Organization

Date

Parking Mitigation Stakeholders Meeting

Feb. 20, 2014

1

Tunneling Machine’s Main Bearing and Seal System

Main bearing Seal system

2

Seal system gaps on the SR 99 tunneling machine

Inner-seal gap Outer-seal gap

Outer-seal gap Inner-seal gap

3

South Portal Construction

Photo from Jan. 24, 2014. 4

North Portal Receiving Pit Construction

Photo from Jan. 9, 2014. 5

Photo from Jan. 30, 2014.

South Atlantic Street Overpass Opened Jan. 27

6

Work Begins to Build Road Connections in the North End

Work includes:

• Connecting the tunnel’s north

portal and Aurora Avenue North.

• Building SR 99 on- and off-

ramps.

• Extending Sixth Avenue North

between Harrison and Mercer

streets.

• Relocating utilities, adding

stormwater control and new

signage. Shaded area indicates project area.

7