Transmission & Distribution

Overhead Line Design

Transmission and distribution OHL design, from route survey to tower foundations.

01 · Overview

NAESC provides detailed overhead line engineering for both new construction and circuit upgrades. Our OHL packages cover every deliverable from route selection through construction-ready drawings, using PLS-CADD for sag-tension and loading calculations.

02 · Deliverables

Route survey and profile drawings
Tower/pole type selection and spotting
Sag-tension calculations (PLS-CADD)
Wind and ice loading analysis
Right-of-way and clearance verification
Foundation load reports
Earthwire and lightning protection
Bill of materials (BOM)

03 · Standards

IEC 60826EN 50341CIGRE TB 324IEC 60815

04 · Related Disciplines

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Full P&C engineering from philosophy through panel design and relay settings.

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Substation automation system design and IEC 61850 engineering.

Underground Cable Design →

High-voltage cable systems sized, routed, and protected to IEC standards.

Need overhead line design?

Share your requirements and we'll scope a technical proposal within 48 hours.