Construction Notice 4.30.2021

Posted on

APRIL 30, 2021

Connection of Arena sewer lines to City systems has resumed between Thomas St and Harrison St and will continue through the first week of May. 

As detailed in the map below, connection work will : 

  • 1st Ave N between Thomas St and Harrison St will be limited to one lane of traffic on the East side the weekends of May 1-2, May 8-9 and May 15-16. 
  • This is weekend work only that will be done during daytime hours. 

Along with the Arena opening, the Seattle Department of Transportation has designed improvements that include curbside modifications, enhanced Uptown and Arena access through transit, bicycle and pedestrian improvements.  To learn more about how SDOT and Climate Pledge Arena are improving multi-modal transportation options in the Uptown neighborhood in 2021, visit or

As identified in the map above, street and sidewalk improvements are in progress.  This work will include use of heavy equipment that will be impactful and generate noise and is in progress at the following locations:

  • Street painting on Queen Anne Ave between Mercer St and Thomas St is projected to be done May 17-20.
  • SW corner of Queen Anne Ave and Thomas St is ongoing and will continue through mid-May. This work will require lane closures of both the west lane of Queen Anne Ave between Thomas St and John St and the eastbound lane on Thomas St between Queen Anne Ave and 1st Ave W. These lane closures will be in effect Monday, May 3rd Thursday,  May 6th. 
  • SE corner of 1st Ave N and Republican St. is projected to start as soon as the NW corner is finished and continue through May 7th.
  • SW corner of 1st Ave N and Republican St. is projected to start as soon as the SE corner is finished and continue through the end of May.
  • Street painting at 1st Ave. N and Republican St. is projected to be done May 17-20.

Proper signage, staffing and safety measures will be in place at all locations. 

SDOT approved the use of 2nd Ave for inbound and outbound trucks during the hours of

7 am–10 pm Mon.–Fri. and 9 am–10 pm Sat., Sun., and Holidays.

SDOT approved routes for all hours include westbound on Thomas St. to southbound Queen Anne Ave. N. 

The Arena MPPCNV is activated. 

Construction is allowed 24/7.  Impact work hours are limited to daytime work only.

Construction Impact Work Hours: 
Monday- Friday 8 am – 5 pm impact workSaturday/Sunday/Holidays
9 am – 5 pm impact work

Interior Work – All work will progress during daytime hours, which includes Saturdays and Sundays from 9 am – 5 pm for impact work.  All other work will occur as permitted by the MPPCNV. 

  • Installation of piping for the ice slab continues. 
  • The ice slab concrete pour is scheduled to begin at 4 am on Friday, May 7. Equipment for this work will be contained within the Arena.  This will result in a higher level of overnight truck activity through the Arena tunnel.  
  • Installation of seats is ongoing. 
  • The garage entry is nearing completion. 
  • Interior spaces continue to take shape and work progresses with elements including fireproofing, sprinkler systems, lighting, framing, drywall work, painting and finishing work.
  • Power continues to be switched over from temporary to permanent, where possible. 
  • Installation of Arena ribbon boards is complete. 
  • Catwalk work and installation of lighting in the rigging grid continues. 
  • Tile and millwork continues on multiple levels.
  • Handrails on the upper deck are being installed and prep work for seating installation continues. 
  • Build out of ingress/egress at all four corners continues.  
  • Prep work for the rain collection cistern is underway. 
  • Construction of the Customer Service office continues.

North Courtyard – Renovation of the North Courtyards (upper and lower) continues.  The Courtyards are closed to the public and access will be limited to Seattle Center staff and Resident Organizations.  Proper staffing and safety measures are in place.  Courtyard work will be done during daytime hours only.  As part of the North Courtyard renovation, SDCI has granted approval for the removal of the north segment of the sound wall with the condition that the Arena’s historic curtain wall is sealed. 

Upgrades to the upper NW breezeway between KEXP and The Vera Project will begin on Monday, May 3. Improvements include the removal of the storage rooms, replacement of the concrete and waterproofing, and structural reinforcement of the slab.

Work hours are weekdays 7:00 am – 3:00 pm.  This work is projected to continue through September 1 and the breezeway will be closed to pedestrian access for the duration of the project.

South Parcel (south of Pottery Northwest) – Connection of Arena sewer lines to City systems is suspended until April 17. Per SDOT, this work will be done during daytime hours on weekends only.  All other work will occur as permitted by the MPPCNV. 

Construction activity for utility work on Thomas St. between Warren Ave. N and 1st Ave. N continues.    Pedestrian access is maintained via detours.  Proper staffing and safety measures are in place.

Bi-Weekly Arena Meeting – Open to all, the bi-weekly Arena meetings are open house forums to provide project updates and coordinate with stakeholders including but not limited to local businesses, communities, SDOT, SDCI and Seattle Center resident organizations on construction impacts and efforts to support ongoing activities at Seattle Center and in the adjacent communities. 

Upcoming schedule: 

Date                   Time      Location

May 13th            8 am       Zoom Virtual meeting –


CONSTRUCTION EMAIL:  [email protected]

Follow Climate Pledge Arena on Social Media

Facebook & Instagram: @ClimatePledgeArena

Twitter: @ClimateArena