytical techniques and hydrologic models. The data are used to produce flood maps, and estimates of the depths and velocities of floods, which are used to assess their impacts and allow for control structures to be designed.

Surface water studies put you on the front foot for infrastructure and approvals planning.

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A SERVICE OFFERED FROM START TO FINISH

Rockwater develops surface water models in accordance with the latest Australian Rainfall and Runoff techniques. We have conducted surface water studies for over 50 mining projects in Western Australia. Key operational risks are identified in order to design cost-effective flood water management measures in accordance with the relevant guidelines and legislation.

• Analytical methods
• RORB model
• HEC-RAS model
• Water balance models
• Infiltration testing

OFFICE PROCEDURES & OUTCOMES

Delineation of catchments and drainage systems
Hydraulic analyses to assess the impact of surface water flows on infrastructure and the environment
Flood management plans including conceptual designs of flood mitigation structures

Mining proposals and mine closure plans to meet the regulatory requirements
Lake water balances as part of assessment of impacts of dewatering discharge
Groundwater/surface water interactions

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