PECM Issue 54 2022 | Page 57

FLUID HANDLING
Rotaflow Makes CALM Buoy SPM Swivel
Rotaflow was recently contracted by Rhizome Energy Ltd to produce a retrofit Single Point Mooring ( SPM ) swivel for an existing Catenary Anchor Leg Mooring ( CALM ) buoy .
The pipeline retrieves crude oil via the CALM buoy to FSO ( Floating Storage and Offloading ) mooring system . The project required the existing unit , housed within the buoy , to be replaced with a modified and newly designed smaller swivel in order to accommodate its new purpose . Rotaflow ’ s scope was to design , fabricate , manufacture , assemble and test the unit ready for despatch . With a tight schedule and welldefined project requirements the design was finalised with the minimum number of iterations . All meetings were virtual or by phone . The Factory Acceptance Test was the first time Rotaflow , Rhizome and ABS met face to face ( socially distanced – of course ).
Rotaflow ’ s setup means fast turnaround is possible – 8 weeks from PO to despatch …
The swivel , built and surveyed to ABS SPM rules was manufactured and tested within 8 weeks from receipt of the purchase order to despatch of the swivel . This fast turnaround is possible thanks to the experience of the Rotaflow design team and the close proximity between the design and engineering departments of the company .
www . rotaflow . com

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Issue 54 PECM 57