McDermott to Perform Diving for Offshore Pipeline Projects
McDermott International will start performing air and saturation diving next month for pipeline construction projects offshore South Africa and Trinidad and Tobago, the company said.
The scope of work for the South African project includes removing and replacing a 24-inch subsea hose string connected to a single buoy mooring and pipeline-end manifold for Southern Africa’s largest crude oil refinery operated by SAPREF, located about 1.5 miles off the coast of Durban, South Africa. McDermott will use Amazon, a multi-purpose vessel, to perform the saturation and air diving campaign.
McDermott’s global diving team will also support the pipeline installation and pre-commissioning work for BP Trinidad & Tobago, LLC's (bpTT) Angelin gas field, located 25 miles off the east coast of Trinidad and Tobago. In June 2017, McDermott was awarded an engineering, procurement, construction, installation and commissioning (EPCIC) contract for the project.
McDermott will use Boskalis' diving support vessel, Da Vinci, to perform the following activities: free flooding the pipeline; barrier testing; metrology and 26-inch spool tie-in at the new platform and the Serette platform; pre-commissioning support for pigging, hydrotesting and dewatering of the pipeline and free span rectification. McDermott's DLV 2000 will be used to install the platform and pipeline, which is expected to be placed in service in the fourth quarter of 2018.
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