Complete Building Electrical System Integration

Job Title: Electrical Design for Residential + Commercial Building (Indoor, Outdoor, DG Backup, Fire Pump & Lift)

Project Description

I am looking for an experienced Electrical Design Engineer to prepare a complete electrical design package for a Residential + Commercial building project. The design must include indoor and outdoor electrical systems, emergency lighting, DG backup systems, fire pump electrical supply, lift supply, inverter backup lines for apartments, conduit routing, and BOQ preparation.

Design must comply with NBC India, IS standards, and standard electrical engineering practices.

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Scope of Work

1. Indoor Electrical Design
- Lighting layout for apartments, commercial areas, corridors, staircases, and common areas
- Power layout including switches, sockets, and appliance points
- Load calculations and diversity calculations
- Distribution board (DB) design and schedules
- Single Line Diagram (SLD)

2. Emergency Lighting System
- Emergency lighting layout for staircases, corridors, and exit routes
- Design with DG backup supply
- Ensure minimum required lux levels for safe evacuation

3. Outdoor Electrical Design
- Street lighting layout for internal roads
- Parking area lighting
- Building entrance and pathway lighting
- Outdoor lux level calculations

4. DG Backup System
DG sizing and electrical design for emergency loads including:
- Emergency lighting
- Fire pump system
- Lift (minimum one lift on DG)
- Staircase lighting
- Corridor lighting
- Common area lighting
- Water pump

Provide DG load calculation and integration in SLD.

5. Fire Pump Electrical System
Electrical supply design for:
- Fire pump
- Jockey pump
- Fire control panel supply
- Dedicated power supply with DG backup

6. Lift Power Supply
- Electrical power supply design for lifts
- DG backup provision for lift operation during power failure

7. Inverter Line for Apartments
- Design inverter backup circuits for essential loads in each apartment
- Separate wiring for inverter-backed lighting and fan circuits

8. Conduit Routing
- Electrical conduit routing inside slabs and walls
- Coordination with structural and architectural drawings to avoid clashes

9. BOQ Preparation
Prepare BOQ including:
- Lighting fixtures
- Switches and sockets
- Distribution boards
- Cables and wiring
- Conduits and accessories
- Earthing system
- Street lighting poles and fixtures

Required Lux Levels (Design Standard)

Indoor Areas:
- Apartments living rooms: 150–200 lux
- Bedrooms: 100–150 lux
- Kitchens: 200–300 lux
- Bathrooms: 150 lux

Common Areas:
- Corridors: 100 lux
- Staircases: 100 lux
- Lobbies: 150–200 lux
- Lift lobby: 150 lux

Emergency Lighting:
- Staircases: 10 lux
- Escape routes / corridors: 1–10 lux
- Exit doors: 10 lux

Parking Areas:
- Basement parking: 50–75 lux
- Open parking: 30–50 lux

Outdoor Areas:
- Internal roads / street lights: 10–15 lux
- Pathways / walkways: 5–10 lux
- Building entrance: 50 lux
- Landscape lighting: 5–10 lux

Deliverables
- AutoCAD electrical drawings (lighting layout, power layout, conduit routing)
- Emergency lighting layout
- Outdoor / street lighting layout
- Single Line Diagram (SLD)
- Load calculation report
- Lux level calculation report (Dialux / Relux preferred)
- Electrical BOQ in Excel format

Preferred Skills
- Electrical design for residential/commercial buildings
- AutoCAD / AutoCAD MEP
- Dialux or Relux for lighting calculations
- Experience with DG backup systems and fire pump electrical design

Please share examples of similar electrical design projects when applying.