Jetty-based marine outfall system for Tata Chemicals Limited – Mithapur Plant, Gujarat
L&T’s GeoStructure Business comprises:
- Marine & Intake Structures
- Special Foundations & Ground Engineering
Engineered for the most demanding terrains, L&T GeoStructure is a specialist in delivering complex geotechnical and foundation solutions that anchor world-class infrastructure.
The business has unique expertise in EPC projects involving the construction of jetties, berths, intake wells of large diameter, plastic concrete cut-off walls, deep diaphragm walls and advanced ground improvement work. It is also adept in executing challenging foundation engineering works across diverse infrastructure sectors such as urban development, UG metros, industrial plants and manufacturing facilities.
GeoStructure is equipped with a large fleet of high-end hydraulic piling rigs, reverse circulation drilling rigs, multi-hammer drilling rigs, trench cutters, grab, various capacities of cranes, vibro-hammers and other ground engineering equipment to execute challenging projects, both in terms of complexity and time. Additionally, it owns jack-up barges to support marine projects.
The company differentiates itself through a consultative selling approach, offering alternative designs and cost-effective engineering solutions with the help of a strong in-house design team. The business operates in technically complex segments such as marine structures and special foundations, where execution requires specialised expertise with significant capital investment. These factors create strong entry barriers, helping the company maintain its competitive position and market standing.
Key Offerings
- Jetties, berths & fishery harbours
- Intake structures
- Navigation locks
- Riverfront structures
- Flood protection work
- Piling for infrastructure sectors
- Ground improvement work
- Retaining structures
- UG metros
- Cut-off walls for dams
- Slope stabilisation
Jobs Awarded [5]
- Construction of three underground metro stations at Greenways, Royapettah and Chetpet for RVNL, CMRL Phase II, Chennai.
- Piling work for RMZ Infinity office park at Chennai, Tamil Nadu
- Piling work for TATA Semiconductor Plant at Dholera, Gujarat
- Piling work for JSW 2X800 MW Ultra STPP at Salboni, West Bengal
- Piling work for Petronet LNG Storage tanks at Dahej, Gujarat
Completed Projects [3]
- Piling work for CG Semi Semiconductor Facility at Sanand, Gujarat
- Piling work for Reliance Manufacturing Division at Dahej, Gujarat
- Retention system for Brigade ICON residential space at Chennai, Tamil Nadu
Key Highlights
- The Katni Grade Separator Package 2, part of India's longest railway viaduct project (33.40 km total) in Madhya Pradesh, focuses on the 15.85 km elevated Up-Grade Separator, commissioned and operational since August 2025.
- The inauguration of the Gateway of Guwahati marks the launch of Northeast India’s first all-weather floating terminal. The riverine terminal is engineered to accommodate up to 11 meters of water level variation in the Brahmaputra River through a first-of-its-kind buoyancy and pontoon locking arrangement, ensuring safe and efficient year-round operations.
Ongoing Projects [21]
| Marine Outfall System for TCL at Mithapur | Gujarat |
| Construction of Liquid Jetty 6 for GPPL at Pipavav Port | |
| Piling work for TATA Semiconductor Plant at Dholera | |
| Piling Work for Petronet LNG at Dahej | |
| Ship repair facility for HCSL at Pandu Port | Assam |
| Construction of 2UG Stations for RVNL at Chennai | Tamil Nadu |
| Piling Work for RMZ Infinity at Chennai | |
| Construction of 3UG Stations for RVNL at Chennai | |
| Civil & Structural works for BHEL at Ennore TPP | |
| Piling work for JSW at Dolvi Steel Plant | Maharashtra |
| Construction of Marina at Mumbai Port | Odisha |
| Construction of South Breakwater Extension and Toe Protection works for PPA at Paradeep | |
| Piling Work for JSW at Utkal Steel Plant | |
| Construction of HL Bridge across river Subarnarekha | Andhra Pradesh |
| Upgradation of Slipway for HSL at Vizag | |
| Renovation of Existing Navigational Lock for IWAI at Farakka | West Bengal |
| Piling Work for JSW 2X800 MW Ultra STPP at Salboni | |
| Ship repair facility for IWAI at Patna | Bihar |
| Ship repair facility for IWAI at Varanasi | Uttar Pradesh |
| Construction of Katni Grade Separator for IRCON | Madhya Pradesh |
| Design and Construction of Runj Dam |
Track Record
-
4,29,931 Rmtrs BCIS Piling
-
8,539 Rmtrs Steel Piling
-
6,662 sq. m. Sheet Piling
-
19,993 sq. m. D’wall
Awards & Accolades
- Entered into India Book of Records for Execution of ‘Longest Composite Girder Viaduct’ for Katni Grade Separator – Package 2
- Entered into Asia Book of Records for Execution of ‘Longest Cast In Situ Box Girder’ for Subarnarekha Bridge Projec
- RVNL 2UG Stations (RK Salai & Thirumayilai team) received the CII ‘Gold Award for Excellence in EHS Practices,’ recognising the team’s outstanding commitment to Environment, Health and Safety (EHS) standards in project execution
- L&T GeoStructure was rated ‘Best Vendor’ by Hindustan Shipyard Limited
