West Coast Hopper Maintenance Dredging 2026

Amendment / Modification

This document is Amendment 0003 to the "West Coast Hopper Contract 2026". It primarily details the "MEASUREMENT AND PAYMENT" section (Section 01 22 00.00 82) of the contract.

Key changes and additions include:

• Detailed specifications for various Contract Line Items (CLINs) related to dredging, placement, and surveys.

• Clarifications on measurement and payment methods for different types of work, including:

  • Mobilization and Demobilization (CLIN 0001, 0013, 0025)
  • Bin Measure to Required Depth (CLIN 0002, 0003, 0008, 0014)
  • Dredging and Channel Clearing (CLIN 0004, 0005, 0006, 0007)
  • Transit Miles for Material Placement (CLIN 0010, 0011)
  • Intra-Project Transit Miles (CLIN 0012)
  • Placement at specific sites like Deep Water Site (DWS), Shallow Water Site (SWS), North Jetty Site (NJS), and South Jetty Site (SJS) (CLIN 0009, 0015, 0016, 0017, 0018, 0019, 0020)
  • Third Party Hydrographic Surveys (CLIN 0021, 0022, 0023, 0024)
  • East Sand Island (ESI) specific operations including Pump-ashore Operations, Surveys, Vegetation, and Avian Dissuasion Mounding (CLIN 0025, 0026, 0027, 0028, 0029, 0030)

• Definitions and requirements for various survey types (Government Surveys, Third Party Hydrographic Surveys).

• Specifications for payment methods, including Bin Measure Areas and Bin Measure to Required Depth Areas.

• Details on the dredging pay prism and how quantities are measured and paid.

• Section 01 22 00.00 82: MEASUREMENT AND PAYMENT

• References to other sections such as 35 20 23.00 82, 35 20 23.03 82, 35 24 13.11 82, 01 10 00.00 82, 01 11 00.42 82, 01 45 00.00 82, and EM 1110-2-1003.

This amendment provides detailed specifications for how work will be measured and paid for under various contract line items. Bidders should review these details carefully to understand the basis for payment and to ensure accurate proposal preparation. It also clarifies survey requirements and timing, which may impact project scheduling and coordination.

Amendment / Modification

This amendment modifies the solicitation W9127N26BA003, dated 30 JAN 2026.

Specifically, it revises CLIN 0009 under paragraph 3.1.6 in section 01 22 00.00 82.

• CLIN 0009
• Paragraph 3.1.6 of Section 01 22 00.00 82

This amendment does not extend the hour and date specified for receipt of offers. Bidders must acknowledge receipt of this amendment as instructed in the original solicitation.

Amendment / Modification

This amendment modifies the solicitation W9127N26BA003, dated 30 JAN 2026.

Specifically, the following changes have been made:

• Added paragraph 3.9.2 under section 35 24 13.11 82.

• Revised paragraphs 3.6 and 3.7 under section 32 90 00.00 25.

• Revised paragraph 3.5.3.c under section 35 24 13.11 82.

• Section 35 24 13.11 82 (paragraphs 3.9.2, 3.5.3.c)

• Section 32 90 00.00 25 (paragraphs 3.6, 3.7)

This amendment is issued pursuant to the authority of FAR 43.103(b) and does not extend the hour and date specified for receipt of offers. Offers must acknowledge receipt of this amendment. Failure to do so may result in rejection of the offer. If a bidder desires to change an offer already submitted, the change must be made by letter or electronic communication referencing the solicitation and this amendment, and received prior to the opening hour and date.

Form / Attachment / Pricing Sheet

This document contains a series of coordinate points, likely representing survey data or boundary information. It is provided as an attachment to a SAM.gov opportunity record.

• The data consists of numerical values, formatted as X Y Z, where X, Y, and Z are likely coordinates (e.g., Easting, Northing, Elevation) in a specified unit (US survey feet, NAVD88 datum).
• Each line represents a distinct point.

This data is crucial for bidders to understand the geographic scope and specific locations relevant to the opportunity. It may be used for site analysis, planning, or as a basis for proposals related to land surveying, construction, environmental services, or other geographically-specific requirements.

Amendment / Modification

This document, AMD #0002, appears to be an amendment to a larger contract, "West Coast Hopper Contract 2026". It contains a "Project Table of Contents" and detailed sections for "DIVISION 32 - EXTERIOR IMPROVEMENTS" (specifically Section 32 90 00.00 25: SITE RESTORATION FOR EAST SAND ISLAND) and "DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION" (specifically Section 35 24 13.11 82: TRAILING SUCTION DREDGING).

• Division 01 - General Requirements: Includes Contract Administration, Contractor's Operations, Summary of Work, Measurement and Payment, Safety Requirements, Reference Publications, Quality Control, Resident Management System, and Environmental Protection.
• Division 32 - Exterior Improvements: Details Site Restoration for East Sand Island, covering site preparation, seeding, products (seed, water, fertilizer, mulch, tackifier), execution, and establishment periods.
• Division 35 - Waterway and Marine Construction: Focuses on Trailing Suction Dredging, including general requirements, references, submittals, required work, character of materials, execution (mobilization, construction plan, surveys, placement of dredged material, overdepth/side slopes, sediment analysis, reporting, beach placement surveys), operational restrictions, and marine plant requirements.

This amendment introduces detailed specifications for site restoration and dredging operations. Bidders should review these detailed sections to understand the full scope of work, material requirements, execution procedures, and acceptance criteria for these specific divisions. The amendment does not appear to modify overall submission deadlines or evaluation factors but provides critical technical details for the specified work areas.

Amendment / Modification

This amendment modifies the solicitation by adding Section 01 35 26.00 82, "Governmental Safety Requirements," to the specifications.

• Specifications document (addition of Section 01 35 26.00 82)

No changes to proposal deadlines, requirements, or evaluation factors are indicated. All other information from the original solicitation remains unchanged.

Amendment / Modification

This document, "WCHC26_AMD0001_Technical Section.pdf", is an amendment (AMD #0001) to the "West Coast Hopper Contract 2026". It appears to be a table of contents for the technical sections of the contract, specifically detailing "General Requirements" (Division 01), "Exterior Improvements" (Division 32), and "Waterway and Marine Construction" (Division 35).

Key sections detailed include:

• Governmental Safety Requirements (Section 01 35 26.00 82)
• Dredging and Channel Clearing
• Pump-Ashore Operations for Beach Fill
• Trailing Suction Dredging

The document primarily provides a table of contents for various technical and safety-related sections of the overall contract. The specific amendment number (AMD #0001) indicates this is a modification to the original contract documents.

This document itself does not appear to directly impact proposal submission deadlines or evaluation factors. It serves to outline the structure and content of the technical specifications and safety requirements for the contract.

Solicitation / RFP / RFQ

This document is a solicitation for the "WEST COAST HOPPER MAINTENANCE DREDGING 2026" project, identified by Solicitation No. W9127N26BA003. The US Army Corps of Engineers, Portland District, is seeking proposals for maintenance dredging services along the West Coast.

The project involves maintenance dredging at various locations, including:

• Humboldt Bay, California
• Lower Columbia River (RM 3+00-105+20), Oregon/Washington
• Coos Bay, Oregon
• Mouth of the Columbia River (RM 02+10+00 to RM 02+30+00), Oregon/Washington
• East Sand Island, Oregon/Washington

Specific details regarding dredge areas, depths, placement sites, and cross-sections are provided in the accompanying drawings.

• The award date is listed as December 22, 2025.
• The solicitation number is W9127N26BA003.

Details regarding proposal submission and evaluation criteria are not explicitly provided in the attached document, which primarily consists of drawings and cover sheets.

No specific set-aside or eligibility requirements are detailed in this document.

This solicitation includes numerous detailed drawings illustrating project locations, acceptance areas, placement sites, and cross-sections for the various dredging locations. The drawings are dated between December 2025 and August 2025, with survey dates ranging from January 2024 to August 2025. The document is stamped "EXAMPLE LAYOUT DRAWING" for many of its sections, indicating these are illustrative and may be subject to change or further detail in the full solicitation package.

Solicitation

This solicitation, identified as W9127N26BA003, is for the West Coast Hopper Maintenance Dredging 2026 project. The U.S. Army Corps of Engineers, Portland District, is procuring services for dredging and maintenance activities in several locations: Humboldt Bay, California; Mouth of the Columbia River, Oregon/Washington; Coos Bay, Oregon/Washington; and Lower Columbia River, Oregon/Washington. The solicitation is for an unrestricted socio-economic requirement.

The primary requirement is maintenance dredging to maintain federally authorized navigation channel depths. This includes removing specified materials from designated pay areas and placing them at specified sites. The solicitation details numerous Contract Line Item Numbers (CLINs) for various dredging locations and types of work, including mobilization/demobilization, bin measurement to required depth, placement in different sites (e.g., Shallow Water Site, North Jetty Site, Deep Water Site, East Sand Island), transit miles, and third-party hydrographic surveys. Option CLINs are included for additional dredged material quantities.

• Contract Type: Award will be made considering only price and price-related factors.

• Period of Performance: The contractor shall begin performance within 10 calendar days of notice to proceed and complete it within 258 calendar days after receiving notice to proceed.

• Bonds: Performance and payment bonds are required.

• Offers Due: March 2, 2026, by 01:00 PM local time.

• Submission Method: Electronic submission only (PDF format). Hard copy submissions will not be considered.

• Bid Opening: Telephonically at 2:00 PM on the bid due date.

• Evaluation: Award will be made considering only price and price-related factors.

• Socio-Economic: Unrestricted.

• Small Business: Notice to Large Business Firms regarding utilization of Small Business Concerns and Small Business Subcontracting Plans is included.

• The solicitation incorporates numerous FAR and DFARS provisions by reference.

• Specific environmental work windows and placement site restrictions are detailed for various locations (e.g., Humboldt Bay, Lower Columbia River, Coos Bay, Mouth of the Columbia River, East Sand Island).

• Requirements for cybersecurity maturity model certification (CMMC) are included.

• Detailed information on measurement and payment for various CLINs is provided.