PCCP Carbon-Fiber-Liner Repair-Standard-Specifications
Publication: Pipelines 2006: Service to the Owner
Abstract
The Metropolitan Water District of Southern California (MWD) has developed Carbon Fiber Liner standard specifications for retrofitting wire-deteriorating Pre-Stressed-Concrete Cylinder-Pipelines (PCCP). The standard consists of installation details, written specifications, material and contractor qualification requirements, and a design approach consistent with methodologies used by modern pipeline design Engineers. The standard was substantiated through MWD's full scale testing program. The effort was a joint venture between MWD, related industry, and academia. Upon completion of the repair standard, MWD awarded several successful PCCP repair contracts resulting in cost savings over conventional repair methods. Completed contracts include a broad range of PCCP-classifications. Repaired pipe ranged between 69 and 192 inches in diameter, with earth covers between 1 to 3 diameters. The number of carbon fiber layers applied per repair ranged between 2 and 24, for pressures up to 250 psi.
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Information & Authors
Information
Published In
Pipelines 2006: Service to the Owner
Pages: 1 - 8
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Building materials
- Business management
- Carbon fibers
- Concrete cylinder pipes
- Construction engineering
- Construction methods
- Contracts and subcontracts
- Design (by type)
- Engineering fundamentals
- Engineering materials (by type)
- Fabrics
- Fibers
- Infrastructure
- Materials engineering
- Pipe materials
- Pipeline design
- Pipeline systems
- Pipes
- Practice and Profession
- Rehabilitation
- Urban and regional development
- Urban areas
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