Comprehensive Maintenance, Repair & Overhaul Services

Beyond new ship construction, Hanwha Philly Shipyard, Inc. (HPSI) provides full-scope maintenance, repair & overhaul (MRO), and conversion services for government and commercial vessels. Our MRO capabilities, supported by experienced trades, engineering oversight, and integrated project controls, ensure fleet reliability, maximize vessel service life, and support lifecycle operations.

What We Do

Our services include:

  • Routine maintenance and inspection programs
  • Mid-life overhauls and refits
  • Conversion and modernization work
  • Emergency repairs and regulatory compliance servicing, supported by production planning, quality assurance, and classification coordination

Delivering Value to Operators

HPSI delivers MRO services that meet and exceed U.S. Coast Guard regulations, American Bureau of Shipping (ABS) and other classification society standards, supported by structured inspection programs, regulatory documentation, and quality management processes across every phase of execution, and operational requirements for both commercial and government fleets.

Operators rely on our deep technical expertise, proven quality and safety processes, and integrated engineering, workforce execution, and schedule management to achieve efficient turnarounds and long-term vessel performance.

Capabilities

Building Sizes

  • Fabrication Shops: 432,264 sq. ft.
  • Grand Block Shop: 81,218 sq. ft.
  • Paint Shop: 35,261 sq. ft.
  • Outfitting Warehouse: 72,640 sq. ft. (under construction)
  • Cabin Assembly Line: 54,645 sq. ft. (under construction)

 

Dry Dock Specs

  • Dry Dock 4: Typically used for New Build hull erection
  • Dry Dock 5: Typically used for Final Outfitting, T&C

 

Dry Dock Dimensions

  • 1,092.6 ft. (333.02 m) long
  • 150 ft. (45.72 m) wide
  • draft 31 ft. (9.44 m) at high tide dredged in dock 4
  • draft 35 ft. (10.66 m) at high tide dredged in dock 5

 

Port Restrictions

  • Commodore Barry Bridge (South) – Restrictive Air Draft: 58.5 meters (to the Atlantic)
  • Delaware Memorial Bridge (South) – Restrictive Air Draft: 58.3 meters (to the Atlantic)

Shore Power Specs

  • Dry Dock 4: 2,000 amps at 450V (dedicated and available)
  • Dry Dock 5: 5,000 amps at 450V (requires transformer investment)

 

Heavy Lift Transporters

  • The shipyard has two heavy lift transporters
  • Each one has a lifting capacity of 420 tons (840 tons combined)

 

Crane Capacity

  • Gantry crane:

– Maximum standard capacity of 660 tons

– At centerline of Dry Dock 4, for 1% of all lifts, maximum of 750 tons

– Hook height of 53.5 meters above ground level and 68.1 meters above Dry Dock 4 BL

  • Luffing cranes (2):

– East crane and west crane of either side of Dry Dock 4

– Both with capacity of 50 tons at 18 meters reach, 6 tons at 47 meters reach

  • Portal Crane (AL-94):

– Any radius 60 ton

– Hook height 25 meters above ground level