A closeup of Washington Rock's 3,000-pound sandbags in the water along the Bellevue shoreline. bags of sand are placed in a circle in the water next to the shoreline under the Bellevue side of the I-90 bridge. The concrete pillars of the bridge rise above the water, and the highway takes up most of the skyline. an excavator sits in the water along a shoreline and loads a crawler with rock for removal a side dump trailer dumps replacement streambed sediment rock into a pile under the I-90 bridge a large pile of streambed sediment rock is shown under the I-90 bridge on the Bellevue shoreline an excavator loads a crawler with new streambed sediment rock that will replace old rock along the Bellevue shoreline a crawler prepares to dump a load of new streambed sediment into the water along the Bellevue shoreline

BELLEVUE SHORELINE RESTORATION

Date: Fall 2024
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Description

This project is a continuation of the North Mercer Island/Enatai Sewer Upgrade. After sewer pipes were replaced on the south Bellevue shoreline underneath the I-90 bridge, the shoreline material was replaced with new material that will enhance habitat for salmon and other species.

Materials

Over 800 tons Streambed Sediment

Super Sacks of the following products:
  • 490 tons of CSTC
  • 460 tons of Streambed Sediment
  • 160 tons of Beach Rock Type 2 or 3 (Product Code 0220-3)

Highlights

Washington Rock's bagged sand was used to section off the Bellevue shoreline, allowing fish and other aquatic species to be relocated outside the work zone. Old material was removed from the shoreline and replaced with our state-spec Streambed Sediment. The streambed sediment will provide enhanced habitat for salmon and other species.

Throughout the course of the entire North Mercer Island/Enatai sewer update, we have provided over 4,000 tons of Streambed Sediment and many other materials.

We were able to accommodate diverse transportation requirements, including barge shipping, direct shipping via dump trucks, and freight shipping for palletized Super Sack sandbags. Washington Rock worked with American Construction, JJH Construction, and Walsh Construction Co. to supply and deliver materials.

Read more about the project on King County's website.

Related Projects

POINT DEFIANCE SHORELINE ARMOR REPAIR

ENATAI PIPE REPLACEMENT

JAN ROAD LEVEE SETBACK