Services period

Active Indefinite Delivery Contract Awarded Last action

Contract number
N0002423D4311
Awardee
Awarding agency
Task orders
78 $120,684,932 obligated

Award facts

Opportunity
  • N0002421R4314 Solicitation number
Combined order value
$163,409,829 Current and potential, with all options
Last date to order 72% complete
IDV ceiling 41% used
$295,900,000.00
Maximum order
$295,900,000.00
Award type
Single award
Who can order
Only the awarding agency
NAICS code
336611 Ship Building and Repairing
Set-aside
No set-aside
Competition
Not Competed · 1 offer Only One Source
Pricing
Order Dependent (IDV only)
Legislative mandates

Award details come from SAM.gov/FPDS.

About this IDV

Naval Sea Systems Command awarded a single-award indefinite-delivery contract to Seaward Marine Services, LLC with a ceiling of $295.9 million and an ultimate completion date of March 27, 2028, effective March 28, 2023. This vehicle carries no set-aside designation and authorizes procurement of comprehensive maritime services on a global basis.

Place of performance is worldwide, with primary operations and administrative oversight at Norfolk, Virginia, and work performed at naval shipyards, fleet commands, and overseas locations including Joint Base Pearl Harbor Hickam, Hawaii; San Diego, California; Portsmouth, Virginia; and Sasebo, Japan.

The IDIQ procures ship husbandry and maintenance services including underwater hull cleaning and inspection, hull coating application, propeller work, shaft seal repairs, barge cleaning and surveying, and related vessel maintenance for surface ships, submarines, and naval auxiliary vessels across the U.S. Navy's Atlantic and Pacific fleets.

Seaward Marine Services is a foreign-owned maritime services firm registered in SAM.gov since 2001.

Recent delivery-order activity under this IDIQ spans December 2024 through March 2026 and reflects sustained demand for hull cleaning and vessel maintenance. Notable recent orders include a $19.28 million hull cleaning order (December 8, 2025), a $17.84 million hull cleaning order (December 8, 2025), a $21.3 million Pacific Fleet services order (November 1, 2024), a $17.7 million Atlantic Fleet services order (November 8, 2024), a $17.68 million hull cleaning order (December 25, 2025), a $4 million hull cleaning order (December 17, 2025), and a $1.463 million USS IDAHO maintenance order (January 20, 2026). Delivery orders are predominantly firm fixed-price or fixed-price with economic price adjustment, with performance periods extending through June 2027. Place of performance for most orders is Norfolk, Virginia, with select orders for Hawaii, San Diego, and other naval facilities.

Task orders

Task order Ordering agency Obligated Awarded
Cfay barges, service craft and vessels N0002426F4G24 Naval Sea Systems Command (Navy) $435,852
Barge hull cleaning N0002426F4G23 Naval Sea Systems Command (Navy) $30,765
Craft barges N0002426F4G22 Naval Sea Systems Command (Navy) $42,562
(FY26 phnsy OMN) barges N0002426F4G21 Naval Sea Systems Command (Navy) $347,644
LVA inspection and cleanings N0002426F4G20 Naval Sea Systems Command (Navy) $167,924
(FY26 NSWC rdten) hull cleaning and prop coating surveys N0002426F4G18 Naval Sea Systems Command (Navy) $29,487
FY26 NAVFAC YON hull clean and surveys N0002426F4G19 Naval Sea Systems Command (Navy) $711,338
PCU USS harvey c barnum, JR (DDG) N0002426F4G16 Naval Sea Systems Command (Navy) $77,505
Barge cleaning (SRF-jrmc) N0002426F4G15 Naval Sea Systems Command (Navy) $275,405
EX-juneau pre-tow cleaning N0002426F4G17 Naval Sea Systems Command (Navy) $110,312
YD-255 uwhc/inspection N0002426F4G13 Naval Sea Systems Command (Navy) $20,895
Edsra hull cleaning N0002426F4G12 Naval Sea Systems Command (Navy) $87,858
USS roosevelt N0002426F4G11 Naval Sea Systems Command (Navy) $222,989
USS tulsa N0002426F4G08 Naval Sea Systems Command (Navy) $15,000
Hull cleaning N0002426F4G09 Naval Sea Systems Command (Navy) $592,820
USS idaho N0002426F4G10 Naval Sea Systems Command (Navy) $1,463,000
Hull coating repairs N0002426F4G04 Naval Sea Systems Command (Navy) $250,000
YD-257 uwhc/inspection N0002426F4G07 Naval Sea Systems Command (Navy) $18,546
Tsvron TSV1/TSV4/TSV5 uwhc N0002426F4G05 Naval Sea Systems Command (Navy) $113,838
Hull cleaning N0002426F4G03 Naval Sea Systems Command (Navy) $3,096,750
Hull cleaning N0002426F4G06 Naval Sea Systems Command (Navy) $4,000,000
Hull cleaning N0002426F4G02 Naval Sea Systems Command (Navy) $1,310,603
Hull cleaning N0002426F4G00 Naval Sea Systems Command (Navy) $6,533,997
Hull cleaning N0002426F4G01 Naval Sea Systems Command (Navy) $11,713,874
YD-255 and YD-262 uwhc/inspection N0002425F4G20 Defense Contract Management Agency $40,993
Various YON uwhc/hull survey N0002425F4G18 Naval Sea Systems Command (Navy) $494,469
EX paul f foster N0002425F4G19 Naval Sea Systems Command (Navy) $166,583
YD-249 uwhc/UT inspection N0002425F4G16 Defense Contract Management Agency $87,573
Puget sound naval shipyard (psns) barges N0002425F4G17 Naval Sea Systems Command (Navy) $15,148
Port operations sasebo japan service N0002425F4G14 Naval Sea Systems Command (Navy) $134,817
MTS 701 uwhc/inspection N0002425F4G15 Defense Contract Management Agency $82,583
YD-257 uwhc/inspection N0002425F4G13 Defense Contract Management Agency $18,838
Berthing barges N0002425F4G12 Naval Sea Systems Command (Navy) $313,891
Barge survey (yfnb) N0002425F4G09 Naval Sea Systems Command (Navy) $86,207
MTS 635 uwhc/inspection N0002425F4G11 Naval Sea Systems Command (Navy) $113,412
SSN 790 uwhc N0002425F4G10 Defense Contract Management Agency $130,381
Assault craft unit one (ACU 1) N0002425F4G08 Naval Sea Systems Command (Navy) $85,276
NSWC hull/prop coating N0002425F4G07 Defense Contract Management Agency $18,838
Army vessel robert t kuroda N0002425F4G06 Defense Contract Management Agency $43,147
Tsvron TSV4/TSV5 N0002425F4G05 Defense Contract Management Agency $74,688
Atlantic fleet N0002425F4G04 Naval Sea Systems Command (Navy) $15,632,344
(FY25 nnsy OMN) YD-255 uwhc/inspection N0002425F4G03 Naval Sea Systems Command (Navy) $22,400
Pacific fleet N0002425F4G02 Naval Sea Systems Command (Navy) $16,779,101
(FY25 phnsy OMN) submarine coating N0002425F4G01 Naval Sea Systems Command (Navy) $150,771
(FY25 SRF yoko OMN) barge cleaning N0002425F4G00 Naval Sea Systems Command (Navy) $407,232
(FY24 nnsy OMN) YD-257 uwhc/inspection N0002424F4G19 Naval Sea Systems Command (Navy) $23,520
(FY24 PMS321 OMN)NSWC coating performanc N0002424F4G18 Defense Contract Management Agency $22,236
(FY24 fdrmc OMN) USS indianapolis N0002424F4G20 Defense Contract Management Agency $121,424
(FY24 phnsy OMN) yrbm-25 in guam N0002424F4G16 Naval Sea Systems Command (Navy) $187,391
(FY24 nnsy OMN) YD-262 uwhc insp N0002424F4G17 Defense Contract Management Agency $26,427
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Transactions

Action Obligated Date
Supplemental Agreement for work within scope P00007 $0
Supplemental Agreement for work within scope P00006 $0
Other Administrative Action P00005 $0
Other Administrative Action P00004 $0
Supplemental Agreement for work within scope P00003 $0
Other Administrative Action P00002 $0
Other Administrative Action P00001 $0
Original award $0

Quick answers

Who was awarded contract N0002423D4311?

N0002423D4311 was awarded to Seaward Marine Services, LLC by Naval Sea Systems Command (Department of the Navy) on March 28, 2023.

How much is contract N0002423D4311 worth?

Orders under N0002423D4311 have obligated $120,684,932. Their combined current value, with exercised options, is $163,409,829. N0002423D4311's own ceiling is $295,900,000. A single order can be worth up to $295,900,000.

How many orders have been placed under contract N0002423D4311?

78 orders have been placed under N0002423D4311, the latest on July 22, 2026.

Who can order from contract N0002423D4311?

N0002423D4311 is a single award indefinite delivery contract. Only the awarding agency can place orders on it.

Was contract N0002423D4311 competed?

The extent of competition for N0002423D4311 was not competed. The government received 1 offer.

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