London Machine Works provides end-to-end wastewater treatment engineering, taking projects from first principles through to detailed design, manufacture, installation and commissioning. We start with robust flow calculations and mass balance modelling, using real operational data where available (or structured assumptions where not) to define hydraulic, process and loading conditions. From this, we deliver accurate pump, pipeline and equipment sizing, ensuring velocities, headloss, NPSH, duty/standby philosophy and maintainability are properly engineered rather than guessed. Where relevant, we support Mogden calculations to forecast trade effluent charges, identify cost drivers, and quantify OPEX savings opportunities, then track OPEX efficiency improvements against baseline scenarios.

For primary solids and FOG removal, we provide DAF (Dissolved Air Flotation) sizing and specification, plus full project delivery: vendor selection, detailed integration design, fabrication of associated pipework and skids, site installation management, and performance validation. Downstream, we can specify and integrate dewatering equipment such as screw presses, belt presses and centrifuges, including polymer systems, sludge handling, drainage, guarding, and safe access.

We design chemical dosing and control systems that are practical and reliable—covering reagent storage and bunding, dosing skids, calibration pots, injection quills, and sampling points. Instrumentation typically includes TSS and pH sensors tied into PID control loops for stable compliance and reduced chemical waste, with clear cause-and-effect documentation.

To ensure the whole plant is buildable and maintainable, we produce complete P&IDs and associated engineering deliverables, supported by 2D/3D layout design for tight plantrooms, access routes, lifting strategy and future expansion. Finally, we offer AI integration to reduce operating cost further, optimising dosing against changing influent conditions and enabling predictive maintenance based on trends in process, pump and asset performance, cutting downtime, consumables and overall OPEX.