{"canonical":"https://abierto.us/opportunities/w912hp25b0001","key":"W912HP25B0001","url":"https://abierto.us/opportunities/w912hp25b0001","title":"FY25 Charleston Harbor Entrance Channel Operation and Maintenance Dredging","solicitation_number":"W912HP25B0001","notice_type":"a","open":false,"response_deadline":"2024-12-19T17:00:00Z","first_posted":"2024-10-28","last_posted":"2025-01-16","department":"DEPT OF DEFENSE","subagency":"DEPT OF THE ARMY","office":"W074 ENDIST CHARLESTON","naics":"237990","psc":"Z1KF","set_aside":null,"place_state":"SC","place_county":"45019","place_county_name":"Charleston County","place_city":"4513330","place_city_name":"Charleston","winner":"GREAT LAKES DREDGE & DOCK CO, LLC","award_amount":"10836250.00","publications":[{"notice_id":"e66095d0abb44de4ad1203494d612d9c","title":"FY25 Charleston Harbor Entrance Channel O&M 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This is not a solicitation. No response is requested at this time. A formal solicitation will follow this announcement with full details, including a response deadline, the complete price proposal schedule, the construction plans & specifications, instructions to offerors, and the evaluation factors/basis for award. OFFERORS ARE RESPONSIBLE FOR MONITORING THIS WEBSITE FOR CHANGES TO THIS NOTICE AND THE FORMAL SOLICITATION ANNOUNCEMENT. PLANNED SOLICITATION: The final Solicitation for this project will be announced anytime between 15 and 30 days after the posting of this pre-solicitation. The contract type will be firm-fixed-price. DESCRIPTION OF WORK: The work consists of maintenance dredging approximately 1,700,000 cubic yards of unclassified material from the Charleston Entrance Channel which shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. MAGNITUDE OF WORK: $10,000,000 TO $25,000,000 UNRESTRICTED: This acquisition is UNRESTRICTED. The NAICS Code is 237990 Other Heavy and Civil Engineering Construction with SBA Small Business Size Standard of $37 Million","origin":"extract"},"notice_type":{"code":"p","label":"Presolicitation"},"schema_version":1,"solicitation_number":"W912HP25B0001","place_of_performance":{"zip":"29401","city":{"name":"Charleston"},"state":{"code":"SC"},"country":{"code":"USA"}},"product_service_code":"Z2KF"},{"dates":{"posted":"2024-11-12","response_deadline":{"raw":"2024-12-19T12:00:00-05:00","utc":"2024-12-19T17:00:00Z","date":"2024-12-19","time":"12:00:00","utc_offset_seconds":-18000}},"links":{"sam":"https://sam.gov/workspace/contract/opp/66f922f350e54921ac28706f60685f8f/view"},"naics":{"codes":["237990"],"primary":"237990"},"title":"FY25 Charleston Harbor Entrance Channel Operation and Maintenance Dredging","agency":{"office":{"code":"W912HP","name":"W074 ENDIST CHARLESTON"},"subtier":{"code":"2100","name":"DEPT OF THE ARMY"},"department":{"code":"021","name":"DEPT OF DEFENSE"},"office_address":{"zip":"29403-5107","city":"CHARLESTON","state":"SC","country":"USA"},"organization_type":"OFFICE"},"status":{"active":false,"archive_date":"2024-12-31","archive_type":"auto_custom"},"contacts":[{"name":"Addison Layfield","role":"primary","email":"addison.g.layfield@usace.army.mil","phone":"8433298194"},{"name":"Evelyn HALLIBURTON","role":"secondary","email":"EVELYN.HALLIBURTON@USACE.ARMY.MIL","phone":"8433298208"}],"base_type":{"code":"o","label":"Solicitation"},"notice_id":"66f922f350e54921ac28706f60685f8f","provenance":{"extract":{"url":"https://s3.amazonaws.com/falextracts/Contract%20Opportunities/Archived%20Data/FY2025_archived_opportunities.csv","etag":"\"d47226e3d2c6545974b252e103f82b34-139\"","fetched_at":"2026-09-16T19:12:38.374141Z","row_sha256":"26bdf0234f09700fe335efc9df8b1b6c85265203120004afdeabee3d36e59c63","last_modified":"2026-09-13T14:49:20Z"},"updated_at":"2026-09-16T19:12:38.374141Z","first_seen_at":"2026-09-16T19:12:38.374141Z"},"description":{"text":"The work consists of maintenance dredging of approximately 652,000 cubic yards of required material in the main channel only, w ith a total payable quantity of approximately 1,105,000 cubic yards of unclassified material from the Charleston Harbor Entrance Channel ? AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. 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AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. 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AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. Amendment 0002 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 5 December 2024.","origin":"extract"},"notice_type":{"code":"o","label":"Solicitation"},"schema_version":1,"solicitation_number":"W912HP25B0001","product_service_code":"Z1KF"},{"dates":{"posted":"2024-12-10","response_deadline":{"raw":"2024-12-19T12:00:00-05:00","utc":"2024-12-19T17:00:00Z","date":"2024-12-19","time":"12:00:00","utc_offset_seconds":-18000}},"links":{"sam":"https://sam.gov/workspace/contract/opp/569f0219540b41a0a9d286e0fabd3c3b/view"},"naics":{"codes":["237990"],"primary":"237990"},"title":"FY25 Charleston Harbor Entrance Channel Operation and Maintenance Dredging","agency":{"office":{"code":"W912HP","name":"W074 ENDIST CHARLESTON"},"subtier":{"code":"2100","name":"DEPT OF THE ARMY"},"department":{"code":"021","name":"DEPT OF DEFENSE"},"office_address":{"zip":"29403-5107","city":"CHARLESTON","state":"SC","country":"USA"},"organization_type":"OFFICE"},"status":{"active":false,"archive_date":"2024-12-31","archive_type":"auto_custom"},"contacts":[{"name":"Addison Layfield","role":"primary","email":"addison.g.layfield@usace.army.mil","phone":"8433298194"},{"name":"Evelyn HALLIBURTON","role":"secondary","email":"EVELYN.HALLIBURTON@USACE.ARMY.MIL","phone":"8433298208"}],"base_type":{"code":"o","label":"Solicitation"},"notice_id":"569f0219540b41a0a9d286e0fabd3c3b","provenance":{"extract":{"url":"https://s3.amazonaws.com/falextracts/Contract%20Opportunities/Archived%20Data/FY2025_archived_opportunities.csv","etag":"\"d47226e3d2c6545974b252e103f82b34-139\"","fetched_at":"2026-09-16T19:12:38.374141Z","row_sha256":"425a51a20a29e1590eeaf954844db49a084010aae1a2f47985a712d98e5dc4b1","last_modified":"2026-09-13T14:49:20Z"},"updated_at":"2026-09-16T19:12:38.374141Z","first_seen_at":"2026-09-16T19:12:38.374141Z"},"description":{"text":"The work consists of maintenance dredging of approximately 652,000 cubic yards of required material in the main channel only, with a total payable quantity of approximately 1,105,000 cubic yards of unclassified material from the Charleston Harbor Entrance Channel ? AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. Amendment 0002 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 5 December 2024. Amendment 0003 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 10 December 2024.","origin":"extract"},"notice_type":{"code":"o","label":"Solicitation"},"schema_version":1,"solicitation_number":"W912HP25B0001","product_service_code":"Z1KF"},{"dates":{"posted":"2024-12-16","response_deadline":{"raw":"2024-12-19T12:00:00-05:00","utc":"2024-12-19T17:00:00Z","date":"2024-12-19","time":"12:00:00","utc_offset_seconds":-18000}},"links":{"sam":"https://sam.gov/workspace/contract/opp/7f2d576e5ff5421c88645155ddacc9a6/view"},"naics":{"codes":["237990"],"primary":"237990"},"title":"FY25 Charleston Harbor Entrance Channel Operation and Maintenance Dredging","agency":{"office":{"code":"W912HP","name":"W074 ENDIST CHARLESTON"},"subtier":{"code":"2100","name":"DEPT OF THE ARMY"},"department":{"code":"021","name":"DEPT OF DEFENSE"},"office_address":{"zip":"29403-5107","city":"CHARLESTON","state":"SC","country":"USA"},"organization_type":"OFFICE"},"status":{"active":false,"archive_date":"2024-12-31","archive_type":"auto_custom"},"contacts":[{"name":"Addison Layfield","role":"primary","email":"addison.g.layfield@usace.army.mil","phone":"8433298194"},{"name":"Evelyn HALLIBURTON","role":"secondary","email":"EVELYN.HALLIBURTON@USACE.ARMY.MIL","phone":"8433298208"}],"base_type":{"code":"o","label":"Solicitation"},"notice_id":"7f2d576e5ff5421c88645155ddacc9a6","provenance":{"extract":{"url":"https://s3.amazonaws.com/falextracts/Contract%20Opportunities/Archived%20Data/FY2025_archived_opportunities.csv","etag":"\"d47226e3d2c6545974b252e103f82b34-139\"","fetched_at":"2026-09-16T19:12:38.374141Z","row_sha256":"ba88dc7251a082e87db40fd8120d82683f00f3eaacf6590d0b29310fcea9656e","last_modified":"2026-09-13T14:49:20Z"},"updated_at":"2026-09-16T19:12:38.374141Z","first_seen_at":"2026-09-16T19:12:38.374141Z"},"description":{"text":"The work consists of maintenance dredging of approximately 652,000 cubic yards of required material in the main channel only, with a total payable quantity of approximately 1,105,000 cubic yards of unclassified material from the Charleston Harbor Entrance Channel ? AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. Amendment 0002 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 5 December 2024. Amendment 0003 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 10 December 2024. This Amendment is hereby posted on 5 December 2024. Amendment 0004 is posted to provide updated Plans, as well as updated time zone. 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AS-5, AS-6, and AS-7. The wings and slope are not required to be dredged as part of this contract. All dredged material shall be deposited in the Charleston Ocean Dredged Material Disposal Site (ODMDS). The work is located in Charleston County, South Carolina. The work includes complying with the requirements of the Endangered Species Act and Marine Mammals Protection Act. Amendment 0002 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 5 December 2024. Amendment 0003 is posted to provide updated Specifications, Plans, as well as updated quantities. This Amendment is hereby posted on 10 December 2024. This Amendment is hereby posted on 5 December 2024. Amendment 0004 is posted to provide updated Plans, as well as updated time zone. This Amendment is hereby posted on 16 December 2024. 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