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Rehabilitation of the Maisonneuve Collector

Trenchless rehabilitation of an egg-shaped brick combined sewer using the sliplining method with custom non-circular FRP pipes involves inserting specially designed fiber-reinforced polymer liners into the existing sewer without excavation. This method preserves the original egg shape for optimal flow, while reinforcing the structure and extending its service life, all with minimal surface disruption.
  • Client:  Infraspec
  • Year:  2021
  • Location:  Canada
  • Client:  City of Montreal
  • Solution:  Channeline NC Liner
  • Application:  Trenchless rehabilitation

1410 ft. (430 m)

of total length

Eggshape 43" x 67" (1100mmx1700mm)

DNs

1.77 M$

Overall investment

IMG_7701

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Rehabilitation of the Maisonneuve Collector

Trenchless rehabilitation of an egg-shaped brick combined sewer using the sliplining method with custom non-circular FRP pipes involves inserting specially designed fiber-reinforced polymer liners into the existing sewer without excavation. This method preserves the original egg shape for optimal flow, while reinforcing the structure and extending its service life, all with minimal surface disruption.
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