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SERVICES

Hydrology and Hydraulics

Hydrological, hydraulic, and drainage assessment to understand surface water behaviour and support practical site development decisions.
Our Approach

Water can strongly influence site feasibility, layout, earthworks, access, erosion risk, construction, and long-term operation. Geosophia helps clients understand how rainfall, runoff, terrain, catchments, and drainage constraints may affect a project. The aim is to identify water-related risks early and develop practical drainage designs that are suitable for the site conditions and project needs.

what we do
01
Pre-Construction Hydrological and Hydraulic Assessment
We assess rainfall, runoff, surface water flow, and flood risk to understand how water may affect the site and the proposed development. This may include catchment analysis, design flow estimation, 1D or 2D hydraulic modelling, and practical recommendations for drainage, flow paths, flood mitigation, and erosion control.
02
Conceptual and Preliminary Drainage Design
We develop the overall drainage strategy for the project and assess the technical feasibility of the proposed approach. This may include runoff management, preliminary sizing of drainage elements, review of interfaces with roads, platforms, and earthworks, and identification of key requirements or constraints for detailed design.
03
Detailed Drainage Design
We develop drainage designs to a level suitable for construction. This may include detailed hydraulic sizing, final drainage layouts, channels, ditches, culverts, crossings, outlets, erosion-control measures, construction drawings, and bills of quantities where required.
04
Post-Construction Hydrological and Hydraulic Assessment
We review final design, earthworks, and as-built information to assess whether the completed site configuration performs as intended. This may include reviewing flow paths, ponding areas, drainage restrictions, erosion-sensitive areas, drainage performance, and any necessary corrective or maintenance measures.
01
Pre-Construction Hydrological and Hydraulic Assessment
We assess rainfall, runoff, surface water flow, and flood risk to understand how water may affect the site and the proposed development. This may include catchment analysis, design flow estimation, 1D or 2D hydraulic modelling, and practical recommendations for drainage, flow paths, flood mitigation, and erosion control.
02
Conceptual and Preliminary Drainage Design
We develop the overall drainage strategy for the project and assess the technical feasibility of the proposed approach. This may include runoff management, preliminary sizing of drainage elements, review of interfaces with roads, platforms, and earthworks, and identification of key requirements or constraints for detailed design.
03
Detailed Drainage Design
We develop drainage designs to a level suitable for construction. This may include detailed hydraulic sizing, final drainage layouts, channels, ditches, culverts, crossings, outlets, erosion-control measures, construction drawings, and bills of quantities where required.
04
Post-Construction Hydrological and Hydraulic Assessment
We review final design, earthworks, and as-built information to assess whether the completed site configuration performs as intended. This may include reviewing flow paths, ponding areas, drainage restrictions, erosion-sensitive areas, drainage performance, and any necessary corrective or maintenance measures.
01
Pre-Construction Hydrological and Hydraulic Assessment
We assess rainfall, runoff, surface water flow, and flood risk to understand how water may affect the site and the proposed development. This may include catchment analysis, design flow estimation, 1D or 2D hydraulic modelling, and practical recommendations for drainage, flow paths, flood mitigation, and erosion control.
02
Conceptual and Preliminary Drainage Design
We develop the overall drainage strategy for the project and assess the technical feasibility of the proposed approach. This may include runoff management, preliminary sizing of drainage elements, review of interfaces with roads, platforms, and earthworks, and identification of key requirements or constraints for detailed design.
03
Detailed Drainage Design
We develop drainage designs to a level suitable for construction. This may include detailed hydraulic sizing, final drainage layouts, channels, ditches, culverts, crossings, outlets, erosion-control measures, construction drawings, and bills of quantities where required.
04
Post-Construction Hydrological and Hydraulic Assessment
We review final design, earthworks, and as-built information to assess whether the completed site configuration performs as intended. This may include reviewing flow paths, ponding areas, drainage restrictions, erosion-sensitive areas, drainage performance, and any necessary corrective or maintenance measures.

what we do

01

Pre-Construction Hydrological and Hydraulic Assessment

We assess rainfall, runoff, surface water flow, and flood risk to understand how water may affect the site and the proposed development. This may include catchment analysis, design flow estimation, 1D or 2D hydraulic modelling, and practical recommendations for drainage, flow paths, flood mitigation, and erosion control.
02

Conceptual and Preliminary Drainage Design

We develop the overall drainage strategy for the project and assess the technical feasibility of the proposed approach. This may include runoff management, preliminary sizing of drainage elements, review of interfaces with roads, platforms, and earthworks, and identification of key requirements or constraints for detailed design.
03

Detailed Drainage Design

We develop drainage designs to a level suitable for construction. This may include detailed hydraulic sizing, final drainage layouts, channels, ditches, culverts, crossings, outlets, erosion-control measures, construction drawings, and bills of quantities where required.
04

Post-Construction Hydrological and Hydraulic Assessment

We review final design, earthworks, and as-built information to assess whether the completed site configuration performs as intended. This may include reviewing flow paths, ponding areas, drainage restrictions, erosion-sensitive areas, drainage performance, and any necessary corrective or maintenance measures.
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