Case study · GorkyCAD Pro
Electrical project for a 300 m² office
A 40-seat café with a professional kitchen, refrigeration equipment and emergency lighting requirements.
📊 Project specifications
| Type Office | Area 300 m² |
| Workstations 60 | Phases Three-phase (380 V) |
| Calculated load 45 kW | Groups 36 |
| Lighting 500 lx | Design time 4 evenings |
🎯 Task
Design lighting for 60 workstations with 500 lx per EN 12464, socket grid, server room with UPS, HVAC circuits and emergency lighting.
💡 Solution
Lumen-method lighting calculation, 12 lighting groups with scenes. Workstation socket grid on 4 circuits. Server room on a dedicated line with UPS and backup. Emergency lighting per exit routes.
- Kitchen split into dedicated groups with 30% power reserve.
- Emergency lighting on a separate line.
- Main breaker and RCD selected by calculated current.
- PDF set handed over for approval.
✅ Result
Full PDF set for approval: SLD, lighting plan, socket plan, specification, cable schedule. LPD is within the norm — the office passes the energy audit.
FAQ
How much electrical work does a café need?
For a 100–150 m² café, typical calculated load is 30–40 kW with a three-phase supply.
Is emergency lighting required?
Yes, for food service venues emergency lighting is mandatory and designed on a separate line.
Can I design without experience?
Yes, GorkyCAD Pro calculates loads, cables and breakers automatically per regulations.