Old Pipe, New Tricks: A Pragmatic Approach to Partially Deteriorated Pipeline Rehab Design

摘要

This paper presents the background, alternatives analysis, and design approach for the trenchless rehabilitation of a 1.5 mile, 30-inch culinary water pipeline, with an emphasis on the resources and calculations used to design the liner for a "partially deteriorated" host pipe. The benefits in terms of constructability and cost are compared for the "partially deteriorated" versus "fully deteriorated" design requirements. The subject matter is germane for pipeline designers and city asset managers faced with the challenge of rehabilitating deteriorating infrastructure.