This Solicitation opportunity from Department Of Defense was posted on July 10, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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FY26 Charleston Harbor Lower Harbor Maintenance Dredging

Closed

W912HP26BA005Federal

Submission Closed07/14/2026, 04:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 237990

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Ceu PROVIDENCE(000G1)

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Solicitation # 70Z03326QSEAT0015

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Base SEATTLE(00033)

POSTED

1 day ago

DEADLINE

in 4 days

AI Contract Overview

The contract involves maintenance dredging of approximately 4,287,000 cubic yards of unclassified material from the Charleston Lower Harbor, with an optional additional 350,000 cubic yards, to be deposited at the Charleston Ocean Dredged Material Disposal Site. The work spans areas in Charleston and Berkeley Counties, South Carolina, and requires strict adherence to environmental regulations under the Endangered Species Act and the Marine Mammals Protection Act. The estimated value of the project ranges from $25 million to $40 million, classified under NAICS Code 237990 for Other Heavy and Civil Engineering Construction, with a small business size standard of $37 million. The solicitation, identified as W912HP26BA005, was posted on June 11, 2026, with subsequent amendments issued through July 2026 and July 2025. Responses are due by July 14, 2026, and performance will be managed by the U.S. Army Corps of Engineers through its Charleston office. Point of contact for inquiries includes Evelyn Halliburton and Addison Layfield, with the agency operating under the Department of Defense.

General Info

Maintenance dredging in Charleston Harbor removing 3.3 million cubic yards, $25-$40M, environmental compliance.

Agency

Department Of Defense → W074 Endist CharlestonView Agency

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

Charleston, SC, SC, 29403

Set-Aside

NONE

Documents

(0)

No documents available

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Timeline

4 updates

PhaseClosed

PostedMay 19

Presolicitation

Type ChangedJun 11

Presolicitation → Solicitation

Amendment 1Jun 30

Contract was updated

Amendment 2Jul 9

Contract was updated

Amendment 3Jul 9

Contract was updated

Amendment 4Jul 10

Contract was updated

Response DeadlineJul 14

Deadline has passed

Submission Closed

07/14/2026, 04:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → W074 Endist Charleston

Contacts2 people available

OfficeCHARLESTON, SC, 29403-5107, USA

Organization / Agency

Department Of Defense → W074 Endist Charleston

View Agency Profile

Office AddressCHARLESTON, SC, 29403-5107, USA

Contacts

Evelyn HALLIBURTON

Addison Layfield

Full Description

DESCRIPTION OF WORK: The work consists of maintenance dredging of approximately 4,287,000 cubic yards (BASE), and 350,000 cy (OPTION) of unclassified material from the Charleston Lower Harbor which shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston and Berkeley Counties, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. MAGNITUDE OF WORK is estimated between $25,000,000 TO $40,000,000. North American Industry Classification System (NAICS) Code: 237990 Other Heavy and Civil Engineering Construction with an SBA Small Business Size of $37,000,000. The Solicitation is hereby posted as of 11 June 2026. Amendment 01 is hereby posted as of 30 June 2026. Amendment 02 is hereby posted as of 9 July 2026. Amendment 03 is hereby posted as of 9 July 2025. Amendment 04 is hereby posted as of 10 July 2025.