SSCV Thialf
SSCV Thialf in a Norwegian fjord
|
|
| History | |
|---|---|
| Name: | SSCV Thialf |
| Namesake: | Thialfi (Norse servant of Thor) |
| Operator: | Heerema Marine Contractors |
| Builder: | Mitsui Engineering & Shipbuilding |
| Identification: |
|
| Status: | In service |
| General characteristics | |
| Class and type: | Semi-submersible crane vessel |
| Tonnage: | |
| Displacement: | 198,750 t max |
| Length: | 201.6 m (661 ft) |
| Beam: | 88.4 m (290 ft) |
| Height: | 144.0 m (472.4 ft) crane |
| Draft: | 31.6 m (104 ft) max |
| Depth: | 49.5 m (162 ft) |
| Propulsion: | 6 × 5,500 kW retractable azimuthing thrusters |
| Complement: | 736 berths |
SSCV Thialf is a semi-submersible crane vessel operated by Heerema Marine Contractors, and it is the largest crane vessel in the world.
The ship was constructed in 1985 as DB-102 for McDermott International by Mitsui Engineering & Shipbuilding Co., Ltd. In 1997, it was taken over by Heerema Marine Contractors after discontinuation of their joint venture with McDermott, HeereMac, and renamed Thialf.
Thialf has two cranes with a combined maximum lifting capacity of 14,200 metric tons, making it the largest crane vessel in the world. but has lower height lifting capabilities than its competitor Saipem 7000 (which has lifting capability of 14,000 tonnes at 42 meters while the Thialf can lift 14,200 tonnes at 31.2 meters).
It is equipped with a class III dynamic positioning system. Propulsion and position keeping is by six 5,500 kW retractable azimuthing thrusters. For shallow waters there are 12 Flipper Delta anchors, 22.5 t, with 2,500 meter, 80 mm mooring wire.
The hull consists of two pontoons with four columns each. Transit draught is about 12 metres. For lifting operations it will normally be ballasted down to 26.6 m (87 ft). This way the pontoons (with a draught of 13.6 metres) are well submerged to reduce the effect of waves and swell.
It is able to accommodate 736 people.
Lightship weight is 72,484 t
...
Wikipedia