Lining Raise-Bore Shafts

When raise boring is used, a circular excavation is roduced either between two existing levels in an underground mine or between the surface and anexisting level in a mine.

The Outstanding Infrastructure Project

Project Name:
Sound Transit Roosevelt Station (N150)

Location:
Seattle, WA

Shotcrete Contractor:
Superior Gunite

Architect/Engineer:
Jacobs Associates

Material Supplier/Manufacturer:
Stoneway Concrete

Equipment Manufacturer:
Western Shotcrete Equipment

General Contractor:
Hoffman Construction

Project Owner:
Sound Transit

Northern Boulevard Crossing Tunnel CQ039

The Northern Boulevard Crossing tunnel is a crucial link for the East Side Access Program inking Long Island Rail Road trains to Grand Central Station, New York City.