Technical Papers

Paper Archive

An Advanced Method of Condition Assessment for Large-Diameter Mortar-Lined Steel Pipelines
This paper describes the development and application of an advanced method of condition assessment for large-diameter, cement mortar-lined steel pipelines operated by the Hetch Hetchy Water and Power Project of the San Francisco Public Utilities Commission. [ Paper ] [ Presentation ]

When to Intervene? Using Rates of Failure to Determine the Time to Shut Down Your PCCP Line.
Performing structural evaluations of aged civil engineering structures has traditionally been performed on a static basis. The condition of the structure is tested either destructively or non-destructively to determine its present day condition.

Pipeline Condition Assessment. The Essential Engineering Step in the Asset Management Process
Condition assessment is a critical step in the asset management process. It is the point at which problems and challenges are understood and crystallise into definite plans, both operational and financial.

An innovative solution for loss reduction & asset management in trunk mains
In the past, the focus for leak detection programs in water delivery systems has been primarily on distribution (reticulation) networks and service connections. Even today, trunk main leaks tend to be addressed only when there is a pipe rupture

Expansion of Existing Monitoring System on Man-Made River Project Using Acoustic Fibre Optic Technology
Located in Libya, the Man-Made River pipeline is the one of the largest water projects in the world, with more than 4000km of mainly four metre diameter prestressed concrete cylinder pipe (PCCP) in operation.

ASSESSING SEWER FORCE MAINS
Pure Technologies provides innovative technology and engineering solutions to manage pressurized pipelines and specializes in condition assessment of sewer force mains.

SmartBall - A new approach in pipeline leak detection
Early detection of leaks in hazardous materials pipelines is essential to reduce product loss and damage to the environment.

Practical Asset Management
This paper summarizes two prestressed concrete cylinder pipe (PCCP) assessment projects, including the findings of the inspections and the decisions that WSSC was forced to make in light of the inspection results.

City of Phoenix Superior Pipeline PCCP Investigation and Assessment
The City of Phoenix is currently in a multi-year program to investigate 150 miles of prestressed concrete cylinder pipelines (PCCP). The failure of a 60-inch pipeline focused the efforts of the investigation to a pipeline known as the “Superior” pipeline