Closed Solicitation · DEPT OF DEFENSE

    Maintenance Dredging, Delaware River, Philadelphia to Sea and Christina River, Wilmington Harbor

    Sol. W912BU25BA007SolicitationPHILADELPHIA, PA
    Closed
    STATUS
    Closed
    closed Sep 12, 2025
    POSTED
    Sep 23, 2025
    Publication date
    NAICS CODE
    237990
    Primary industry classification
    PSC CODE
    Z1KF
    Product & service classification

    AI Summary

    The Department of Defense is soliciting bids for maintenance dredging along the Delaware River and Christina River, involving approximately 2.5 million cubic yards of sediment. The contract includes hydraulic dredging and disposal of materials, with a performance period of 240 days. Amendments have adjusted bid dates and specifications. Estimated project cost ranges from $25 million to $100 million.

    Contract details

    Solicitation No.
    W912BU25BA007
    Notice Type
    Solicitation
    Posted Date
    September 23, 2025
    Response Deadline
    September 12, 2025
    NAICS Code
    237990AI guide
    PSC / Class Code
    Z1KF
    Contract Code
    2100
    Primary Contact
    Eric Leach
    State
    PA
    ZIP Code
    19103-0000
    AI Product/Service
    service

    Description

    Contract work consists of maintenance dredging of approximately 2.5 million cubic yards of sediment within the Delaware River, Philadelphia to Sea main navigation channel between Stations 0+000 and 515+000 and approximately 400,000 cubic yards within Wilmington Harbor, Christina River. Work includes hydraulic dredging with placement of the dredged material into the Pedricktown and Delaware City disposal areas. All dredging will be performed to the required depths indicated with 1 or 2-foot allowable overdepth. All dredging shall be performed as contour dredging. Before and after dredging surveys for measurement will be performed by the government. The period of performance for the contract will be 240 calendar days. Estimated cost range of the project is $25,000,000 to $100,000,000. AMENDMENT 0001 - 15 AUG 2025 - The purpose of Amendment 0001 to Solicitation W912BU25BA007 is as follows: 1) To revise the Section 00 21 00 - Instructions; INSTRUCTIONS, CONDITIONS AND NOTICES TO BIDDERS; item 1.11 - Prospective Bidders Questions and Requests for Information (RFI); RFls due date from 1:00PM EDT 28 AUG 2025 to 1:00PM EDT 19 AUG 2025. 2) To provide RFI Questions and Responses. 3) All other terms and conditions remain unchanged. AMENDMENT 0002 - 27 AUG 2025 - The purpose of Amendment 0002 to Solicitation W912BU25BA007 is as follows: 1) To revise the Bid Opening and sealed offers due date from 1:00PM 28 AUG 2025 to 1:00PM 02 SEP 2025. 2) To provide a revised Specifications Section 35 20 23 which deletes the use of Killcohook Disposal Area from Paragraph 3.2.4. 3) All other terms and conditions remain unchanged. AMENDMENT 0003 - 28 AUG 2025 - The purpose of Amendment 0003 to Solicitation W912BU25BA007 is as follows: 1) To revise the Bid Opening and sealed offers due date from 1:00PM 02 SEP 2025 to 1:00PM 04 SEP 2025. 2) All other terms and conditions remain unchanged. AMENDMENT 0004 - 03 SEP 2025 - The purpose of Amendment 0004 to Solicitation W912BU25BA007 is as follows: 1) To revise the Bid Opening and sealed offers due date from 1:00PM EDT 04 SEP 2025 to 1:00PM EDT 09 SEP 2025. 2) To revise the RFIs due date from 1:00PM EDT 28 AUG 2025 to 1:00PM EDT 05 SEP 2025. 3) To add the NMFS Biological Opinion Delaware River?22 NOV 2019 and Specifications Section 35 20 23.13. 4) To revise Specifications Sections 01 57 19 and 35 20 23. 5) All other terms and conditions remain unchanged. AMENDMENT 0005 - 09 SEP 2025 - The purpose of Amendment 0005 to Solicitation W912BU25BA007 is as follows: 1) To revise the Bid Opening and sealed offers due date from 1:00PM EDT 09 SEP 2025 to 1:00PM EDT 12 SEP 2025. 2) All other terms and conditions remain unchanged. AMENDMENT 0006 - 11 SEP 2025 - The purpose of Amendment 0006 to Solicitation W912BU25BA007 is as follows: 1) To provide a revised RFI Questions and Responses dated 11 SEP 2025. 2) All other terms and conditions remain unchanged.

    Key dates

    1. September 23, 2025Posted Date
    2. September 12, 2025Proposals / Responses Due

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    Frequently asked questions

    Maintenance Dredging, Delaware River, Philadelphia to Sea and Christina River, Wilmington Harbor is a federal acquisition solicitation issued by DEPT OF DEFENSE. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

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