UMBILICALS AND DISTRIBUTION

The primary objective of the subsea umbilical system is to assure that all components and subsystems of the​ entire subsea system come together to form a coherent, functional system that meets the project needs: Topside and subsea interfaces will be defined, Field layout drawings will be developed, including umbilical lengths and routes, Slopes will be reviewed along the selected routes and on-bottom stability assessed by the Flowline engineer, based on DNVGL-RP-F109, Ancillary equipment for the umbilical system will be confirmed with the Umbilical supplier: • Bend restrictors • Terminations • Centralizers • Hang-off flanges.

Flying leads length will be defined based on drill center architecture requirements.​ Once the functional component sizes of the umbilical have been confirmed, a full umbilical cross-sectional design​ review will be performed to address manufacturing capabilities for the proposed designs.​ This will include not only the manufacture of the umbilicals but also address the implications for storage and​ load out from a manufacturing facility and handling/deployment onboard an installation vessel.​ The method for pull-in and hook-up of the topside terminations onto the host facility will be carefully addressed.​ An important interface to establish is the size and configuration requirement for the pull tubes that will support​ and guide the umbilical termination topside.​