Hazira CALM
Scope of Work
SOFEC designed and constructed a CALM terminal for LPG and NGL service. The SOFEC CALM is equipped with a 300 lb. class swivel and product piping with 16-in. and 10-in. circuits for LPG and NGL respectively.
General Description
| Client Name: | Oil & Natural Gas Commission (ONGC) |
| Contract Award: | June 1989 |
| Installation Date: | April 1990 |
| Application: | LPG / NGL Import/Export |
Project Specifications
| Water Depth: | 29.4m (96.3ft) |
| Tanker Size: | 50,000 dwt |
| Dimension: | 9.5mØ x 3.8m |
| Floating Hose: | 1 x 16-in., 1 x 10-in. |
| Underbuoy Hose: | 1 x 16-in., 1 x 10-in. Chinese Lantern |
| Hawser System: | 13-in. Single hawser |
| Anchor Leg System: | 6 x 2.375-in. Grade U3 |
| Anchor System: | 24-in. Ø Piles |
Design Environmental Criteria
Operational
| Significant Wave Height: | 2.8m (9.2ft) |
| Wind Velocity: | 9.1m/s (17.7 knots) |
| Surface Current: | 1.2m/s (2.3 knots) |
Survival
| Significant Wave Height: | 5.4m (17.7ft) |
| Wind Velocity: | 29.9m/s (58 knots) |
| Surface Current: | 1.9m/s (3.7 knots) |
Comments
Included in the scope of design and supply is a complex PLEM with three bays for individual 36-in., 24-in., and 18-in. piping manifolds which are mounted on a frame attached to the sea floor. Each bay will accommodate a pig launcher/receiver and branches for underbuoy hose connectors.