CPC Ta Lin Pu #4 CALM
Scope of Work
SOFEC designed and constructed the complete CALM terminal with a dual product swivel for the Talinpu Refinery at Kaohsiung, Taiwan. The contract included the PLEM for two 34-in. subsea pipelines. The 12.5m diameter CALM is anchored to the seafloor by six 3.5-in. chain legs and 12mt “Stevpris” high capacity drag anchors. The system is equipped with dual 20-in. hoses for diesel, gasoil and naphtha.
General Description
| Client Name: | Chinese Petroleum Corp. (CPC) |
| Contract Award: | June 1991 |
| Installation Date: | May 1992 |
| Application: | Diesel, Gasoil and Naphtha Import |
Project Specifications
| Water Depth | 26m (85ft) |
| Tanker Size: | 100,000 dwt |
| Dimension: | 12.5mØ x 4.8m |
| Floating Hose: | 2 x 20-in. |
| Underbuoy Hose: | 2 x 20-in. Chinese Lantern |
| Hawser System: | 16-in. Dual grommet |
| Anchor Leg System: | 6 x 3.5-in. Grade U3 |
| Anchor System: | 12mt Stevpris anchors |
Design Environmental Criteria
Operational
| Significant Wave Height: | 4.6m (15ft) |
| Wind Velocity: | 28.3m/s (55 knots) |
| Surface Current: | 0.9m/s (1.8 knots) |
Survival
| Significant Wave Height: | 9m (29.5ft) |
| Wind Velocity: | 74.6m/s (145 knots) |
| Surface Current: | 2.1m/s (4 knots) |
Comments
This CALM was the second buoy designed and built by SOFEC for the Chinese Petroleum Corporation (CPC). The CALM system is designed to moor 100,000 dwt tankers. It has a dual product swivel used to import naphtha, diesel, and gasoil. The underbuoy hoses are arranged in a Chinese Lantern configuration. Both systems are designed to survive extreme typhoon conditions.