Transmission line design

JD for Transmission Line Design

Key Responsibilities

1. Route & Profile Engineering

• Preparation of route alignment drawings using survey data
• Development of tower spotting and optimization
• Preparation of longitudinal profiles and sag templates

2. Electrical & Mechanical Design

• Conductor selection and configuration

• Calculation of:

• Sag & tension

• Clearances (ground, electrical, statutory)

• Insulation coordination and string configuration

3. Tower & Structural Engineering Coordination

• Selection of tower types (suspension, tension, terminal)
• Coordination with structural team for tower design & loading data
• Review of tower drawings and fabrication details

4. Foundation Engineering Coordination

• Soil data review and classification
• Selection of suitable foundation types
• Coordination for foundation design and BOQ

5. BOQ & Costing (Pre-bid & Execution)

• Preparation of engineering BOQs for transmission line projects

• Quantity estimation for:

• Towers

• Conductors

• Insulators

• Hardware fittings

• Support in tendering and cost optimization

6. Survey & Site Coordination

• Review of survey reports (topographical, soil investigation)
• Conducting site visits for route validation and issue resolution
• Coordination with execution team during construction

7. Documentation & Drawings

• Preparation and review of:

• Route maps

• Tower schedules

• Stringing charts

• Clearance charts

• Ensuring proper documentation control

8. Standards & Compliance

• Ensure compliance with:

• IEC

• IEEE

• IS standards and utility guidelines

Candidate Profile

Educational Qualification

• B.E./B.Tech in Electrical / Civil Engineering
• M.Tech (Power Systems / Structural) – Preferred

Experience

• 5–7 years in transmission line design (HV/EHV)
• Experience up to 220kV / 400kV / 765kV lines preferred

Technical Skills

• Strong understanding of:

• Transmission line design principles

• Sag-tension calculations

• Tower spotting and profiling

• Hands-on experience with:

• AutoCAD

• MS Excel (for design calculations)

• Exposure to tools like:

• PLS-CADD (preferred)

Key Deliverables

• Route alignment & profile drawings
• Tower spotting & schedules
• BOQ and quantity estimations
• Design calculations (sag, tension, clearance)
• Technical inputs for tender and execution