Two linemen working aloft on a wood distribution pole carrying out conductor work

Fiber Attachment Program

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Client: San Diego Gas & Electric
Location: California, USA
Status: Completed, 2019 to 2024

Overview

The challenge. Adding third-party ADSS fibre optic cable to existing structures changes the combined loading condition on every pole involved — and on a large-scale program, the engineering has to keep pace with construction while leaving the utility with full structural assurance at the end.

Our approach. Our team delivered end-to-end engineering for the program: strength and clearance analyses on every affected structure, and management of the engineering process from preliminary design through construction to as-built documentation. The work was delivered as an independent consultant to KOSMOS, formerly West Power Energy, in parallel with the pole loading and asset management program — the same structures, methods and models serving both.

The outcome. The fibre network went onto SDG&E’s poles with every modified asset analysed, documented and closed out to as-built — five years of attachments with the utility’s structural assurance intact across the program.

Utility worker in high visibility clothing looking up at an overhead distribution pole
Utility worker inspecting an overhead distribution pole.

Services applied

  • Third-party attachment engineering
  • Structural analysis
  • Fibre optic design integration
  • Clearance analysis