System architecture

Layers
- 1FieldLevel, flow, pressure & chlorine sensors · PLC / RTU at pump stations, reservoirs and plants
- 2TelemetryRadio, 4G and fibre links · Modbus RTU, DNP3, OPC UA
- 3ServerSCADA server · database historian · firewall (municipal or cloud)
- 4PlatformEASS web + mobile apps: SCADA, Operations, Compliance, AI, OneApp
Rollout
- Phase 1 — PilotManual & mobile capture, sampling, SOPs, logbook, compliance. No plant hardware needed.
- Phase 2 — ConnectPLC/RTU integration at pilot sites; live telemetry and alarms.
- Phase 3 — ScaleAll towns, executive dashboard, OneApp for residents, AI trend alerts.
