Arkema Interim Action-Phase 1 2026

Bid Number:

072026-1051

Estimated Cost Range:

$6,500,000 to $7,000,000, plus Washington State Sales Tax (WSST)

Procurement Summary:

The Work required for this Project includes:

Containment Wall: the work consists of constructing a continuous wall with a self-hardening slurry that consists of a mixture of ground granulated blast furnace slag, select clay and water to form a low permeability barrier to contain groundwater. The wall shall be keyed into the second site aquitard by vibrating beam methods.
Site Preparation and Wall Area Capping: the existing site will require preparation, excavation, fill, grading, demolition, surcharge, and temporary work prior to containment wall installation. An impervious cap consisting of imported soil, geotextile and a PVC liner will be placed over the wall area following wall installation to reduce stormwater infiltration within the containment wall.
Stormwater Conveyance Improvements: one new 30-inch outfall and one existing 36-inch outfall will be modified as part of the Work. Outfall construction and modification include piping, vaults, headwalls, steel piling installation, check valves and cofferdams. A collection and conveyance system will be installed to connect the wall cap area to new and existing outfalls.

Contact:

Michelle Walker, Procurement Analyst

Notes:

Special Conditions: Partial funding of this project is being provided by the Washington State Department of Ecology. All terms and conditions included in the grant agreement between the Port of Tacoma and Washington State Department of Ecology are fully incorporated into the agreement with the Contractor.
Pre-Bid Conference and Site Tour not mandatory.
PA000000403

Bids Due:

Thu, 09/10/2026 - 02:00PM

Pre-Bid Conference and Site Tour:

Thu, 08/20/2026 - 09:00AM

Questions Due:

Thu, 09/03/2026 - 02:00PM

Documents: