Total: around $22,000-$35,000 per km. Spec: mixed aerial and underground sections, higher fiber count. ing and blowing a cable in a duct and the impact on the cable designs. It. The cost to install fiber optic cable ranges from $1. 50 to $42 per foot, with installation costs accounting for 60-80% of total project expenses. Buyers typically pay a. Current fibre optic civil works costs, optical fibre installation costs and FTTH trenching costs per metre in 2026 range from €10 for overhead deployment to €85 for conventional trenching, with shallow-depth installation at €45 per metre representing the most cost-effective middle ground. This cost. Buyers typically pay a wide range for laying fibre, driven by terrain, routing, and installation method. Cost ranges reflect urban. This specification covers the minimum requirements for the laying, joining and testing of HDPE (High Density Polyethylene) Duct for Optical Fibre Cable (OFC) either by open cut methods or by trenchless techniques. The specification also covers installation of Man Holes (MH) and Hand Holes (HH) to. When working in manholes, precautions must be taken to limit the amount of exposure to lead. Strictly observe your company's lead handling procedures to eliminate this hazard.