System for use in building and deployment of an elongate element (202) in a J-lay operation. The system includes an upright structure (206); a winching element (204) retractable along an axis within the upright structure (206); a coupling element (210) connected to the winching element (204), for coupling the winching element (204) to an elongate element (202); and a catcher element (212) configured to retain the coupling element (210) in alignment with a predetermined axis within the upright structure (206) during retraction or extension of the winching element (204).
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