Nagarjuna CALM
Scope of Work
SOFEC designed, constructed, and supplied one (1) Catenary Anchor Leg Mooring (CALM) system for Nagarjuna Oil Corporation Limited (NOCL) to be installed in the southeast coastal waters of India, 24km south of the town of Cuddalore, in Tamil Nadu state.
The CALM Buoy system includes the complete buoy assembly, PLEM, anchoring system and telemetry package.
The SPM is designed in accordance with DNV standard DNV-05-E403, “Offshore Loading Buoys”, 2008 and carries the “DNV Offshore Loading Buoy classification
General Description
| Client Name: | Nagarjuna Oil Corporation Limited (NOCL) |
| Contract Award: | June 2010 |
| Installation Date: | 2012 |
| Application: | Import Crude Oil |
Project Specifications
| Water Depth: | 31m (102ft) |
| Tanker Size: | 300,000 dwt |
| Dimension: | 11mØ x 5.8m |
| Floating Hose: | 2 x 24-in. |
| Underbuoy Hose: | 2 x 24-in. |
| Hawser System: | 19-in. Single leg non-grommet |
| Anchor Leg System: | 3.75-in. studless garde R3 chain |
| Anchor System: | Drag embedment |
Design Environmental Criteria
Operational
| Significant Wave Height: | 2.5m (8.2ft) |
| Wind Velocity: | 22m/s (42.8 knots) |
| Surface Current: | 1.0m/s (1.9 knots) |
Survival
| Significant Wave Height: | 15.3m (50ft) |
| Wind Velocity: | 55.6m/s (108 knots) |
| Surface Current: | 1.0m/s (1.9 knots) |