General information
| Client | BG Norge |
| Project | BG Norge Knarr |
| Year | 2013 |
| Location | Norwegian Sea |
| Vessels | Audacia |
| Max. water depth | 410 m (1345 ft) |
| Pipe characteristics | 3LPP coated pipe and CWC pipe |
BG Norge Knarr
Scope of work
- EPIC project
- Procurement of 107 km, 12.75-inch x 12.7/13.0 mm, 3LPP coated line pipe, ball valve, buckle arrestor, anodes, 5D induction bends and concrete mattresses for crossings
- Detail design
- Design and fabrication of a PLET
- Installation of 105.4 km, 12.75-inch pipeline with 7 pipeline / cable crossings
- Trenching (70.7 km), including OOS survey
- Pre-commissioning
- Rock dumping (approximately 35 km), plus additional rock dumping for upheaval buckling
Project specials
- Installation of pipeline sensitive to upheaval buckling
- Free flooding of pipeline during pipelay
Pipe characteristics
| Length (km/miles) | OD (inch) | WT (mm) | Steel grade |
|---|---|---|---|
| 104.4/65.9 | 12.75 | 12.7/13.0 | DNV 450 FSD |
