However, the cost to compensate the landowner is small compared to the total repair costs. Easement agreements may require the utility to compensate property owners for disruption in their property use and for property damage that is caused by repairing underground transmission lines on private property. The cables in the directional drilled section twist around each other in the pipe so they all would have to be pulled out for examination. A fault in a directionally drilled section of the line could require replacement of the entire section.įor example, the cost for directional drilling an HPGF cables is $25 per foot per cable. Field-made splices could cost up to $60,000 to repair. Molded joints for splices in XLPE (Cross-linked polyethylene) line could cost about $20,000 to repair. A leak detection system for a HPFF (High-pressure, fluid-filled pipe) cable system can cost from $1,000 to $400,000 to purchase and install depending on the system technology.
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