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SCADA & Control System Tiers

Four tiers of automation from basic local HMI to enterprise DCS with cloud analytics, digital twin, and ERP integration.

Since 2016
Global Delivery
Performance Guaranteed

System Overview

Tier 1: Basic Control

Local HMI, manual dosing, level alarms, pump control with Siemens LOGO! or AB Micro850.

Tier 2: Standard Automation

Flow-paced dosing, VFD pumps, email alarms, WiFi data logging with S7-1200 or CompactLogix.

Tier 3: Advanced SCADA

Full automation, 4G remote access, chemical inventory, predictive alarms, cloud historian.

Tier 4: Enterprise DCS

Multi-train coordination, digital twin, AI optimisation, ERP integration, full redundancy.

Detailed Process Train Specifications

CapabilityTier 1: BasicTier 2: StandardTier 3: AdvancedTier 4: Enterprise
ControllerSiemens LOGO! / AB Micro850S7-1200 / CompactLogixS7-1500 / ControlLogixPCS7 / PlantPAx (redundant)
HMI7" local panel10" panel + WiFi15" panel + 4G routerServer room + clients
AutomationManual dosing, pump controlFlow-paced dosing, VFDFull auto + inventoryAI + predictive control
RemoteNoneWiFi + email4G + cloud + VPNFibre + cloud + ERP
Data LoggingAlarm logTrending + exportCloud historian + reportsDigital twin + analytics
Typical Flow10–25 m³/h25–50 m³/h50–100 m³/h100–200 m³/h
All Tiers SensorsFlow, pH, level, temp, pump+ ORP, DO, sludge, chemical+ TSS/COD, turbidity, UVT+ DP, airflow, sampler, CCTV

Typical Applications

Municipal Plants

Automated sewage treatment with remote monitoring.

Industrial Sites

Trade effluent with compliance reporting.

Remote Locations

Unattended operation with cloud monitoring.

Port & Harbour

Bilge and ballast water regulatory logging.

Water Reuse

Multi-parameter monitoring for reuse quality.

Pharmaceutical

21 CFR Part 11 data integrity and batch reporting.

Related Process Trains

View Full Product Catalogue

All options with SCADA tiers.

SCADA Integration

Site-wide SCADA and PLC programming.

P&ID Services

Process flow design and instrumentation.

Process Fundamentals & Design

This treatment stage is engineered to achieve specific contaminant removal targets while providing stable, predictable performance across variable inlet conditions. Design parameters are calculated from wastewater characterisation data, regulatory requirements, and site-specific constraints including footprint, energy availability, and operator capability.

Process Optimisation

Design validated by CFD modelling and pilot testing to confirm performance guarantees.

Mechanical Reliability

Equipment selected for 20-year design life with minimal wearing parts and easy access.

Chemical Efficiency

Automated dosing and feedback control minimise reagent consumption and sludge production.

Compliance Assurance

Online monitoring and data logging demonstrate continuous consent compliance.

Design Parameters

Design Flow10 – 5,000 m³/h (application specific)
Inlet VariabilityDesigned for 1:3 peak-to-average flow ratio
Removal Efficiency85 – 99% depending on target contaminant
Hydraulic RetentionCalculated from kinetic constants and safety factors
Power Consumption0.5 – 5.0 kWh/100 m³ (process dependent)
Chemical DoseAuto-controlled based on online analysers
Sludge Production0.2 – 1.5 kg DS/kg contaminant removed
MaterialsSS304, SS316L, or carbon steel with coating

Integration with Treatment Train

No treatment stage operates in isolation. This process is designed to receive conditioned influent from upstream stages and deliver effluent quality suitable for downstream processes. Hydraulic and organic loading rates are balanced across the complete treatment train to prevent bottlenecking and ensure overall plant efficiency. Our engineers model the complete flowsheet to optimise Capital expenditure and Operating expenditure across the plant lifecycle.

Upstream Protection

Screening, equalisation, and pre-treatment protect this stage from damage and overload.

Downstream Conditioning

Effluent quality ensures downstream biology, filtration, or disinfection performs optimally.

Recycle Streams

Reject streams, filtrate, and centrate are routed back to appropriate upstream points.

Related Pages & Equipment

Equipment Catalogue

Browse our full range of water treatment equipment and systems.

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DAF Systems

Dissolved air flotation for solids and oil separation.

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Lamella Clarifiers

High-rate settling for primary and secondary clarification.

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Biological Treatment

Activated sludge, MBBR, and SBR systems for organic removal.

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Sludge Dewatering

Belt press, centrifuge, and screw press dewatering.

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Chemical Dosing

Automated coagulant, flocculant, and pH correction systems.

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Pilot Testing

Validate process performance with on-site pilot trials.

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Speak to Our Engineers

Request a consultation or quotation for your project.

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Need Detailed Specifications?

Our engineers provide detailed P&ID drawings, container layouts, and equipment specifications for your selected process train.

Industries We Serve

Our expertise spans multiple industries with sector-specific water treatment solutions.