Marine Welding, Fabrication & NDT Support for Vessels and Marine Assets
HHA Diving Services provides professional above-water welding, steel fabrication, structural repair, and Non-Destructive Testing services for vessels, barges, offshore units, shipyards, ports, and marine structures. Our welding and inspection teams support planned maintenance, steel renewal, modifications, emergency repairs, and structural inspections onboard vessels and at marine facilities.
Welding & Steel Repair Services
Onboard Welding & Steel Repairs: Repair and modification of steel structures onboard vessels, barges, workboats, and other marine assets.
Hull & Structural Plate Renewal: Removal and replacement of damaged, wasted, or corroded steel plating, including insert plates and local steel renewals.
Doubler Plate, Stiffener & Frame Renewal: Fabrication and installation of reinforcement plates, stiffeners, frames, brackets, supports, and structural members.
Sea Chest, Tank & Internal Structure Repairs: Above-water and internal steel repairs, plate renewal, reinforcement, and fabrication under appropriate hot-work and confined-space controls.
Marine Pipe, Deck & Superstructure Repairs: Welding and fabrication for marine piping, flanges, supports, decks, bulwarks, handrails, ladders, foundations, and equipment supports.
Marine Steel Fabrication: Custom fabrication of plates, brackets, stiffeners, collars, frames, supports, foundations, blanks, and other steel components.
NDT & Inspection Services
Ultrasonic Thickness Measurement: Thickness measurement for hull plating, tanks, decks, bulkheads, pipelines, and structural steel.
Ultrasonic Testing: Inspection of suitable welds and materials for internal discontinuities.
Magnetic Particle Testing: Inspection of suitable ferromagnetic welds and components for surface and near-surface discontinuities.
Dye Penetrant & Visual Testing: Inspection of suitable non-porous materials and welds for surface-breaking discontinuities, corrosion, cracking, deformation, and steel condition.
One Coordinated Inspection & Repair Scope
HHA can coordinate inspection and thickness gauging, defect identification, repair planning, steel fabrication, welding and installation, then final NDT and verification. Our services are suitable for vessels, tankers, bulk carriers, container vessels, tugboats, barges, workboats, offshore units, port structures, and other marine facilities.
From inspection to final repair, HHA provides practical marine welding, fabrication, and inspection solutions that help owners and operators maintain the integrity and operational condition of their assets.