New Westminster Columbia Section Rehabilitation—Large Diameter Sliplining
Publication: Pipelines 2024
ABSTRACT
Metro Vancouver is responsible for the conveyance and treatment of wastewater for the Greater Vancouver area which is home to approximately 2.5 million residents. Sections of the wastewater conveyance system are reaching the end of their design life or have experienced accelerated degradation due to corrosive conditions. One such sewer is the New Westminster Interceptor (NWI) Columbia Section, which is a 1.6 km concrete sewer ranging from 1,067- to 1,524-mm diameter. Metro Vancouver has performed temporary repairs along the Columbia Section over the past 20 years. Jacobs was retained as the design engineer to develop a long-term solution and provided construction engineering services for trenchless rehabilitation of the NWI Columbia Section by sliplining the existing concrete pipe with new fiber-reinforced polymer (FRP) pipe. This paper provides an overview of the project and presents a case study of the challenges as they relate to the Owner, Engineer, and various stakeholders.
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REFERENCES
AECOM. (July 2016). NWI Interceptor Assessment. Prepared for Metro Vancouver.
CH2M HILL Canada Limited. (April 2015). New Westminster Interceptor (NWI) – Columbia Street Section Site Visit. Prepared for Metro Vancouver.
CH2M HILL Canada Limited. (June 2015). New Westminster Interceptor (NWI) Columbia Section Rehabilitation Pre-design Report. Prepared for Metro Vancouver.
Inlailawatash Limited Partnership. (December 2019). New Westminster Interceptor (NWI) Archaeological Overview Assessment. Prepared for Metro Vancouver.
Jacobs Engineering Group Inc. (Jacobs). (December 2019). New Westminster Interceptor Columbia Street CCTV Inspection Review. Prepared for Metro Vancouver.
Levelton Consultants Ltd. (Levelton). (February 2015). Columbia Street Environmental Management Plan. Prepared for Metro Vancouver.
Metro Vancouver. (December 2013). New Westminster Interceptor Condition Assessment.
Metro Vancouver. (October 2015). NWI Columbia Section – Structural Assessment of Manhole No. A, 4, 5 & 5A.
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Published online: Aug 30, 2024
ASCE Technical Topics:
- Composite materials
- Concrete pipes
- Construction engineering
- Construction methods
- Engineering materials (by type)
- Fiber reinforced composites
- Fiber reinforced polymer
- Geotechnical engineering
- Infrastructure
- Lifeline systems
- Materials engineering
- Pipeline systems
- Pipes
- Polymer
- Public transportation
- Rail transportation
- Rehabilitation
- Sewers
- Subways
- Synthetic materials
- Transportation engineering
- Trenchless technology
- Tunneling
- Tunnels
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