(Updated: March 27, 2020)
NEW ARENA AT SEATTLE CENTER CONSTRUCTION NOTICE
Reconnection of the Arena footings continues and this work is currently advancing in the NW corner.
Further demolition work on the south side of the project continues intermittently as areas of concrete are exposed during excavation.
Due to record rainfall in January, nighttime hauling continues and is projected to finish before the end of March. The haul route is detailed in the map below.
Upcoming start times of overnight truck movement:
Friday, March 27th – NO HAULING
Saturday, March 28th – NO HAULING
Sunday, March 29th – NO HAULING
Monday, March 30th – 7 pm start
Tuesday, March 31st – 7 pm start
Wednesday, April 1st – NO HAULING
Thursday, April 2nd – NO HAULING
Friday, April 3rd – NO HAULING
Saturday, April 4th – NO HAULING
Hauling on 1st Ave N will be during the hours of 7pm – 11pm and 5am – 7am. SDOT has approved the use of 2nd Ave for inbound and outbound trucks during the hours of 7am – 10pm Mon.-Fri. and 9am – 10pm Sat., Sun., and Holidays.
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 work
Saturday/Sunday/Holidays: 9 am – 5 pm impact work
North Side – Foundation excavation, new foundation placement, waterproofing and shotcrete work continues during daytime hours only and includes Saturdays and Sundays from 9 am – 5 pm for impact work. All other work will occur as permitted by the MPPCNV.
South Side – Lagging, tieback, deep foundation drilling, foundation placement and excavation work continues. This work is being done during daytime hours only and includes Saturdays and Sundays from 9 am – 5 pm for impact work. All other work will occur as permitted by the MPPCNV.
Installation of the tower crane is complete.
West Side – Foundation excavation, new foundation placement, waterproofing and shotcrete work continues. This work includes Saturdays and Sundays from 9 am – 5 pm for impact work. All other work will occur as permitted by the MPPCNV.
East Side – Construction work including deep foundation drilling, waterproofing, shotcrete, foundation excavation and new foundation placement continues. This work is being done during daytime hours only and includes Saturdays and Sundays from 9 am – 5 pm for impact work. All other work will occur as permitted by the MPPCNV.
Sewer pipe cleaning on 2nd Ave between Thomas St and Harrison St continues. Proper staffing and safety measures will be in place.
South Parcel (south of Pottery Northwest) – Horizontal boring of the tunnel, excavation, lagging and tiebacks will continue over the next several months.
SDCI has granted a TNV that permits the extension of non-impact construction activity within the South Parcel seven days per week during the windows of 10 pm – 7 am (10 pm – 9 am on weekends and holidays). The South Parcel TNV has been issued for work through Monday, April 13th.
Conditions set by SDCI for the South Parcel TNV are as follows:
- Construction of 12-foot noise barrier around perimeter of South Parcel
- Limit impact work such as auger shaking, jack hammering, hoe ram use, or vibratory compacting to the hours allowed by SMC 25.08.425.C;
- Use drilling methods vs impact driving for shoring (i.e., soldier pile walls) and pier installation;
- Prohibit concrete saws during nighttime hours;
- lieu of pure-tone, mobile equipment backup alarms, use strobe warning lights or flaggers when possible. When strobe warning lights or flaggers not feasible, construction contractor will use broadband backup alarms. Also, create site logistics that minimize need for mobile equipment to reverse;
- Prohibit compression brakes;
- Construct enclosures around stationary equipment;
- Perform particularly noisy operations during daytime hours or schedule several noisy operations concurrently rather than separately;
- Employ time constraints for noisy operations to reduce potential impacts during sensitive time periods;
- Provide training to supervisors to increase awareness of construction noise as it relates to the noise-sensitive surrounding;
- Use properly sized and maintained mufflers, and if feasible, engine intake silencers and engine enclosures;
- Turn off idle equipment after no more than five minutes;
- To reduce noise during loading of soils with cobble, employ one of the following mitigation measures if deemed necessary:
- Line tuck beds with rubberized noise-absorbing material. Load large cobble using progressive link excavator buckets or similar and ensure loading is performed by a skilled operator or alternatively;
- Carefully load truck beds first with soils or fine gravels followed by larger pieces of cobble using excavator with progressive link excavator buckets or similar;
- Installation of a 24-hour construction noise monitoring system to log construction site noise.
- An additional Noise Monitoring Terminal, NMT4, has been placed on roof of Avalon Cooperative, a 3-story building located at northwest corner of 1st Ave N and John St.
Bi-Weekly Arena Meeting – All Biweekly Arena meetings are suspended until further notice.
CONSTRUCTION HOTLINE: (206) 401-9896
CONSTRUCTION EMAIL: email@example.com
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