PSC code
MAINTENANCE OF DREDGING FACILITIES
- PSC code
- Z1KF
- Latest action
- Jun 18, 2026
Fewer than the minimum comparable awards under this PSC code.
Largest awards under this code
| Award | Contractor | Agency | Place | First action | Current value |
|---|---|---|---|---|---|
| W912DS25CA003 MAINTENANCE DREDGING OF NEWARK BAY, NEW JERSEY, FEDERAL NAVIGATION PROJECT | DONJON MARINE CO., LLC | Department of Defense | NJ | Apr 24, 2026 | $82,097,890 |
| W912HP25C0001 FY24 MYRTLE BEACH EMERGENCY RENOURISHMENT | GREAT LAKES DREDGE & DOCK CO, LLC | Department of Defense | SC | Mar 3, 2026 | $74,322,451 |
| W912EP23C0017 SETTLEMENT OF REAS FOR ACCEPTANCE SECTIONS 13 AND 15 CLINS 0038 (AS-15) AND 0039 (AS-13) ADDED TO THE CONTRACT FOR THE ADDITIONAL EXCAVATED VOLUME. | CURTIN MARITIME CORP | Department of Defense | PR | Mar 30, 2026 | $55,446,186 |
| W912DS24C0023 FINAL QUANTITY RECONCILIATION FOR SAND FENCING AND PLANTING TO EXISTING CLINS. | GREAT LAKES DREDGE & DOCK CO, LLC | Department of Defense | NY | Apr 30, 2026 | $51,472,352 |
| W912HN25C5006 FY25 SAVANNAH INNER HARBOR DREDGING PROJECT | MARINEX CONSTRUCTION INC | Department of Defense | GA | Mar 3, 2026 | $35,271,000 |
| W912PM25CA008 FY 26 MAINTENANCE DREDGING, SOUTH ATLANTIC DIVISION (SAD) REGIONAL HARBOR DREDGING CONTRACT (RHDC) CONTRACT 1 | WEEKS MARINE, INC. | Department of Defense | NC | Mar 27, 2026 | $33,649,391 |
| W911KB24C0005 PAMP CONSTRUCTION EXCLUSION AREA (2026) CONTRACT FOR ANC032 2024-26 ANCHORAGE MAINTENANCE DREDGINGREFERENCE NO. R00013 | MANSON CONSTRUCTION CO | Department of Defense | AK | Mar 16, 2026 | $33,438,223 |
| W912DR25C0002 PROJECT NAME: FY25 BALTIMORE HARBOR AND CHANNELS MAINTENANCE DREDGING, MARYLAND CHANNELS, CHESAPEAKE BAY, MD. THE PURPOSE OF THIS CONTRACT MODIFICATION IS TO IMPLEMENT CHANGE AD - REQUEST FOR EQUITABLE ADJUSTMENT - DIFFERING SITE CONDITIONS. | CURTIN MARITIME CORP | Department of Defense | MD | Mar 12, 2026 | $30,549,755 |
| W912PM25CA005 MAINTENANCE DREDGING, WILMINGTON HARBOR INNER OCEAN BAR | NORFOLK DREDGING COMPANY | Department of Defense | NC | Mar 11, 2026 | $28,118,750 |
| W912PM25CA011 FY26 SOUTH ATLANTIC DIVISION (SAD) REGIONAL HARBOR DREDGING CONTRACT (RHDC), CONTRACT 2 | GREAT LAKES DREDGE & DOCK CO, LLC | Department of Defense | NC | Mar 7, 2026 | $26,950,187 |
| W912DR24C0038 THE PURPOSE OF THIS MODIFICATION IS TO ACCOMPLISH ADMINISTRATIVE CLOSEOUT BY UNILATERAL DETERMINATION OF THE FINAL CONTRACT PRICE AND DEOBLIGATE THE EXCESS FUNDS OF $1,071,468.00. ALL OTHER TERMS AND CONDITIONS OF THE CONTRACT REMAIN UNCHANGED. | WEEKS MARINE, INC. | Department of Defense | VA | Apr 1, 2026 | $25,214,458 |
| W912EP25C0005 CANAVERAL HARBOR MAINTENANCE DREDGING, BREVARD COUNTY, FLORIDA | THE DUTRA GROUP | Department of Defense | FL | Apr 6, 2026 | $21,600,380 |
| N4008425C6502 MAINTENANCE DREDGING - PHASE 3 - MAEBATA AND HARIO SHIMA AT U.S. FLEET ACTIVITIES SASEBO (CFAS), JAPAN (EP# 1624695). POC: MASAYO SONODAEMAIL: MASAYO.SONODA.LN@US.NAVY.MILTEL (LOCAL): 0956-50-2394TEL (FROM STATES): 011-81-956-50-2394 | OHISHI CONSTRUCTION CO. LTD | Department of Defense | — | Mar 24, 2026 | $21,445,766 |
| W912DS25CA008 MAINTENANCE DREDGING ARTHUR KILL 50 REACHNEW YORK AND NEW JERSEY HARBORFEDERAL NAVIGATION PROJECT | CASHMAN DREDGING & MARINE CONTRACTING CO LLC | Department of Defense | NY | Mar 10, 2026 | $19,404,815 |
| W912PM25CA007 FY25-26 WILMINGTON HARBOR ANCHORAGE BASIN AND MID RIVER MAINTENANCE DREDGING | NORFOLK DREDGING COMPANY | Department of Defense | NC | Apr 24, 2026 | $16,139,845 |
| W912PM25CA013 ROLLINSON AND SILVER LAKE MAINTENANCE DREDGING | COTTRELL CONTRACTING CORPORATION | Department of Defense | NC | Apr 28, 2026 | $14,615,282 |
| W912HN24C5006 THIS MODIFICATION EXTENDS THE TIME OF PERFORMANCE 90 CALENDAR DAYS AND INCREASES THE CONTRACT AMOUNT TO ACCOUNT FOR THE WORK REQUIRED TO REMEDY THE DIFFEREING SITE CONDITIONS ENCOUNTERED AT THE EXISTING WEIR PIPES. | HERVE CODY CONTRACTOR LLC | Department of Defense | SC | Mar 12, 2026 | $12,703,192 |
| W912EP25CA009 TAMPA HARBOR, MAINTENANCE DREDGING, UPPER CHANNELS AND CUT-G (PT), HILLSBOROUGH COUNTY, FLORIDA | CASHMAN DREDGING & MARINE CONTRACTING CO LLC | Department of Defense | FL | Mar 30, 2026 | $12,472,828 |
| W912EP24C0025 114379 FY24 TAMPA HARBOR, MAINTENANCE DREDGING, TAMPA BAY CUTS THROUGH CUT-C (HB), HILLSBOROUGH COUNTY, FLORIDA | THE DUTRA GROUP | Department of Defense | FL | Apr 30, 2026 | $11,140,464 |
| W912BU25CA039 INLAND WATERWAY CHESAPEAKE AND DELAWARE CANAL MAINTENANCE DREDGING PROJECT | CURTIN MARITIME CORP | Department of Defense | DE | Mar 3, 2026 | $10,833,195 |
| W912HP24C0003 DEOBLIGATION MODIFICATION | AHTNA MARINE & CONSTRUCTION COMPANY, LLC | Department of Defense | SC | Apr 21, 2026 | $10,472,688 |
| W912HP25CA007 RFP-02, CLAY-MUD REMOVAL AT BEACH | COTTRELL CONTRACTING CORPORATION | Department of Defense | SC | Apr 24, 2026 | $9,618,548 |
| W912EP25CA001 NAVAL SUBMARINE BASE KINGS BAY MAINTENANCE DREDGING, CAMDEN COUNTY, GEORGIA | COTTRELL CONTRACTING CORPORATION | Department of Defense | GA | Mar 5, 2026 | $9,110,163 |
| W912PM25CA012 ATLANTIC INTRACOASTAL WATERWAY MAINTENANCE DREDGING, FY26 CONTRACT, NORTH CAROLINA | SOUTHWIND CONSTRUCTION CORP | Department of Defense | NC | Mar 31, 2026 | $9,074,112 |
| W912EP26CA012 JACKSONVILLE HARBOR, MAINTENANCE DREDGING BAR CUT-3 THROUGH CUT-17 AND CUT-55 THROUGH LOWER TERMINAL CHANNEL DUVAL COUNTY, FLORIDA | GREAT LAKES DREDGE & DOCK CO, LLC | Department of Defense | FL | Mar 19, 2026 | $8,733,400 |
Related records
Derived from awards these records share, ordered by how many.
Sources and method
Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.
Totals cover awards where the government recorded this PSC code. Codes are taken as reported; awards are never reclassified into a different code.
- 1Awards are grouped by the PSC code the government recorded on the award, taken from USAspending.gov and last refreshed Aug 10, 2026. Miscoded awards stay miscoded here; we do not reassign codes.