Lower Mapes Creek Restoration Project
The Lower Mapes Creek Restoration Project moves creek flows out of a storm drain pipe into a dedicated pipe that then will flow into an open, natural creek channel through Beer Sheva Park to Lake Washington. This project will increase the quality and amount of habitat along the Lake Washington shoreline for threatened juvenile Chinook salmon by creating additional riparian habitat and provide an environmental amenity in the park for everyone to enjoy and experience. The project will also include pathway improvements, a new pedestrian bridge over the creek channel and a new art piece within the park. These envisioned improvements can be seen in the graphics shown at right.
The Lower Mapes Creek Restoration Project will be constructed jointly with Seattle Public Utilities’ 52nd Ave. S. Combined Sewer Overflow (CSO) Reduction Project. The joint project will include the installation of new pipes in 52nd Ave. S. right-of-way from Rainier Ave. S. to S. Henderson St., and the S. Henderson St. Right-of-way, from 52nd Ave. S. to Beer Sheva Park.
The current construction schedule is as follows:
- The construction contract has been awarded to MidMountain Contractors, Inc.
- The Notice to Proceed was issued to MidMountain on December 5, 2013
- Expected start for onsite construction January 2014
- Construction complete by October 2014*
- Plant establishment through September 2015*
*Date depends upon the construction of Mapes Creek channel in Beer Sheva Park
The Mapes Walkway is expected to be closed from mid-March through July 2014.
Temporary Construction Impacts
Traffic around the park will be affected, but access to the boat launch will be maintained throughout construction. General construction impacts will include closure of portions of Beer Sheva Park, temporary closure of the 52nd Ave. S. Walkway and delays to traffic and Metro transit service on S. Henderson St. and Seward Park Ave. S.
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