During the week of May 1, crews will continue sidewalk and landscaping work along the sides of the 1063 Block Replacement Project. There will be intermittent lane closures and other impacts to traffic on:

• 11th Avenue
• Capitol Way

There also will be intermittent impacts to pedestrian traffic along 11th Avenue.

During this work, flaggers will be in place and traffic delays are expected to be minimal.

Stormwater system work and impacts

Work to install a stormwater system for the 1063 Block Replacement Project also will continue.

Work includes installing two large stormwater detention vaults, which are designed to manage stormwater, as well as filtration systems. Vaults help to prevent flooding and can reduce erosion on nearby hillsides and in waterways. Once the stormwater system is complete, volume-controlled, pretreated water will be released into Capitol Lake.

The city will maintain storm water vault filters on Columbia Street and Capitol Way, near Union Avenue, which will be part of the stormwater system. The storm water system for the 1063 project has been reviewed and permitted by the City of Olympia.

A second vault will be installed near an access road and railroad path that runs between the east side of the building and Heritage Park, at the bottom of the hill between the park and building site.

Work impacts

While work is performed, an access road and portions of the hillside will be closed to pedestrians, with a detour routing pedestrians to a nearby walking path. Signs will mark areas that are closed to the public.

In addition, there will be some short-term closures to vehicle traffic along the access road when work trucks enter and leave the site. A flagger will be on hand to direct vehicle traffic.Some parking spots in the lot near the General Administration Building will be unavailable during work to install one of the underground stormwater detention vaults, which will be adjacent to the 1063 building.

As part of the work, more than a dozen red alders, among the most common and prolific trees that populate the Pacific Northwest, will be removed from the hillside.

Once the work on the vault is completed, the contractor will perform landscape restoration work by seeding the hillside with plants and installing shrubs that will provide erosion control as well as slope and stream bank stabilization.

Work on the stormwater system is expected to be finished in mid-June.

Watch the project

A camera mounted on the roof of the General Administration Building is pointed at the work site allowing viewers to watch the progress of the construction on the project website. The camera image is refreshed every 15 minutes.

Learn more about the landscaping for the 1063 Building.

Send written comments and questions about the project to: EASmail@des.wa.gov.

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