Siphon Jacking Shaft
(Microtunnel launch shaft)

Overview of site with freeze plant and manifold system to the left and the start of shaft excavation on the right.

Overview of shaft as abandoned sewer line is removed prior to continuing shaft excavation.

Overview of shaft with walls covered with insulation as bottom plug is poured.

Inside shaft after freeze pipe re-routing work, preparing for microtunnel machine exit seal installation.

Inside shaft after microtunnel machine exit seal was installed.

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