Establishing Baselines For Pipeline Condition Master Planning

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by Rod Thornhill,
Irvin Gemora,

Document Type: Proceeding Paper

Part of: Pipelines 2002: Beneath Our Feet: Challenges and Solutions

Abstract: As our most of our cities approach complete built-out and much of our wastewater pipelines near the end of their design life, attention needs to be focused on retiring deteriorated first generation pipelines and building the second generation of wastewater pipeline infrastructure. However alack of standards for pipeline assessment and grading has been a significant impediment to development of a mature wastewater pipeline renewal industry. Renewal of sewers in most communities is project driven rather than the product of along range master plan. Long term planning of improvements requires not only an assessment of existing pipeline conditions but also an estimate of deterioration rates and subsequent future pipeline conditions. The limited amount of utility-specific data on deterioration rates makes the projection of future deterioration rates difficult. What is needed is a standard way of assessing pipelines and establishment of condition baselines. The baselines can then be used to establish level of service and rates of deterioration. NASSCO is implementing a Pipeline Assessment and Certification Program (PACP) to provide standardization and consistency in the way we evaluate sewer pipe condition and how we manage TV inspection results. The goal of the NASSCO PACP is to create a comprehensive and reliable reservoir of data to describe the sewer pipe that can be used in prioritization, planning and renovation of wastewater collection systems.

Subject Headings: Deterioration | Wastewater management | Sewers | Industrial wastes | Urban areas | Building design | Pipeline design |

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