The South Lake Union Streetcar: Construction Guide

Happy New Year! In January 2007, the Seattle Streetcar Team will continue work on Seattle Public Utilities (SPU) water supply and drainage facilities, complete excavation activities at the Streetcar maintenance facility and approach completion of the streetcar trackway along Fairview Avenue North . Trackway will also be installed at three high traffic intersections.

The contractor plans to achieve substantial completion of Seattle City Light (SCL) Downtown Network power distribution infrastructure. The new facilities eliminate conflicts between the Streetcar trackway and existing SCL infrastructure.

For the month of January 2007 most construction will occur in these areas:

• Westlake Avenue Corridor, between 7th Avenue and Valley Street
• Fairview Avenue Corridor, between Valley Street and Yale Street
• Terry Avenue Corridor, between Thomas Street and Valley Street

TRACK CONSTRUCTION

Excavate, construct rail, and pour track slab. This work features a shallow trackway excavation and installation of rail. Construction will typically occur during normal business hours and will not require road closures.

Complete installation of streetcar rail along Fairview Avenue North .

• Duration: complete by January 25 th
• Traffic control: Maintain one northbound and southbound traffic lane. Limited left turns.

• Private Development: None
• Stakeholder Outreach: Notifying and coordinating construction with area stakeholders that include Fred Hutchinson Cancer Research, Chandler ’s Cove, Daniel’s Broiler and SLU Residence Inn.

Complete Track Installation on Mercer Street at the Terry Avenue and Westlake Avenue Intersections.

• Duration: Work starts week of January 8 th, complete by January 22nd
• Traffic control: Traffic restricted to one eastbound lane.
• Construction times: 10:00 p.m. to 6:00 a.m.

Start Track Installation at the intersection of Valley Street and Westlake Avenue

• Duration: Work starts week of January 22 nd, complete by January 31st
• Traffic control: Traffic restricted to one westbound lane with local detour, eastbound traffic rerouted to Mercer Street . Detour routes provided.
• Construction times: 10:00 p.m. to 6:00 a.m.

TERRY AVENUE ADVANCE UTILITY WORK
Complete storm and water improvements at the intersection of Terry Avenue and Harrison Street .

Excavate, shore, Install track drain, upgrade water services and backfill. This work will require deep excavation (10 to 25 feet deep).

• Duration: Work starts week of December 26 th, lasts 3-4 weeks
• Traffic control: Intersection at Terry Avenue and Harrison closed to through traffic.

WESTLAKE AVENUE UTILITY WORK
Complete installation of a SCL electrical ductbank on Seventh Avenue from Virginia Street to the north side of Westlake Avenue .

Excavate, shore, set conduit, and backfill approximately a 3’ wide trench. This work will require deep excavation (12 to 18 feet deep).

• Duration: January 8 th to January 26 th
• Traffic control: Traffic limited to one or two lanes each way near construction zone.

Complete installation of a 12” waterline on Westlake Avenue between Denny Street and Thomas Street .

Excavate, set and test 12’ waterline, and backfill approximately a 3’ wide and 4’ deep trench. Transfer and abandon 8-10 water services.

• Duration: Complete by January 31st
• Traffic control: Traffic limited to one/two lanes near construction zone. Westlake restored to 4 lanes at 3:30 p.m.

Start work to install track drain leads between Denny Street and Mercer Street .

Excavate, shore, install track drains and back fill. This work requires deep excavation(10 – 20 feet deep).

• Duration: December to the end of January
• Traffic control: Traffic limited to one/two near construction zones. Westlake restored to 4 lanes at 3:30 p.m.

MAINTENANCE FACILITY

Complete site excavation, start installing foundation and concrete floor slab.

Previous Month Constructions Reports:

August 2006

September 2006

October 2006

November 2006

December 2006