Repair Facing South After
After repair facing south under 7th avenue
Repair Facing South Before
Before repair facing south under 7th avenue
Repair Facing North2 After
After repair facing north under 7th avenue
Repair Facing North 2 Before
Before repair facing north under 7th avenue
Repair Facing North After
After repair facing north under 7th avenue
Repair Facing North Before
Before repair facing north under 7th avenue
Repair Facing East After
After repair facing east on Broadway
Repair Facing East Before
Before repair facing east on Broadway
Concrete Mixture
This creates a new interior tunnel surface a minimum of 4" thick
Concrete Mixture
A concrete mixture (shotcrete) was then blown onto the walls and ceiing of the tunnel
Heavy Wire Mesh
Heavy wire mesh fabric was attached to the tunnel walls and ceiling leaving a 2" gap between the wire and the surface
Categories: Extensive Tunnel Repair, Gallery