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Project Description: The project renovates a portion of the Waterfront Trail within the Washington Park Arboretum. The scope includes replacing and/or renovating the existing floating and on grade trail segments on Foster Island including site furnishing and plantings. Additive #1 is additional trail construction including construction of a 29 linear foot gangway, a 97 linear foot bridge, and two pile supported concrete platforms. Additive #2 is the construction of an on- grade HDPE pipe supported boardwalk.Engineer's Estimate: Base Bid: $960,000.00, Additive#1: $510,000.00, Additive#2: $1,271,445.00 Project Location: 2300 Arboretum Dr E, Seattle, WA 98112

Please see the Attachments section for specifications and attachments.

Release Project Date:December 17, 2025Pre-Proposal Meeting (Non-Mandatory):January 8, 2026, 10:00amOnline Teams Meeting:Meeting Subject: PW#2022-048 Washington Park Arboretum Trail Pre-Bid Meeting (Optional) Meeting Link: https://teams.microsoft.com/meet/27188190639096?p=vFsSKgSFI5wg1L5bl3 Dial in by phone: +1 206-686-8357,,331496251# United States, Seattle Phone conference ID: 331 496 251#Question Submission Deadline:January 15, 2026, 5:00pmBid Open Date:January 28, 2026, 2:00pm

Farhat KohistaniAssistant, Capital Projects Coord.300 Elliott Avenue West, Suite 100Seattle, WA 98119Email: farhat.kohistani@seattle.govPhone: (253) 308-6228

Ian HernandezSr. Construction Contracting Specialist700 5th Ave, Ste 4350Seattle, WA 98104Email: ian.hernandez@seattle.govPhone: (206) 684-0128