Projects with Slip Lining

Construction of Douglas Road Main No.1 Sliplining Project

The scope of work encompassed the rehabilitation of approximately 380m of 36" (914mm) diameter steel water pipeline for the Douglas Rd. Main No. 1 section, from Delta Ave. to Beta Ave. in Burnaby BC. The selected method of rehabilitation was …

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Sewer Rehab Victoria

PW Trenchless and the City of Victoria engaged in the Rehabilitation of an almost 100 year old Sewer. Victorian era Victoria B.C. quickly outgrew it's existing cemetery by the early 1870's. The City purchased 12 acres from Robert Burnaby Ross Bay …

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HWY 1 Culvert Slipline at Chilliwack Airport

While rehabilitating the Trans Canada Airport Culvert, it was decided to employ a full Sliplining method in order to repair the second culvert. New culvert pipes that are slightly smaller than the existing culvert were delivered to the south end …

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Richmond Box Culvert Re-line

Throughout the 1950's and 60's the City of Richmond had a program of infilling their ditches with large cast-in-place box culverts. These concrete culverts are in great shape but their joints are failing. Over the years this has caused continuous …

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Hwy 99 Oak Street Bridge

The Highway 99 Oak Street Bridge project is a classic example of our signature process -- "The Culvert Way" . For a deep dive click here. 

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Highway 99 Culvert Replacement Delta

Over the years P W Trenchless has rehabilitated over 10 of the large diameter culverts that run under Highway 99 South of the George Massey tunnel. Because these culverts are all multi-plate pipe arches and are exit-controlled type culverts, they …

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