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Construction Scheme for Double Optical Cables for Overhead Lines

Optical network knowledge brief Published 04 Jan 2024

Prepared for preliminary research by the COETZER OPTICAL knowledge desk. Confirm compatibility, loss budgets and installation requirements against current standards and product documentation.

The construction of double optical cables for overhead lines involves careful planning, pole preparation, cable stringing, tensioning, grounding, and fiber protection to ensure reliable aerial fiber deployment.1. Planning and Site Survey

Before installation, a site survey is conducted to map the route, assess terrain, and identify obstacles such as rivers, roads, or existing utilities. The survey determines whether the cable will be installed on existing poles or new structures, and establishes pole spacing, height, and type based on environmental and mechanical requirements . For double optical cables, the design must account for additional weight and wind load.

2. Pole Selection and Preparation

Poles or towers are selected according to height and load requirements. Standard pole heights range from 7–15 meters, with deeper foundations for soft soil (1.2 m) and shallower for rocky terrain (0.9 m), . Poles are aligned with minimal vertical deviation (

Construction Scheme for Double Optical Cables for Overhead Lines - COETZER OPTICAL SYSTEMS (Pty) Ltd [PDF]

Construction Scheme for Double Optical Cables for Overhead Lines

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Technical note

This reference is intended for preliminary optical-network research. Compatibility, link budgets, installation methods, test limits and applicable standards must be verified for the specific project.

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