• A sewer worker enters a manhole for one more look late in the day, just to check one final thing. He does this without an entry permit, a harness and tri-pod or a safety person on the surface. His co-workers, not knowing what he is doing, miss him. They look in the manhole and he is not there. He is found an hour or so later, dead at the sewage treatment plant.
More than eight years ago, representatives of municipalities and consulting engineers were asking that industry neutral training be made available, particularly applicable to the inspection of pipeline rehabilitation projects.
NASSCO (National Association of Sewer Service Companies) closed out an eventful and successful 2012 marked by continued growth in membership and impressive advances in the organization’s educational programs.
NASSCO, the National Association of Sewer Service Companies, recently conducted its first-ever Pipeline Assessment Certification Program (PACP) course in Spanish. Held in Bogotá, Colombia, on Oct. 17-18, the instruction included the recently-translated PACP manual and training materials.
Pipe bursting is a trenchless replacement method in which an existing pipe is broken either by brittle fracture or by splitting, using an internal, mechanically applied force by a bursting tool. At the same time, a new pipe of the same or larger diameter is pulled in, replacing the existing pipe.
Pipe bursting is a reliable and proven method of replacement of deteriorated or under capacity utility lines. The IPBA has developed a recurring series of technical articles and this article will be written with the understanding that the reader has an advanced knowledge of the pipe bursting process.
Pipe bursting is a well-established and proven method for replacement of an existing underground utility throughout the world. The growth of pipe bursting as a method of choice is directly related to the success of installations and the comfort level utility system owners have with the technology.
NASSCO, the National Association of Sewer Service Companies, has recently released Suggested Standard Specification for Pressure Testing and Grouting of Sewer Pipe Joints, Laterals and Lateral Connections Using the Packer Method with Solution Grouts.