Washington Park Arboretum Waterfront Trail Renovation

City of Seattle
Department of Finance & Administrative Services

BID DATE: 2/18/2026 @ 2:00 PM

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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.

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Estimated Value:        

Base Bid: $960,000.00,  Additive#1: $510,000.00, Additive#2: $1,271,445.00

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​Owner:

City of Seattle
Department of Finance & Administrative Services
Purchasing & Contracting
Seattle Municipal Tower
700 5th Avenue, Suite 4350
Seattle, WA 98104-5008

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Additional Information:

• Prevailing wage rates and Mandatory 15% apprentice requirements apply to this project

• Kassel & Associates, Inc. is an Equal Opportunity Employer. We encourage bids from ALL subcontractors and suppliers including Small, Emerging Small, Native, Alaska Native, Women, Minority, Disadvantaged, Veteran, Vietnam Veteran, Disabled Veteran, 8(a), and HUBZone businesses

• Kassel & Associates, Inc. is signatory to the Carpenter's Union

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Documents:  

Complete plans, specs & addenda for this project are available on-line at Builders Exchange of Washington  http://www.bxwa.com; https://procurement.opengov.com/portal/seattle

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We are an equal opportunity employer and request bids from all interested firms including disadvantaged, minority, and women business enterprises.

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PLEASE FEEL FREE TO EMAIL THE PROJECT ESTIMATOR, MATT VERNON - Bids@kasselandassociates.com

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WA: KASSEAI914OM