Civil & Mechanical Works - Marine Infrastructure

Complete Marine Civil & Mechanical Engineering Solutions

Marine Civil Engineering Services:

1. Jetty & Berth Construction • Pile Foundations: Precast concrete, steel H-piles (24m depth) • Decking: RCC slabs, precast panels, steel grating • Fender Systems: Super-cell rubber fenders, steel bollards • Capacity: 500-5000 DWT berths

2. Breakwater & Revetment Works • Rock Armor: 1-50 ton quarry stones • Core Material: Geotextile filter layers • Concrete Blocks: Tetrapods, accropodes (2-10 tons) • Design Life: 50+ years storm protection

3. Pump House & Intake Structures • Trash Rack Installation: Stainless steel screens • Traveling Screens: Automated debris removal • Pump Foundations: Pile-supported RCC structures • Pipe Penetration Seals: Watertight bulkhead systems

Mechanical Engineering Services:

1. Marine Gate Fabrication & Installation • Flap Gates: Steel fabrication for tidal control • Sluice Gates: Hydraulic/electric operation • Sector Gates: Navigation lock systems • Materials: Stainless steel 316L, marine grade aluminum

2. Pipeline Mechanical Works • Expansion Bellows: Stainless steel compensators • Isolation Valves: Gate, globe, butterfly valves • Support Structures: Pipe cradles, roller supports • Anodes: Sacrificial corrosion protection

3. HVAC & Electrical Systems

• Marine Air Handling: Corrosion-resistant units • Explosion-Proof Lighting: Hazardous area compliant • Control Panels: PLC/SCADA marine grade IP66 • Backup Generators: Auto-start marine diesel sets

Technical Capabilities & Equipment:

Pile Driving: • Vibratory Hammer: 150 kNm moment • Hydraulic Hammer: 2000 kJ energy • Max Pile Size: 1200mm dia x 30m length

Concrete Works: • Marine Concrete: M40 grade sulfate resistant • Pump Capacity: 120m³/hr • Tremie Placement: 40m depth capability

Crane Capacity: • Crawler Crane: 200 tons • Mobile Crane: 100 tons • Derrick Barge: 50 tons lift

Recent Marine Civil Projects:

Nagapattinam Fishing Harbor Extension (₹18 crores): • 250m RCC jetty with 12 pile foundations • 20-ton bollards, 8 fender units • Completed in 9 months (monsoon included)

Thanjavur Irrigation Pump House: • 4x 500HP pumps installation • 18m deep intake structure • Stainless steel trash racks

Karaikal Minor Port Works: • 500m rock revetment (2-15 ton armor) • Geotextile core protection • 100-year design life

Quality Control & Testing:

• Concrete Cube Testing: 7/28 days strength • Pile Load Testing: Static/dynamic up to 500 tons • NDT Concrete: Rebound hammer, ultrasonic pulse • Weld Testing: UT, MPI, DPI 100% critical welds • Hydrostatic Testing: All pipelines 1.5x design pressure

Compliance & Standards:

✅ IS 456: Marine concrete standards ✅ IS 2911: Pile foundation code ✅ CPWD Schedule of Rates ✅ IRC Bridge codes for marine approaches ✅ TNPCB effluent standards

Project Management Approach:

1. DPR Preparation: Detailed Project Reports 2. BOQ Estimation: Accurate material quantities 3. P6 Scheduling: Critical path monitoring 4. Earned Value Analysis: Cost/schedule control 5. As-Built Documentation: Complete project handover

Cost Optimization Examples:

Traditional Contractor: Jetty @ ₹28,000/sq.m Sea Floor Solution: Jetty @ ₹22,500/sq.m Savings: 20% through in-house fabrication Marine Civil Turnkey Solutions: ✅ Design-Build-Operate capability ✅ Fixed-price lump sum contracts ✅ 12-month defect liability ✅ Comprehensive insurance coverage ✅ GST compliant: 33AFHFS8006E1Z6

From jetties to pump houses, Sea Floor Solution constructs marine infrastructure that withstands Tamil Nadu's harshest conditions while delivering exceptional value.