Heavy Engineering
Marine, Offshore & IndustrialPrecision Marine Fabrication
Built for Extreme Maritime Durability
We specialize in heavy fabrication works for marine, ship repair, offshore, and industrial applications.
Our services include the fabrication, modification, repair, and installation of heavy steel structures and engineered components designed to withstand demanding operating conditions.
With a strong focus on quality workmanship, structural integrity, and safety, we deliver reliable fabrication solutions tailored to the specific requirements of each project. From certified hull steel plate renewal to heavy-duty offshore equipment foundations and customized crane pedestals, our manufacturing processes guarantee dimensional precision and high fatigue resistance.
Our workshops and mobile riding squads are staffed with certified welders, fitters, and fabrication engineers capable of rapid turnaround for commercial fleets and Coast Guard vessels.
- Marine Structural Fabrication
- Ship Repair & Steel Renewal
- Offshore Heavy Skids & Frames
- Onboard Installation & Welding
Core Capabilities
Our Heavy Fabrication Specializations
Certified fabrication capabilities spanning structural steelwork, pressure piping, offshore equipment skids, and shipboard installations.
Marine Structural Fabrication
Fabrication and repair of ship structures, steel frameworks, decks, platforms, and structural load-bearing supports.
- Hull frames, web frames & floor plates
- Main deck & tween deck steel fabrication
- Cargo hold bulkheads & hopper plating
- Hatch coamings & hatch cover repairs
- Masts, derrick posts & radar towers
- Accommodation ladders & gangways
- Mooring bollard & fairlead foundations
- Bulwark & handrail fabrication
Offshore Fabrication
Manufacturing and repair of offshore steel structures, equipment foundations, support frames, and heavy-duty assemblies.
- Heavy equipment foundation skids
- Offshore deck modular assemblies
- Generator & winch skid fabrication
- Subsea protective frames & baskets
- Padeyes & lifting lug fabrication with NDT
- Container seafastening structures
- Offshore gangway & walkway bridges
- Heavy tubular bracing & node fabrication
Ship Repair & Steel Renewal
Replacement and repair of damaged steel plates, bulkheads, stiffeners, brackets, and other structural components.
- Cropping & renewal of deteriorated shell plates
- Double bottom tank structural renewal
- Transverse & longitudinal bulkhead repairs
- Side shell collision damage repair
- Chain locker & hawse pipe fabrication
- Rudder blade & skeg structural rebuilding
- Class approved steel grades (Grade A, DH, EH)
- Comprehensive weld ultrasonic & MPI inspection
Heavy Steel Fabrication
Fabrication of large steel structures, heavy built-up beams, columns, base frames, and machine foundations.
- Built-up box girders & heavy I-beams
- Machine foundations & heavy engine beds
- Heavy industrial press frames & beds
- Stern ramp & Ro-Ro bridge fabrication
- Industrial gantry & crane structures
- Thick plate rolling, bending & beveling
- Heavy flanged & machined assemblies
- Structural load-bearing assemblies
Crane & Equipment Structures
Fabrication and repair of crane pedestals, mounting foundations, equipment supports, and lifting-related structures.
- Deck crane pedestal manufacturing & alignment
- Crane slew bearing mounting flange machining
- A-frame & gantry crane structural welding
- Mooring winch & windlass bedplates
- Tug boat towing hook foundations
- Anchor handling winch support structures
- Davit arms & rescue boat cradle fabrication
- Lifting gear load-tested structures
Piping & Onboard Installation
Fabrication of piping systems, certified metalwork, and full on-site onboard structural modifications for marine vessels.
- Marine ballast, bilge & fuel piping spools
- High-pressure hydraulic & steam pipelines
- Certified multi-process welding (SMAW, FCAW, TIG)
- CNC plate cutting & precise fit-up
- On-site shipyard & anchorage installation squads
- Structural modifications during voyage
- Surface grit blasting & marine epoxy coatings
- Complete quality dossiers & material test reports
Quality-Driven Execution
Our Fabrication & Engineering Process
Design, Nesting & Material Sourcing
Detailed shop drawing generation, class-approved steel sourcing with 3.1 mill test certificates, and precision CNC cutting.
Certified Assembly & NDT Testing
Fit-up by skilled shipwrights, welding per WPS/PQR by certified welders, and 100% NDT inspection of critical joints.
Blasting, Coating & Onboard Rigging
Surface preparation to Sa 2.5, marine coating application, heavy crane lifting, onboard welding, and final sign-off.
Why Luhar Kalidas
Why Choose Our Heavy Fabrication Solutions
Certified Welding & Metallurgy
Qualified welding procedures, high-tensile steel processing, and accredited non-destructive testing for maritime integrity.
Workshop & Riding Squad Capabilities
Equipped fabrication yard combined with agile mobile squads for afloat anchorage and shipyard dry-docking repairs.
Rapid Mobilization & Delivery
Engineered for tight maritime turnaround schedules to keep vessels sailing on time with zero compromise on safety.
Frequently Asked Questions
Heavy Marine Fabrication FAQs
Heavy Marine EngineeringGet In Touch
Have a Heavy Fabrication or Steel Renewal Project?
Contact Luhar Kalidas today to discuss your steel fabrication scope, offshore equipment foundation requirements, or ship repair steel renewal.