Failures and related issues emanated from various sources, with fiber cuts from excavation accounting for 40%, followed by human error (22%), rodent damage (20%), right of way clearing (14%), and other factors (4%). Fiber attenuation problems were reported by over 25% of. epresents more than 80% of the overall cost of an optical fibre network and needs to be operation for several decades. This infrastructure is made up of a wide variety of equipment with very specific implem or new hosting structures: conduits, ducts, gutters, ove pecifiers and design ofices. Abstract - The continuous expansion of long-haul optical fiber networks (LHOFNs) plays a crucial role in ensuring high-speed data transmission across large distances. However, maintaining these networks presents several challenges, especially in diverse geographic and infrastructural environments. Even small forms of damage—from a bent cable to a rodent bite—can disrupt signals, cause costly outages, and require expensive repairs. What Can Happen? · Failed communications modules in the equipment Underground cable dig-ups Aerial cable damage from gunshots and a squirrel. Casey, City of Albany, GA) Designing.