Dewatering and treatment for open-cut tunnel construction with sheet pile or slurry wall support.
Specialised water treatment for metro & tunnelling. TBM slurry, dewatering and construction discharge compliance.
Groundwater treatment for tunnel dewatering operations. Remove suspended solids, adjust pH and manage contaminated water.
Recycle tunnelling wastewater for TBM slurry makeup, dust suppression and concrete batching.
Sediment and suspended solids removal for tunnel construction wastewater.
Water treatment for cut-and-cover tunnel construction — open-excavation dewatering, runoff and concrete-contact water at street level. We show it because cut-and-cover sites sit in dense urban settings with tight discharge and noise constraints. Treatment plant is arranged to fit narrow working corridors alongside traffic management, utilities diversions and public access. The same train handles excavation dewatering, surface runoff and alkaline concrete-contact water, switching duty as the cut-and-cover sequence advances bay by bay.
Cut-and-cover tunnel construction requires dewatering for excavation below the water table. Sheet pile or slurry walls c
Every system is designed for your specific wastewater characteristics, flow profile, and effluent targets. No off-the-shelf assumptions — just validated process engineering.
Equipment selected from manufacturers with proven field performance in similar applications. Duty/standby arrangements and robust construction minimise unplanned downtime.
Design targets are set at 50-70% of consent limits, providing a safety margin for process variation. Continuous monitoring and automated reporting demonstrate compliance.
Intuitive controls, clear instrumentation, and accessible maintenance points reduce training requirements. Standard operating procedures written in plain language.
Direct access to our process engineers for operational advice, troubleshooting, and optimisation. Remote diagnostics and rapid on-site response keep your plant running.
Materials certified to EN 10204 3.1, welding procedures qualified to ISO 9606, and pressure testing to 1.5x design pressure. Full traceability from mill to commissioning.
Our cut-and-cover treatment includes high-capacity pumping, sedimentation for solids removal, and filtration for polishi
Comprehensive analysis of wastewater volume, quality, temperature, and variability informs process selection and equipment sizing for optimal performance.
Treatment train selected from screening, DAF, biological, filtration, and disinfection options based on effluent targets, footprint, and Capital expenditure constraints.
Materials, pumps, blowers, and instruments specified for the specific duty conditions, chemical environment, and operational maintenance capabilities.
PLC-based control with online monitoring automates chemical dosing, aeration, and sludge withdrawal. Remote access provides 24/7 oversight.
Site acceptance testing verifies mechanical, electrical, and process performance. Operator training ensures confident day-to-day management.
Contractual effluent targets with financial backing demonstrate our confidence. Monthly reporting proves continuous compliance for regulators and stakeholders.
Reynolds & Bauhm provides complete dewatering and treatment services including equipment, operation, and monitoring. Thi
Every system is designed for your specific wastewater characteristics, flow profile, and effluent targets. No off-the-shelf assumptions — just validated process engineering.
Equipment selected from manufacturers with proven field performance in similar applications. Duty/standby arrangements and robust construction minimise unplanned downtime.
Design targets are set at 50-70% of consent limits, providing a safety margin for process variation. Continuous monitoring and automated reporting demonstrate compliance.
Intuitive controls, clear instrumentation, and accessible maintenance points reduce training requirements. Standard operating procedures written in plain language.
Direct access to our process engineers for operational advice, troubleshooting, and optimisation. Remote diagnostics and rapid on-site response keep your plant running.
Materials certified to EN 10204 3.1, welding procedures qualified to ISO 9606, and pressure testing to 1.5x design pressure. Full traceability from mill to commissioning.
Directory of international wastewater treatment regulations and equipment compliance standards Organised by country and region.
View PageMeet strict environmental discharge requirements for tunnel construction wastewater.
View PageRemove contaminants from tunnel groundwater including heavy metals, hydrocarbons and sulphates for safe discharge.
View PageMetro construction, tunnel boring machines (TBM), and cut-and-cover excavation generate slurry water containing bentonite, cement fines, groundwater contaminants, and tunnelling additives. Treatment systems must handle high solids loading, variable flow rates, and tight site constraints while enabling water recycling to reduce freshwater consumption and tanker discharge volumes.
Desanding and desilting plants separate spoil from bentonite slurry for EPB and slurry TBMs.
Wellpoint dewatering and settlement tank systems manage groundwater ingress during excavation.
Closed-loop treatment enables 80-95% water reuse, minimising tanker transport rates.
Containerised and trailer-mounted systems for rapid deployment and relocation between sites.
| TBM Slurry Flow | 200 – 2,000 m³/h (EPB shield dependent) |
| Solids Loading | 10 – 40% by weight (spoilt slurry) |
| Particle Size | 0.001 – 100 mm (sand to boulder fragments) |
| Dewatering Well Flow | 5 – 50 m³/h per wellpoint |
| Groundwater Treatment | pH adjustment, iron/manganese removal |
| Water Reuse | 80 – 95% recycling for TBM and grout mixing |
| Footprint | Compact skids for 500 m² site compounds |
| Mobility | Trailer/container mounted for rapid relocation |
Site dewatering discharge meets local authority consent for suspended solids and pH.
Groundwater treatment complies with Construction Environmental Management Plans (CEMP).
Dewatered spoil meets landfill acceptance criteria or is recycled as engineered fill.
Our experts can design a system tailored to your specific requirements.
Our expertise spans multiple industries with sector-specific water treatment solutions.