RFP-Biosolids and Residuals Hauling Services
| Location: |
Washington |
| Posted: |
Feb 20, 2026 |
| Due: |
Mar 2, 2026 |
| Agency: |
King County |
| Type of Government: |
State & Local |
| Category: |
- V - Transportation, Travel and Relocation Services
- Z - Maintenance, Repair or Alteration of Real Property
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| Solicitation No: |
KC001580 |
| Publication URL: |
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Abstract: G&S Solicitation KC001580,2
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Title
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RFP-Biosolids and Residuals Hauling Services
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Solicitation Type
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G&S Solicitation
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Status
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Active
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Buyer
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Stephanie Wong
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Email
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SWong@kingcounty.gov
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Synopsis
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King County is soliciting proposals from interested and qualified suppliers to provide hauling services for biosolids, grit, screenings, and liquid wastewater residuals.
To attend the optional site visits on February 9, 2026, at 9:00 a.m. PT (South Treatment Plant) and February 11, 2026, at 2:00 p.m. PT (Loop Vehicle Maintenance Facility), see information in the RFP document.
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Addendum Description
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Addendum 2 has been issued. Suppliers must acknowledge all addenda before submitting a response. If a supplier has already submitted a response, they MUST log into the E-Procurement Supplier Portal, acknowledge the addendum, and resubmit.
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Attachments
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KC001580-addendum 2-documents.zip
(257.58 KB)
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KC001580-rfp-documents.zip
(10.56 MB)
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KC001580-addendum 1-documents.zip
(924.8 KB)
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Open Date
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1/30/26 07:00:00 AM
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Close Date
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3/2/26 02:00:59 PM
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Posting Date
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2/20/26
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KC Solicitation NAICS Code(s)
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484110;484121;484122;484220;484230
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Small Business Requirements Apply?
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Yes
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Department
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NATURAL RESOURCES AND PARKS
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Division
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WASTEWATER TREATMENT
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