Arlington Civicplus #PW-T26.002

Construction of Arlington’s 180th Street Roundabout and Related Improvements

The City of Arlington Public Works Department is seeking a contractor for the federally aided 180th Street Roundabout and related roadway, utility, and streetscape work. - Buyer and project: City of Arlington Department of Public Works, Public Works Department; project PW-T26.002 / Federal Aid STGBUM-2691(014), at Smokey Point Boulevard and 180th Street NE in Arlington, Washington. - Scope: Construct a single-lane roundabout and associated stormwater facilities, sanitary sewer and water improvements, roadway and pedestrian lighting, rapid rectangular flashing beacons (RRFBs), sidewalks, curbs, paving, traffic markings, and landscaping. - Named OEMs and specified products: Contech Engineering Solutions LLC (Online CDS2015-4-C stormwater pre-treatment units); Oldcastle Infrastructure (BioPod Biofilter System); and DeepRoot (UB-18-2 root barrier). Each is specified as an approved-equal basis. Builders Exchange of Washington is identified as the plan-room provider, not as a construction contractor. - Quantities: The bid schedule includes 3 CDS pre-treatment units, 3 BioPod units, extensive storm and sanitary sewer and water pipe, valves and other utility structures, specified planting materials, and decorative concrete and other roadway items. See the line-item lists for all stated quantities. - Notable requirements: The project has a 15% Federal Small Business Enterprise goal, Buy America provisions, prevailing-wage requirements, ADA features, traffic control, and stormwater pollution and erosion controls. Construction completion is required within 120 working days after the contract time begins; plant establishment includes second- and third-year maintenance. - Estimated value: The engineer’s estimate is $4,750,000. No construction contractor or award amount is identified.

Description

The project includes construction of a single-lane roundabout at the intersection of Smokey Point Blvd and 180th Street NE. Additional work includes stormwater facilities, pedestrian and roadway illumination, rapid rectangular flashing beacons (RRFBs), new water and sewer facilities, sidewalks, hardscape buffer strips, and landscaping. Bids must comply with the contract documents and addenda, use the provided forms, and include a bid deposit of at least 5% of the total bid. The source lists conflicting response deadlines: October 20, 2026, and October 27, 2026, both at 2:00 PM local time.

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