GRP Support Structures provide support for pipelines, subsea structures and equipment.
CSUB GRP products for supports are GRP Foundations/Sleepers, Buckling Mitigation Sleepers, Caternary Supports, Free Span Correction Foundations, Pipeline/Flexible Crossings and Landing area for Flexible Risers.
Support foundations are designed to distribute the weight of a heavy subsea structure in areas where seabed conditions are challenging.
The Support foundation can provide the functionalities such as
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GRP Foundations are used for buckling mitigation for pipelines to provide a low friction area in which the pipeline will be allowed to expand. The expansion in the pipeline due to temperature variations will then occur in area of the foundations and the risk of the pipeline buckling is removed.
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CSUB has supplied several catenary supporting structures in GRP.
A catenary support in GRP can provide the following benefits:
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The free span correction is designed to support pipelines in event of challenges with free span control of pipelines or spools.
CSUB has developed designs that can be installed after pipeline installation and after scouring has become a problem.
The stuctures can be designed as sleepers/supports that can pulled under the pipeline by a ROV or as a bridge/tower being installed over pipeline and then supported by bridge installed by an ROV.
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Crossing Structures can be designed for Flexible flowlines/Umbilicals or rigid pipelines. The crossing structures have the following benefits:
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The landing area supports are design as GRP foundations that can be modified to create the desired interface with the flexible riser.
The landing area supports can provide the following functionalities:
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