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PROJECTS


TUNNELING

Santa Monica Project

Santa Monica Project. Vadnais has recently completed The Santa Monica Low Flow diversion Project. The owner is the City of Los Angeles. The project included the installation of a 63”ID Permalok casing and the installation of a 48 “ID Hobas carrier sewer pipe. The tunnel was constructed through very difficult tunneling conditions under the Pacific Coast Hwy. Project completion was in February 2015.

 

PROJECTS


MICRO-TUNNELING

Newport Beach Rehabilitation Project

Vadnais is currently installing approximately 1,545 LF of 42” Permaloc casing in two tunnel drives under the Pacific Coast Hwy in Newport Beach, Ca. The longest of the tunnel drives is 1,100 LF. Vadnais is working as a subcontractor to Kiewit. The owner of the project is Orange County Sanitation District. The anticipated completion is April 2015.

 

Vadnais

PROJECTS


TUNNELING

Carlsbad Desalination Pipeline Tunnel

Vadnais is constructing 784 LF of 78” Permaloc casing. Vadnais is a subcontractor to Foxfire Constructors on the project. The tunnel is being driven from a 80’ deep secant pile shaft under a major roadway and environmentally sensitive wetland to intersect a recently completed tunnel approximately 110 ft. under the ground surface. A 54” steel pipeline will be installed later by Foxfire. The pipeline will carry water from the newly completed Carlsbad Desalination Plant and Pipeline. The overall project General Contractor is Kiewit/Shea (JV). The project will be completed in late April 2015.

 

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