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Content archived on 2022-12-27

COMMERCIAL ALTERNATIVE TO CONSTRUCT SUB-SEA FOUNDATIONS AND STRUCTURES TO BE INTERFACED AND IMPLEMENTED BY ROVS

Objective

To develop the design and construct capability for subsea foundations which can be installed and maintained by ROV, the final phase of the project involves the full scale fabrication of a prototype foundation in deepwater using only ROV technology.
A report including details on sealings suitable for underwater use providing information on techniques and results on field Trials to test the sealing systems (inflacable, compression and grouted fabric seals, injected polymer seals, bonding systems, rubber and foam rubber strip extrusion) have been prepared. A concept concerning a submarine cable protection system and level controlling supports, all in fibre composite, has been designed to incorporate advanced composite technology for construction by diverless systems in deepwater. Tests for handling substantial structures (40 T in air) have been carried out using buoyance bags and proved to be extremely effective.
The project is planned in three phases :
2.1 Phase 1 involved a detailed market research study on the submarine pipeline market in the UK and Norway.
Mini pipeline supports and structures were developed and tested in a suitable offshore location.
2.2 Phase 2 will cover the demonstration of suitable prototype foundations developed in phase 1 by installing them in a suitable offshore location.
From the experience gained in offshore testing the foundations will be refined and further developed to cover a wide range of applications and also to accommodate differing seabed conditions.
2.3 Phase 3 will involve the design and installation of a full scale foundation to be installed at a suitable offshore location to be agreed between the companies involved with the project.
Approval from the appropriate certifying authorities will be obtained through directly involving them with all aspects of the design and development to ensure final concepts comply with relevant standards.
Commercialisation of the technology is planned to commence 1990.

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Programme(s)

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Topic(s)

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Call for proposal

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Funding Scheme

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DEM - Demonstration contracts

Coordinator

ADCO INTERNATIONAL LTD
EU contribution
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Address
6 BOOTH PLACE
FR1 1BA FALKRIK
United Kingdom

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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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