Dredger Fabrication & Marine Vessel Construction

Dredger Fabrication & Marine Vessel Construction

Custom Dredger Building & Marine Vessel Fabrication Specialists

Dredger fabrication is Sea Floor Solution's engineering backbone. Located in Thanjavur, our state-of-the-art fabrication facility constructs custom dredgers, barges, and work boats designed specifically for Tamil Nadu's challenging waterways and coastal conditions.


Complete Vessel Fabrication Capabilities:
1. Cutter Suction Dredger Construction

From 10m to 25m length dredgers with 200HP to 1000HP main pumps.
Our dredgers feature:

  • . Spuds & Walking Systems: Twin 12m spuds for precise positioning
  • Ladders & Cutter Heads: 8-15m dredging depth capability
  • Discharge Pipelines: 10-16" HDPE pipes with swivel joints
  • Control Systems: PLC-based automation with GPS integration
  • 2. Hopper Barge Fabrication

    500m³ to 2000m³ capacity hopper barges for beach nourishment and land reclamation: • Split Hull Design: Bottom doors for precise sediment discharge • Dynamic Positioning: GPS and thruster control systems • Overflow Systems: Automatic water/sediment separation • Cranes: 10-25 ton knuckle boom cranes

    3. Clamshell & Grab Dredgers

    Crane-mounted dredging systems for shallow water operations: • Grab Capacities: 1.5m³ to 5m³ heavy-duty grabs • Winch Systems: 20-ton line pull capacity • Working Depth: Up to 35m with A-frame design

    4. Specialized Work Boats

    Multi-purpose vessels for survey, diving support, and crew transport: • Aluminum Hulls: 12-18m catamaran designs for stability • ROV Deployment: Moonpool and crane systems • Diving Support: Twin compressors, nitrox systems • Survey Equipment: Multibeam echo sounders, side scan sonar

    Fabrication Facility Specifications:

    • Covered Area: 15,000 sq.ft workshop • Cranes: 50-ton overhead gantry cranes • Welding Capacity: 200+ certified welders (AWS D1.1) • NDT Testing: UT, MPI, RT, DPI in-house capability • Painting: Marine-grade epoxy coating systems

    Engineering & Design Process:

    1. Client Consultation: Site survey and requirement analysis 2. 3D Modeling: SolidWorks and AutoCAD Marine design 3. Classification Approval: IRS (Indian Register of Shipping) plans approval 4. Construction: Steel fabrication (Grade A36/AH36) 5. Outfitting: Electrical, hydraulic, and control systems 6. Sea Trials: 72-hour performance testing

    Recent Fabrication Projects:

    Karaikal Port Authority - Cutter Suction Dredger "Karaikal Pride" • Length: 22m, Main Pump: 750HP, Discharge: 1200m³/hr • Delivered: 45 days ahead of schedule • Cost: 30% below imported alternatives Private Client - 1000m³ Hopper Barge • Split hull with GPS positioning • 15-ton crane capacity • Operating in Nagapattinam harbor Quality Certifications & Compliance: • IRS Approved Builder (Indian Register of Shipping) • ISO 3834-2 Welding Quality Management • BV Mode II (Bureau Veritas) construction approval • DG Shipping compliance for crew boats

    Cost Advantage Example:

    Imported Chinese Dredger: ₹4.2 crores + 28% customs duty = ₹5.4 crores Sea Floor Solution Custom Build: ₹3.8 crores delivered Thanjavur Savings: ₹1.6 crores + local service support After-Sales Support: • Spare Parts: 90% availability from Thanjavur stock • 24/7 Service: On-call technicians across Tamil Nadu • Annual Overhauls: Fixed-price maintenance contracts • Operator Training: 2-week hands-on programs

    Why Choose Our Fabrication Services?

    • Local Expertise: Designed for Tamil Nadu conditions (monsoons, silt types) • Faster Delivery: 60-90 days vs 6-12 months for imports • Custom Solutions: Tailored to your exact project needs • Lower Lifecycle Costs: Optimized for local fuel/spares availability

    Sea Floor Solution transforms your marine project requirements into purpose-built vessels that deliver maximum productivity and minimum downtime.