Mercer Island Pump Station No. 4
Construction of a new sewer pump station on the shore of Lake Washington.
- Construction was over 60’ deep, 45’ below the water level, less than 30’ from the lake shore.
- Construction took place beside and underneath the approach to the I-90 floating bridge.
- Included use of Stellar J’s shoring for a microtunnel into the lake.
- Included construction and landscaping of the lake’s shoreline.