Washington Bothell Civic Plus #PW-0157

City of Bothell Solicits Bids for Sammamish River & Waynita Creek Restoration Project

The City of Bothell Public Works Department is seeking bids for the Sammamish River & Waynita Creek Restoration project, a large-scale environmental restoration initiative funded by the Washington Department of Ecology and the Bonneville Environmental Foundation. - Government Buyer: - City of Bothell Public Works Department - Project Scope: - Creation of new stream channels and floodplains on the former Wayne Golf Course - Wetland establishment and restoration - Installation of wood habitat structures (Types 1-6) for fish and wildlife habitat - Construction of two pedestrian bridges (100' and 20'), a trail bridge, and temporary bridges for construction access - Extensive landscaping, including planting of native trees, shrubs, grasses, and forbs across multiple plant mixes and acres - Installation of irrigation systems and related components (e.g., Proflo PFXAF7502 hydrant, Apollo 77C-104-01A valve, Febco 825Y backflow preventer) - Stream bypass, in-water work, earthwork, and site stabilization - Erosion and sediment control, turbidity curtains, fish exclusion and salvage measures - Park trail system improvements, including major and minor trails, split rail and temporary fencing - Products & Quantities: - Over 873,000 plant plugs, 2,184 bare root trees, 15,804 bare root shrubs, and thousands of salvaged trees - 7-700 units of various wood habitat structures, 119 helical anchors, 1,200 linear feet of pedestrian bridges, 2,400 sq ft of gravity block wall, and 3.7+ acres of upland riparian plantings - Irrigation systems, compost, mulch, topsoil, and seed mixes for native grasses and pollinator meadows - Unique/Notable Requirements: - Compliance with local and state environmental standards - Mandatory site walk for bidders - One-year plant establishment and maintenance period - Strict in-water work windows and seasonal constraints to protect fish and habitat - Detailed specifications for habitat enhancement and landscaping - No specific OEMs or proprietary vendors are named; irrigation system components reference brands such as Proflo, Apollo, and Febco. - Estimated contract value: $7 million to $7.5 million

Description

The City of Bothell is soliciting bids for the Sammamish River & Waynita Creek Restoration project. The project involves creating a new stream channel and floodplain, establishing wetland areas on the former Wayne Golf Course, and improving the local Parks trail system. Work includes stream bypass, in-water work, earthwork, installation of a 100 ft pedestrian bridge, site stabilization, and landscaping. Funding is provided by the Washington Department of Ecology and the Bonneville Environmental Foundation. A mandatory site walk is scheduled for June 16, 2026, and bids are due by June 29, 2026.

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