Customers: GVA Consultants
Owner: Odfjell Drilling
Shipyard: Daewoo Shipbuilding & Marine Engineering Co
Main dimensions:
| LOA | 116.6 m |
| Beam over all | 96.7 m |
| Beam outside pontoons | 78.1 m |
| Height, baseline to upper deck | 45.0 m |
| Length of pontoons | 108.8 m |
| Draught, operating | 23.0 m |
| Air gap operation / survival | 13.5 / 17.5 m |
| Capacities | Variable deck load capacity in excess of 7500 metric tonnes. |
| Dual derrick | 2,000,000 lbs |
| Accommodation | 158 persons (128 in North Sea area) |
| Electric power system with 8 x diesel generators | 5,760 kW each. |
| Propulsion power with 8 x thrusters | 3800 kW each |
| Regulatory requirements | NMD, UK HSE, NORSOK Technical Safety and Working Environment, IMO DP class 3 |
Commission:
Subcontracted personnel to GVA-C participated in the following scope of work under GVA-C management for the GVA7500 semi-submersible drilling unit:
- Basic engineering arrangements, calculations, system PIDs, conceptual routings and preliminary weight estimations for machinery, ventilation and HVAC
- El. Equipment arrangements, load analysis, functional descriptions, block diagrams and single line diagrams for electric and instrumentation.
Esa Jokioinen
Sales, offshore
Tel. +358 2 4336 344
Mobile +358 40 834 8112
esa.jokioinen@deltamarin.com
Sales, offshore
Tel. +358 2 4336 344
Mobile +358 40 834 8112
esa.jokioinen@deltamarin.com
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