Project Execution Methodology

Basic Engineering activities
  • Document control Index.
  • Design Basis
  • Sizing calculation

    1. Load flow and short circuit study on  ETAP.
    2. Switchyard equipments
    3. Transformer  (Power / Distribution / Lighting)
    4. Switchyard structure (Out sourced)
    5. Cables (Voltage drop & short circuit )
    6. Capacitor
    7. DG sizing
    8. DC system
    9. Lighting

    • Earthing based on soil resistivity report.

    1. Earth mat  calculation for switchyard.
    2. Earthing grid calculation for plant.
    3. Lightning protection calculation

  • Single line diagram.
  • Typical control scheme with DCS/ PLC Interface.
  • Technical specification and Data sheet.
  • QAP for bought out equipments.
  • Vendor drawing review/ Approval.
  • Electrical IO List.
  • Relay co-ordination

Field engineering activities
  • Cable schedule.
  • Cable termination schedule.
  • Layout drawing.

    • Equipment layout for Electrical Rooms.
    • Switchyard layout drawing.
    • Earthing and Lightning Protection layout drawing.
    • Cable Layout drawing.
    • Lighting layout drawing with distribution diagrams.

Erection & Commissioning activities
  • Establishment of Site Office
  • Erection Schedule
  • Verification of Material received at site.
  • Mobilization of man power
  • Positioning of equipments.
  • Cable Tray Erection
  • Lighting
  • Earthing & Lightning Protection
  • Cable laying
  • Cable termination
  • Testing & No load Trials
  • Statutory approvals
  • Load trials
  • Preparation of as built drawings.
  • Handing over of plant