Parcel 114 Site Cleanup Interim Action Excavation

Bid Number:

PA000000343

Estimated Cost Range:

$4,300,000 to $5,000,000, plus Washington State Sales Tax (WSST)

Procurement Summary:

Dewatering, excavation and disposal of contaminated soils, treatment of in-situ soils with ferrous sulfate, amending gravel borrow before backfilling excavated areas and vegetation restoration.

Contact:

Michelle Walker, Procurement Analyst

Notes:

Site Visit not required.
BID OPENING MOVED TO FRIDAY, SEPTEMBER 5, 2025 @ 10:00 am

Bids Due:

Fri, 09/05/2025 - 10:00AM

Pre-Bid Conference and Site Tour:

Mon, 08/25/2025 - 11:00AM

Questions Due:

Wed, 08/27/2025 - 02:00PM

Documents:

92839_-_pot_parcel_114_site_cleanup_project_manual.pdf (43 MB)

92839_-_pot_parcel_114_site_cleanup_drawings_-_signed.pdf (50.26 MB)

pot_pa000000343_addendum_no._01_with_attachment.pdf (9.3 MB)

pa000000343_prebid_sign_in_sheet.pdf (214.85 KB)

pa000000343_q_and_a_02.pdf (117.31 KB)

pa000000343_holders_list_9_4-25.pdf (91.18 KB)

pa000000343_preliminary_bid_results.pdf (182.96 KB)

pa000000343_bid_tab.pdf (111.23 KB)