Last week crews working for Kiewit Infrastructure West Co. resumed limited work on the North Surface Streets and Battery Street Tunnel projects. Work in these two areas had been suspended since March due to the COVID-19 pandemic. This low-risk work is occurring in accordance with guidance from Governor Inslee and adhering to the state’s required safety plans required of all contractors.
Work on Seventh Avenue North
Above: View looking north along Seventh Avenue North at Thomas Street. The barrels mark where center median construction will resume.
Before work was suspended, crews had begun building the permanent center medians on Seventh Avenue North. Crews will soon begin breaking out asphalt in the middle of the street where the permanent, planted medians will be built. Forming the concrete curbs and landscaping will come later, when additional types of work are approved. Some turn restrictions remain in place between Denny Way and Harrison Street.
Work on Battery Street
Above: Construction equipment staged at the south portal of the Battery Street Tunnel, just west of First Avenue. Restoring this area is one of the elements of the project still to be completed.
There is a substantial amount of work remaining to decommission and fill the Battery Street Tunnel, with construction scheduled to extend into 2021. This includes utility work as well as filling the final (top) seven feet with a low-density concrete. Above ground, on Battery Street, crews still have street restoration activities to complete, such as building ADA-compliant curb ramps and removing and patching over the tunnel’s ventilation grates.
This month crews are beginning limited work inside the tunnel, preparing for the time when tunnel filling can safely resume. When additional construction activities are cleared to resume, crews will begin pouring and forming ADA-compliant ramps along Battery Street at its intersection with First, Second, and Fourth avenues.
“Phase Two” of Governor Inslee’s restart plan will allow a wider range of construction activities. On our project, that will include much of the construction that remains. In addition to the work activities noted above, work will resume at the intersection of Seneca Street and First Avenue. There, crews will rebuild the sidewalk on the west side of First Avenue and do other restoration activities associated with the viaduct off-ramp that used to terminate at the intersection. We encourage our neighbors to subscribe to our construction emails for updates on when that work will resume.