flowchart TD A["Utility Supply
13.8kV / 33kV"] --> B["Main HV/MV Substation"] B --> C{"Primary Distribution"} C --> D["Transformer 1
MV to LV"] C --> E["Transformer 2
MV to LV"] C --> F["Transformer 3
MV to LV"] D --> G["Main LV Switchboard"] E --> H["Critical Load
Switchboard"] F --> I["General Load
Switchboard"] G --> J["Distribution Boards
DB-1 to DB-n"] H --> K["UPS Systems"] H --> L["Emergency Generator"] I --> M["Lighting & Power
Circuits"] J --> N["Final Circuits
Machinery, HVAC, etc."] K --> O["Critical Loads
IT, Controls"] L --> P["Emergency Systems"] M --> Q["General Power &
Lighting Loads"] style A fill:#e1f5fe style B fill:#fff3e0 style G fill:#f1f8e9 style H fill:#fce4ec style O fill:#e8f5e8 style P fill:#fff8e1

flowchart LR subgraph HP["Hazard Prevention"] A["Design Stage
Safety Integration"] --> B["Equipment Selection
IP Ratings, Arc Resistance"] B --> C["Protection Coordination
Selective Coordination"] C --> D["Physical Barriers
& Guarding"] end subgraph RM["Risk Mitigation"] E["Arc Flash Risk Assessment"] --> F["PPE Requirements
CAT Level Definition"] G["Shock Protection
Insulation, Grounding"] --> H["Emergency Switching
& Isolation Procedures"] end subgraph AC["Administrative Controls"] I["Electrical Safety
Program Development"] --> J["Lockout-Tagout
(LOTO) Procedures"] K["Training &
Competency Assessment"] --> L["Audit & Inspection
Regime"] end subgraph ER["Emergency Response"] M["Emergency Procedures
Documentation"] --> N["First Aid &
Rescue Planning"] O["Incident Investigation
& Reporting"] --> P["Corrective Actions
& System Updates"] end HP --> RM RM --> AC AC --> ER style HP fill:#fff8e1,stroke:#caa100,stroke-width:1px style RM fill:#fce4ec,stroke:#ad1457,stroke-width:1px style AC fill:#e1f5fe,stroke:#1565c0,stroke-width:1px style ER fill:#e8f5e8,stroke:#2e7d32,stroke-width:1px