Customers: GVA Consultants AB
Owner: SeaDrill Ltd
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 |
| Max. drilling draught | 25.0 m |
| Draught, transit | 9.9 m |
| Capacities | Payload in operational condition approx. 7.000 – 7.800 tonnes. |
| Accommodation | 120 persons (outside North Sea area up to 158 persons) |
| Electric power system with 8 x diesel generators | 4860 kW each |
| Propulsion power with 8 x thrusters | 3500 kW each |
| Classification | DNV Offshore Rules, NMD, UK HSE, IMO, NORSOK |
Commission:
Under GVA-C’s Management Deltamarin participated in the following design commissions for the GVA7500 semi-submersible drilling unit:
- Basic system 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
- Accommodation lay-outs, insulation plans, floor coverings and safety plan.
- Scope 16,800 hours
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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