City of Tacoma – RFB – Leach Creek Stormwater Holding Basin Modifications ES23-0281F – Due 2/6/24

Due Date: February 6, 11 AM

Pre-Proposal Meeting: A pre-proposal meeting will be held at 10:00 AM on Tuesday January 23, 2024, in the Commencement Bay Conference Room 101 South located and the Center For Urban Waters, 326 East D Street, Tacoma WA 98421. A potential bidder should RSVP to [email protected] by January 23rd, 2024 at 8:00 AM. The Leach Creek Stormwater Holding Basin is a secured facility, therefore immediately after the pre-proposal meeting there will be a walk-through at the site and all bidders are urged to attend this walkthrough.

Project Scope: This work consists of constructing a stormwater channel through a forested wetland to connect the existing pump station forebay with the outfall and spillway structures, construction of an access ramp to the proposed stormwater channel, removal and replacement of an existing overflow riser structure, and the installation of a flexible check valve. Work also includes construction dewatering along with water quality treatment systems, bypass pumping, erosion and pollution control, and site restoration.

Estimate: $2.7 Million

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