Prices can range from $1 to $50+ per linear foot depending on the method and complexity. BroadbandUSA collected information about network construction expenses to increase awareness of the costs associated with deploying a broadband network. The main cost drivers are materials, installation time, and environmental factors that affect trenching, conduit, and terminations. This. The cost of setting up and operating an optical fiber cable manufacturing unit can vary significantly based on several factors. HDPE conduits last longer than PVC but cost slightly more upfront.