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Weekend Work

  • There will be no work Saturday, March 7, and Sunday, March 8.

Monday through Friday

  • Having poured the street level slab along Spring Street, this week we will begin forming the exterior walls on the south side of the site. Eventually, this will form the entrance to the new Emergency Department.

  • As we continue to pour the slab toward Seneca Street, it will sit one floor above the grade of the street.

  • Intermittent concrete pours will continue on Seneca and Boren Avenue throughout the week. Concrete trucks will begin pouring at 8 a.m. on Seneca and 9 a.m. on Boren. Seneca and Boren will be limited to one lane in each direction during the construction pours. Parking on the south side of Seneca also will be unavailable temporarily.

  • Steel deliveries for the foundation continue this week on Seneca and Spring streets. This work requires temporary parking restrictions on the north and south sides of Seneca (6 a.m. to 6 p.m. weekdays, north side; 24 hours/seven days a week, south side).

  • Activities over the next few weeks will continue to focus on pouring footings, columns and walls, laying rebar and installing piping and conduits.

  • Residents may hear an air horn on occasion. This is a safety alert to let workers know a heavy load is about to be lifted across the construction site.

  • Check out our webcam at

Sidewalk and Street Closures

  • Spring Street — Spring and its north sidewalk between Boren and Terry avenues will be closed 24 hours a day. The south sidewalk will be open to pedestrians throughout the week.

  • Boren Avenue — The westward southbound lane on Boren between Seneca and Spring will be closed during normal construction hours and 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.

  • Parking Spaces — The four parking stalls west of Boren on only the south side of Seneca will continue to be closed to parking.

Note on Weekend Work
Since the beginning of the year, Virginia Mason has secured special permits to conduct work on Saturdays to catch up for time lost during the December and early January snowstorms. The adverse weather severely slowed down weekly progress at the construction site. About 15 days of work were compromised during that period when, due to road conditions and conditions around the site, we were unable to pour concrete and perform other necessary activities.

Additionally, our construction efforts have frequently been halted or slowed during the work week in order not to interfere with sensitive patient operations happening in the East-facing operating rooms. Because fewer operations are scheduled on Saturdays, we occasionally can use a Saturday to make up for this lost time. 

Lastly, we conduct our routine monthly crane safety checks on Saturdays. That is a standard industry practice that ensures the safety and security of the tower crane.

We recognize that this has meant we have been working more Saturdays than usual lately, and we apologize for any disruptions and inconvenience this has caused to you. We have regularly provided advanced notice of the construction schedule and any proposed weekend work, and we will continue to do so. 

Moving forward, we can assure you that our intention is to work as few weekend hours as possible. While weather should be less a factor now that we are nearing springtime, crane maintenance and unforeseen circumstances, such as those noted above, will necessitate weekend work periodically. Please know that we recognize the inconvenience this causes for our neighbors and patients, and we are committed to doing everything we can to avoid it.

Commitment to Crane Safety
Virginia Mason and our work team are deeply committed to ensuring 100-percent safety for our neighbors and our team. Visit our dedicated Web page for tower-crane safety information and activities at You may also call our construction hotline, (206) 341-1511, any time to leave questions or concerns. We also ask that you use this hotline as a way to report unusual activity on or around the site.

In Closing
Thank you for your patience throughout the construction period. We apologize for the inconvenience these activities may cause. As updated information becomes available, we will share it with you.

For more information about the addition, including an image and video gallery, please visit

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

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