City of Tacoma – RFB – Cowlitz River Barrier Dam Left Side Scour Area Infill – PW20-0378N

Due Date: January 21, 11 AM
Pre-Proposal Meeting: A pre-proposal meeting will be held on Thursday, January 14, 2021 at 10:00 a.m. in the Mayfield Project Office, 253 Hydro Ln, Silver Creek, WA 98585.
Project Scope: Construction of a rock infill at the Cowlitz River Barrier dam. Scouring ha removed material from the upstream left side of the dam. Filling the area with rock will maintain stability and prevent
undermining of the dam. The project consists of three (3) different zones of fill material of varying graduations as defined in the Technical Specifications.
Estimate: $350,000 – $400,000

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Addendum 1 – 01/06/2021

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