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