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We are writing to provide you the latest information about our hospital addition construction project and the timing of the demolition of the Northcliffe building on the corner of Seneca Street and Boren Avenue.

Demolition Activity for Feb. 18-24
Over the week of Feb. 18, we will continue to remove debris from the site. A large excavator with a long arm capable of reaching out 154 feet to be used for the Northcliffe demolition is scheduled to arrive Tuesday, Feb. 19. Due to the size of this equipment, it will take three separate truck loads to bring it to the site.

Increased Safety Measures
On Friday, Feb. 22, there will be increased personnel on and around the site, including Seattle Police officers, to direct traffic and monitor activity to better ensure the safety of all during this demolition phase. Prior to demolition, fencing will be moved to the street, and sidewalks will be closed throughout the demolition. At that time, pedestrians will be directed to sidewalks across the street from the site. While demolitions often attract attention, pedestrians and onlookers are advised to use added caution whenever around an active demolition site. 

Weekend Demolition Schedule
The demolition of the Northcliffe building is scheduled for the weekend of Feb. 23 and 24. This weekend activity was recommended by the city and specially permitted to occur outside of normal construction hours.

This weekend work is scheduled to begin at 6 a.m. on Saturday and Sunday mornings, with traffic control measures, placing of signage and other protection measures beginning at 6 a.m., and actual teardown activity beginning between 7:30 and 8 a.m. each morning.

On Saturday, activities are scheduled to conclude by 8 p.m., although the exact time is somewhat dependent on the building's stability. Work on Sunday is anticipated to conclude a little earlier.

Noise Mitigation
This activity will result in increased noise levels and disruption. To minimize disturbance, activities will be limited to permitted construction hours. We are also regularly monitoring noise levels around the site to ensure they are within acceptable, permitted levels. No doubt this activity will be disruptive. We thank you in advance for your patience and encourage you to contact us with any concerns.

Street Closures
Spring Street - Spring Street between Boren and Terry avenues will be closed intermittently throughout the week, and it will be closed over the weekend of Feb. 23 and 24.

Boren Avenue - During the week of Feb. 18, trenching and excavation work along Boren between Spring and Seneca will continue. The outer southbound lane of Boren is closed and will remain closed into March. The inner southbound lane may be closed intermittently during weekdays as needed. During demolition hours on Feb. 23 and 24, both southbound lanes of Boren will be closed for safety purposes. Whenever both southbound lanes are closed, traffic control will be set up to allow one lane of travel in each direction on Boren. 

Seneca Street - Seneca will be closed from 6 a.m. Saturday, Feb. 23, to late evening Sunday, Feb. 24, due to the demolition.

Installation of Construction Offices on Terry Avenue
We are continuing to build construction offices in the parking area just south of the Baroness Apartments (1005 Spring Street). On the morning of Wednesday, Feb. 20, the Terry Avenue side parking lot will be closed until noon. During this work, we will accommodate access in and out of the Chasselton Apartments garage. We anticipate completing this work by the end of February.

Installation of a Temporary Hospital Exit
Preparations are being completed to construct a new temporary exit stairway from the seventh floor roof terrace down to the Emergency Department sidewalk on Spring Street, which will result in the permanent closure of the existing alley exit.

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

As always, for more information about the addition, please visit:

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

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