FY26 Willapa Sediment Characterization Service

SOL #: W912DW26QA035Solicitation

Overview

Buyer

DEPT OF DEFENSE
Dept Of The Army
W071 ENDIST SEATTLE
SEATTLE, WA, 98134-2329, United States

Place of Performance

South Bend, WA

NAICS

Environmental Consulting Services (541620)

PSC

Environmental Studies And Assessments (B510)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)

Timeline

1
Posted
Mar 20, 2026
2
Submission Deadline
Apr 6, 2026, 6:00 PM

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The U.S. Army Corps of Engineers (USACE), Seattle District, is soliciting proposals for FY26 Willapa Sediment Characterization Service in Willapa Bay, Pacific County, Washington. This Total Small Business Set-Aside contract requires non-personnel services to characterize sediments for maintenance dredging. The objective is to prepare a Sampling and Analysis Plan (SAP), sample and characterize sediments, and prepare a report for suitability determination by the Dredged Material Management Program (DMMP) agencies. Quotes are due April 6, 2026, at 11:00 AM PST.

Scope of Work

This contract involves providing all personnel, equipment, and services necessary for sediment characterization. Key deliverables include:

  • Development and submission of a Sampling and Analysis Plan (SAP).
  • Collection and processing of sediment grab samples.
  • Physical and chemical laboratory analysis of sediment samples.
  • Data validation and entry into the Environmental Information Management (EIM) database.
  • Preparation of a comprehensive Sediment Characterization Report (SCR). Option items may include additional sampling, various sediment analyses (metals, semivolatiles, pesticides, wood waste), reference sediment sampling, bioassays, and retests.

Contract & Timeline

  • Contract Type: Firm-Fixed Price Purchase Order
  • Period of Performance: Nine (9) months (270 days) from award to completion.
  • Set-Aside: Total Small Business (FAR 19.5)
  • NAICS Code: 541620 – Environmental Consulting Services (Size Standard: $19,000,000)
  • PSC Code: B510 – Environmental Studies And Assessments
  • Response Due: April 6, 2026, 11:00 AM PST
  • Published Date: March 20, 2026

Evaluation & Submission

Award will be made on a Lowest Price Technically Acceptable (LPTA) basis. Quotes will first be evaluated for technical acceptability, then the lowest priced technically acceptable quote will be selected. Technical factors include:

  • Experience: Offerors must demonstrate experience in sediment characterization in coastal/marine environments, SAP generation, sample collection/analysis, data synthesis, and EIM data entry through 2-5 similar projects completed within the last 10 years.
  • Past Performance: Information on up to three relevant contracts from the last 10 years (CPARs or Past Performance Questionnaires). Quotes must be emailed to DELLA.S.OVERTON@USACE.ARMY.MIL with the subject line "RFQ W912DW26QA035". Questions are due two days prior to the closing date.

Additional Notes

Contractors must be registered in the System for Award Management (SAM) prior to award. This opportunity is subject to the Service Contract Act, requiring compliance with specified wage rates and fringe benefits for Pacific and Wahkiakum Counties, WA. The USACE is exempt from state and local taxes.

Primary Contact: Della S. Overton (della.s.overton@usace.army.mil, 206-764-6170)

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Solicitation
Posted: Mar 20, 2026
FY26 Willapa Sediment Characterization Service | GovScope