Brandon Shores Power Plant (BSPP) has a proactive inspection and repair program for circulating water and service water pipelines, including prestressed concrete cylinder pipe (PCCP), steel pipe, ductile iron pipe, and others with diameters...
While attempting to install telecommunications lines below a creek, a driller punctured a buried, 48 in. dia. prestressed concrete cylinder pipe (PCCP). The pipe is part of Columbus’s water system that supplies water to more than one...
Constructed in the early 1980s by the Arizona Public Service Company, the water reclamation supply system at Palo Verde Nuclear Generating Plant consists of thirty-six miles of prestressed concrete cylinder pipe (PCCP), with diameters ranging...
In 2010, Miami-Dade Water and Sewer Authority (MDWSA) instituted a continuous inspection and repair program for their 48 in. to 96 in. dia. prestressed concrete cylinder pipes (PCCP). With brief periods to perform repairs and field conditions (e....
The 144 in. dia. circulating water pipeline at Fermi 2 consists of two intake lines between the reservoir and condenser and two discharge lines between the condenser and two cooling towers. All four pipelines are prestressed concrete cylinder...
The Muskegon County Wastewater Management System's pipeline is an 11 mi, 66 in. dia. prestressed concrete cylinder pipe (PCCP) that carries raw domestic and industrial sewage. SGH investigated the failure of a 20 ft pipe segment, performed a...
Prestressed concrete cylinder pipes (PCCP) are extensively used in the cooling system of power plants. SGH evaluated the seismic performance of buried PCCP pipelines in low, moderate, and high seismicity regions and recommended design changes to...
The 252 in. dia. concrete pipe is used in siphons to convey water in the Central Arizona Project and is the largest diameter pipe in the world. The pipes have a 19.625 in. thick concrete core and two prestressing wire wraps. Using electromagnetic...
Prestressed concrete cylinder pipe (PCCP) have been used for water transmission systems for more than sixty-five years. Therefore, utilities need effective means to identify distressed or deteriorated pipe, estimate levels of distress, analyze...
Prestressed-concrete cylinder pipe (PCCP) makes up a significant portion of pipelines for the world's water, wastewater, and cooling water systems. Distress to PCCP can include broken wires, cracked core, or corroded steel cylinder. Renewal of...
Washington Suburban Sanitary Commission (WSSC) has been using carbon fiber reinforced polymer (CFRP) liners for repair of prestressed concrete cylinder pipe (PCCP) since mid-2000s. As part of its repair program, WSSC also performs investigations...
The joint transmission main (JTM) is part of the 38 mile long Joint Regional Water Supply System, operated and maintained by the South Coast Water District in California. The pipeline, made of 60 in. diameter PCCP manufactured in early 1960s,...
Washington Suburban Sanitary Commission (WSSC)’s condition assessment and repair program on critical transmission mains continued in spring 2016 with a record-breaking project where a total of forty-one 60 in. to 66 in. diameter prestressed...
This webinar addressed the issue that transient activity within water pipelines causes wire breaks in pre-stressed concrete cylinder pipelines (PCCP). The webinar also discussed how the cause of the transients can be determined and how, by...
Buried pipelines may be subjected to external live load effects not considered in the initial design during normal operation or during nearby construction activities. External live loads may be in the form of truck loads,...
The North Texas Municipal Water District (NTMWD) is a water conservation and reclamation district created by an act of the Texas Legislature in 1951. Today NTMWD’s Regional Water System provides drinking water to over 1.6...
Prestressed concrete cylinder pipeline (PCCP) condition assessment methods include an acoustic wave propagation testing technology (ePulse) to identify sections of pipeline with reduced structural stiffness. A recent innovation, ePulse,
Arizona Public Service Company’s Cholla Power Plant has four units with circulating water lines made of 66 in. to 72 in. diameter prestressed concrete cylinder pipe (PCCP) in Units 2, 3, and 4. PCCP in these three units has been in
Hydrostatic pressure tests of prestressed concrete cylinder pipe (PCCP) with bands of broken wires and lined with carbon fiber reinforced polymer (CFRP) have shown that certain CFRP laminates used as liners for remediation of distressed
Abstract: This paper presents the results of a three year research program on carbon fiber reinforced polymer (CFRP) renewal of Prestressed Concrete Cylinder Pipe (PCCP) sponsored by Water Research Foundation to form the theoretical and...
In a recent interview, Simpson Gumpertz & Heger (SGH) Senior Principal Rasko Ojdrovic gave an overview of his experience with pipelines and discussed some challenges of this work.