CIPP Liner for Gravity Pipeline Renovation

In some cities, including Rome, Istanbul (Constantinople), and Fustat, networked ancient sewer systems continue to function today as collection systems for those cities’ modernized sewer systems. Instead of the sewerage flowing to a river or the sea, the pipes have been re-routed to modern sewer treatment facilities. As cities grew in the 19th century, increasing concerns were raised about public health due to outbreaks of diseases such as typhoid and cholera. To help control these outbreaks, the development of municipal sanitation programs occurred in the late 19th and 20thcenturies that consisted of the construction of extensive sewer systems. The operation and construction of these systems continue today with little maintenance, replacement and/or renovation. In the 1980’s, inspection techniques and pipe condition rating systems were developed in the United Kingdom to determine, for the first time, the condition and state of these critical sewerage pipelines that have been in service for…