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We are writing to provide you with the latest information about our hospital addition construction project.

Weekend Work
There will be no work the weekend of May 10 and 11.

Activities for the Week of May 12
Drilling and installation of 80- to 85-foot steel piles will continue through May along the west side of the worksite. Excavation is under way, and we continue to haul soil from the site, increasing truck traffic during normal construction hours (weekdays from 7:30 a.m. to 6 p.m.). We expect excavation work to last into August.

We will continue working in the alley south of Spring Street between Boren and Terry avenues, restoring the alley and the south sidewalk section, before installing another duct bank run from the new vault north to the new hospital addition.

After this is complete, we will go back to Seneca Street to complete the work in front of the John Winthrop Apartments, likely late in the week of May 19 or during the week of May 26.

Sidewalk and Street Closures for Week of May 12

  • Spring Street - Spring Street and its north sidewalk between Boren and Terry will be closed 24 hours a day.

    Although the south sidewalk on Spring had to be closed for two days this past week to allow Seattle City Light to carry out vault work in the alleyway, the south sidewalk reopened Friday, May 9, and will be open to pedestrians throughout the week. If additional work is required in the alley, a wooden pedestrian footbridge will be installed over the alleyway to allow for access and passage.

    The alley west of the Chasselton Apartments will be closed, but allowances will be made for tenants to get in and out of the Chasselton parking garage. There will be inconveniences at times.

  • Boren Avenue - The westward southbound lane on Boren between Spring and Seneca will be closed during normal construction hours and will be open after construction hours. The sidewalk will be closed 24 hours a day.

  • Seneca Street - For the time being, the south sidewalk on Seneca between Boren and Terry will be closed. The north sidewalk will be open this week.

    The first four parking stalls immediately west of Boren on both sides of Seneca will continue to be closed to parking. Additional parking spaces along the north, westbound lane of Seneca may need to be closed, including a Zone 21 Permit Parking Load/Unload area, to ensure the safety of the public and workers on the site.

Once again, we thank you for your patience throughout this period and apologize for any inconvenience these activities may cause. As updated information becomes available, we will be sure to share it with you.

For more information about the addition, including an animated video showing the new building's orientation on the site, please visit:

If you have any questions, comments or concerns about the construction activities, please contact:

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