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.

Jaakko Lappi
Sales, cruise ships and offshore
Tel. +358 9 4788 4424
Mobile +358 40 0807 587
jaakko.lappi@deltamarin.com
Sales, cruise ships and offshore
Tel. +358 9 4788 4424
Mobile +358 40 0807 587
jaakko.lappi@deltamarin.com
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