Basic and detailed engineering of a Substation platform (topside + jacket) according to EC3/DNVGL and following BSH requirements . This platform consists of an eight-legged topside, supported by a jacket with skirt steel piles.
Detailed design of a gravity base structure to support the OPENHYDRO “Standard Product” (SP) turbine for the Bay of Fundy (Canada) and Naru Strait (Japan):
Detailed design of the subsea base (SSB) : In-Place strength and stability analysis, fatigue analysis, load out analysis, transportation analysis, lifting/lowering analysis and seismic zone design
Design optimization to fulfil the installation requirement
In place analysis under extreme environmental conditions
Simplified Fatigue analysis
Transport and lifting analysis
Stability analysis of the jacket on the seabed before piling
Design optimization
Cathodic protection design
MTO
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
X site – Secondment on wind turbine foundation 2015 / Denmark
Scope of work
Monopile & Gravity base tender designs
Stability analysis for concrete gravity bases
Structural and modal analysis for steel monopile solution
3 environmental scenarios for each type of foundation
3 turbines per scenario
4 sites studied
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
X Site - GBS Dynamic analysis 2015 / France
Scope of work
Dynamic analysis on existing concept to make sure that the structure’s natural frequencies avoid harmonic frequencies of the wind turbine
2-D stick model and geotechnical parameters that take into account the cyclic deterioration of the soil.
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
X site – Met Mast 2015 / France
Scope of work
Monopile & Jacket tender designs
In place strength and displacement analysis under environmental conditions
Design optimization
Two-parts jacket analysis
Cathodic protection design
MTO
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
PAIMPOL BREHAT – Tidal turbines connection 2015 / France
Customers
Scope of work
Detail design of 3 articulated arms dedicated to the connection of the turbines on the converter and to the grid.
In place analysis under extreme environmental conditions
Local designs of articulations, supports, connections
Cathodic protection analysis
Optimization of the concept defined by DCNS
VIV Mitigation justification
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
SUBSEA HUB – Grouted connection 2015 / France
Customers
Scope of work
Development of local models with ABAQUS to estimate the SCFs factors in the connection
Evaluation of existing design (in-place, fatigue)
Design optimization
Detailed design of the proposed solution (in-place, fatigue)
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
NORTH SEA – Secondment on WT foundation 2015 / Netherlands
Scope of work
Monopiles tender design
Structural and modal analysis
Spectral fatigue analysis
3 environmental scenarios
2 iterations to refine the turbine loads and consequently the design (Preliminary and Basic design)
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
NOVA SCOTIA – Tidal turbine subsea base 2014-2015 / Canada
Customers
Scope of work
Detailed design of a gravity base structure to support the OPENHYDRO Pre-Series 2 turbine for the Bay of Fundy (Canada):
Preliminary comparative study between several subsea base concepts (concrete structure, steel structure with ballast material, hybrid structure) based on the main project key points (installation procedure, construction, material cost).
Detailed design of the selected subsea base : In-Place strength and stability analysis, fatigue analysis, transportation analysis, lifting/Lowering analysis, penetrator design and cathodic protection
Design optimization to fulfil the installation requirement
Construction drawings
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
PAIMPOL BREHAT – Tidal turbine subsea base 2014-2015 / France
Customers
Scope of work
Detailed design of a gravity base structure to support the OPENHYDRO Pre-Series 2 turbine for the Paimpol Brehat site (France):
Basic and detailed design of the selected subsea base : In-Place strength and stability analysis, fatigue analysis, transportation analysis, lifting/Lowering analysis, penetrator design and cathodic protection
Design optimization to fulfil the installation requirement
Construction drawings
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
FECAMP – GBS Wind turbine foundations 2014 / France
Customers
Scope of work
Partnership with COWI
Study of 3 GBS concepts according to installation methodology
Recommendation for the more competitive GBS solution with the corresponding installation procedure, construction methodology and quay layout in order to fulfil the overall project schedule
Quay reinforcement design
Cost analysis
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
FECAMP – Quay reinforcement for GBS construction 2014 / France
Customers
Scope of work
Quay reinforcement design
Design of the reinforced concrete structure support
Design of the piles
Design of the steel elements.
Cost analysis
Construction drawings
Project characteristics
Offshore structure
Onshore structure
Support/foundation
Topside
Onshore facility
Subsea
Harbour/jetty
T&I
Other
Steel structure
Concrete Structure
Composite structure
Feasibility / Conceptual
Basic engineering / FEED
Detail engineering
Tender design
Third Part / Expertise
Reassessment
SAINT NAZAIRE – Wind turbine foundation on-going/France